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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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8
src/sqliteInt.h
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@@ -2046,6 +2046,7 @@ struct FKey {
#define OE_Fail 3 /* Stop the operation but leave all prior changes */
#define OE_Ignore 4 /* Ignore the error. Do not do the INSERT or UPDATE */
#define OE_Replace 5 /* Delete existing record, then do INSERT or UPDATE */
#define OE_Update 5 /* An UPSERT. Same value as OE_Replace. */
#define OE_Restrict 6 /* OE_Abort for IMMEDIATE, OE_Rollback for DEFERRED */
#define OE_SetNull 7 /* Set the foreign key value to NULL */
@@ -3207,7 +3208,7 @@ struct TriggerStep {
Select *pSelect; /* SELECT statement or RHS of INSERT INTO SELECT ... */
char *zTarget; /* Target table for DELETE, UPDATE, INSERT */
Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */
ExprList *pExprList; /* SET clause for UPDATE. */
ExprList *pExprList; /* SET clause for UPDATE or UPSERT. */
IdList *pIdList; /* Column names for INSERT */
char *zSpan; /* Original SQL text of this command */
TriggerStep *pNext; /* Next in the link-list */
@@ -3740,7 +3741,7 @@ void sqlite3DeleteTable(sqlite3*, Table*);
# define sqlite3AutoincrementBegin(X)
# define sqlite3AutoincrementEnd(X)
#endif
void sqlite3Insert(Parse*, SrcList*, Select*, IdList*, int);
void sqlite3Insert(Parse*, SrcList*, Select*, IdList*, int, ExprList*);
void *sqlite3ArrayAllocate(sqlite3*,void*,int,int*,int*);
IdList *sqlite3IdListAppend(sqlite3*, IdList*, Token*);
int sqlite3IdListIndex(IdList*,const char*);
@@ -3916,7 +3917,8 @@ void sqlite3MaterializeView(Parse*, Table*, Expr*, ExprList*,Expr*,int);
TriggerStep *sqlite3TriggerSelectStep(sqlite3*,Select*,
const char*,const char*);
TriggerStep *sqlite3TriggerInsertStep(sqlite3*,Token*, IdList*,
Select*,u8,const char*,const char*);
Select*,u8,ExprList*,
const char*,const char*);
TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, u8,
const char*,const char*);
TriggerStep *sqlite3TriggerDeleteStep(sqlite3*,Token*, Expr*,