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SQLITE3CHANGESET_PK(3) Library Functions Manual SQLITE3CHANGESET_PK(3) NAME sqlite3changeset_pk - Obtain The Primary Key Definition Of A Table SYNOPSIS int sqlite3changeset_pk(sqlite3_changeset_iter *pIter, unsigned char **pabPK, int *pnCol ); DESCRIPTION For each modified table, a changeset includes the following: ⊕ The number of columns in the table, and ⊕ Which of those columns make up the tables PRIMARY KEY. This function is used to find which columns comprise the PRIMARY KEY of the table modified by the change that iterator pIter currently points to. If successful, *pabPK is set to point to an array of nCol entries, where nCol is the number of columns in the table. Elements of *pabPK are set to 0x01 if the corresponding column is part of the tables primary key, or 0x00 if it is not. If argument pnCol is not NULL, then *pnCol is set to the number of columns in the table. If this function is called when the iterator does not point to a valid entry, SQLITE_MISUSE is returned and the output variables zeroed. Otherwise, SQLITE_OK is returned and the output variables populated as described above. NetBSD 8.0 March 11, 2017 NetBSD 8.0