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Further testing and bug fixing for sqlite_stat3. Added the Index.avgEq

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field to index statistics.  Fixed several problems in the query planner
associated with stat3.

FossilOrigin-Name: 89b2f70884cad0abdf4c66cb64ecddb2820ded74
This commit is contained in:
drh
2011-08-13 19:35:19 +00:00
parent f404c86ad7
commit 4e50c5ec48
13 changed files with 188 additions and 158 deletions
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6
test/unordered.test
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@ -31,11 +31,13 @@ do_execsql_test 1.0 {
} {}
foreach idxmode {ordered unordered} {
catchsql { DELETE FROM sqlite_stat2 }
catchsql { DELETE FROM sqlite_stat3 }
if {$idxmode == "unordered"} {
execsql { UPDATE sqlite_stat1 SET stat = stat || ' unordered' }
db close
sqlite3 db test.db
}
db close
sqlite3 db test.db
foreach {tn sql r(ordered) r(unordered)} {
1 "SELECT * FROM t1 ORDER BY a"
{0 0 0 {SCAN TABLE t1 USING INDEX i1 (~128 rows)}}