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Split the code generation for the RHS of IN operators and for SELECT and

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EXISTS expressions into two separate subroutines, because there is now little
commonality between those to functions. This is intended to help make the
code easier to read and maintain.

FossilOrigin-Name: 2b6494b1509f0d0189f98aa34c990eee99c775ff57826e79b2c5b0a12b4c97ad
This commit is contained in:
drh
2018-12-23 21:27:29 +00:00
parent 8d69a58119
commit 85bcdce270
5 changed files with 244 additions and 229 deletions
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4
src/wherecode.c
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@@ -1076,7 +1076,9 @@ static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){
#ifndef SQLITE_OMIT_SUBQUERY
if( (p->flags & EP_xIsSelect) ){
Vdbe *v = pParse->pVdbe;
int iSelect = sqlite3CodeSubselect(pParse, p, 0, 0);
int iSelect;
assert( p->op==TK_SELECT );
iSelect = sqlite3CodeSubselect(pParse, p);
sqlite3VdbeAddOp3(v, OP_Copy, iSelect, iReg, nReg-1);
}else
#endif