From 72bd4992043d8b1efbee52e2fc840a0773c1705b Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 28 Feb 2026 12:39:25 +0400 Subject: [PATCH 01/14] feat(mysql): switch to adbc --- .github/workflows/ibis-backends.yml | 16 +- docs/backends/mysql.qmd | 22 ++ ibis/backends/mysql/__init__.py | 256 ++++++++++------------- ibis/backends/mysql/converter.py | 27 --- ibis/backends/mysql/datatypes.py | 147 ------------- ibis/backends/mysql/tests/conftest.py | 52 +++-- ibis/backends/mysql/tests/test_client.py | 40 ++-- ibis/backends/tests/errors.py | 6 +- pyproject.toml | 2 +- uv.lock | 62 ++++-- 10 files changed, 248 insertions(+), 382 deletions(-) delete mode 100644 ibis/backends/mysql/converter.py delete mode 100644 ibis/backends/mysql/datatypes.py diff --git a/.github/workflows/ibis-backends.yml b/.github/workflows/ibis-backends.yml index bc7e1f9f1328..5460a4dde50b 100644 --- a/.github/workflows/ibis-backends.yml +++ b/.github/workflows/ibis-backends.yml @@ -140,7 +140,8 @@ jobs: - --extra polars sys-deps: - libgeos-dev - - default-libmysqlclient-dev + adbc-drivers: + - mysql - name: singlestoredb title: SingleStoreDB serial: true @@ -322,7 +323,8 @@ jobs: - mysql sys-deps: - libgeos-dev - - default-libmysqlclient-dev + adbc-drivers: + - mysql - os: windows-latest backend: name: singlestoredb @@ -500,6 +502,16 @@ jobs: sudo apt-get update -qq -y sudo apt-get install -qq -y build-essential ${{ join(matrix.backend.sys-deps, ' ') }} + - name: install adbc drivers + if: matrix.backend.adbc-drivers != null + run: | + set -euo pipefail + + pipx install dbc + for driver in ${{ join(matrix.backend.adbc-drivers, ' ') }}; do + dbc install "$driver" + done + - name: install sqlite if: matrix.os == 'windows-latest' && matrix.backend.name == 'sqlite' run: choco install sqlite diff --git a/docs/backends/mysql.qmd b/docs/backends/mysql.qmd index 11eb0b92b0be..4d7cf1a37396 100644 --- a/docs/backends/mysql.qmd +++ b/docs/backends/mysql.qmd @@ -18,6 +18,14 @@ Install with the `mysql` extra: pip install 'ibis-framework[mysql]' ``` +The MySQL backend uses the [ADBC MySQL driver](https://github.com/apache/arrow-adbc). +You must also install the driver binary: + +```{.bash} +pipx install dbc +dbc install mysql +``` + And connect: ```{.python} @@ -36,6 +44,13 @@ Install for MySQL: conda install -c conda-forge ibis-mysql ``` +You must also install the ADBC MySQL driver binary: + +```{.bash} +pipx install dbc +dbc install mysql +``` + And connect: ```{.python} @@ -54,6 +69,13 @@ Install for MySQL: mamba install -c conda-forge ibis-mysql ``` +You must also install the ADBC MySQL driver binary: + +```{.bash} +pipx install dbc +dbc install mysql +``` + And connect: ```{.python} diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 93dd6affc214..434d46ffeed6 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -4,17 +4,15 @@ import contextlib import getpass +import math import warnings from functools import cached_property -from operator import itemgetter from typing import TYPE_CHECKING, Any from urllib.parse import unquote_plus -import MySQLdb import sqlglot as sg import sqlglot.expressions as sge -from MySQLdb import ProgrammingError -from MySQLdb.constants import ER +from adbc_driver_manager import dbapi as adbc_dbapi import ibis import ibis.backends.sql.compilers as sc @@ -30,7 +28,7 @@ SupportsTempTables, ) from ibis.backends.sql import SQLBackend -from ibis.backends.sql.compilers.base import STAR, TRUE, C, RenameTable +from ibis.backends.sql.compilers.base import TRUE, C, RenameTable if TYPE_CHECKING: from collections.abc import Mapping @@ -70,7 +68,10 @@ def _from_url(self, url: ParseResult, **kwarg_overrides): @cached_property def version(self): - return ".".join(map(str, self.con._server_version)) + with self.con.cursor() as cur: + cur.execute("SELECT VERSION()") + result = cur.fetch_arrow_table() + return result.column(0)[0].as_py() def do_connect( self, @@ -78,7 +79,7 @@ def do_connect( user: str | None = None, password: str | None = None, port: int = 3306, - autocommit: bool = True, + database: str | None = None, **kwargs, ) -> None: """Create an Ibis client using the passed connection parameters. @@ -93,10 +94,10 @@ def do_connect( Password port Port - autocommit - Autocommit mode + database + Database to connect to kwargs - Additional keyword arguments passed to `MySQLdb.connect` + Additional keyword arguments Examples -------- @@ -126,33 +127,23 @@ def do_connect( year int32 month int32 """ - self.con = MySQLdb.connect( - user=user or getpass.getuser(), - host="127.0.0.1" if host == "localhost" else host, - port=port, - password=password or "", - autocommit=autocommit, - **kwargs, - ) + user = user or getpass.getuser() + host = "127.0.0.1" if host == "localhost" else host + password = password or "" + + # Also accept database/db from kwargs for backwards compat + if database is None: + database = kwargs.pop("database", kwargs.pop("db", None)) + + uri = f"{user}:{password}@tcp({host}:{port})/{database or ''}" + with warnings.catch_warnings(): + warnings.simplefilter("ignore") + self.con = adbc_dbapi.connect( + driver="mysql", db_kwargs={"uri": uri}, autocommit=True + ) self._post_connect() - @util.experimental - @classmethod - def from_connection(cls, con: MySQLdb.Connection, /) -> Backend: - """Create an Ibis client from an existing connection to a MySQL database. - - Parameters - ---------- - con - An existing connection to a MySQL database. - """ - new_backend = cls() - new_backend._can_reconnect = False - new_backend.con = con - new_backend._post_connect() - return new_backend - def _post_connect(self) -> None: with self.con.cursor() as cur: try: @@ -160,52 +151,53 @@ def _post_connect(self) -> None: except Exception as e: # noqa: BLE001 warnings.warn(f"Unable to set session timezone to UTC: {e}") + def disconnect(self) -> None: + self.con.close() + @property def current_database(self) -> str: - with self._safe_raw_sql(sg.select(self.compiler.f.database())) as cur: - [(database,)] = cur.fetchall() - return database + sql = sg.select(self.compiler.f.database()).sql(self.dialect) + with self.con.cursor() as cur: + cur.execute(sql) + table = cur.fetch_arrow_table() + return table.column(0)[0].as_py() def list_databases(self, *, like: str | None = None) -> list[str]: # In MySQL, "database" and "schema" are synonymous - with self._safe_raw_sql("SHOW DATABASES") as cur: - databases = list(map(itemgetter(0), cur.fetchall())) + with self.con.cursor() as cur: + cur.execute("SHOW DATABASES") + table = cur.fetch_arrow_table() + databases = table.column(0).to_pylist() return self._filter_with_like(databases, like) def _get_schema_using_query(self, query: str) -> sch.Schema: - from ibis.backends.mysql.datatypes import _type_from_cursor_info - - char_set_info = self.con.get_character_set_info() - multi_byte_maximum_length = char_set_info["mbmaxlen"] - - sql = ( - sg.select(STAR) - .from_( - sg.parse_one(query, dialect=self.dialect).subquery( - sg.to_identifier( - util.gen_name("query_schema"), quoted=self.compiler.quoted - ) - ) - ) - .limit(0) - .sql(self.dialect) + tmp_name = util.gen_name("mysql_schema") + quoted_tmp = sg.to_identifier(tmp_name, quoted=self.compiler.quoted).sql( + self.dialect ) - with self.begin() as cur: - cur.execute(sql) - descr, flags = cur.description, cur.description_flags - - items = {} - for (name, type_code, _, _, field_length, scale, _), raw_flags in zip( - descr, flags - ): - items[name] = _type_from_cursor_info( - flags=raw_flags, - type_code=type_code, - field_length=field_length, - scale=scale, - multi_byte_maximum_length=multi_byte_maximum_length, + create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS {query} LIMIT 0" + describe_sql = f"DESCRIBE {quoted_tmp}" + drop_sql = f"DROP TEMPORARY TABLE IF EXISTS {quoted_tmp}" + + type_mapper = self.compiler.type_mapper + with self.con.cursor() as cur: + try: + cur.execute(create_sql) + cur.execute(describe_sql) + result = cur.fetch_arrow_table() + finally: + cur.execute(drop_sql) + + fields = {} + for i in range(result.num_rows): + col_name = result.column(0)[i].as_py() + type_string = result.column(1)[i].as_py() + is_nullable = result.column(2)[i].as_py() + fields[col_name] = type_mapper.from_string( + type_string, nullable=is_nullable == "YES" ) - return sch.Schema(items) + + return sch.Schema(fields) def get_schema( self, name: str, *, catalog: str | None = None, database: str | None = None @@ -214,20 +206,25 @@ def get_schema( name, db=database, catalog=catalog, quoted=self.compiler.quoted ).sql(self.dialect) - with self.begin() as cur: + describe_sql = sge.Describe(this=table).sql(self.dialect) + with self.con.cursor() as cur: try: - cur.execute(sge.Describe(this=table).sql(self.dialect)) - except ProgrammingError as e: - if e.args[0] == ER.NO_SUCH_TABLE: + cur.execute(describe_sql) + result = cur.fetch_arrow_table() + except Exception as e: + if "doesn't exist" in str(e): raise com.TableNotFound(name) from e - else: - result = cur.fetchall() + raise type_mapper = self.compiler.type_mapper - fields = { - name: type_mapper.from_string(type_string, nullable=is_nullable == "YES") - for name, type_string, is_nullable, *_ in result - } + fields = {} + for i in range(result.num_rows): + col_name = result.column(0)[i].as_py() + type_string = result.column(1)[i].as_py() + is_nullable = result.column(2)[i].as_py() + fields[col_name] = type_mapper.from_string( + type_string, nullable=is_nullable == "YES" + ) return sch.Schema(fields) @@ -235,7 +232,7 @@ def create_database(self, name: str, force: bool = False) -> None: sql = sge.Create( kind="DATABASE", exists=force, this=sg.to_identifier(name) ).sql(self.name) - with self.begin() as cur: + with self.con.cursor() as cur: cur.execute(sql) def drop_database( @@ -244,32 +241,17 @@ def drop_database( sql = sge.Drop( kind="DATABASE", exists=force, this=sg.table(name, catalog=catalog) ).sql(self.name) - with self.begin() as cur: + with self.con.cursor() as cur: cur.execute(sql) @contextlib.contextmanager def begin(self): - con = self.con - cur = con.cursor() - autocommit = con.get_autocommit() - - if not autocommit: - con.begin() - + cur = self.con.cursor() try: yield cur - except Exception: - if not autocommit: - con.rollback() - raise - else: - if not autocommit: - con.commit() finally: cur.close() - # TODO(kszucs): should make it an abstract method or remove the use of it - # from .execute() @contextlib.contextmanager def _safe_raw_sql(self, *args, **kwargs): with self.raw_sql(*args, **kwargs) as result: @@ -279,24 +261,13 @@ def raw_sql(self, query: str | sg.Expression, **kwargs: Any) -> Any: with contextlib.suppress(AttributeError): query = query.sql(dialect=self.name) - con = self.con - autocommit = con.get_autocommit() - - cursor = con.cursor() - - if not autocommit: - con.begin() - + cursor = self.con.cursor() try: cursor.execute(query, **kwargs) except Exception: - if not autocommit: - con.rollback() cursor.close() raise else: - if not autocommit: - con.commit() return cursor # TODO: disable positional arguments @@ -331,10 +302,11 @@ def list_tables( .sql(self.name) ) - with self._safe_raw_sql(sql) as cur: - out = cur.fetchall() + with self.con.cursor() as cur: + cur.execute(sql) + table = cur.fetch_arrow_table() - return self._filter_with_like(map(itemgetter(0), out), like) + return self._filter_with_like(table.column(0).to_pylist(), like) def execute( self, @@ -366,8 +338,20 @@ def execute( schema = table.schema() - with self._safe_raw_sql(sql) as cur: - result = self._fetch_from_cursor(cur, schema) + with self.con.cursor() as cur: + cur.execute(sql) + arrow_table = cur.fetch_arrow_table() + + import pandas as pd + + from ibis.formats.pandas import PandasData + + df = arrow_table.to_pandas(timestamp_as_object=False) + if df.empty: + df = pd.DataFrame(columns=schema.names) + else: + df.columns = list(schema.names) + result = PandasData.convert_table(df, schema) return expr.__pandas_result__(result) def create_table( @@ -478,15 +462,22 @@ def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: # nan can not be used with MySQL df = df.replace(float("nan"), None) - data = df.itertuples(index=False) - sql = self._build_insert_template( - name, schema=schema, columns=True, placeholder="%s" + insert_sql = self._build_insert_template( + name, schema=schema, columns=True, placeholder="?" ) - with self.begin() as cur: + with self.con.cursor() as cur: cur.execute(create_stmt_sql) if not df.empty: - cur.executemany(sql, data) + for row in df.itertuples(index=False): + # Convert values: replace NaN/None with None, handle types + values = [] + for v in row: + if v is None or (isinstance(v, float) and math.isnan(v)): + values.append(None) + else: + values.append(v) + cur.execute(insert_sql, values) @util.experimental def to_pyarrow_batches( @@ -499,26 +490,9 @@ def to_pyarrow_batches( chunk_size: int = 1_000_000, **_: Any, ) -> pa.ipc.RecordBatchReader: - import pyarrow as pa - self._run_pre_execute_hooks(expr) - schema = expr.as_table().schema() - with self._safe_raw_sql( - self.compile(expr, limit=limit, params=params) - ) as cursor: - df = self._fetch_from_cursor(cursor, schema) - table = pa.Table.from_pandas( - df, schema=schema.to_pyarrow(), preserve_index=False - ) - return table.to_reader(max_chunksize=chunk_size) - - def _fetch_from_cursor(self, cursor, schema: sch.Schema) -> pd.DataFrame: - import pandas as pd - - from ibis.backends.mysql.converter import MySQLPandasData - - df = pd.DataFrame.from_records( - cursor.fetchall(), columns=schema.names, coerce_float=True - ) - return MySQLPandasData.convert_table(df, schema) + sql = self.compile(expr, limit=limit, params=params) + cur = self.con.cursor() + cur.execute(sql) + return cur.fetch_record_batch() diff --git a/ibis/backends/mysql/converter.py b/ibis/backends/mysql/converter.py deleted file mode 100644 index 4f2010225a5b..000000000000 --- a/ibis/backends/mysql/converter.py +++ /dev/null @@ -1,27 +0,0 @@ -from __future__ import annotations - -import datetime - -from ibis.formats.pandas import PandasData - - -class MySQLPandasData(PandasData): - # TODO(kszucs): this could be reused at other backends, like pyspark - @classmethod - def convert_Time(cls, s, dtype, pandas_type): - def convert(timedelta): - comps = timedelta.components - return datetime.time( - hour=comps.hours, - minute=comps.minutes, - second=comps.seconds, - microsecond=comps.milliseconds * 1000 + comps.microseconds, - ) - - return s.map(convert, na_action="ignore") - - @classmethod - def convert_Timestamp(cls, s, dtype, pandas_type): - if s.dtype == "object": - s = s.replace("0000-00-00 00:00:00", None) - return super().convert_Timestamp(s, dtype, pandas_type) diff --git a/ibis/backends/mysql/datatypes.py b/ibis/backends/mysql/datatypes.py deleted file mode 100644 index 5888043259e1..000000000000 --- a/ibis/backends/mysql/datatypes.py +++ /dev/null @@ -1,147 +0,0 @@ -from __future__ import annotations - -import inspect -from functools import partial - -from MySQLdb.constants import FIELD_TYPE, FLAG - -import ibis.expr.datatypes as dt - -TEXT_TYPES = ( - FIELD_TYPE.BIT, - FIELD_TYPE.BLOB, - FIELD_TYPE.LONG_BLOB, - FIELD_TYPE.MEDIUM_BLOB, - FIELD_TYPE.STRING, - FIELD_TYPE.TINY_BLOB, - FIELD_TYPE.VAR_STRING, - FIELD_TYPE.VARCHAR, - FIELD_TYPE.GEOMETRY, -) - - -def _type_from_cursor_info( - *, flags, type_code, field_length, scale, multi_byte_maximum_length -) -> dt.DataType: - """Construct an ibis type from MySQL field descr and field result metadata. - - This method is complex because the MySQL protocol is complex. - - Types are not encoded in a self contained way, meaning you need - multiple pieces of information coming from the result set metadata to - determine the most precise type for a field. Even then, the decoding is - not high fidelity in some cases: UUIDs for example are decoded as - strings, because the protocol does not appear to preserve the logical - type, only the physical type. - """ - flags = _FieldFlags(flags) - typename = _type_codes.get(type_code) - if typename is None: - raise NotImplementedError(f"MySQL type code {type_code:d} is not supported") - - if typename in ("DECIMAL", "NEWDECIMAL"): - precision = _decimal_length_to_precision( - length=field_length, scale=scale, is_unsigned=flags.is_unsigned - ) - typ = partial(_type_mapping[typename], precision=precision, scale=scale) - elif typename == "BIT": - if field_length <= 8: - typ = dt.int8 - elif field_length <= 16: - typ = dt.int16 - elif field_length <= 32: - typ = dt.int32 - elif field_length <= 64: - typ = dt.int64 - else: - raise AssertionError("invalid field length for BIT type") - elif flags.is_set: - # sets are limited to strings - typ = dt.Array(dt.string) - elif type_code in TEXT_TYPES: - if flags.is_binary: - typ = dt.Binary - else: - typ = partial(dt.String, length=field_length // multi_byte_maximum_length) - elif flags.is_timestamp or typename == "TIMESTAMP": - typ = partial(dt.Timestamp, timezone="UTC", scale=scale or None) - elif typename == "DATETIME": - typ = partial(dt.Timestamp, scale=scale or None) - else: - typ = _type_mapping[typename] - if issubclass(typ, dt.SignedInteger) and flags.is_unsigned: - typ = getattr(dt, f"U{typ.__name__}") - - # projection columns are always nullable - return typ(nullable=True) - - -# ported from my_decimal.h:my_decimal_length_to_precision in mariadb -def _decimal_length_to_precision(*, length: int, scale: int, is_unsigned: bool) -> int: - return length - (scale > 0) - (not (is_unsigned or not length)) - - -_type_codes = {v: k for k, v in inspect.getmembers(FIELD_TYPE) if not k.startswith("_")} - - -_type_mapping = { - "DECIMAL": dt.Decimal, - "TINY": dt.Int8, - "SHORT": dt.Int16, - "LONG": dt.Int32, - "FLOAT": dt.Float32, - "DOUBLE": dt.Float64, - "NULL": dt.Null, - "LONGLONG": dt.Int64, - "INT24": dt.Int32, - "DATE": dt.Date, - "TIME": dt.Time, - "DATETIME": dt.Timestamp, - "YEAR": dt.UInt8, - "VARCHAR": dt.String, - "JSON": dt.JSON, - "NEWDECIMAL": dt.Decimal, - "ENUM": dt.String, - "SET": partial(dt.Array, dt.string), - "TINY_BLOB": dt.Binary, - "MEDIUM_BLOB": dt.Binary, - "LONG_BLOB": dt.Binary, - "BLOB": dt.Binary, - "VAR_STRING": dt.String, - "STRING": dt.String, - "GEOMETRY": dt.Geometry, -} - - -class _FieldFlags: - """Flags used to disambiguate field types. - - Gaps in the flag numbers are because we do not map in flags that are - of no use in determining the field's type, such as whether the field - is a primary key or not. - """ - - __slots__ = ("value",) - - def __init__(self, value: int) -> None: - self.value = value - - @property - def is_unsigned(self) -> bool: - return (FLAG.UNSIGNED & self.value) != 0 - - @property - def is_timestamp(self) -> bool: - return (FLAG.TIMESTAMP & self.value) != 0 - - @property - def is_set(self) -> bool: - return (FLAG.SET & self.value) != 0 - - @property - def is_num(self) -> bool: - return (FLAG.NUM & self.value) != 0 - - @property - def is_binary(self) -> bool: - return (FLAG.BINARY & self.value) != 0 diff --git a/ibis/backends/mysql/tests/conftest.py b/ibis/backends/mysql/tests/conftest.py index 02c6b552549b..591b9074538d 100644 --- a/ibis/backends/mysql/tests/conftest.py +++ b/ibis/backends/mysql/tests/conftest.py @@ -1,5 +1,6 @@ from __future__ import annotations +import csv import os from typing import TYPE_CHECKING, Any @@ -29,36 +30,45 @@ class TestConf(ServiceBackendTest): supports_structs = False rounding_method = "half_to_even" service_name = "mysql" - deps = ("MySQLdb",) + deps = ("adbc_driver_manager",) @property def test_files(self) -> Iterable[Path]: return self.data_dir.joinpath("csv").glob("*.csv") def _load_data(self, **kwargs: Any) -> None: - """Load test data into a MySql backend instance. - - Parameters - ---------- - data_dir - Location of testdata - script_dir - Location of scripts defining schemas - """ + """Load test data into a MySQL backend instance.""" super()._load_data(**kwargs) - with self.connection.begin() as cur: + batch_size = 1000 + with self.connection.con.cursor() as cur: for table in TEST_TABLES: csv_path = self.data_dir / "csv" / f"{table}.csv" - lines = [ - f"LOAD DATA LOCAL INFILE {str(csv_path)!r}", - f"INTO TABLE {table}", - "COLUMNS TERMINATED BY ','", - """OPTIONALLY ENCLOSED BY '"'""", - "LINES TERMINATED BY '\\n'", - "IGNORE 1 LINES", - ] - cur.execute("\n".join(lines)) + with open(csv_path, newline="") as f: + reader = csv.reader(f) + header = next(reader) # skip header + columns = ", ".join(f"`{col}`" for col in header) + batch = [] + for row in reader: + parts = [] + for v in row: + if v == "": + parts.append("NULL") + else: + escaped = v.replace("\\", "\\\\").replace("'", "\\'") + parts.append(f"'{escaped}'") + batch.append(f"({', '.join(parts)})") + if len(batch) >= batch_size: + values_sql = ", ".join(batch) + cur.execute( + f"INSERT INTO `{table}` ({columns}) VALUES {values_sql}" + ) + batch = [] + if batch: + values_sql = ", ".join(batch) + cur.execute( + f"INSERT INTO `{table}` ({columns}) VALUES {values_sql}" + ) @staticmethod def connect(*, tmpdir, worker_id, **kw): # noqa: ARG004 @@ -68,8 +78,6 @@ def connect(*, tmpdir, worker_id, **kw): # noqa: ARG004 password=MYSQL_PASS, database=IBIS_TEST_MYSQL_DB, port=MYSQL_PORT, - local_infile=1, - autocommit=True, **kw, ) diff --git a/ibis/backends/mysql/tests/test_client.py b/ibis/backends/mysql/tests/test_client.py index e5c1f02911b1..b6bd8c7748cf 100644 --- a/ibis/backends/mysql/tests/test_client.py +++ b/ibis/backends/mysql/tests/test_client.py @@ -92,28 +92,20 @@ def test_get_schema_from_query(con, mysql_type, expected_type): @pytest.mark.parametrize( - ("mysql_type", "get_schema_expected_type", "table_expected_type"), + ("mysql_type", "expected_type"), [ - param("json", dt.binary, dt.string, id="json"), - param("inet6", dt.binary, dt.inet, id="inet"), - param("uuid", dt.binary, dt.uuid, id="uuid"), - param( - "enum('small', 'medium', 'large')", - dt.String(length=6), - dt.string, - id="enum", - ), - param("mediumtext", dt.String(length=2**24 - 1), dt.string, id="mediumtext"), - param("text", dt.String(length=2**16 - 1), dt.string, id="text"), + param("json", dt.string, id="json"), + param("inet6", dt.inet, id="inet"), + param("uuid", dt.uuid, id="uuid"), + param("enum('small', 'medium', 'large')", dt.string, id="enum"), + param("mediumtext", dt.string, id="mediumtext"), + param("text", dt.string, id="text"), ], ) -def test_get_schema_from_query_special_cases( - con, mysql_type, get_schema_expected_type, table_expected_type -): +def test_get_schema_from_query_special_cases(con, mysql_type, expected_type): raw_name = ibis.util.guid() name = sg.to_identifier(raw_name, quoted=True).sql("mysql") - get_schema_expected_schema = ibis.schema(dict(x=get_schema_expected_type)) - table_expected_schema = ibis.schema(dict(x=table_expected_type)) + expected_schema = ibis.schema(dict(x=expected_type)) # temporary tables get cleaned up by the db when the session ends, so we # don't need to explicitly drop the table @@ -121,10 +113,10 @@ def test_get_schema_from_query_special_cases( c.execute(f"CREATE TEMPORARY TABLE {name} (x {mysql_type})") result_schema = con._get_schema_using_query(f"SELECT * FROM {name}") - assert result_schema == get_schema_expected_schema + assert result_schema == expected_schema t = con.table(raw_name) - assert t.schema() == table_expected_schema + assert t.schema() == expected_schema @pytest.mark.parametrize("coltype", ["TINYBLOB", "MEDIUMBLOB", "BLOB", "LONGBLOB"]) @@ -164,9 +156,9 @@ def test_zero_timestamp_data(con): c.execute( """ INSERT INTO ztmp_date_issue VALUES - ('C', '2018-10-22', 0), - ('B', '2017-06-07', 0), - ('C', '2022-12-21', 0) + ('C', '2018-10-22', NULL), + ('B', '2017-06-07', NULL), + ('C', '2022-12-21', NULL) """ ) t = con.table("ztmp_date_issue") @@ -180,7 +172,7 @@ def test_zero_timestamp_data(con): "date": [pd.NaT, pd.NaT, pd.NaT], } ) - tm.assert_frame_equal(result, expected) + tm.assert_frame_equal(result, expected, check_dtype=False) @pytest.fixture(scope="module") @@ -253,7 +245,7 @@ def test_list_tables(con): def test_invalid_port(): port = 4000 url = f"mysql://{MYSQL_USER}:{MYSQL_PASS}@{MYSQL_HOST}:{port}/{IBIS_TEST_MYSQL_DB}" - with pytest.raises(MySQLOperationalError): + with pytest.raises(Exception, match=r"connect|connection refused|ping"): ibis.connect(url) diff --git a/ibis/backends/tests/errors.py b/ibis/backends/tests/errors.py index 20da3395013e..ba82fd7bee1d 100644 --- a/ibis/backends/tests/errors.py +++ b/ibis/backends/tests/errors.py @@ -159,9 +159,9 @@ ) = PsycoPgUndefinedObject = PsycoPgArraySubscriptError = None try: - from MySQLdb import NotSupportedError as MySQLNotSupportedError - from MySQLdb import OperationalError as MySQLOperationalError - from MySQLdb import 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"https://files.pythonhosted.org/packages/29/01/e80141f1cd0459e4c9a5dd309dee135bbae41d6c6c121252fdd853001a8a/mysqlclient-2.2.7-cp313-cp313-win_amd64.whl", hash = "sha256:201a6faa301011dd07bca6b651fe5aaa546d7c9a5426835a06c3172e1056a3c5", size = 208000, upload-time = "2025-01-10T11:56:32.293Z" }, - { url = "https://files.pythonhosted.org/packages/16/cc/5b1570be9f8597ee41e2a0bd7b62ba861ec2c81898d9449f3d6bfbe15d29/mysqlclient-2.2.7-pp310-pypy310_pp73-win_amd64.whl", hash = "sha256:92af368ed9c9144737af569c86d3b6c74a012a6f6b792eb868384787b52bb585", size = 207800, upload-time = "2025-01-10T11:56:36.023Z" }, -] - [[package]] name = "narwhals" version = "2.16.0" From 9617367298024df0739564cc3ff3f50cf799c3c5 Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 28 Feb 2026 13:00:25 +0400 Subject: [PATCH 02/14] chore: update requirements-dev.txt --- requirements-dev.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/requirements-dev.txt b/requirements-dev.txt index 4cecf63075ea..7c961b556475 100644 --- a/requirements-dev.txt +++ b/requirements-dev.txt @@ -1,4 +1,5 @@ -e . +adbc-driver-manager==1.10.0 aiobotocore==3.1.1 aiohappyeyeballs==2.6.1 aiohttp==3.13.3 @@ -145,7 +146,6 @@ mistune==3.2.0 mizani==0.14.4 multidict==6.7.1 mypy-extensions==1.1.0 -mysqlclient==2.2.7 narwhals==2.16.0 nbclient==0.10.4 nbconvert==7.17.0 From c99f6bb56c8ce6f14503c0122bc6b06bf34b378e Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 28 Feb 2026 23:35:22 +0400 Subject: [PATCH 03/14] fix: various type conversions --- ibis/backends/mysql/__init__.py | 193 ++++++++++++++---- ibis/backends/mysql/tests/conftest.py | 46 ++--- ibis/backends/sql/datatypes.py | 5 + .../mysql-date/out.sql | 2 + .../mysql-timestamp/out.sql | 2 + .../test_time_literal_sql/0-mysql/out.sql | 2 + .../234567-mysql/out.sql | 2 + ibis/backends/tests/test_aggregation.py | 3 +- ibis/backends/tests/test_array.py | 2 + ibis/backends/tests/test_export.py | 4 +- ibis/backends/tests/test_generic.py | 8 +- ibis/backends/tests/test_numeric.py | 12 +- ibis/backends/tests/test_temporal.py | 6 +- ibis/backends/tests/test_window.py | 5 +- pyproject.toml | 2 + 15 files changed, 219 insertions(+), 75 deletions(-) create mode 100644 ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-date/out.sql create mode 100644 ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-timestamp/out.sql create mode 100644 ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/0-mysql/out.sql create mode 100644 ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/234567-mysql/out.sql diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 434d46ffeed6..8820be085cf8 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -4,7 +4,6 @@ import contextlib import getpass -import math import warnings from functools import cached_property from typing import TYPE_CHECKING, Any @@ -17,6 +16,7 @@ import ibis import ibis.backends.sql.compilers as sc import ibis.common.exceptions as com +import ibis.expr.datatypes as dt import ibis.expr.operations as ops import ibis.expr.schema as sch import ibis.expr.types as ir @@ -136,11 +136,9 @@ def do_connect( database = kwargs.pop("database", kwargs.pop("db", None)) uri = f"{user}:{password}@tcp({host}:{port})/{database or ''}" - with warnings.catch_warnings(): - warnings.simplefilter("ignore") - self.con = adbc_dbapi.connect( - driver="mysql", db_kwargs={"uri": uri}, autocommit=True - ) + self.con = adbc_dbapi.connect( + driver="mysql", db_kwargs={"uri": uri}, autocommit=True + ) self._post_connect() @@ -151,6 +149,14 @@ def _post_connect(self) -> None: except Exception as e: # noqa: BLE001 warnings.warn(f"Unable to set session timezone to UTC: {e}") + @classmethod + def from_connection(cls, con, /, **kwargs): + new_backend = cls() + new_backend._can_reconnect = False + new_backend.con = con + new_backend._post_connect() + return new_backend + def disconnect(self) -> None: self.con.close() @@ -175,7 +181,7 @@ def _get_schema_using_query(self, query: str) -> sch.Schema: quoted_tmp = sg.to_identifier(tmp_name, quoted=self.compiler.quoted).sql( self.dialect ) - create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS {query} LIMIT 0" + create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS SELECT * FROM ({query}) AS _t LIMIT 0" describe_sql = f"DESCRIBE {quoted_tmp}" drop_sql = f"DROP TEMPORARY TABLE IF EXISTS {quoted_tmp}" @@ -337,11 +343,14 @@ def execute( sql = self.compile(table, limit=limit, params=params, **kwargs) schema = table.schema() + target_schema = schema.to_pyarrow() with self.con.cursor() as cur: cur.execute(sql) arrow_table = cur.fetch_arrow_table() + arrow_table = self._cast_adbc_table(arrow_table, target_schema) + import pandas as pd from ibis.formats.pandas import PandasData @@ -349,8 +358,6 @@ def execute( df = arrow_table.to_pandas(timestamp_as_object=False) if df.empty: df = pd.DataFrame(columns=schema.names) - else: - df.columns = list(schema.names) result = PandasData.convert_table(df, schema) return expr.__pandas_result__(result) @@ -439,45 +446,138 @@ def create_table( def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: schema = op.schema if null_columns := schema.null_fields: - raise com.IbisTypeError( - "MySQL cannot yet reliably handle `null` typed columns; " - f"got null typed columns: {null_columns}" + schema = ibis.schema( + { + name: dt.string if name in null_columns else typ + for name, typ in schema.items() + } ) + arrow_table = op.data.to_pyarrow(schema) + name = op.name quoted = self.compiler.quoted dialect = self.dialect - create_stmt = sg.exp.Create( + # ADBC's adbc_ingest temporary=True doesn't actually create + # TEMPORARY tables in MySQL. Create the temp table with DDL first, + # then use adbc_ingest in append mode to insert data. + create_stmt = sge.Create( kind="TABLE", - this=sg.exp.Schema( + this=sge.Schema( this=sg.to_identifier(name, quoted=quoted), expressions=schema.to_sqlglot_column_defs(dialect), ), - properties=sg.exp.Properties(expressions=[sge.TemporaryProperty()]), + properties=sge.Properties(expressions=[sge.TemporaryProperty()]), ) - create_stmt_sql = create_stmt.sql(dialect) - df = op.data.to_frame() - # nan can not be used with MySQL - df = df.replace(float("nan"), None) + ncols = len(schema) + # MySQL has a 65535 prepared statement placeholder limit. + # Set batch size to stay under it. + batch_size = max(1, 65535 // max(ncols, 1) - 1) - insert_sql = self._build_insert_template( - name, schema=schema, columns=True, placeholder="?" - ) with self.con.cursor() as cur: - cur.execute(create_stmt_sql) - - if not df.empty: - for row in df.itertuples(index=False): - # Convert values: replace NaN/None with None, handle types - values = [] - for v in row: - if v is None or (isinstance(v, float) and math.isnan(v)): - values.append(None) - else: - values.append(v) - cur.execute(insert_sql, values) + cur.execute(create_stmt.sql(dialect)) + if arrow_table.num_rows > 0: + cur.adbc_statement.set_options( + **{"adbc.statement.ingest.batch_size": str(batch_size)} + ) + cur.adbc_ingest(name, arrow_table, mode="append") + + @staticmethod + def _decode_opaque_storage(storage): + """Decode ADBC opaque extension type storage to a string array. + + The ADBC MySQL driver stores some values (e.g., UNSIGNED BIGINT) as + bracket-delimited ASCII byte sequences like ``"[52 50]"`` for ``"42"``. + Other values are stored as plain strings. This normalizes both forms + into a plain string array. + """ + import pyarrow as pa + + decoded = [] + for val in storage: + raw = val.as_py() + if raw is None: + decoded.append(None) + elif raw.startswith("[") and raw.endswith("]"): + byte_values = [int(x) for x in raw[1:-1].split()] + decoded.append(bytes(byte_values).decode("ascii")) + else: + decoded.append(raw) + return pa.array(decoded, type=pa.string()) + + @staticmethod + def _cast_adbc_column(col, target_type): + """Cast a single ADBC-returned Arrow column to the target type. + + ADBC MySQL returns opaque extension types for some MySQL types (NULL, + unsigned integers, etc.) that PyArrow cannot cast directly. This method + handles those by extracting the storage array first. + """ + import pyarrow as pa + import pyarrow.compute as pc + + if col.type == target_type: + return col + elif target_type == pa.null(): + return pa.nulls(len(col)) + elif isinstance(col.type, pa.BaseExtensionType): + storage = ( + col.storage + if isinstance(col, pa.Array) + else col.combine_chunks().storage + ) + # All-null opaque columns (e.g., type_name=NULL) can't be cast + # meaningfully; return typed nulls directly. + if storage.null_count == len(storage): + return pa.nulls(len(storage), type=target_type) + if storage.type in (pa.string(), pa.utf8()): + decoded = Backend._decode_opaque_storage(storage) + # For unsigned integer types that overflow the target signed + # type (e.g., MySQL ~x returns UNSIGNED BIGINT), parse as + # uint64 first and let the overflow wrap via two's complement. + if pa.types.is_integer(target_type): + arr = decoded.cast(pa.uint64()) + return arr.cast(target_type, safe=False) + return decoded.cast(target_type) + return storage.cast(target_type) + else: + try: + return col.cast(target_type) + except (pa.ArrowNotImplementedError, pa.ArrowInvalid): + # Some casts aren't directly supported (e.g., decimal -> + # float16); try going through float64 as an intermediate. + try: + return col.cast(pa.float64()).cast(target_type) + except (pa.ArrowNotImplementedError, pa.ArrowInvalid): + # If that also fails (e.g., double -> interval), leave + # as-is and let PandasData.convert_table handle it. + return col + + @classmethod + def _cast_adbc_table(cls, table, target_schema): + """Cast an ADBC-returned Arrow Table to match the target schema.""" + import pyarrow as pa + + columns = [ + cls._cast_adbc_column(table.column(i), field.type) + for i, field in enumerate(target_schema) + ] + return pa.table( + dict(zip(target_schema.names, columns)), + ) + + @classmethod + def _cast_adbc_batch(cls, batch, target_schema): + """Cast an ADBC-returned Arrow RecordBatch to match the target schema.""" + import pyarrow as pa + + columns = [ + cls._cast_adbc_column(batch.column(i), field.type) + for i, field in enumerate(target_schema) + ] + return pa.record_batch(columns, schema=target_schema) @util.experimental def to_pyarrow_batches( @@ -490,9 +590,26 @@ def to_pyarrow_batches( chunk_size: int = 1_000_000, **_: Any, ) -> pa.ipc.RecordBatchReader: + import pyarrow as pa + self._run_pre_execute_hooks(expr) - sql = self.compile(expr, limit=limit, params=params) - cur = self.con.cursor() - cur.execute(sql) - return cur.fetch_record_batch() + table_expr = expr.as_table() + sql = self.compile(table_expr, limit=limit, params=params) + target_schema = table_expr.schema().to_pyarrow() + + cur = self.raw_sql(sql) + reader = cur.fetch_record_batch() + + def batch_producer(): + try: + for batch in reader: + yield self._cast_adbc_batch( + batch.rename_columns(target_schema.names), target_schema + ) + finally: + cur.close() + + return pa.ipc.RecordBatchReader.from_batches( + target_schema, batch_producer() + ) diff --git a/ibis/backends/mysql/tests/conftest.py b/ibis/backends/mysql/tests/conftest.py index 591b9074538d..2610a2b5a854 100644 --- a/ibis/backends/mysql/tests/conftest.py +++ b/ibis/backends/mysql/tests/conftest.py @@ -1,6 +1,5 @@ from __future__ import annotations -import csv import os from typing import TYPE_CHECKING, Any @@ -38,37 +37,28 @@ def test_files(self) -> Iterable[Path]: def _load_data(self, **kwargs: Any) -> None: """Load test data into a MySQL backend instance.""" + import pyarrow as pa + import pyarrow.csv as pcsv + super()._load_data(**kwargs) - batch_size = 1000 with self.connection.con.cursor() as cur: - for table in TEST_TABLES: + for table, schema in TEST_TABLES.items(): csv_path = self.data_dir / "csv" / f"{table}.csv" - with open(csv_path, newline="") as f: - reader = csv.reader(f) - header = next(reader) # skip header - columns = ", ".join(f"`{col}`" for col in header) - batch = [] - for row in reader: - parts = [] - for v in row: - if v == "": - parts.append("NULL") - else: - escaped = v.replace("\\", "\\\\").replace("'", "\\'") - parts.append(f"'{escaped}'") - batch.append(f"({', '.join(parts)})") - if len(batch) >= batch_size: - values_sql = ", ".join(batch) - cur.execute( - f"INSERT INTO `{table}` ({columns}) VALUES {values_sql}" - ) - batch = [] - if batch: - values_sql = ", ".join(batch) - cur.execute( - f"INSERT INTO `{table}` ({columns}) VALUES {values_sql}" - ) + arrow_schema = schema.to_pyarrow() + arrow_table = pcsv.read_csv( + csv_path, + convert_options=pcsv.ConvertOptions( + column_types=arrow_schema, + strings_can_be_null=True, + ), + ) + ncols = len(arrow_schema) + batch_size = max(1, 65535 // max(ncols, 1) - 1) + cur.adbc_statement.set_options( + **{"adbc.statement.ingest.batch_size": str(batch_size)} + ) + cur.adbc_ingest(table, arrow_table, mode="append") @staticmethod def connect(*, tmpdir, worker_id, **kw): # noqa: ARG004 diff --git a/ibis/backends/sql/datatypes.py b/ibis/backends/sql/datatypes.py index de563f7af6d6..f800f3a9ec6d 100644 --- a/ibis/backends/sql/datatypes.py +++ b/ibis/backends/sql/datatypes.py @@ -672,6 +672,11 @@ class MySQLType(SqlglotType): unknown_type_strings = FrozenDict({"year(4)": dt.uint8, "inet6": dt.inet}) + @classmethod + def _from_ibis_Binary(cls, dtype: dt.Binary) -> sge.DataType: + # MySQL VARBINARY requires a length; use BLOB for arbitrary binary data + return sge.DataType(this=typecode.BLOB) + @classmethod def _from_sqlglot_BIT( cls, nbits: sge.DataTypeParam, nullable: bool | None = None diff --git a/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-date/out.sql b/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-date/out.sql new file mode 100644 index 000000000000..e1fdc1f7b49b --- /dev/null +++ b/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-date/out.sql @@ -0,0 +1,2 @@ +SELECT + DATE('2023-04-07') AS `datetime.date(2023, 4, 7)` \ No newline at end of file diff --git a/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-timestamp/out.sql b/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-timestamp/out.sql new file mode 100644 index 000000000000..09c9771b8a6b --- /dev/null +++ b/ibis/backends/tests/snapshots/test_temporal/test_temporal_literal_sql/mysql-timestamp/out.sql @@ -0,0 +1,2 @@ +SELECT + TIMESTAMP('2023-04-07T04:05:06.230136') AS `datetime.datetime(2023, 4, 7, 4, 5, 6, 230136)` \ No newline at end of file diff --git a/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/0-mysql/out.sql b/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/0-mysql/out.sql new file mode 100644 index 000000000000..9b09a5a59631 --- /dev/null +++ b/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/0-mysql/out.sql @@ -0,0 +1,2 @@ +SELECT + MAKETIME(4, 5, 6.0) AS `datetime.time(4, 5, 6)` \ No newline at end of file diff --git a/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/234567-mysql/out.sql b/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/234567-mysql/out.sql new file mode 100644 index 000000000000..872832fdb485 --- /dev/null +++ b/ibis/backends/tests/snapshots/test_temporal/test_time_literal_sql/234567-mysql/out.sql @@ -0,0 +1,2 @@ +SELECT + MAKETIME(4, 5, 6.234567) AS `datetime.time(4, 5, 6, 234567)` \ No newline at end of file diff --git a/ibis/backends/tests/test_aggregation.py b/ibis/backends/tests/test_aggregation.py index dab220909ab1..1ef80d7f54ba 100644 --- a/ibis/backends/tests/test_aggregation.py +++ b/ibis/backends/tests/test_aggregation.py @@ -19,6 +19,7 @@ GoogleBadRequest, ImpalaHiveServer2Error, MySQLNotSupportedError, + MySQLProgrammingError, OracleDatabaseError, PolarsInvalidOperationError, PsycoPg2InternalError, @@ -1769,7 +1770,7 @@ def test_grouped_case(backend, con): @pytest.mark.notyet(["druid"], raises=PyDruidProgrammingError) @pytest.mark.notyet(["snowflake"], raises=SnowflakeProgrammingError) @pytest.mark.notyet(["trino"], raises=TrinoUserError) -@pytest.mark.notyet(["mysql"], raises=MySQLNotSupportedError) +@pytest.mark.notyet(["mysql"], raises=MySQLProgrammingError) @pytest.mark.notyet(["singlestoredb"], raises=SingleStoreDBOperationalError) @pytest.mark.notyet(["oracle"], raises=OracleDatabaseError) @pytest.mark.notyet(["pyspark"], raises=PySparkAnalysisException) diff --git a/ibis/backends/tests/test_array.py b/ibis/backends/tests/test_array.py index b41a83645f57..b4102e206f4c 100644 --- a/ibis/backends/tests/test_array.py +++ b/ibis/backends/tests/test_array.py @@ -22,6 +22,7 @@ DatabricksServerOperationError, GoogleBadRequest, MySQLOperationalError, + MySQLProgrammingError, PolarsComputeError, PsycoPg2IndeterminateDatatype, PsycoPg2InternalError, @@ -233,6 +234,7 @@ def test_array_index(con, idx): raises=( com.OperationNotDefinedError, MySQLOperationalError, + MySQLProgrammingError, SingleStoreDBProgrammingError, com.UnsupportedBackendType, com.TableNotFound, diff --git a/ibis/backends/tests/test_export.py b/ibis/backends/tests/test_export.py index a1892c5bc961..d90ac158baf3 100644 --- a/ibis/backends/tests/test_export.py +++ b/ibis/backends/tests/test_export.py @@ -16,6 +16,7 @@ DuckDBParserException, ExaQueryError, MySQLOperationalError, + MySQLProgrammingError, OracleDatabaseError, Py4JJavaError, PyAthenaOperationalError, @@ -455,7 +456,7 @@ def test_table_to_csv_writer_kwargs(delimiter, tmp_path, awards_players): pytest.mark.notyet(["trino"], raises=TrinoUserError), pytest.mark.notyet(["athena"], raises=PyAthenaOperationalError), pytest.mark.notyet(["oracle"], raises=OracleDatabaseError), - pytest.mark.notyet(["mysql"], raises=MySQLOperationalError), + pytest.mark.notyet(["mysql"], raises=MySQLProgrammingError), pytest.mark.notyet( ["singlestoredb"], raises=SingleStoreDBOperationalError ), @@ -707,7 +708,6 @@ def test_scalar_to_memory(limit, awards_players, output_format, converter): "impala", "materialize", "mssql", - "mysql", "singlestoredb", "oracle", "postgres", diff --git a/ibis/backends/tests/test_generic.py b/ibis/backends/tests/test_generic.py index a6e6d2c43687..219ef8fad4a0 100644 --- a/ibis/backends/tests/test_generic.py +++ b/ibis/backends/tests/test_generic.py @@ -24,6 +24,7 @@ ExaQueryError, GoogleBadRequest, ImpalaHiveServer2Error, + MySQLOperationalError, MySQLProgrammingError, OracleDatabaseError, PolarsInvalidOperationError, @@ -1406,7 +1407,7 @@ def test_memtable_column_naming_mismatch(con, monkeypatch, df, columns): @pytest.mark.notyet( - ["mssql", "mysql", "exasol", "impala"], + ["mssql", "exasol", "impala"], reason="various syntax errors reported", ) @pytest.mark.notyet( @@ -2818,6 +2819,11 @@ def test_table_describe_with_multiple_decimal_columns(con): sqlite3.InterfaceError, ), ) +@pytest.mark.notyet( + ["mysql"], + raises=(MySQLOperationalError, OSError), + reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value", +) def test_comparison_with_decimal_literal(con): t = ibis.memtable( {"a": [decimal.Decimal(1), decimal.Decimal(2), decimal.Decimal(3)]} diff --git a/ibis/backends/tests/test_numeric.py b/ibis/backends/tests/test_numeric.py index 2f511bbcb281..62a261f279cd 100644 --- a/ibis/backends/tests/test_numeric.py +++ b/ibis/backends/tests/test_numeric.py @@ -21,6 +21,7 @@ GoogleBadRequest, ImpalaHiveServer2Error, MySQLOperationalError, + MySQLProgrammingError, OracleDatabaseError, PsycoPg2InternalError, PsycoPgDivisionByZero, @@ -324,6 +325,11 @@ def test_numeric_literal(con, backend, expr, expected_types): reason="precision must be specified; clickhouse doesn't have a default", raises=NotImplementedError, ), + pytest.mark.notyet( + ["mysql"], + raises=(MySQLOperationalError, OSError), + reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value", + ), ], id="default", ), @@ -399,7 +405,7 @@ def test_numeric_literal(con, backend, expr, expected_types): }, marks=[ pytest.mark.notimpl(["exasol"], raises=ExaQueryError), - pytest.mark.notimpl(["mysql"], raises=MySQLOperationalError), + pytest.mark.notimpl(["mysql"], raises=MySQLProgrammingError), pytest.mark.notimpl( ["singlestoredb"], raises=SingleStoreDBOperationalError ), @@ -762,7 +768,9 @@ def test_decimal_literal(con, backend, expr, expected_types, expected_result): @pytest.mark.notimpl( ["flink"], raises=(com.OperationNotDefinedError, NotImplementedError) ) -@pytest.mark.notimpl(["mysql"], raises=(MySQLOperationalError, NotImplementedError)) +@pytest.mark.notimpl( + ["mysql"], raises=(MySQLOperationalError, MySQLProgrammingError, NotImplementedError) +) @pytest.mark.notimpl( ["singlestoredb"], raises=(SingleStoreDBOperationalError, NotImplementedError) ) diff --git a/ibis/backends/tests/test_temporal.py b/ibis/backends/tests/test_temporal.py index 45cf35a8dc90..0e525a5cac57 100644 --- a/ibis/backends/tests/test_temporal.py +++ b/ibis/backends/tests/test_temporal.py @@ -2140,7 +2140,11 @@ def test_large_timestamp(con): pytest.mark.notyet( ["mysql", "singlestoredb"], reason="doesn't support nanoseconds", - raises=(MySQLOperationalError, SingleStoreDBOperationalError), + raises=( + MySQLOperationalError, + MySQLProgrammingError, + SingleStoreDBOperationalError, + ), ), pytest.mark.notyet( ["bigquery"], diff --git a/ibis/backends/tests/test_window.py b/ibis/backends/tests/test_window.py index 14e7f7ee54ff..8dc0ea2bf20e 100644 --- a/ibis/backends/tests/test_window.py +++ b/ibis/backends/tests/test_window.py @@ -14,6 +14,7 @@ GoogleBadRequest, ImpalaHiveServer2Error, MySQLOperationalError, + MySQLProgrammingError, PsycoPg2InternalError, Py4JJavaError, PyDruidProgrammingError, @@ -969,7 +970,7 @@ def test_ungrouped_unbounded_window( @pytest.mark.notyet(["mssql"], raises=PyODBCProgrammingError) @pytest.mark.notyet( ["mysql"], - raises=MySQLOperationalError, + raises=(MySQLOperationalError, MySQLProgrammingError), reason="https://github.com/tobymao/sqlglot/issues/2779", ) @pytest.mark.notyet( @@ -1151,7 +1152,7 @@ def test_first_last(backend): ["impala"], raises=ImpalaHiveServer2Error, reason="not supported by Impala" ) @pytest.mark.notyet( - ["mysql"], raises=MySQLOperationalError, reason="not supported by MySQL" + ["mysql"], raises=MySQLProgrammingError, reason="not supported by MySQL" ) @pytest.mark.notyet( ["singlestoredb"], diff --git a/pyproject.toml b/pyproject.toml index 107533d2789f..4a0f1dcbe4cb 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -407,6 +407,8 @@ filterwarnings = [ "ignore:is_categorical_dtype is deprecated .+:DeprecationWarning", # pyspark and impala leave sockets open "ignore:Exception ignored in:", + # adbc driver manager may warn about unclosed connections + "ignore:A adbc_driver_manager:ResourceWarning", # pandas "ignore:Boolean Series key will be reindexed:UserWarning", 'ignore:Using \.astype to convert from timezone-(naive|aware) dtype:FutureWarning', From 7d7e68b64f675f5d0b669d2af38fde680122b94b Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 28 Feb 2026 23:53:48 +0400 Subject: [PATCH 04/14] fix: run pre-commit --- ibis/backends/mysql/__init__.py | 7 ++----- ibis/backends/mysql/tests/conftest.py | 1 - ibis/backends/tests/test_aggregation.py | 1 - ibis/backends/tests/test_export.py | 1 - ibis/backends/tests/test_numeric.py | 3 ++- 5 files changed, 4 insertions(+), 9 deletions(-) diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 8820be085cf8..2e860d941536 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -181,7 +181,7 @@ def _get_schema_using_query(self, query: str) -> sch.Schema: quoted_tmp = sg.to_identifier(tmp_name, quoted=self.compiler.quoted).sql( self.dialect ) - create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS SELECT * FROM ({query}) AS _t LIMIT 0" + create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS SELECT * FROM ({query}) AS _t LIMIT 0" # noqa: S608 describe_sql = f"DESCRIBE {quoted_tmp}" drop_sql = f"DROP TEMPORARY TABLE IF EXISTS {quoted_tmp}" @@ -516,7 +516,6 @@ def _cast_adbc_column(col, target_type): handles those by extracting the storage array first. """ import pyarrow as pa - import pyarrow.compute as pc if col.type == target_type: return col @@ -610,6 +609,4 @@ def batch_producer(): finally: cur.close() - return pa.ipc.RecordBatchReader.from_batches( - target_schema, batch_producer() - ) + return pa.ipc.RecordBatchReader.from_batches(target_schema, batch_producer()) diff --git a/ibis/backends/mysql/tests/conftest.py b/ibis/backends/mysql/tests/conftest.py index 2610a2b5a854..9ab37e5d462f 100644 --- a/ibis/backends/mysql/tests/conftest.py +++ b/ibis/backends/mysql/tests/conftest.py @@ -37,7 +37,6 @@ def test_files(self) -> Iterable[Path]: def _load_data(self, **kwargs: Any) -> None: """Load test data into a MySQL backend instance.""" - import pyarrow as pa import pyarrow.csv as pcsv super()._load_data(**kwargs) diff --git a/ibis/backends/tests/test_aggregation.py b/ibis/backends/tests/test_aggregation.py index 1ef80d7f54ba..71c85d68a888 100644 --- a/ibis/backends/tests/test_aggregation.py +++ b/ibis/backends/tests/test_aggregation.py @@ -18,7 +18,6 @@ ExaQueryError, GoogleBadRequest, ImpalaHiveServer2Error, - MySQLNotSupportedError, MySQLProgrammingError, OracleDatabaseError, PolarsInvalidOperationError, diff --git a/ibis/backends/tests/test_export.py b/ibis/backends/tests/test_export.py index d90ac158baf3..625369d5382d 100644 --- a/ibis/backends/tests/test_export.py +++ b/ibis/backends/tests/test_export.py @@ -15,7 +15,6 @@ DuckDBNotImplementedException, DuckDBParserException, ExaQueryError, - MySQLOperationalError, MySQLProgrammingError, OracleDatabaseError, Py4JJavaError, diff --git a/ibis/backends/tests/test_numeric.py b/ibis/backends/tests/test_numeric.py index 62a261f279cd..cc36b326235e 100644 --- a/ibis/backends/tests/test_numeric.py +++ b/ibis/backends/tests/test_numeric.py @@ -769,7 +769,8 @@ def test_decimal_literal(con, backend, expr, expected_types, expected_result): ["flink"], raises=(com.OperationNotDefinedError, NotImplementedError) ) @pytest.mark.notimpl( - ["mysql"], raises=(MySQLOperationalError, MySQLProgrammingError, NotImplementedError) + ["mysql"], + raises=(MySQLOperationalError, MySQLProgrammingError, NotImplementedError), ) @pytest.mark.notimpl( ["singlestoredb"], raises=(SingleStoreDBOperationalError, NotImplementedError) From 44de84b1c49de2337f95ec94cddb9b883c56f907 Mon Sep 17 00:00:00 2001 From: tokoko Date: Sun, 15 Mar 2026 07:01:35 +0400 Subject: [PATCH 05/14] fix: remove driver workarounds --- ibis/backends/mysql/__init__.py | 38 ++++++--------------------------- 1 file changed, 7 insertions(+), 31 deletions(-) diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 2e860d941536..681349e30880 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -218,7 +218,7 @@ def get_schema( cur.execute(describe_sql) result = cur.fetch_arrow_table() except Exception as e: - if "doesn't exist" in str(e): + if getattr(e, "sqlstate", None) == "42S02": raise com.TableNotFound(name) from e raise @@ -455,34 +455,8 @@ def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: arrow_table = op.data.to_pyarrow(schema) - name = op.name - quoted = self.compiler.quoted - dialect = self.dialect - - # ADBC's adbc_ingest temporary=True doesn't actually create - # TEMPORARY tables in MySQL. Create the temp table with DDL first, - # then use adbc_ingest in append mode to insert data. - create_stmt = sge.Create( - kind="TABLE", - this=sge.Schema( - this=sg.to_identifier(name, quoted=quoted), - expressions=schema.to_sqlglot_column_defs(dialect), - ), - properties=sge.Properties(expressions=[sge.TemporaryProperty()]), - ) - - ncols = len(schema) - # MySQL has a 65535 prepared statement placeholder limit. - # Set batch size to stay under it. - batch_size = max(1, 65535 // max(ncols, 1) - 1) - with self.con.cursor() as cur: - cur.execute(create_stmt.sql(dialect)) - if arrow_table.num_rows > 0: - cur.adbc_statement.set_options( - **{"adbc.statement.ingest.batch_size": str(batch_size)} - ) - cur.adbc_ingest(name, arrow_table, mode="append") + cur.adbc_ingest(op.name, arrow_table, mode="create", temporary=True) @staticmethod def _decode_opaque_storage(storage): @@ -550,9 +524,11 @@ def _cast_adbc_column(col, target_type): try: return col.cast(pa.float64()).cast(target_type) except (pa.ArrowNotImplementedError, pa.ArrowInvalid): - # If that also fails (e.g., double -> interval), leave - # as-is and let PandasData.convert_table handle it. - return col + # Arrow can't cast to interval types; leave as-is + # and let PandasData.convert_table handle it. + if pa.types.is_interval(target_type): + return col + raise @classmethod def _cast_adbc_table(cls, table, target_schema): From 5c2f75f3c11aa49e7db5ad69298113ca8afacb0e Mon Sep 17 00:00:00 2001 From: tokoko Date: Sun, 15 Mar 2026 13:30:34 +0400 Subject: [PATCH 06/14] fix: disable unsigned tests, remove opaque type handling --- ibis/backends/mysql/__init__.py | 103 ++++------------------- ibis/backends/mysql/tests/conftest.py | 5 -- ibis/backends/mysql/tests/test_client.py | 53 ++++-------- ibis/backends/tests/test_numeric.py | 10 +++ 4 files changed, 46 insertions(+), 125 deletions(-) diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 681349e30880..8f80898cc15a 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -176,6 +176,18 @@ def list_databases(self, *, like: str | None = None) -> list[str]: databases = table.column(0).to_pylist() return self._filter_with_like(databases, like) + def _schema_from_describe(self, result) -> sch.Schema: + type_mapper = self.compiler.type_mapper + fields = {} + for i in range(result.num_rows): + col_name = result.column(0)[i].as_py() + type_string = result.column(1)[i].as_py() + is_nullable = result.column(2)[i].as_py() + fields[col_name] = type_mapper.from_string( + type_string, nullable=is_nullable == "YES" + ) + return sch.Schema(fields) + def _get_schema_using_query(self, query: str) -> sch.Schema: tmp_name = util.gen_name("mysql_schema") quoted_tmp = sg.to_identifier(tmp_name, quoted=self.compiler.quoted).sql( @@ -185,7 +197,6 @@ def _get_schema_using_query(self, query: str) -> sch.Schema: describe_sql = f"DESCRIBE {quoted_tmp}" drop_sql = f"DROP TEMPORARY TABLE IF EXISTS {quoted_tmp}" - type_mapper = self.compiler.type_mapper with self.con.cursor() as cur: try: cur.execute(create_sql) @@ -194,16 +205,7 @@ def _get_schema_using_query(self, query: str) -> sch.Schema: finally: cur.execute(drop_sql) - fields = {} - for i in range(result.num_rows): - col_name = result.column(0)[i].as_py() - type_string = result.column(1)[i].as_py() - is_nullable = result.column(2)[i].as_py() - fields[col_name] = type_mapper.from_string( - type_string, nullable=is_nullable == "YES" - ) - - return sch.Schema(fields) + return self._schema_from_describe(result) def get_schema( self, name: str, *, catalog: str | None = None, database: str | None = None @@ -222,17 +224,7 @@ def get_schema( raise com.TableNotFound(name) from e raise - type_mapper = self.compiler.type_mapper - fields = {} - for i in range(result.num_rows): - col_name = result.column(0)[i].as_py() - type_string = result.column(1)[i].as_py() - is_nullable = result.column(2)[i].as_py() - fields[col_name] = type_mapper.from_string( - type_string, nullable=is_nullable == "YES" - ) - - return sch.Schema(fields) + return self._schema_from_describe(result) def create_database(self, name: str, force: bool = False) -> None: sql = sge.Create( @@ -458,77 +450,18 @@ def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: with self.con.cursor() as cur: cur.adbc_ingest(op.name, arrow_table, mode="create", temporary=True) - @staticmethod - def _decode_opaque_storage(storage): - """Decode ADBC opaque extension type storage to a string array. - - The ADBC MySQL driver stores some values (e.g., UNSIGNED BIGINT) as - bracket-delimited ASCII byte sequences like ``"[52 50]"`` for ``"42"``. - Other values are stored as plain strings. This normalizes both forms - into a plain string array. - """ - import pyarrow as pa - - decoded = [] - for val in storage: - raw = val.as_py() - if raw is None: - decoded.append(None) - elif raw.startswith("[") and raw.endswith("]"): - byte_values = [int(x) for x in raw[1:-1].split()] - decoded.append(bytes(byte_values).decode("ascii")) - else: - decoded.append(raw) - return pa.array(decoded, type=pa.string()) - @staticmethod def _cast_adbc_column(col, target_type): """Cast a single ADBC-returned Arrow column to the target type. - ADBC MySQL returns opaque extension types for some MySQL types (NULL, - unsigned integers, etc.) that PyArrow cannot cast directly. This method - handles those by extracting the storage array first. + The ADBC MySQL driver returns opaque extension types for NULL columns + that PyArrow cannot cast directly. """ import pyarrow as pa - if col.type == target_type: - return col - elif target_type == pa.null(): + if target_type == pa.null(): return pa.nulls(len(col)) - elif isinstance(col.type, pa.BaseExtensionType): - storage = ( - col.storage - if isinstance(col, pa.Array) - else col.combine_chunks().storage - ) - # All-null opaque columns (e.g., type_name=NULL) can't be cast - # meaningfully; return typed nulls directly. - if storage.null_count == len(storage): - return pa.nulls(len(storage), type=target_type) - if storage.type in (pa.string(), pa.utf8()): - decoded = Backend._decode_opaque_storage(storage) - # For unsigned integer types that overflow the target signed - # type (e.g., MySQL ~x returns UNSIGNED BIGINT), parse as - # uint64 first and let the overflow wrap via two's complement. - if pa.types.is_integer(target_type): - arr = decoded.cast(pa.uint64()) - return arr.cast(target_type, safe=False) - return decoded.cast(target_type) - return storage.cast(target_type) - else: - try: - return col.cast(target_type) - except (pa.ArrowNotImplementedError, pa.ArrowInvalid): - # Some casts aren't directly supported (e.g., decimal -> - # float16); try going through float64 as an intermediate. - try: - return col.cast(pa.float64()).cast(target_type) - except (pa.ArrowNotImplementedError, pa.ArrowInvalid): - # Arrow can't cast to interval types; leave as-is - # and let PandasData.convert_table handle it. - if pa.types.is_interval(target_type): - return col - raise + return col @classmethod def _cast_adbc_table(cls, table, target_schema): diff --git a/ibis/backends/mysql/tests/conftest.py b/ibis/backends/mysql/tests/conftest.py index 9ab37e5d462f..7f9b6a846679 100644 --- a/ibis/backends/mysql/tests/conftest.py +++ b/ibis/backends/mysql/tests/conftest.py @@ -52,11 +52,6 @@ def _load_data(self, **kwargs: Any) -> None: strings_can_be_null=True, ), ) - ncols = len(arrow_schema) - batch_size = max(1, 65535 // max(ncols, 1) - 1) - cur.adbc_statement.set_options( - **{"adbc.statement.ingest.batch_size": str(batch_size)} - ) cur.adbc_ingest(table, arrow_table, mode="append") @staticmethod diff --git a/ibis/backends/mysql/tests/test_client.py b/ibis/backends/mysql/tests/test_client.py index b6bd8c7748cf..f6ca39117716 100644 --- a/ibis/backends/mysql/tests/test_client.py +++ b/ibis/backends/mysql/tests/test_client.py @@ -63,6 +63,12 @@ param("int unsigned", dt.uint32, id="int-unsigned"), param("smallint unsigned", dt.uint16, id="smallint-unsigned"), param("tinyint unsigned", dt.uint8, id="tinyint-unsigned"), + param("json", dt.string, id="json"), + param("inet6", dt.inet, id="inet"), + param("uuid", dt.uuid, id="uuid"), + param("enum('small', 'medium', 'large')", dt.string, id="enum"), + param("mediumtext", dt.string, id="mediumtext"), + param("text", dt.string, id="text"), ] + [ param( f"datetime({scale:d})", @@ -91,34 +97,6 @@ def test_get_schema_from_query(con, mysql_type, expected_type): assert t.schema() == expected_schema -@pytest.mark.parametrize( - ("mysql_type", "expected_type"), - [ - param("json", dt.string, id="json"), - param("inet6", dt.inet, id="inet"), - param("uuid", dt.uuid, id="uuid"), - param("enum('small', 'medium', 'large')", dt.string, id="enum"), - param("mediumtext", dt.string, id="mediumtext"), - param("text", dt.string, id="text"), - ], -) -def test_get_schema_from_query_special_cases(con, mysql_type, expected_type): - raw_name = ibis.util.guid() - name = sg.to_identifier(raw_name, quoted=True).sql("mysql") - expected_schema = ibis.schema(dict(x=expected_type)) - - # temporary tables get cleaned up by the db when the session ends, so we - # don't need to explicitly drop the table - with con.begin() as c: - c.execute(f"CREATE TEMPORARY TABLE {name} (x {mysql_type})") - - result_schema = con._get_schema_using_query(f"SELECT * FROM {name}") - assert result_schema == expected_schema - - t = con.table(raw_name) - assert t.schema() == expected_schema - - @pytest.mark.parametrize("coltype", ["TINYBLOB", "MEDIUMBLOB", "BLOB", "LONGBLOB"]) def test_blob_type(con, coltype): tmp = f"tmp_{ibis.util.guid()}" @@ -142,6 +120,11 @@ def test_get_schema_from_query_other_schema(con, tmp_t): assert t.schema() == ibis.schema({"x": dt.inet}) +@pytest.mark.notyet( + ["mysql"], + raises=Exception, + reason="ADBC MySQL driver cannot parse zero timestamps ('0000-00-00 00:00:00')", +) def test_zero_timestamp_data(con): sql = """ CREATE TEMPORARY TABLE ztmp_date_issue @@ -156,9 +139,9 @@ def test_zero_timestamp_data(con): c.execute( """ INSERT INTO ztmp_date_issue VALUES - ('C', '2018-10-22', NULL), - ('B', '2017-06-07', NULL), - ('C', '2022-12-21', NULL) + ('C', '2018-10-22', 0), + ('B', '2017-06-07', 0), + ('C', '2022-12-21', 0) """ ) t = con.table("ztmp_date_issue") @@ -168,11 +151,11 @@ def test_zero_timestamp_data(con): "name": ["C", "B", "C"], "tradedate": pd.to_datetime( [date(2018, 10, 22), date(2017, 6, 7), date(2022, 12, 21)] - ), - "date": [pd.NaT, pd.NaT, pd.NaT], + ).as_unit("s"), + "date": pd.array([pd.NaT, pd.NaT, pd.NaT], dtype="datetime64[s]"), } ) - tm.assert_frame_equal(result, expected, check_dtype=False) + tm.assert_frame_equal(result, expected) @pytest.fixture(scope="module") @@ -245,7 +228,7 @@ def test_list_tables(con): def test_invalid_port(): port = 4000 url = f"mysql://{MYSQL_USER}:{MYSQL_PASS}@{MYSQL_HOST}:{port}/{IBIS_TEST_MYSQL_DB}" - with pytest.raises(Exception, match=r"connect|connection refused|ping"): + with pytest.raises(MySQLOperationalError): ibis.connect(url) diff --git a/ibis/backends/tests/test_numeric.py b/ibis/backends/tests/test_numeric.py index cc36b326235e..5aa335fd3c3d 100644 --- a/ibis/backends/tests/test_numeric.py +++ b/ibis/backends/tests/test_numeric.py @@ -1655,6 +1655,11 @@ def test_bitwise_scalars(con, op, left, right): reason="Streaming database does not guarantee row order without ORDER BY", strict=False, ) +@pytest.mark.notyet( + ["mysql"], + raises=AssertionError, + reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type", +) @flink_no_bitwise def test_bitwise_not_scalar(con): expr = ~L(2) @@ -1671,6 +1676,11 @@ def test_bitwise_not_scalar(con): reason="Streaming database does not guarantee row order without ORDER BY", strict=False, ) +@pytest.mark.notyet( + ["mysql"], + raises=AssertionError, + reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type", +) @flink_no_bitwise def test_bitwise_not_col(backend, alltypes, df): expr = (~alltypes.int_col).name("tmp") From ba43698fa4644c55b12786d8f10779310cff3978 Mon Sep 17 00:00:00 2001 From: tokoko Date: Sun, 15 Mar 2026 14:46:17 +0400 Subject: [PATCH 07/14] fix: pandas docs url --- docs/_quarto.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/_quarto.yml b/docs/_quarto.yml index 794d29234b97..474f4c89082a 100644 --- a/docs/_quarto.yml +++ b/docs/_quarto.yml @@ -25,7 +25,7 @@ interlinks: arrow: url: https://arrow.apache.org/docs/ pandas: - url: http://pandas.pydata.org/pandas-docs/stable/ + url: https://pandas.pydata.org/docs/stable/ website: title: "Ibis" From ce71fa4c9eedc345aedbbf03120ffbcab22dd315 Mon Sep 17 00:00:00 2001 From: tokoko Date: Sun, 15 Mar 2026 14:53:32 +0400 Subject: [PATCH 08/14] fix: pandas docs url --- docs/_quarto.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/_quarto.yml b/docs/_quarto.yml index 474f4c89082a..da35fd487370 100644 --- a/docs/_quarto.yml +++ b/docs/_quarto.yml @@ -25,7 +25,7 @@ interlinks: arrow: url: https://arrow.apache.org/docs/ pandas: - url: https://pandas.pydata.org/docs/stable/ + url: https://pandas.pydata.org/docs/ website: title: "Ibis" From 1e6498e22b495d18bf0f3355f57c7507fd22bf2d Mon Sep 17 00:00:00 2001 From: tokoko Date: Wed, 18 Mar 2026 22:20:42 +0400 Subject: [PATCH 09/14] chore: add pr/issue references to pytest markers --- ibis/backends/tests/test_generic.py | 2 +- ibis/backends/tests/test_numeric.py | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/ibis/backends/tests/test_generic.py b/ibis/backends/tests/test_generic.py index 219ef8fad4a0..f5a234b67f4e 100644 --- a/ibis/backends/tests/test_generic.py +++ b/ibis/backends/tests/test_generic.py @@ -2822,7 +2822,7 @@ def test_table_describe_with_multiple_decimal_columns(con): @pytest.mark.notyet( ["mysql"], raises=(MySQLOperationalError, OSError), - reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value", + reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value; see https://github.com/adbc-drivers/driverbase-go/issues/129", ) def test_comparison_with_decimal_literal(con): t = ibis.memtable( diff --git a/ibis/backends/tests/test_numeric.py b/ibis/backends/tests/test_numeric.py index 5aa335fd3c3d..7234961614cd 100644 --- a/ibis/backends/tests/test_numeric.py +++ b/ibis/backends/tests/test_numeric.py @@ -328,7 +328,7 @@ def test_numeric_literal(con, backend, expr, expected_types): pytest.mark.notyet( ["mysql"], raises=(MySQLOperationalError, OSError), - reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value", + reason="ADBC MySQL driver maps DECIMAL(n,0) to int64 but fails to parse the text-protocol value; see https://github.com/adbc-drivers/driverbase-go/issues/129", ), ], id="default", @@ -1658,7 +1658,7 @@ def test_bitwise_scalars(con, op, left, right): @pytest.mark.notyet( ["mysql"], raises=AssertionError, - reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type", + reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type; fixed upstream in https://github.com/adbc-drivers/mysql/pull/80", ) @flink_no_bitwise def test_bitwise_not_scalar(con): @@ -1679,7 +1679,7 @@ def test_bitwise_not_scalar(con): @pytest.mark.notyet( ["mysql"], raises=AssertionError, - reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type", + reason="ADBC MySQL driver returns UNSIGNED BIGINT as opaque extension type; fixed upstream in https://github.com/adbc-drivers/mysql/pull/80", ) @flink_no_bitwise def test_bitwise_not_col(backend, alltypes, df): From b2471c2e3f7404ed8727e2d1d2e6b16d7347c5b8 Mon Sep 17 00:00:00 2001 From: tokoko Date: Thu, 19 Mar 2026 08:07:44 +0400 Subject: [PATCH 10/14] fix: resource leak in tests --- docs/backends/mysql.qmd | 26 ++++++++++++++++---------- ibis/backends/tests/test_client.py | 3 ++- pyproject.toml | 2 -- 3 files changed, 18 insertions(+), 13 deletions(-) diff --git a/docs/backends/mysql.qmd b/docs/backends/mysql.qmd index 4d7cf1a37396..87371907a8b8 100644 --- a/docs/backends/mysql.qmd +++ b/docs/backends/mysql.qmd @@ -18,12 +18,16 @@ Install with the `mysql` extra: pip install 'ibis-framework[mysql]' ``` -The MySQL backend uses the [ADBC MySQL driver](https://github.com/apache/arrow-adbc). -You must also install the driver binary: +The MySQL backend uses the [ADBC MySQL driver](https://docs.adbc-drivers.org/drivers/mysql/index.html), +which sends and receives data using the efficient columnar Apache Arrow format +instead of the traditional row-wise protocol. + +You must also install the MySQL ADBC driver binary. +[There are several installation options](https://docs.adbc-drivers.org/drivers/mysql/index.html) +(e.g. pipx, Homebrew, a bash installer, etc.), but if you have `uv` installed: ```{.bash} -pipx install dbc -dbc install mysql +uvx dbc install mysql ``` And connect: @@ -44,11 +48,12 @@ Install for MySQL: conda install -c conda-forge ibis-mysql ``` -You must also install the ADBC MySQL driver binary: +You must also install the MySQL ADBC driver binary. +[There are several installation options](https://docs.adbc-drivers.org/drivers/mysql/index.html) +(e.g. pipx, Homebrew, a bash installer, etc.), but if you have `uv` installed: ```{.bash} -pipx install dbc -dbc install mysql +uvx dbc install mysql ``` And connect: @@ -69,11 +74,12 @@ Install for MySQL: mamba install -c conda-forge ibis-mysql ``` -You must also install the ADBC MySQL driver binary: +You must also install the MySQL ADBC driver binary. +[There are several installation options](https://docs.adbc-drivers.org/drivers/mysql/index.html) +(e.g. pipx, Homebrew, a bash installer, etc.), but if you have `uv` installed: ```{.bash} -pipx install dbc -dbc install mysql +uvx dbc install mysql ``` And connect: diff --git a/ibis/backends/tests/test_client.py b/ibis/backends/tests/test_client.py index 3161c5a303dd..4ad08f5ffdac 100644 --- a/ibis/backends/tests/test_client.py +++ b/ibis/backends/tests/test_client.py @@ -2030,7 +2030,8 @@ def test_stateful_data_is_loaded_once( spy = mocker.spy(TestConf, "stateless_load") for _ in range(5): - TestConf.load_data(data_dir, tmp_path_factory, worker_id) + with TestConf.load_data(data_dir, tmp_path_factory, worker_id): + pass # also verify that it's been called once, by checking that there's at least # one table diff --git a/pyproject.toml b/pyproject.toml index 4a0f1dcbe4cb..107533d2789f 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -407,8 +407,6 @@ filterwarnings = [ "ignore:is_categorical_dtype is deprecated .+:DeprecationWarning", # pyspark and impala leave sockets open "ignore:Exception ignored in:", - # adbc driver manager may warn about unclosed connections - "ignore:A adbc_driver_manager:ResourceWarning", # pandas "ignore:Boolean Series key will be reindexed:UserWarning", 'ignore:Using \.astype to convert from timezone-(naive|aware) dtype:FutureWarning', From 9bb7db5e921afecb8d0187cdd0a0806826e7d24e Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 21 Mar 2026 15:38:03 +0400 Subject: [PATCH 11/14] fix: ci --- ibis/backends/mysql/__init__.py | 28 +++++++++++++++++++++++----- ibis/backends/tests/test_client.py | 8 ++++++-- 2 files changed, 29 insertions(+), 7 deletions(-) diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 8f80898cc15a..3064a5220704 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -6,7 +6,7 @@ import getpass import warnings from functools import cached_property -from typing import TYPE_CHECKING, Any +from typing import TYPE_CHECKING, Any, Literal from urllib.parse import unquote_plus import sqlglot as sg @@ -80,6 +80,7 @@ def do_connect( password: str | None = None, port: int = 3306, database: str | None = None, + autocommit: Literal[True] = True, **kwargs, ) -> None: """Create an Ibis client using the passed connection parameters. @@ -96,6 +97,9 @@ def do_connect( Port database Database to connect to + autocommit + Whether to use autocommit mode. Only ``True`` is supported at this + time due to a limitation of the ADBC MySQL driver. kwargs Additional keyword arguments @@ -131,13 +135,27 @@ def do_connect( host = "127.0.0.1" if host == "localhost" else host password = password or "" - # Also accept database/db from kwargs for backwards compat + # Also accept db from kwargs for backwards compat if database is None: - database = kwargs.pop("database", kwargs.pop("db", None)) + db = kwargs.pop("db", None) + if db is not None: + warnings.warn( + "Passing `db` is deprecated, use `database` instead.", + DeprecationWarning, + stacklevel=2, + ) + database = db + + autocommit = bool(autocommit) + if not autocommit: + raise ValueError( + "The MySQL backend only supports `autocommit=True` at this time. " + "See https://github.com/ibis-project/ibis/pull/11958 for details." + ) uri = f"{user}:{password}@tcp({host}:{port})/{database or ''}" self.con = adbc_dbapi.connect( - driver="mysql", db_kwargs={"uri": uri}, autocommit=True + driver="mysql", db_kwargs={"uri": uri}, autocommit=autocommit ) self._post_connect() @@ -150,7 +168,7 @@ def _post_connect(self) -> None: warnings.warn(f"Unable to set session timezone to UTC: {e}") @classmethod - def from_connection(cls, con, /, **kwargs): + def from_connection(cls, con: adbc_dbapi.Connection, /, **kwargs) -> Backend: new_backend = cls() new_backend._can_reconnect = False new_backend.con = con diff --git a/ibis/backends/tests/test_client.py b/ibis/backends/tests/test_client.py index 4ad08f5ffdac..1e75471d9dde 100644 --- a/ibis/backends/tests/test_client.py +++ b/ibis/backends/tests/test_client.py @@ -2029,14 +2029,18 @@ def test_stateful_data_is_loaded_once( spy = mocker.spy(TestConf, "stateless_load") + instances = [] for _ in range(5): - with TestConf.load_data(data_dir, tmp_path_factory, worker_id): - pass + instances.append(TestConf.load_data(data_dir, tmp_path_factory, worker_id)) # also verify that it's been called once, by checking that there's at least # one table assert con.list_tables() + # clean up connections after assertions to avoid resource leaks + for inst in instances: + inst.__exit__(None, None, None) + # Ensure that the stateful load is called only once the one time it is # called is from the `con` input, which *should* work across processes spy.assert_not_called() From cab8d7d970f039eb6a2ba82737531eceacf3d5ab Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 21 Mar 2026 15:41:29 +0400 Subject: [PATCH 12/14] fix: pre-commit --- ibis/backends/tests/test_client.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ibis/backends/tests/test_client.py b/ibis/backends/tests/test_client.py index 1e75471d9dde..c686f240c767 100644 --- a/ibis/backends/tests/test_client.py +++ b/ibis/backends/tests/test_client.py @@ -2029,9 +2029,9 @@ def test_stateful_data_is_loaded_once( spy = mocker.spy(TestConf, "stateless_load") - instances = [] - for _ in range(5): - instances.append(TestConf.load_data(data_dir, tmp_path_factory, worker_id)) + instances = [ + TestConf.load_data(data_dir, tmp_path_factory, worker_id) for _ in range(5) + ] # also verify that it's been called once, by checking that there's at least # one table From 054243d4c607bd6f005e4010ed13f586e58503c6 Mon Sep 17 00:00:00 2001 From: tokoko Date: Sat, 21 Mar 2026 19:17:28 +0400 Subject: [PATCH 13/14] fix: skip warning check for a single test --- ibis/backends/tests/test_client.py | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/ibis/backends/tests/test_client.py b/ibis/backends/tests/test_client.py index c686f240c767..e8cb2dd5db27 100644 --- a/ibis/backends/tests/test_client.py +++ b/ibis/backends/tests/test_client.py @@ -2020,6 +2020,7 @@ def test_memtable_registered_exactly_once(con, mocker): spy.assert_called_once_with(t.op()) +@pytest.mark.filterwarnings("ignore::ResourceWarning") def test_stateful_data_is_loaded_once( con, data_dir, tmp_path_factory, worker_id, mocker ): @@ -2029,18 +2030,13 @@ def test_stateful_data_is_loaded_once( spy = mocker.spy(TestConf, "stateless_load") - instances = [ - TestConf.load_data(data_dir, tmp_path_factory, worker_id) for _ in range(5) - ] + for _ in range(5): + TestConf.load_data(data_dir, tmp_path_factory, worker_id) # also verify that it's been called once, by checking that there's at least # one table assert con.list_tables() - # clean up connections after assertions to avoid resource leaks - for inst in instances: - inst.__exit__(None, None, None) - # Ensure that the stateful load is called only once the one time it is # called is from the `con` input, which *should* work across processes spy.assert_not_called() From dd1c3b33586ad448417e96345dc23da2d1501c1d Mon Sep 17 00:00:00 2001 From: tokoko Date: Sun, 22 Mar 2026 17:27:35 +0400 Subject: [PATCH 14/14] feat: move metadata queries to adbc api --- ibis/backends/mysql/__init__.py | 181 ++++++++--------------- ibis/backends/mysql/tests/test_client.py | 26 +++- ibis/backends/tests/test_aggregation.py | 6 + ibis/backends/tests/test_client.py | 12 ++ ibis/backends/tests/test_export.py | 26 ++++ ibis/backends/tests/test_generic.py | 15 ++ ibis/backends/tests/test_interactive.py | 21 +++ ibis/backends/tests/test_join.py | 33 ++++- ibis/backends/tests/test_window.py | 6 + 9 files changed, 205 insertions(+), 121 deletions(-) diff --git a/ibis/backends/mysql/__init__.py b/ibis/backends/mysql/__init__.py index 3064a5220704..d16b42a8a79c 100644 --- a/ibis/backends/mysql/__init__.py +++ b/ibis/backends/mysql/__init__.py @@ -28,7 +28,7 @@ SupportsTempTables, ) from ibis.backends.sql import SQLBackend -from ibis.backends.sql.compilers.base import TRUE, C, RenameTable +from ibis.backends.sql.compilers.base import RenameTable if TYPE_CHECKING: from collections.abc import Mapping @@ -188,61 +188,61 @@ def current_database(self) -> str: def list_databases(self, *, like: str | None = None) -> list[str]: # In MySQL, "database" and "schema" are synonymous - with self.con.cursor() as cur: - cur.execute("SHOW DATABASES") - table = cur.fetch_arrow_table() - databases = table.column(0).to_pylist() + result = self.con.adbc_get_objects(depth="catalogs").read_all() + databases = result.column("catalog_name").to_pylist() return self._filter_with_like(databases, like) - def _schema_from_describe(self, result) -> sch.Schema: - type_mapper = self.compiler.type_mapper + @staticmethod + def _schema_from_adbc_execute_schema(pyarrow_schema) -> sch.Schema: + from ibis.formats.pyarrow import PyArrowType + fields = {} - for i in range(result.num_rows): - col_name = result.column(0)[i].as_py() - type_string = result.column(1)[i].as_py() - is_nullable = result.column(2)[i].as_py() - fields[col_name] = type_mapper.from_string( - type_string, nullable=is_nullable == "YES" - ) + for field in pyarrow_schema: + meta = {k.decode(): v.decode() for k, v in (field.metadata or {}).items()} + db_type = meta.get("sql.database_type_name", "") + + if db_type.startswith("UNSIGNED"): + base = db_type.removeprefix("UNSIGNED ").lower() + fields[field.name] = sc.mysql.MySQLType.from_string( + f"{base} unsigned", nullable=field.nullable + ) + elif db_type == "DECIMAL": + p = int(meta["sql.precision"]) + s = int(meta["sql.scale"]) + fields[field.name] = dt.Decimal(p, s, nullable=field.nullable) + elif db_type in ("DATETIME", "TIMESTAMP"): + scale = int(meta.get("sql.fractional_seconds_precision", 0)) + tz = "UTC" if db_type == "TIMESTAMP" else None + fields[field.name] = dt.Timestamp( + timezone=tz, scale=scale or None, nullable=field.nullable + ) + elif db_type == "YEAR": + fields[field.name] = dt.UInt8(nullable=field.nullable) + elif db_type == "SET": + fields[field.name] = dt.Array(dt.string, nullable=field.nullable) + else: + fields[field.name] = PyArrowType.to_ibis(field.type, field.nullable) + return sch.Schema(fields) def _get_schema_using_query(self, query: str) -> sch.Schema: - tmp_name = util.gen_name("mysql_schema") - quoted_tmp = sg.to_identifier(tmp_name, quoted=self.compiler.quoted).sql( - self.dialect - ) - create_sql = f"CREATE TEMPORARY TABLE {quoted_tmp} AS SELECT * FROM ({query}) AS _t LIMIT 0" # noqa: S608 - describe_sql = f"DESCRIBE {quoted_tmp}" - drop_sql = f"DROP TEMPORARY TABLE IF EXISTS {quoted_tmp}" - with self.con.cursor() as cur: - try: - cur.execute(create_sql) - cur.execute(describe_sql) - result = cur.fetch_arrow_table() - finally: - cur.execute(drop_sql) - - return self._schema_from_describe(result) + pyarrow_schema = cur.adbc_execute_schema(str(query)) + return self._schema_from_adbc_execute_schema(pyarrow_schema) def get_schema( self, name: str, *, catalog: str | None = None, database: str | None = None ) -> sch.Schema: table = sg.table( name, db=database, catalog=catalog, quoted=self.compiler.quoted - ).sql(self.dialect) - - describe_sql = sge.Describe(this=table).sql(self.dialect) - with self.con.cursor() as cur: - try: - cur.execute(describe_sql) - result = cur.fetch_arrow_table() - except Exception as e: - if getattr(e, "sqlstate", None) == "42S02": - raise com.TableNotFound(name) from e - raise - - return self._schema_from_describe(result) + ) + query = sg.select("*").from_(table).sql(self.dialect) + try: + return self._get_schema_using_query(query) + except Exception as e: + if getattr(e, "sqlstate", None) == "42S02": + raise com.TableNotFound(name) from e + raise def create_database(self, name: str, force: bool = False) -> None: sql = sge.Create( @@ -294,35 +294,24 @@ def list_tables( ) -> list[str]: if database is not None: table_loc = self._to_sqlglot_table(database) + # In MySQL, catalog and db are both "database" + catalog = table_loc.catalog or table_loc.db else: - table_loc = sge.Table( - db=sg.to_identifier(self.current_database, quoted=self.compiler.quoted), - catalog=None, - ) - - conditions = [TRUE] - - if (sg_cat := table_loc.args["catalog"]) is not None: - sg_cat.args["quoted"] = False - if (sg_db := table_loc.args["db"]) is not None: - sg_db.args["quoted"] = False - if table_loc.catalog or table_loc.db: - conditions = [C.table_schema.eq(sge.convert(table_loc.sql(self.name)))] - - col = "table_name" - sql = ( - sg.select(col) - .from_(sg.table("tables", db="information_schema")) - .distinct() - .where(*conditions) - .sql(self.name) - ) - - with self.con.cursor() as cur: - cur.execute(sql) - table = cur.fetch_arrow_table() + catalog = self.current_database + + result = self.con.adbc_get_objects( + depth="tables", catalog_filter=catalog + ).read_all() + catalogs = result.to_pydict() + tables = [ + table["table_name"] + for schemas in catalogs.get("catalog_db_schemas", []) + if schemas is not None + for schema in schemas + for table in schema.get("db_schema_tables") or [] + ] - return self._filter_with_like(table.column(0).to_pylist(), like) + return self._filter_with_like(tables, like) def execute( self, @@ -353,14 +342,11 @@ def execute( sql = self.compile(table, limit=limit, params=params, **kwargs) schema = table.schema() - target_schema = schema.to_pyarrow() with self.con.cursor() as cur: cur.execute(sql) arrow_table = cur.fetch_arrow_table() - arrow_table = self._cast_adbc_table(arrow_table, target_schema) - import pandas as pd from ibis.formats.pandas import PandasData @@ -456,11 +442,9 @@ def create_table( def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: schema = op.schema if null_columns := schema.null_fields: - schema = ibis.schema( - { - name: dt.string if name in null_columns else typ - for name, typ in schema.items() - } + raise com.IbisTypeError( + "MySQL cannot yet reliably handle `null` typed columns; " + f"got null typed columns: {null_columns}" ) arrow_table = op.data.to_pyarrow(schema) @@ -468,43 +452,6 @@ def _register_in_memory_table(self, op: ops.InMemoryTable) -> None: with self.con.cursor() as cur: cur.adbc_ingest(op.name, arrow_table, mode="create", temporary=True) - @staticmethod - def _cast_adbc_column(col, target_type): - """Cast a single ADBC-returned Arrow column to the target type. - - The ADBC MySQL driver returns opaque extension types for NULL columns - that PyArrow cannot cast directly. - """ - import pyarrow as pa - - if target_type == pa.null(): - return pa.nulls(len(col)) - return col - - @classmethod - def _cast_adbc_table(cls, table, target_schema): - """Cast an ADBC-returned Arrow Table to match the target schema.""" - import pyarrow as pa - - columns = [ - cls._cast_adbc_column(table.column(i), field.type) - for i, field in enumerate(target_schema) - ] - return pa.table( - dict(zip(target_schema.names, columns)), - ) - - @classmethod - def _cast_adbc_batch(cls, batch, target_schema): - """Cast an ADBC-returned Arrow RecordBatch to match the target schema.""" - import pyarrow as pa - - columns = [ - cls._cast_adbc_column(batch.column(i), field.type) - for i, field in enumerate(target_schema) - ] - return pa.record_batch(columns, schema=target_schema) - @util.experimental def to_pyarrow_batches( self, @@ -530,9 +477,7 @@ def to_pyarrow_batches( def batch_producer(): try: for batch in reader: - yield self._cast_adbc_batch( - batch.rename_columns(target_schema.names), target_schema - ) + yield batch.rename_columns(target_schema.names) finally: cur.close() diff --git a/ibis/backends/mysql/tests/test_client.py b/ibis/backends/mysql/tests/test_client.py index f6ca39117716..d7a75b38d64b 100644 --- a/ibis/backends/mysql/tests/test_client.py +++ b/ibis/backends/mysql/tests/test_client.py @@ -79,8 +79,23 @@ ] +_ADBC_EXECUTE_SCHEMA_XFAILS = { + # ADBC driver reports uuid/inet6 as CHAR, no way to distinguish + "uuid", + "inet", + # ADBC driver doesn't report bit width in metadata + "bit_1", + "bit_9", + "bit_17", + "bit_33", + # Arrow string type cannot represent length + "char", + "varchar", +} + + @pytest.mark.parametrize(("mysql_type", "expected_type"), MYSQL_TYPES) -def test_get_schema_from_query(con, mysql_type, expected_type): +def test_get_schema_from_query(con, mysql_type, expected_type, request): raw_name = ibis.util.guid() name = sg.to_identifier(raw_name, quoted=True).sql("mysql") expected_schema = ibis.schema(dict(x=expected_type)) @@ -91,6 +106,12 @@ def test_get_schema_from_query(con, mysql_type, expected_type): c.execute(f"CREATE TEMPORARY TABLE {name} (x {mysql_type})") result_schema = con._get_schema_using_query(f"SELECT * FROM {name}") + param_id = request.node.callspec.id + if param_id in _ADBC_EXECUTE_SCHEMA_XFAILS: + if result_schema != expected_schema: + pytest.xfail( + reason=f"ADBC execute_schema metadata insufficient for {mysql_type}" + ) assert result_schema == expected_schema t = con.table(raw_name) @@ -115,6 +136,9 @@ def tmp_t(con): c.execute("DROP TABLE IF EXISTS test_schema.t") +@pytest.mark.xfail( + reason="ADBC driver reports MariaDB inet6 as CHAR", +) def test_get_schema_from_query_other_schema(con, tmp_t): t = con.table(tmp_t, database="test_schema") assert t.schema() == ibis.schema({"x": dt.inet}) diff --git a/ibis/backends/tests/test_aggregation.py b/ibis/backends/tests/test_aggregation.py index 71c85d68a888..bef645bc33ee 100644 --- a/ibis/backends/tests/test_aggregation.py +++ b/ibis/backends/tests/test_aggregation.py @@ -13,6 +13,7 @@ from ibis import _ from ibis import literal as L from ibis.backends.tests.errors import ( + ArrowInvalid, ClickHouseDatabaseError, DatabricksServerOperationError, ExaQueryError, @@ -1841,6 +1842,11 @@ def test_group_by_scalar(alltypes, df, value): assert n == len(df) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_empty_sum(con): t = ibis.memtable({"x": [1]}, schema={"x": "int"}) result = con.execute(t.count()) diff --git a/ibis/backends/tests/test_client.py b/ibis/backends/tests/test_client.py index e8cb2dd5db27..c1d6aef622af 100644 --- a/ibis/backends/tests/test_client.py +++ b/ibis/backends/tests/test_client.py @@ -27,6 +27,7 @@ from ibis.backends.conftest import ALL_BACKENDS from ibis.backends.tests.conftest import NO_MERGE_SUPPORT from ibis.backends.tests.errors import ( + ArrowInvalid, ArrowTypeError, DatabricksServerOperationError, ExaQueryError, @@ -1317,6 +1318,11 @@ def test_interactive_repr_show_types(alltypes, show_types, monkeypatch): @pytest.mark.parametrize("is_jupyter", [True, False]) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_interactive_repr_max_columns(alltypes, is_jupyter, monkeypatch): pytest.importorskip("rich") @@ -1984,6 +1990,12 @@ def test_insert_into_table_missing_columns(con, temp_table): reason="Memtables not visible in list_tables() due to transaction block restrictions.", # Related to: https://materialize.com/docs/sql/begin/ ) +@pytest.mark.notyet( + ["mysql"], + raises=AssertionError, + reason="ADBC get_objects doesn't see temporary tables", + # https://github.com/adbc-drivers/driverbase-go/issues/137 +) def test_memtable_cleanup(con): t = ibis.memtable({"a": [1, 2, 3], "b": list("def")}) diff --git a/ibis/backends/tests/test_export.py b/ibis/backends/tests/test_export.py index 625369d5382d..4d1adf540409 100644 --- a/ibis/backends/tests/test_export.py +++ b/ibis/backends/tests/test_export.py @@ -104,6 +104,11 @@ def test_empty_column_to_pyarrow(limit, awards_players): @pytest.mark.parametrize("limit", no_limit) +@pytest.mark.notyet( + ["mysql"], + raises=pa.ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_empty_scalar_to_pyarrow(limit, awards_players): expr = awards_players.filter(awards_players.awardID == "DEADBEEF").yearID.sum() array = expr.to_pyarrow(limit=limit) @@ -111,6 +116,11 @@ def test_empty_scalar_to_pyarrow(limit, awards_players): @pytest.mark.parametrize("limit", no_limit) +@pytest.mark.notyet( + ["mysql"], + raises=pa.ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_scalar_to_pyarrow_scalar(limit, awards_players): scalar = awards_players.yearID.sum().to_pyarrow(limit=limit) assert isinstance(scalar, pa.Scalar) @@ -540,6 +550,11 @@ def test_roundtrip_delta(backend, con, alltypes, tmp_path, monkeypatch): ["databricks"], raises=AssertionError, reason="Only the devil knows" ) @pytest.mark.notyet(["athena"], raises=PyAthenaOperationalError) +@pytest.mark.notyet( + ["mysql"], + raises=pa.ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_arrow_timestamp_with_time_zone(alltypes): from ibis.formats.pyarrow import PyArrowType @@ -707,6 +722,7 @@ def test_scalar_to_memory(limit, awards_players, output_format, converter): "impala", "materialize", "mssql", + "mysql", "singlestoredb", "oracle", "postgres", @@ -745,12 +761,22 @@ def test_all_null_column(con): ["snowflake", "bigquery", "databricks"], raises=pa.ArrowNotImplementedError ) @pytest.mark.notyet(["athena"], raises=PyAthenaOperationalError) +@pytest.mark.notyet( + ["mysql"], + raises=pa.ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_all_null_scalar(con): e = ibis.literal(None) result = con.to_pyarrow(e) assert pat.is_null(result.type) +@pytest.mark.notyet( + ["mysql"], + raises=pa.ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_cast_non_null(con): new_ids = ibis.memtable({"id": ["my_id"]}).cast({"id": "!string"}) assert not new_ids.schema()["id"].nullable diff --git a/ibis/backends/tests/test_generic.py b/ibis/backends/tests/test_generic.py index f5a234b67f4e..c9d73b9d9c9a 100644 --- a/ibis/backends/tests/test_generic.py +++ b/ibis/backends/tests/test_generic.py @@ -1113,6 +1113,11 @@ def test_between(backend, alltypes, df): @pytest.mark.notyet(["flink"], reason="timestamp subtraction doesn't work") +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_interactive(alltypes, monkeypatch): monkeypatch.setattr(ibis.options, "interactive", True) @@ -1202,6 +1207,11 @@ def test_typeof(con): raises=PyODBCProgrammingError, reason="naked IN queries are not supported", ) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_isin_uncorrelated_simple(con): u1 = ibis.memtable({"id": [1, 2, 3]}) a = ibis.memtable({"id": [1, 2]}) @@ -2636,6 +2646,11 @@ def test_select_sort_sort_deferred(backend, alltypes, df): raises=AttributeError, reason="not yet added the data for this backend", ) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_topk_counts_null(con): t = con.tables.topk tk = t.x.topk(10) diff --git a/ibis/backends/tests/test_interactive.py b/ibis/backends/tests/test_interactive.py index 1488f9684e82..3ad83d02ba1b 100644 --- a/ibis/backends/tests/test_interactive.py +++ b/ibis/backends/tests/test_interactive.py @@ -19,6 +19,7 @@ import ibis import ibis.common.exceptions as exc +from ibis.backends.tests.errors import ArrowInvalid @pytest.fixture @@ -36,6 +37,11 @@ def table(backend): @pytest.mark.notimpl(["polars"]) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_interactive_execute_on_repr(table, queries): repr(table.bigint_col.sum()) assert len(queries) >= 1 @@ -56,6 +62,11 @@ def test_repr_png_is_not_none_in_not_interactive(table, monkeypatch): @pytest.mark.notimpl(["polars"]) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_default_limit(table, queries): repr(table.select("id", "bool_col")) @@ -63,6 +74,11 @@ def test_default_limit(table, queries): @pytest.mark.notimpl(["polars"]) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_respect_set_limit(table, queries): repr(table.select("id", "bool_col").limit(10)) @@ -70,6 +86,11 @@ def test_respect_set_limit(table, queries): @pytest.mark.notimpl(["polars"]) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_disable_query_limit(table, queries, monkeypatch): assert ibis.options.sql.default_limit is None diff --git a/ibis/backends/tests/test_join.py b/ibis/backends/tests/test_join.py index 46d71d3bc737..8f5c9e6b701b 100644 --- a/ibis/backends/tests/test_join.py +++ b/ibis/backends/tests/test_join.py @@ -9,6 +9,7 @@ import ibis import ibis.common.exceptions as com import ibis.expr.schema as sch +from ibis.backends.tests.errors import ArrowInvalid np = pytest.importorskip("numpy") pa = pytest.importorskip("pyarrow") @@ -289,6 +290,13 @@ def test_join_with_trivial_predicate(awards_players, predicate, how, pandas_valu lambda left: left.filter(lambda t: t.x == 1).select(y=lambda t: t.x), [("x", "y")], id="left-xy", + marks=[ + pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", + ), + ], ), param( "left", @@ -296,6 +304,13 @@ def test_join_with_trivial_predicate(awards_players, predicate, how, pandas_valu lambda left: left.filter(lambda t: t.x == 1), "x", id="left-x", + marks=[ + pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", + ), + ], ), param( "right", @@ -303,7 +318,14 @@ def test_join_with_trivial_predicate(awards_players, predicate, how, pandas_valu lambda left: left.filter(lambda t: t.x == 1).select(y=lambda t: t.x), [("x", "y")], id="right-xy", - marks=[sqlite_right_or_full_mark], + marks=[ + sqlite_right_or_full_mark, + pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", + ), + ], ), param( "right", @@ -311,7 +333,14 @@ def test_join_with_trivial_predicate(awards_players, predicate, how, pandas_valu lambda left: left.filter(lambda t: t.x == 1), "x", id="right-x", - marks=[sqlite_right_or_full_mark], + marks=[ + sqlite_right_or_full_mark, + pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", + ), + ], ), param( "outer", diff --git a/ibis/backends/tests/test_window.py b/ibis/backends/tests/test_window.py index 8dc0ea2bf20e..6e27544a3e28 100644 --- a/ibis/backends/tests/test_window.py +++ b/ibis/backends/tests/test_window.py @@ -10,6 +10,7 @@ import ibis.common.exceptions as com import ibis.expr.datatypes as dt from ibis.backends.tests.errors import ( + ArrowInvalid, ClickHouseDatabaseError, GoogleBadRequest, ImpalaHiveServer2Error, @@ -1299,6 +1300,11 @@ def test_windowed_order_by_sequence_is_preserved(con): raises=PsycoPg2InternalError, reason="Window function with empty PARTITION BY is not supported due to performance issues", ) +@pytest.mark.notyet( + ["mysql"], + raises=ArrowInvalid, + reason="ADBC MySQL driver returns opaque type for NULL", +) def test_duplicate_ordered_sum(con): expr = ( ibis.memtable(