dify

dify/api/migrations/versions/b5429b71023c_messages_columns_set_nullable.py

@@ -0,0 +1,41 @@
+"""messages columns set nullable
+
+Revision ID: b5429b71023c
+Revises: 42e85ed5564d
+Create Date: 2024-03-07 09:52:00.846136
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = 'b5429b71023c'
+down_revision = '42e85ed5564d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('messages', schema=None) as batch_op:
+        batch_op.alter_column('model_provider',
+               existing_type=sa.VARCHAR(length=255),
+               nullable=True)
+        batch_op.alter_column('model_id',
+               existing_type=sa.VARCHAR(length=255),
+               nullable=True)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('messages', schema=None) as batch_op:
+        batch_op.alter_column('model_id',
+               existing_type=sa.VARCHAR(length=255),
+               nullable=False)
+        batch_op.alter_column('model_provider',
+               existing_type=sa.VARCHAR(length=255),
+               nullable=False)
+
+    # ### end Alembic commands ###