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108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
"""associate index attempts with ccpair
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Revision ID: 8a87bd6ec550
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Revises: 4ea2c93919c1
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Create Date: 2024-07-22 15:15:52.558451
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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 identifiers, used by Alembic.
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revision = "8a87bd6ec550"
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down_revision = "4ea2c93919c1"
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branch_labels: None = None
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depends_on: None = None
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def upgrade() -> None:
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# Add the new connector_credential_pair_id column
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op.add_column(
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"index_attempt",
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sa.Column("connector_credential_pair_id", sa.Integer(), nullable=True),
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)
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# Create a foreign key constraint to the connector_credential_pair table
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op.create_foreign_key(
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"fk_index_attempt_connector_credential_pair_id",
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"index_attempt",
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"connector_credential_pair",
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["connector_credential_pair_id"],
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["id"],
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)
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# Populate the new connector_credential_pair_id column using existing connector_id and credential_id
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op.execute(
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"""
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UPDATE index_attempt ia
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SET connector_credential_pair_id = (
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SELECT id FROM connector_credential_pair ccp
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WHERE
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(ia.connector_id IS NULL OR ccp.connector_id = ia.connector_id)
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AND (ia.credential_id IS NULL OR ccp.credential_id = ia.credential_id)
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LIMIT 1
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)
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WHERE ia.connector_id IS NOT NULL OR ia.credential_id IS NOT NULL
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"""
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)
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# For good measure
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op.execute(
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"""
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DELETE FROM index_attempt
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WHERE connector_credential_pair_id IS NULL
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"""
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)
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# Make the new connector_credential_pair_id column non-nullable
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op.alter_column("index_attempt", "connector_credential_pair_id", nullable=False)
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# Drop the old connector_id and credential_id columns
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op.drop_column("index_attempt", "connector_id")
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op.drop_column("index_attempt", "credential_id")
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# Update the index to use connector_credential_pair_id
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op.create_index(
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"ix_index_attempt_latest_for_connector_credential_pair",
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"index_attempt",
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["connector_credential_pair_id", "time_created"],
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)
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def downgrade() -> None:
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# Add back the old connector_id and credential_id columns
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op.add_column(
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"index_attempt", sa.Column("connector_id", sa.Integer(), nullable=True)
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)
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op.add_column(
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"index_attempt", sa.Column("credential_id", sa.Integer(), nullable=True)
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)
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# Populate the old connector_id and credential_id columns using the connector_credential_pair_id
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op.execute(
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"""
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UPDATE index_attempt ia
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SET connector_id = ccp.connector_id, credential_id = ccp.credential_id
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FROM connector_credential_pair ccp
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WHERE ia.connector_credential_pair_id = ccp.id
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"""
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)
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# Make the old connector_id and credential_id columns non-nullable
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op.alter_column("index_attempt", "connector_id", nullable=False)
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op.alter_column("index_attempt", "credential_id", nullable=False)
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# Drop the new connector_credential_pair_id column
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op.drop_constraint(
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"fk_index_attempt_connector_credential_pair_id",
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"index_attempt",
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type_="foreignkey",
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)
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op.drop_column("index_attempt", "connector_credential_pair_id")
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op.create_index(
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"ix_index_attempt_latest_for_connector_credential_pair",
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"index_attempt",
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["connector_id", "credential_id", "time_created"],
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)
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