A R R R Associates
59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
"""Expand AQMM references from VARCHAR(120) to TEXT.
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Revision ID: 20260919_aqmm_ref_text
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Revises: 20260919_task_inheritance
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "20260919_aqmm_ref_text"
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down_revision = "20260919_task_inheritance"
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branch_labels = None
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depends_on = None
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_TABLES = (
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"service_default_task_templates",
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"firm_service_task_templates",
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"client_service_task_instances",
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)
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def upgrade() -> None:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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existing_tables = set(inspector.get_table_names())
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for table_name in _TABLES:
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if table_name not in existing_tables:
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continue
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columns = {col["name"]: col for col in inspector.get_columns(table_name)}
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if "aqmm_reference" not in columns:
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continue
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with op.batch_alter_table(table_name) as batch:
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batch.alter_column(
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"aqmm_reference",
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existing_type=sa.String(length=120),
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type_=sa.Text(),
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existing_nullable=True,
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)
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def downgrade() -> None:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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existing_tables = set(inspector.get_table_names())
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for table_name in reversed(_TABLES):
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if table_name not in existing_tables:
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continue
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columns = {col["name"]: col for col in inspector.get_columns(table_name)}
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if "aqmm_reference" not in columns:
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continue
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with op.batch_alter_table(table_name) as batch:
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batch.alter_column(
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"aqmm_reference",
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existing_type=sa.Text(),
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type_=sa.String(length=120),
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existing_nullable=True,
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)
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