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| author | drh <> | 2024-05-31 14:39:42 +0000 |
|---|---|---|
| committer | drh <> | 2024-05-31 14:39:42 +0000 |
| commit | d72ca8f810a0159d87cc16321a8d974373eceab3 (patch) | |
| tree | 1745492a16ff3feb3df2b907e9f3bfee292e9d90 /src/where.c | |
| parent | 2f755cdc3ac105837b9cd0aecf35275b83c56b07 (diff) | |
| download | sqlite-d72ca8f810a0159d87cc16321a8d974373eceab3.tar.gz sqlite-d72ca8f810a0159d87cc16321a8d974373eceab3.zip | |
Document the OP_Explain opcode. Add the WhereLoop.rRun value as P3 in
OP_Explain opcodes associated with WhereLoops, for testing purposes.
FossilOrigin-Name: 996c46e61d9a53a54018672dd407b8ba8c480dd6795393428f9d5fcb81b47ab5
Diffstat (limited to 'src/where.c')
| -rw-r--r-- | src/where.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/where.c b/src/where.c index ed095fa3b..64bda2327 100644 --- a/src/where.c +++ b/src/where.c @@ -5262,7 +5262,7 @@ static LogEst whereSortingCost( ** smaller tables. The central table is called the "fact" table. ** The smaller tables that get joined are "dimension tables". ** -** SIDE EFFECT: +** SIDE EFFECT: (and really the whole point of this subroutine) ** ** If pWInfo describes a star-query, then the cost on WhereLoops for the ** fact table is reduced. This heuristic helps keep fact tables in |