dify

dify/api/migrations/versions/89c7899ca936_.py

@@ -0,0 +1,61 @@
+"""empty message
+
+Revision ID: 89c7899ca936
+Revises: 187385f442fc
+Create Date: 2024-01-21 04:10:23.192853
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+import models.types
+
+
+def _is_pg(conn):
+    return conn.dialect.name == "postgresql"
+
+# revision identifiers, used by Alembic.
+revision = '89c7899ca936'
+down_revision = '187385f442fc'
+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('sites', schema=None) as batch_op:
+            batch_op.alter_column('description',
+                   existing_type=sa.VARCHAR(length=255),
+                   type_=sa.Text(),
+                   existing_nullable=True)
+    else:
+        with op.batch_alter_table('sites', schema=None) as batch_op:
+            batch_op.alter_column('description',
+                   existing_type=sa.VARCHAR(length=255),
+                   type_=models.types.LongText(),
+                   existing_nullable=True)
+
+    # ### 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('sites', schema=None) as batch_op:
+            batch_op.alter_column('description',
+                   existing_type=sa.Text(),
+                   type_=sa.VARCHAR(length=255),
+                   existing_nullable=True)
+    else:
+        with op.batch_alter_table('sites', schema=None) as batch_op:
+            batch_op.alter_column('description',
+                   existing_type=models.types.LongText(),
+                   type_=sa.VARCHAR(length=255),
+                   existing_nullable=True)
+
+    # ### end Alembic commands ###