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Add infrastructure for doing an UPDATE as part of an UPSERT. Still no actual

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UPDATE code, however.

FossilOrigin-Name: 6d3017f92bce3e50a91fab2f605e2af8b913b1b374adbfd977299eb042683de8
This commit is contained in:
drh
2018-04-13 18:59:17 +00:00
parent 12e40cebb7
commit 9eddacade9
5 changed files with 40 additions and 10 deletions
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17
src/upsert.c
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@@ -180,4 +180,21 @@ int sqlite3UpsertAnalyzeTarget(
return SQLITE_ERROR;
}
/*
** Generate bytecode that does an UPDATE as part of an upsert.
*/
void sqlite3UpsertDoUpdate(
Parse *pParse, /* The parsing and code-generating context */
Upsert *pUpsert, /* The ON CONFLICT clause for the upsert */
Table *pTab, /* The table being updated */
Index *pIdx, /* The UNIQUE constraint that failed */
int iDataCur, /* Cursor for the pTab, table being updated */
int iIdxCur /* Cursor for the pIdx */
){
Vdbe *v = pParse->pVdbe;
assert( v!=0 );
VdbeNoopComment((v, "Begin DO UPDATE of UPSERT"));
VdbeNoopComment((v, "End DO UPDATE of UPSERT"));
}
#endif /* SQLITE_OMIT_UPSERT */