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Minor refactor of the SrcList object so that it is able to hold the argument

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list to a table-valued-function in the FROM clause.

FossilOrigin-Name: b919376147597c4b73421abe5788f893baf1560b
This commit is contained in:
drh
2015-08-19 15:20:00 +00:00
parent 398f872d1f
commit 8a48b9c0b1
12 changed files with 100 additions and 87 deletions
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16
src/expr.c
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@@ -1034,16 +1034,18 @@ SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){
pNewItem->zDatabase = sqlite3DbStrDup(db, pOldItem->zDatabase);
pNewItem->zName = sqlite3DbStrDup(db, pOldItem->zName);
pNewItem->zAlias = sqlite3DbStrDup(db, pOldItem->zAlias);
pNewItem->jointype = pOldItem->jointype;
pNewItem->fg = pOldItem->fg;
pNewItem->iCursor = pOldItem->iCursor;
pNewItem->addrFillSub = pOldItem->addrFillSub;
pNewItem->regReturn = pOldItem->regReturn;
pNewItem->isCorrelated = pOldItem->isCorrelated;
pNewItem->viaCoroutine = pOldItem->viaCoroutine;
pNewItem->isRecursive = pOldItem->isRecursive;
pNewItem->zIndexedBy = sqlite3DbStrDup(db, pOldItem->zIndexedBy);
pNewItem->notIndexed = pOldItem->notIndexed;
pNewItem->pIndex = pOldItem->pIndex;
if( pNewItem->fg.isIndexedBy ){
pNewItem->u1.zIndexedBy = sqlite3DbStrDup(db, pOldItem->u1.zIndexedBy);
}
pNewItem->pIBIndex = pOldItem->pIBIndex;
if( pNewItem->fg.isTabFunc ){
pNewItem->u1.pFuncArg =
sqlite3ExprListDup(db, pOldItem->u1.pFuncArg, flags);
}
pTab = pNewItem->pTab = pOldItem->pTab;
if( pTab ){
pTab->nRef++;