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Never use WHERE_IN_SEEKSCAN for the 2nd or subsequent IN operator.

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FossilOrigin-Name: d0b98619082038ed451912bcdf56568835a8577989a25cacf25591f2366d4f52
This commit is contained in:
drh
2021-06-02 17:14:50 +00:00
parent b034a24140
commit eda790d28b
4 changed files with 42 additions and 12 deletions
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src/where.c
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@@ -2627,7 +2627,7 @@ static int whereLoopAddBtreeIndex(
("IN operator (N=%d M=%d logK=%d nIn=%d rLogSize=%d x=%d) "
"prefers indexed lookup\n",
saved_nEq, M, logK, nIn, rLogSize, x));
}else if( x < -nInMul ){
}else if( nInMul<2 ){
WHERETRACE(0x40,
("IN operator (N=%d M=%d logK=%d nIn=%d rLogSize=%d x=%d"
" nInMul=%d) prefers skip-scan\n",