91 struct sqlite3_changeset_iter {  struct
92   SessionInput in;                /* Input buffer or stream */
93   SessionBuffer tblhdr;           /* Buffer to hold apValue/zTab/abPK/ */
94   int bPatchset;                  /* True if this is a patchset */
95   int bInvert;                    /* True to invert changeset */
96   int bSkipEmpty;                 /* Skip noop UPDATE changes */
97   int rc;                         /* Iterator error code */
98   sqlite3_stmt *pConflict;        /* Points to conflicting row, if any */
99   char *zTab;                     /* Current table */
100   int nCol;                       /* Number of columns in zTab */
101   int op;                         /* Current operation */
102   int bIndirect;                  /* True if current change was indirect */
103   u8 *abPK;                       /* Primary key array */
104   sqlite3_value **apValue;        /* old.* and new.* values */
4128   int(*xValue)(sqlite3_changeset_iter *, int, sqlite3_value **),  in sessionBindRow()
4288   int(*xConflict)(void *, int, sqlite3_changeset_iter*),  in sessionConflictHandler()  argument
4385   int(*xConflict)(void *, int, sqlite3_changeset_iter *),  in sessionApplyOneOp()  argument
4519   int(*xConflict)(void*, int, sqlite3_changeset_iter*),  in sessionApplyOneWithRetry()  argument
4577   int(*xConflict)(void*, int, sqlite3_changeset_iter*),  in sessionRetryConstraints()  argument