chore(backends): mark from_connection experimental

ibis/backends/bigquery/__init__.py

@@ -478,6 +478,7 @@ def do_connect(
 
         self.partition_column = partition_column
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls,

ibis/backends/clickhouse/__init__.py

@@ -163,6 +163,7 @@ def do_connect(
             **kwargs,
         )
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: cc.driver.Client) -> Backend:
         """Create an Ibis client from an existing ClickHouse Connect Client instance.

ibis/backends/datafusion/__init__.py

@@ -20,6 +20,7 @@
 import ibis.expr.operations as ops
 import ibis.expr.schema as sch
 import ibis.expr.types as ir
+from ibis import util
 from ibis.backends import CanCreateCatalog, CanCreateDatabase, CanCreateSchema, NoUrl
 from ibis.backends.sql import SQLBackend
 from ibis.backends.sql.compilers import DataFusionCompiler
@@ -114,6 +115,7 @@ def do_connect(
         for name, path in config.items():
             self.register(path, table_name=name)
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: SessionContext) -> Backend:
         """Create a DataFusion `Backend` from an existing `SessionContext` instance.

ibis/backends/druid/__init__.py

@@ -12,6 +12,7 @@
 
 import ibis.expr.datatypes as dt
 import ibis.expr.schema as sch
+from ibis import util
 from ibis.backends.sql import SQLBackend
 from ibis.backends.sql.compilers import DruidCompiler
 from ibis.backends.sql.compilers.base import STAR
@@ -81,6 +82,7 @@ def do_connect(self, **kwargs: Any) -> None:
         header = kwargs.pop("header", True)
         self.con = pydruid.db.connect(**kwargs, header=header)
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: pydruid.db.api.Connection) -> Backend:
         """Create an Ibis client from an existing connection to a Druid database.

ibis/backends/duckdb/__init__.py

@@ -475,6 +475,7 @@ def do_connect(
 
         self._post_connect(extensions)
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls,

ibis/backends/exasol/__init__.py

@@ -99,6 +99,7 @@ def do_connect(
         )
         self._post_connect(timezone)
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls, con: pyexasol.ExaConnection, timezone: str | None = None

ibis/backends/flink/__init__.py

@@ -11,6 +11,7 @@
 import ibis.expr.operations as ops
 import ibis.expr.schema as sch
 import ibis.expr.types as ir
+from ibis import util
 from ibis.backends import CanCreateDatabase, NoUrl
 from ibis.backends.flink.ddl import (
     CreateDatabase,
@@ -71,6 +72,7 @@ def do_connect(self, table_env: TableEnvironment) -> None:
         """
         self._table_env = table_env
 
+    @util.experimental
     @classmethod
     def from_connection(cls, table_env: TableEnvironment) -> Backend:
         """Create a Flink `Backend` from an existing table environment.

ibis/backends/impala/__init__.py

@@ -186,6 +186,7 @@ def do_connect(
         self.con = con
         self._post_connect()
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: hs2.HiveServer2Connection) -> Backend:
         """Create an Impala `Backend` from an existing HS2 connection.

ibis/backends/mssql/__init__.py

@@ -123,6 +123,7 @@ def do_connect(
 
         self._post_connect()
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: pyodbc.Connection) -> Backend:
         """Create an Ibis client from an existing connection to a MSSQL database.

ibis/backends/mysql/__init__.py

@@ -164,6 +164,7 @@ def do_connect(
 
         self._post_connect()
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: pymysql.Connection) -> Backend:
         """Create an Ibis client from an existing connection to a MySQL database.

ibis/backends/oracle/__init__.py

@@ -156,6 +156,7 @@ def do_connect(
 
         self._post_connect()
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: oracledb.Connection) -> Backend:
         """Create an Ibis client from an existing connection to an Oracle database.

ibis/backends/postgres/__init__.py

@@ -283,6 +283,7 @@ def do_connect(
 
         self._post_connect()
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: psycopg2.extensions.connection) -> Backend:
         """Create an Ibis client from an existing connection to a PostgreSQL database.

ibis/backends/pyspark/__init__.py

@@ -185,6 +185,7 @@ def do_connect(
         for key, value in kwargs.items():
             self._session.conf.set(key, value)
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls, session: SparkSession, mode: ConnectionMode = "batch", **kwargs

ibis/backends/snowflake/__init__.py

@@ -326,6 +326,7 @@ def from_snowpark(
             )
         return backend
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls,

ibis/backends/sql/__init__.py

@@ -549,6 +549,7 @@ def truncate_table(
         with self._safe_raw_sql(f"TRUNCATE TABLE {ident}"):
             pass
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: Any, **kwargs: Any) -> BaseBackend:
         """Create an Ibis client from an existing connection.

ibis/backends/sqlite/__init__.py

@@ -88,6 +88,7 @@ def do_connect(
 
         self._post_connect(type_map)
 
+    @util.experimental
     @classmethod
     def from_connection(
         cls,

ibis/backends/trino/__init__.py

@@ -325,6 +325,7 @@ def do_connect(
             **kwargs,
         )
 
+    @util.experimental
     @classmethod
     def from_connection(cls, con: trino.dbapi.Connection) -> Backend:
         """Create an Ibis client from an existing connection to a Trino database.