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Rewrite a couple of queries used internally by FTS3 to take advantage of the "SELECT max(x) FROM ..." optimization.

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FossilOrigin-Name: b7e42ae77443b33e0ab83265064830594094dc7c
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dan
2010-03-19 06:59:19 +00:00
parent 71663ad0c1
commit 3b6f4c06ac
3 changed files with 10 additions and 20 deletions
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4
ext/fts3/fts3_write.c
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@ -186,9 +186,9 @@ static int fts3SqlStmt(
/* 5 */ "DELETE FROM %Q.'%q_docsize'",
/* 6 */ "DELETE FROM %Q.'%q_stat'",
/* 7 */ "SELECT * FROM %Q.'%q_content' WHERE rowid=?",
/* 8 */ "SELECT coalesce(max(idx)+1, 0) FROM %Q.'%q_segdir' WHERE level=?",
/* 8 */ "SELECT (SELECT max(idx) FROM %Q.'%q_segdir' WHERE level = ?) + 1",
/* 9 */ "INSERT INTO %Q.'%q_segments'(blockid, block) VALUES(?, ?)",
/* 10 */ "SELECT coalesce(max(blockid)+1, 1) FROM %Q.'%q_segments'",
/* 10 */ "SELECT coalesce((SELECT max(blockid) FROM %Q.'%q_segments') + 1, 1)",
/* 11 */ "INSERT INTO %Q.'%q_segdir' VALUES(?,?,?,?,?,?)",
/* Return segments in order from oldest to newest.*/