53e0065e3e
配置 SSOT（TOML + .env） 统一错误契约 Auth 与事务边界 Redis / Celery 可靠性:业务 Redis（DB/0）与 Celery broker/backend（DB/1）显式拆分；连接池、sync client 可观测性（OpenTelemetry + LGTM）
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
"""memory_sources: segment_id for phase1 ingest idempotency
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Revision ID: 0021_memory_source_segment_id
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Revises: 0020_refresh_rt_lineage
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0021_memory_source_segment_id"
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down_revision: Union[str, None] = "0020_refresh_rt_lineage"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def _column_names(table_name: str) -> set[str]:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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return {column["name"] for column in inspector.get_columns(table_name)}
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def _index_names(table_name: str) -> set[str]:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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return {index["name"] for index in inspector.get_indexes(table_name)}
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def upgrade() -> None:
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columns = _column_names("memory_sources")
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if "segment_id" not in columns:
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op.add_column(
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"memory_sources",
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sa.Column("segment_id", sa.String(), nullable=True),
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)
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indexes = _index_names("memory_sources")
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if "ix_memory_sources_user_segment_transcript" not in indexes:
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op.create_index(
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"ix_memory_sources_user_segment_transcript",
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"memory_sources",
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["user_id", "segment_id"],
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unique=True,
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postgresql_where=sa.text(
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"segment_id IS NOT NULL AND source_type = 'transcript'"
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),
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)
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foreign_keys = {
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fk["name"]
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for fk in sa.inspect(op.get_bind()).get_foreign_keys("memory_sources")
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}
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if "fk_memory_sources_segment_id_segments" not in foreign_keys:
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op.create_foreign_key(
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"fk_memory_sources_segment_id_segments",
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"memory_sources",
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"segments",
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["segment_id"],
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["id"],
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ondelete="SET NULL",
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)
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def downgrade() -> None:
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foreign_keys = {
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fk["name"]
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for fk in sa.inspect(op.get_bind()).get_foreign_keys("memory_sources")
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}
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if "fk_memory_sources_segment_id_segments" in foreign_keys:
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op.drop_constraint(
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"fk_memory_sources_segment_id_segments",
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"memory_sources",
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type_="foreignkey",
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)
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indexes = _index_names("memory_sources")
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if "ix_memory_sources_user_segment_transcript" in indexes:
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op.drop_index(
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"ix_memory_sources_user_segment_transcript",
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table_name="memory_sources",
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)
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columns = _column_names("memory_sources")
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if "segment_id" in columns:
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op.drop_column("memory_sources", "segment_id")
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