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Further enhancements and fixes for explain query plan.

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FossilOrigin-Name: 73c93f5a2a32ee8c5d07c9ba33b2641e72626627
This commit is contained in:
dan
2010-11-09 14:48:59 +00:00
parent 2ce224535f
commit 4a07e3db27
7 changed files with 174 additions and 72 deletions
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3
src/select.c
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@@ -780,9 +780,11 @@ static void explainTempTable(Parse *pParse, const char *zUsage){
}
}
# define explainRestoreSelectId() pParse->iSelectId = iRestoreSelectId
# define explainAssignSelectId(pItem, id) pItem->iSelectId = id
#else
# define explainRestoreSelectId()
# define explainTempTable(y,z)
# define explainAssignSelectId(y,z)
#endif
/*
@@ -3679,6 +3681,7 @@ int sqlite3Select(
}else{
sqlite3SelectDestInit(&dest, SRT_EphemTab, pItem->iCursor);
assert( pItem->isPopulated==0 );
explainAssignSelectId(pItem, pParse->iNextSelectId);
sqlite3Select(pParse, pSub, &dest);
pItem->isPopulated = 1;
}