Mercurial > libervia-backend
view sat/memory/migration/versions/129ac51807e4_create_virtual_table_for_full_text_.py @ 3893:045af0eeda3f
core, CLI (base), tools (common/data_format): typing/core readability
author | Goffi <goffi@goffi.org> |
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date | Wed, 21 Sep 2022 22:20:43 +0200 |
parents | 162866ca4be7 |
children |
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"""create virtual table for Full-Text Search Revision ID: 129ac51807e4 Revises: 8974efc51d22 Create Date: 2021-08-13 19:13:54.112538 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = '129ac51807e4' down_revision = '8974efc51d22' branch_labels = None depends_on = None def upgrade(): queries = [ "CREATE VIRTUAL TABLE pubsub_items_fts " "USING fts5(data, content=pubsub_items, content_rowid=id)", "CREATE TRIGGER pubsub_items_fts_sync_ins AFTER INSERT ON pubsub_items BEGIN" " INSERT INTO pubsub_items_fts(rowid, data) VALUES (new.id, new.data);" "END", "CREATE TRIGGER pubsub_items_fts_sync_del AFTER DELETE ON pubsub_items BEGIN" " INSERT INTO pubsub_items_fts(pubsub_items_fts, rowid, data) " "VALUES('delete', old.id, old.data);" "END", "CREATE TRIGGER pubsub_items_fts_sync_upd AFTER UPDATE ON pubsub_items BEGIN" " INSERT INTO pubsub_items_fts(pubsub_items_fts, rowid, data) VALUES" "('delete', old.id, old.data);" " INSERT INTO pubsub_items_fts(rowid, data) VALUES(new.id, new.data);" "END", "INSERT INTO pubsub_items_fts(rowid, data) SELECT id, data from pubsub_items" ] for q in queries: op.execute(sa.DDL(q)) def downgrade(): queries = [ "DROP TRIGGER IF EXISTS pubsub_items_fts_sync_ins", "DROP TRIGGER IF EXISTS pubsub_items_fts_sync_del", "DROP TRIGGER IF EXISTS pubsub_items_fts_sync_upd", "DROP TABLE IF EXISTS pubsub_items_fts", ] for q in queries: op.execute(sa.DDL(q))