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db: index blocks(height) references #9450

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db: index blocks(height) references #9450

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11 changes: 11 additions & 0 deletions wallet/migrations.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1186,6 +1186,17 @@ static const struct db_migration dbmigrations[] = {
* after the failure was recorded (issue #9341). */
{SQL("ALTER TABLE payments ADD failmsg BLOB;"), NULL,
SQL("ALTER TABLE payments DROP COLUMN failmsg"), NULL},
/* Postgres does not index the referencing side of a foreign key, so
* removing a row from `blocks` scanned each of these tables in full. */
{SQL("CREATE INDEX transactions_blockheight_idx"
" ON transactions (blockheight)"), NULL,
SQL("DROP INDEX transactions_blockheight_idx"), NULL},
{SQL("CREATE INDEX channeltxs_blockheight_idx"
" ON channeltxs (blockheight)"), NULL,
SQL("DROP INDEX channeltxs_blockheight_idx"), NULL},
{SQL("CREATE INDEX outputs_spend_height_idx"
" ON outputs (spend_height)"), NULL,
SQL("DROP INDEX outputs_spend_height_idx"), NULL},
/* ^v26.09 */
};

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