73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
"""Create the distributed alias-lock and compensating-rollback saga log."""
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from __future__ import annotations
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import sqlalchemy as sa
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from alembic import op
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revision = "0011_index_operations"
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down_revision = "0010_citations"
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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.execute(sa.text("CREATE SCHEMA IF NOT EXISTS indexes"))
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op.create_table(
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"index_build_operations",
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sa.Column("id", sa.Uuid(), primary_key=True),
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sa.Column("alias_name", sa.String(128), nullable=False),
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sa.Column("operation", sa.String(32), nullable=False),
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sa.Column("status", sa.String(32), nullable=False),
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sa.Column("owner_token", sa.String(64), nullable=False),
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sa.Column("collection_name", sa.String(128), nullable=False),
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sa.Column("previous_collection", sa.String(128), nullable=True),
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sa.Column(
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"steps",
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sa.JSON(),
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nullable=False,
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server_default=sa.text("'[]'"),
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),
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sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("lease_until", sa.DateTime(timezone=True), nullable=False),
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sa.Column("finished_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("error_code", sa.String(128), nullable=True),
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sa.Column(
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"error_details",
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sa.JSON(),
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nullable=False,
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server_default=sa.text("'{}'"),
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),
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sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
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schema="indexes",
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)
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op.create_index(
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"ux_indexes_operations_active_alias",
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"index_build_operations",
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["alias_name"],
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unique=True,
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schema="indexes",
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postgresql_where=sa.text("status = 'in_progress'"),
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)
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op.create_index(
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"ix_indexes_operations_alias_started",
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"index_build_operations",
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["alias_name", "started_at"],
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schema="indexes",
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)
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def downgrade() -> None:
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op.drop_index(
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"ix_indexes_operations_alias_started",
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table_name="index_build_operations",
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schema="indexes",
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)
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op.drop_index(
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"ux_indexes_operations_active_alias",
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table_name="index_build_operations",
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schema="indexes",
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)
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op.drop_table("index_build_operations", schema="indexes")
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op.execute(sa.text("DROP SCHEMA IF EXISTS indexes"))
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