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71 changes: 71 additions & 0 deletions core/alembic/versions/02a29087557a_change_pgtype_to_dbtype.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@
"""change pgtype to dbtype

Revision ID: 02a29087557a
Revises: f64b79e16ea0
Create Date: 2026-04-13 17:32:23.885495

"""

from typing import Sequence, Union

from alembic import op


# revision identifiers, used by Alembic.
revision: str = "02a29087557a"
down_revision: Union[str, None] = "f64b79e16ea0"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
op.execute("ALTER TYPE datatype RENAME TO datatype_old")

op.execute("CREATE TYPE datatype AS ENUM ('DBTABLE', 'FILE', 'CUSTOM')")

op.execute(
"""
ALTER TABLE inputoutputs
ALTER COLUMN data_type
TYPE datatype
USING (
CASE
WHEN data_type::text = 'PGTABLE' THEN 'DBTABLE'
WHEN data_type::text = 'FILE' THEN 'FILE'
WHEN data_type::text = 'CUSTOM' THEN 'CUSTOM'
ELSE data_type::text
END
)::datatype
"""
)

# 4. Drop old enum
op.execute("DROP TYPE datatype_old")


def downgrade() -> None:
# 1. Rename current enum
op.execute("ALTER TYPE datatype RENAME TO datatype_new")

# 2. Recreate old enum (lowercase values!)
op.execute("CREATE TYPE datatype AS ENUM ('PGTABLE', 'FILE', 'CUSTOM')")

# 3. Convert column back (MATCH CASE EXACTLY)
op.execute(
"""
ALTER TABLE inputoutputs
ALTER COLUMN data_type
TYPE datatype
USING (
CASE
WHEN data_type::text = 'DBTABLE' THEN 'PGTABLE'
WHEN data_type::text = 'FILE' THEN 'FILE'
WHEN data_type::text = 'CUSTOM' THEN 'CUSTOM'
ELSE data_type::text
END
)::datatype
"""
)

# 4. Drop new enum
op.execute("DROP TYPE datatype_new")
2 changes: 1 addition & 1 deletion core/requirements.txt
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ requests==2.33.1
apache-airflow-client==3.1.8
networkx==3.6.1
Jinja2==3.1.6
scystream-sdk==1.2.2
scystream-sdk==1.4.0
websockets==15.0.1
python-keycloak==5.12.0
boto3==1.42.84
Expand Down
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