dify

dify/api/migrations/versions/53bf8af60645_update_model.py

@@ -0,0 +1,65 @@
+"""update model
+
+Revision ID: 53bf8af60645
+Revises: 8e5588e6412e
+Create Date: 2024-07-24 08:06:55.291031
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+import models as models
+
+
+def _is_pg(conn):
+    return conn.dialect.name == "postgresql"
+
+# revision identifiers, used by Alembic.
+revision = '53bf8af60645'
+down_revision = '8e5588e6412e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    conn = op.get_bind()
+    
+    if _is_pg(conn):
+        with op.batch_alter_table('embeddings', schema=None) as batch_op:
+            batch_op.alter_column('provider_name',
+                   existing_type=sa.VARCHAR(length=40),
+                   type_=sa.String(length=255),
+                   existing_nullable=False,
+                   existing_server_default=sa.text("''::character varying"))
+    else:
+        with op.batch_alter_table('embeddings', schema=None) as batch_op:
+            batch_op.alter_column('provider_name',
+                   existing_type=sa.VARCHAR(length=40),
+                   type_=sa.String(length=255),
+                   existing_nullable=False,
+                   existing_server_default=sa.text("''"))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    conn = op.get_bind()
+    
+    if _is_pg(conn):
+        with op.batch_alter_table('embeddings', schema=None) as batch_op:
+            batch_op.alter_column('provider_name',
+                   existing_type=sa.String(length=255),
+                   type_=sa.VARCHAR(length=40),
+                   existing_nullable=False,
+                   existing_server_default=sa.text("''::character varying"))
+    else:
+        with op.batch_alter_table('embeddings', schema=None) as batch_op:
+            batch_op.alter_column('provider_name',
+                   existing_type=sa.String(length=255),
+                   type_=sa.VARCHAR(length=40),
+                   existing_nullable=False,
+                   existing_server_default=sa.text("''"))
+
+    # ### end Alembic commands ###