36 lines
870 B
Python
36 lines
870 B
Python
"""add status_details column
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Revision ID: add_status_details
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Revises: add_instances_table
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Create Date: 2024-03-19 11:00:00.000000
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy import text
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# revision identifiers, used by Alembic.
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revision = 'add_status_details'
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down_revision = 'add_instances_table'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Check if column exists before adding
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conn = op.get_bind()
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result = conn.execute(text("""
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SELECT EXISTS (
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SELECT FROM information_schema.columns
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WHERE table_name = 'instances' AND column_name = 'status_details'
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);
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"""))
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exists = result.scalar()
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if not exists:
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op.add_column('instances', sa.Column('status_details', sa.Text(), nullable=True))
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def downgrade():
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op.drop_column('instances', 'status_details') |