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Fix an incorrect table lookup used to find the appropriate search operator

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for a WHERE clause on a row-value inequality.  The incorrect table lookup
was causing an incorrect answer for the less-than operator.
Fix for ticket [f484b65f3d6230593c34f11]

FossilOrigin-Name: f3112e67cdb27c1aec8d2cee3cb91ade061d093e13505894698e26336898b336
This commit is contained in:
drh
2018-02-13 18:48:08 +00:00
parent d446e79545
commit 4d1c6845ff
4 changed files with 119 additions and 10 deletions
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10
src/wherecode.c
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@@ -1395,7 +1395,15 @@ Bitmask sqlite3WhereCodeOneLoopStart(
if( sqlite3ExprIsVector(pX->pRight) ){
r1 = rTemp = sqlite3GetTempReg(pParse);
codeExprOrVector(pParse, pX->pRight, r1, 1);
op = aMoveOp[(pX->op - TK_GT) | 0x0001];
testcase( pX->op==TK_GT );
testcase( pX->op==TK_GE );
testcase( pX->op==TK_LT );
testcase( pX->op==TK_LE );
op = aMoveOp[((pX->op - TK_GT - 1) & 0x3) | 0x1];
assert( pX->op!=TK_GT || op==OP_SeekGE );
assert( pX->op!=TK_GE || op==OP_SeekGE );
assert( pX->op!=TK_LT || op==OP_SeekLE );
assert( pX->op!=TK_LE || op==OP_SeekLE );
}else{
r1 = sqlite3ExprCodeTemp(pParse, pX->pRight, &rTemp);
disableTerm(pLevel, pStart);