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More complete parsing of UPSERT, including UPSERT within a trigger.

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The sqlite3Insert() logic to actually perform the UPSERT is not yet
implemented, however.

FossilOrigin-Name: 5cc2a5a315a2f26b392811de45b3dc352873a173c2c6c65f37ce2e5f88a71cd2
This commit is contained in:
drh
2018-04-07 15:04:05 +00:00
parent 26cf56f80b
commit 2c2e844a36
7 changed files with 86 additions and 28 deletions
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9
src/insert.c
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@@ -488,7 +488,8 @@ void sqlite3Insert(
SrcList *pTabList, /* Name of table into which we are inserting */
Select *pSelect, /* A SELECT statement to use as the data source */
IdList *pColumn, /* Column names corresponding to IDLIST. */
int onError /* How to handle constraint errors */
int onError, /* How to handle constraint errors */
ExprList *pUpsert /* Upsert values */
){
sqlite3 *db; /* The main database structure */
Table *pTab; /* The table to insert into. aka TABLE */
@@ -527,6 +528,11 @@ void sqlite3Insert(
int tmask; /* Mask of trigger times */
#endif
/* The conflict resolution type is always OE_Update or OE_Replace when
** there is an upsert clause */
assert( onError==OE_Update || pUpsert==0 );
assert( OE_Update==OE_Replace );
db = pParse->db;
if( pParse->nErr || db->mallocFailed ){
goto insert_cleanup;
@@ -1074,6 +1080,7 @@ insert_end:
insert_cleanup:
sqlite3SrcListDelete(db, pTabList);
sqlite3ExprListDelete(db, pList);
sqlite3ExprListDelete(db, pUpsert);
sqlite3SelectDelete(db, pSelect);
sqlite3IdListDelete(db, pColumn);
sqlite3DbFree(db, aRegIdx);