14665 typedef struct Upsert Upsert;  typedef
18592 struct Upsert {  struct
18593   ExprList *pUpsertTarget;  /* Optional description of conflict target */  argument
18594   Expr *pUpsertTargetWhere; /* WHERE clause for partial index targets */  argument
18595   ExprList *pUpsertSet;     /* The SET clause from an ON CONFLICT UPDATE */  argument
18596   Expr *pUpsertWhere;       /* WHERE clause for the ON CONFLICT UPDATE */  argument
18597   Upsert *pNextUpsert;      /* Next ON CONFLICT clause in the list */  argument
18601   void *pToFree;            /* Free memory when deleting the Upsert object */  argument
18607   Index *pUpsertIdx;        /* UNIQUE constraint specified by pUpsertTarget */  argument
18608   SrcList *pUpsertSrc;      /* Table to be updated */  argument
18609   int regData;              /* First register holding array of VALUES */
18610   int iDataCur;             /* Index of the data cursor */
18611   int iIdxCur;              /* Index of the first index cursor */