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Co-authored-by: -LAN- <laipz8200@outlook.com>
68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
"""add_dataset_collection_binding
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Revision ID: 6e2cfb077b04
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Revises: 77e83833755c
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Create Date: 2023-09-13 22:16:48.027810
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import postgresql
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import models.types
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def _is_pg(conn):
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return conn.dialect.name == "postgresql"
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# revision identifiers, used by Alembic.
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revision = '6e2cfb077b04'
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down_revision = '77e83833755c'
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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conn = op.get_bind()
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if _is_pg(conn):
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op.create_table('dataset_collection_bindings',
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sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
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sa.Column('provider_name', sa.String(length=40), nullable=False),
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sa.Column('model_name', sa.String(length=40), nullable=False),
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sa.Column('collection_name', sa.String(length=64), nullable=False),
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sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP(0)'), nullable=False),
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sa.PrimaryKeyConstraint('id', name='dataset_collection_bindings_pkey')
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)
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else:
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op.create_table('dataset_collection_bindings',
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sa.Column('id', models.types.StringUUID(), nullable=False),
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sa.Column('provider_name', sa.String(length=40), nullable=False),
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sa.Column('model_name', sa.String(length=40), nullable=False),
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sa.Column('collection_name', sa.String(length=64), nullable=False),
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sa.Column('created_at', sa.DateTime(), server_default=sa.func.current_timestamp(), nullable=False),
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sa.PrimaryKeyConstraint('id', name='dataset_collection_bindings_pkey')
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)
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with op.batch_alter_table('dataset_collection_bindings', schema=None) as batch_op:
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batch_op.create_index('provider_model_name_idx', ['provider_name', 'model_name'], unique=False)
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with op.batch_alter_table('datasets', schema=None) as batch_op:
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batch_op.add_column(sa.Column('collection_binding_id', models.types.StringUUID(), nullable=True))
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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with op.batch_alter_table('datasets', schema=None) as batch_op:
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batch_op.drop_column('collection_binding_id')
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with op.batch_alter_table('dataset_collection_bindings', schema=None) as batch_op:
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batch_op.drop_index('provider_model_name_idx')
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op.drop_table('dataset_collection_bindings')
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# ### end Alembic commands ###
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