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Omit the SQLITE_STOREP2 and SQLITE_KEEPNULL options from the comparison

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opcodes, allowing them to run faster.  This required refactoring the
vector comparison logic, which in turn required changing OP_ElseNotEq into
OP_ElseEq.

FossilOrigin-Name: 380b46054b6a9b67e57357815e8e94057253fa3cce838ae76e5d5031c6bd26b2
This commit is contained in:
drh
2021-03-29 18:53:47 +00:00
parent 871e7ff43d
commit 4bc20452b5
6 changed files with 57 additions and 97 deletions
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6
src/vdbeaux.c
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@@ -1487,11 +1487,7 @@ char *sqlite3VdbeDisplayComment(
char c;
zSynopsis = zOpName += nOpName + 1;
if( strncmp(zSynopsis,"IF ",3)==0 ){
if( pOp->p5 & SQLITE_STOREP2 ){
sqlite3_snprintf(sizeof(zAlt), zAlt, "r[P2] = (%s)", zSynopsis+3);
}else{
sqlite3_snprintf(sizeof(zAlt), zAlt, "if %s goto P2", zSynopsis+3);
}
sqlite3_snprintf(sizeof(zAlt), zAlt, "if %s goto P2", zSynopsis+3);
zSynopsis = zAlt;
}
for(ii=0; (c = zSynopsis[ii])!=0; ii++){