Ignore dialects other than postgresql

alembic_postgresql_enum/compare_dispatch.py

@@ -1,3 +1,4 @@
+import logging
 from typing import Iterable, Union
 
 import alembic
@@ -16,6 +17,9 @@
 from alembic_postgresql_enum.get_enum_data import get_defined_enums, get_declared_enums
 
 
+log = logging.getLogger(f"alembic.{__name__}")
+
+
 @alembic.autogenerate.comparators.dispatch_for("schema")
 def compare_enums(
     autogen_context: AutogenContext,
@@ -28,6 +32,12 @@ def compare_enums(
     for each defined enum that has changed new entries when compared to its
     declared version.
     """
+    if autogen_context.dialect.name == "postgresql":
+        log.warning(
+            f"This library only supports postgresql, but you are using {autogen_context.dialect.name}, skipping"
+        )
+        return
+
     add_create_type_false(upgrade_ops)
     add_postgres_using_to_text(upgrade_ops)
 

alembic_postgresql_enum/operations/sync_enum_values.py

@@ -1,3 +1,4 @@
+import logging
 from typing import List, Tuple, Any, Iterable, TYPE_CHECKING
 
 import alembic.autogenerate
@@ -31,6 +32,9 @@
 from alembic_postgresql_enum.get_enum_data import TableReference, ColumnType
 
 
+log = logging.getLogger(f"alembic.{__name__}")
+
+
 @alembic.operations.base.Operations.register_operation("sync_enum_values")
 class SyncEnumValuesOp(alembic.operations.ops.MigrateOperation):
     operation_name = "change_enum_variants"
@@ -138,6 +142,12 @@ def sync_enum_values(
             ]
             If there was server default with old_name it will be renamed accordingly
         """
+        if operations.migration_context.dialect.name != "postgresql":
+            log.warning(
+                f"This library only supports postgresql, but you are using {operations.migration_context.dialect.name}, skipping"
+            )
+            return
+
         enum_values_to_rename = list(enum_values_to_rename)
 
         with get_connection(operations) as connection: