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Change the OP_Trace opcode to OP_Init and give it the ability to jump to the

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initialization code at the bottom of the program, thus avoiding the need for
an extra OP_Goto.

FossilOrigin-Name: 192dea97316144f15f6dd0eabff08a0bf9ef203e
This commit is contained in:
drh
2014-02-08 01:40:27 +00:00
parent 642364a48b
commit aceb31b120
10 changed files with 61 additions and 117 deletions
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3
src/where.c
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@@ -5436,7 +5436,6 @@ WhereInfo *sqlite3WhereBegin(
initMaskSet(pMaskSet);
whereClauseInit(&pWInfo->sWC, pWInfo);
whereSplit(&pWInfo->sWC, pWhere, TK_AND);
sqlite3CodeVerifySchema(pParse, -1); /* Insert the cookie verifier Goto */
/* Special case: a WHERE clause that is constant. Evaluate the
** expression and either jump over all of the code or fall thru.
@@ -5725,7 +5724,7 @@ WhereInfo *sqlite3WhereBegin(
sqlite3VdbeSetP4KeyInfo(pParse, pIx);
VdbeComment((v, "%s", pIx->zName));
}
sqlite3CodeVerifySchema(pParse, iDb);
if( iDb>=0 ) sqlite3CodeVerifySchema(pParse, iDb);
notReady &= ~getMask(&pWInfo->sMaskSet, pTabItem->iCursor);
}
pWInfo->iTop = sqlite3VdbeCurrentAddr(v);