Add unique constraints to tables

src/backend/langflow/alembic/versions/006b3990db50_add_unique_constraints.py

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+"""Add unique constraints
+
+Revision ID: 006b3990db50
+Revises: 1ef9c4f3765d
+Create Date: 2023-12-13 18:55:52.587360
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel
+
+
+# revision identifiers, used by Alembic.
+revision: str = '006b3990db50'
+down_revision: Union[str, None] = '1ef9c4f3765d'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('apikey', schema=None) as batch_op:
+        batch_op.create_unique_constraint(None, ['id'])
+
+    with op.batch_alter_table('flow', schema=None) as batch_op:
+        batch_op.create_unique_constraint(None, ['id'])
+
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.create_unique_constraint(None, ['id'])
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='unique')
+
+    with op.batch_alter_table('flow', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='unique')
+
+    with op.batch_alter_table('apikey', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='unique')
+
+    # ### end Alembic commands ###