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Begin adding upsert logic. This is an incremental check-in.

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FossilOrigin-Name: 809696434097e62e8ef486c7478b5eb62c0cf1342522a5584939fade82821410
This commit is contained in:
drh
2018-04-13 01:15:09 +00:00
parent fcfd756fe3
commit 788d55aa77
8 changed files with 146 additions and 16 deletions
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12
src/insert.c
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@@ -804,6 +804,13 @@ void sqlite3Insert(
pParse->nMem += pIdx->nColumn;
}
}
#ifndef SQLITE_OMIT_UPSERT
if( pUpsert ){
pTabList->a[0].iCursor = iDataCur;
sqlite3UpsertAnalyze(pParse, pTabList, pUpsert);
}
#endif
/* This is the top of the main insertion loop */
if( useTempTable ){
@@ -1006,7 +1013,7 @@ void sqlite3Insert(
int isReplace; /* Set to true if constraints may cause a replace */
int bUseSeek; /* True to use OPFLAG_SEEKRESULT */
sqlite3GenerateConstraintChecks(pParse, pTab, aRegIdx, iDataCur, iIdxCur,
regIns, 0, ipkColumn>=0, onError, endOfLoop, &isReplace, 0
regIns, 0, ipkColumn>=0, onError, endOfLoop, &isReplace, 0, pUpsert
);
sqlite3FkCheck(pParse, pTab, 0, regIns, 0, 0);
@@ -1242,7 +1249,8 @@ void sqlite3GenerateConstraintChecks(
u8 overrideError, /* Override onError to this if not OE_Default */
int ignoreDest, /* Jump to this label on an OE_Ignore resolution */
int *pbMayReplace, /* OUT: Set to true if constraint may cause a replace */
int *aiChng /* column i is unchanged if aiChng[i]<0 */
int *aiChng, /* column i is unchanged if aiChng[i]<0 */
Upsert *pUpsert /* ON CONFLICT clauses, if any. NULL otherwise */
){
Vdbe *v; /* VDBE under constrution */
Index *pIdx; /* Pointer to one of the indices */