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chore: import upstream snapshot with attribution
2026-07-13 13:28:29 +08:00

65 行
2.2 KiB
Python

"""0023 wiki pages — authoritative storage for the LLM-editable wiki source.
Adds ``wiki_pages`` (page = unit), source-scoped (team-shareable) and the
authoritative store for a ``config.kind="wiki"`` source. The vector store is a
derived index re-embedded asynchronously per page; ``embed_status`` tracks that
freshness. ``UNIQUE(source_id, path)`` makes a page addressable like a file;
the ``text_pattern_ops`` index backs prefix listing of the virtual tree.
No new Postgres extensions (keeps it Neon/DBngin-portable).
Revision ID: 0023_wiki_pages
Revises: 0022_source_config
"""
from typing import Sequence, Union
from alembic import op
revision: str = "0023_wiki_pages"
down_revision: Union[str, None] = "0022_source_config"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.execute(
"""
CREATE TABLE IF NOT EXISTS wiki_pages (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
source_id UUID NOT NULL REFERENCES sources(id) ON DELETE CASCADE,
path TEXT NOT NULL,
title TEXT,
content TEXT NOT NULL,
token_count INTEGER,
version INTEGER NOT NULL DEFAULT 1,
content_hash TEXT,
embed_status TEXT NOT NULL DEFAULT 'pending',
updated_by TEXT,
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
"""
)
op.execute(
"CREATE UNIQUE INDEX IF NOT EXISTS wiki_pages_source_path_uidx "
"ON wiki_pages (source_id, path);"
)
op.execute(
"CREATE INDEX IF NOT EXISTS wiki_pages_source_path_prefix_idx "
"ON wiki_pages (source_id, path text_pattern_ops);"
)
op.execute("DROP TRIGGER IF EXISTS wiki_pages_set_updated_at ON wiki_pages;")
op.execute(
"""
CREATE TRIGGER wiki_pages_set_updated_at
BEFORE UPDATE ON wiki_pages
FOR EACH ROW EXECUTE FUNCTION set_updated_at();
"""
)
def downgrade() -> None:
op.execute("DROP TABLE IF EXISTS wiki_pages;")