Fix statistics schema µs precision auto repair being ineffective (#89902)

If a user manually migrated their database to MySQL or PostgresSQL
and incorrectly created the timestamp columns as float we would
fail to correct them to double because when we migrated to use
timestamps for the columns I missed that we needed to change the
columns and types for µs precision

homeassistant/components/recorder/statistics.py

@@ -2590,8 +2590,8 @@ def _validate_db_schema(
         for column in columns:
             if stored[column] != expected[column]:
                 schema_errors.add(f"{table_name}.{supports}")
-                _LOGGER.debug(
-                    "Column %s in database table %s does not support %s (%s != %s)",
+                _LOGGER.error(
+                    "Column %s in database table %s does not support %s (stored=%s != expected=%s)",
                     column,
                     table_name,
                     supports,
@@ -2727,18 +2727,14 @@ def correct_db_schema(
                 ],
             )
         if f"{table.__tablename__}.µs precision" in schema_errors:
-            # Attempt to convert datetime columns to µs precision
-            if instance.dialect_name == SupportedDialect.MYSQL:
-                datetime_type = "DATETIME(6)"
-            else:
-                datetime_type = "TIMESTAMP(6) WITH TIME ZONE"
+            # Attempt to convert timestamp columns to µs precision
             _modify_columns(
                 session_maker,
                 engine,
                 table.__tablename__,
                 [
-                    f"last_reset {datetime_type}",
-                    f"start {datetime_type}",
+                    "last_reset_ts DOUBLE PRECISION",
+                    "start_ts DOUBLE PRECISION",
                 ],
             )
 

tests/components/recorder/test_statistics.py

@@ -1687,12 +1687,12 @@ async def test_validate_db_schema_fix_float_issue(
 @pytest.mark.parametrize(
     ("db_engine", "modification"),
     (
-        ("mysql", ["last_reset DATETIME(6)", "start DATETIME(6)"]),
+        ("mysql", ["last_reset_ts DOUBLE PRECISION", "start_ts DOUBLE PRECISION"]),
         (
             "postgresql",
             [
-                "last_reset TIMESTAMP(6) WITH TIME ZONE",
-                "start TIMESTAMP(6) WITH TIME ZONE",
+                "last_reset_ts DOUBLE PRECISION",
+                "start_ts DOUBLE PRECISION",
             ],
         ),
     ),