microblog.pub/alembic/versions/2022_11_02_1914-368f511ad954_outbox_fts.py
2022-11-03 23:03:52 +01:00

115 lines
3.9 KiB
Python

"""Outbox FTS
Revision ID: 368f511ad954
Revises: b28c0551c236
Create Date: 2022-11-02 19:14:37.865923+00:00
"""
from sqlalchemy import insert
from sqlalchemy import select
from sqlalchemy.orm.session import Session
from alembic import op
# revision identifiers, used by Alembic.
revision = '368f511ad954'
down_revision = 'b28c0551c236'
branch_labels = None
depends_on = None
def upgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
# ### end Alembic commands ###
op.execute(
"CREATE VIRTUAL TABLE outbox_fts USING "
"fts5(summary, name, source, content='');"
)
op.execute(
"CREATE TRIGGER outbox_fts_ai AFTER "
"INSERT ON outbox WHEN new.ap_type in ('Article', 'Note', 'Question') BEGIN"
" INSERT INTO outbox_fts (rowid, source, name, summary)"
" VALUES ("
" new.id, "
" new.source, "
' json_extract(new.ap_object, "$.name"), '
' json_extract(new.ap_object, "$.summary")'
" ); "
"END;"
)
op.execute(
"CREATE TRIGGER outbox_fts_ad AFTER "
"DELETE ON outbox WHEN old.ap_type in ('Article', 'Note', 'Question') BEGIN"
" INSERT INTO outbox_fts (outbox_fts, rowid, source, name, summary)"
" VALUES ("
" 'delete', "
" old.id, "
" old.source, "
' json_extract(old.ap_object, "$.name"), '
' json_extract(old.ap_object, "$.summary")'
" ); "
"END;"
)
op.execute(
"CREATE TRIGGER outbox_fts_au_softdelete AFTER "
"UPDATE ON outbox WHEN new.is_deleted = 1 AND "
"new.ap_type in ('Article', 'Note', 'Question') BEGIN"
" INSERT INTO outbox_fts (outbox_fts, rowid, source, name, summary)"
" VALUES ("
" 'delete', "
" old.id, "
" old.source, "
' json_extract(old.ap_object, "$.name"), '
' json_extract(old.ap_object, "$.summary")'
" ); "
"END; "
)
op.execute(
"CREATE TRIGGER outbox_fts_au AFTER "
"UPDATE ON outbox "
"WHEN (new.source <> old.source OR new.ap_object <> old.ap_object) AND "
"new.ap_type in ('Note', 'Article', 'Quesion') BEGIN"
" INSERT INTO outbox_fts (outbox_fts, rowid, source, name, summary)"
" VALUES ("
" 'delete', "
" old.id, "
" old.source, "
' json_extract(old.ap_object, "$.name"), '
' json_extract(old.ap_object, "$.summary")'
" );"
" INSERT INTO outbox_fts (rowid, source, name, summary)"
" VALUES ("
" new.id, "
" new.source, "
' json_extract(new.ap_object, "$.name"), '
' json_extract(new.ap_object, "$.summary")'
" );"
"END;"
)
from app.models import OutboxObject
from app.models import outbox_fts
sess = Session(op.get_bind())
# Backfill the index
outbox_objects = sess.execute(select(OutboxObject).where(
OutboxObject.ap_type.in_(["Article", "Note", "Question"]))
).scalars()
for outbox_object in outbox_objects:
row = {"source": outbox_object.source, "rowid": outbox_object.id}
if name := outbox_object.ap_object.get("name"):
row["name"] = name
if summary := outbox_object.ap_object.get("summary"):
row["summary"] = summary
sess.execute(insert(outbox_fts).values(row))
sess.commit()
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
# ### end Alembic commands ###
op.drop_table('outbox_fts')
op.execute("DROP TRIGGER outbox_fts_ai;")
op.execute("DROP TRIGGER outbox_fts_ad;")
op.execute("DROP TRIGGER outbox_fts_au_softdelete;")
op.execute("DROP TRIGGER outbox_fts_au;")