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jonathangreenjonathangreen
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Add database migration
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‎alembic/versions/20241127_e3ba1f29c1c4_update_database_nullable_constraints.py

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"""Update database nullable constraints
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Revision ID: e3ba1f29c1c4
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Revises: 272da5f400de
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Create Date: 2024-11-27 15:55:09.495649+00:00
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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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# revision identifiers, used by Alembic.
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revision = "e3ba1f29c1c4"
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down_revision = "272da5f400de"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.alter_column(
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"classifications", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"coveragerecords", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"credentials", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"customlists", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"customlists", "auto_update_enabled", existing_type=sa.BOOLEAN(), nullable=False
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)
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op.alter_column("datasources", "name", existing_type=sa.VARCHAR(), nullable=False)
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op.alter_column(
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"editions", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"editions", "primary_identifier_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"equivalents", "input_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"equivalents", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"equivalents",
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"strength",
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existing_type=postgresql.DOUBLE_PRECISION(precision=53),
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nullable=False,
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)
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op.alter_column(
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"equivalentscoveragerecords",
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"equivalency_id",
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existing_type=sa.INTEGER(),
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nullable=False,
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)
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op.alter_column("holds", "patron_id", existing_type=sa.INTEGER(), nullable=False)
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op.alter_column(
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"holds", "license_pool_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column("libraries", "name", existing_type=sa.VARCHAR(), nullable=False)
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op.alter_column(
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"licensepools", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"licensepools", "identifier_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"licenses", "license_pool_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column("loans", "patron_id", existing_type=sa.INTEGER(), nullable=False)
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op.alter_column(
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"loans", "license_pool_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"resources", "data_source_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column(
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"workgenres", "genre_id", existing_type=sa.INTEGER(), nullable=False
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)
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op.alter_column("workgenres", "work_id", existing_type=sa.INTEGER(), nullable=False)
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def downgrade() -> None:
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op.alter_column("workgenres", "work_id", existing_type=sa.INTEGER(), nullable=True)
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op.alter_column("workgenres", "genre_id", existing_type=sa.INTEGER(), nullable=True)
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op.alter_column(
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"resources", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"loans", "license_pool_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column("loans", "patron_id", existing_type=sa.INTEGER(), nullable=True)
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op.alter_column(
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"licenses", "license_pool_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"licensepools", "identifier_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"licensepools", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column("libraries", "name", existing_type=sa.VARCHAR(), nullable=True)
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op.alter_column(
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"holds", "license_pool_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column("holds", "patron_id", existing_type=sa.INTEGER(), nullable=True)
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op.alter_column(
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"equivalentscoveragerecords",
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"equivalency_id",
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existing_type=sa.INTEGER(),
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nullable=True,
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)
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op.alter_column(
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"equivalents",
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"strength",
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existing_type=postgresql.DOUBLE_PRECISION(precision=53),
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nullable=True,
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)
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op.alter_column(
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"equivalents", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"equivalents", "input_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"editions", "primary_identifier_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"editions", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column("datasources", "name", existing_type=sa.VARCHAR(), nullable=True)
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op.alter_column(
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"customlists", "auto_update_enabled", existing_type=sa.BOOLEAN(), nullable=True
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)
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op.alter_column(
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"customlists", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"credentials", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"coveragerecords", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)
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op.alter_column(
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"classifications", "data_source_id", existing_type=sa.INTEGER(), nullable=True
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)

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