Determine The Number Of Foreign Key Constraint Violations
int sqlite3changeset_fk_conflicts( sqlite3_changeset_iter *pIter, /* Changeset iterator */ int *pnOut /* OUT: Number of FK violations */ );
This function may only be called with an iterator passed to an SQLITE_CHANGESET_FOREIGN_KEY conflict handler callback. In this case it sets the output variable to the total number of known foreign key violations in the destination database and returns SQLITE_OK.
In all other cases this function returns SQLITE_MISUSE.
See also lists of Objects, Constants, and Functions.
SQLite is in the Public Domain.
https://sqlite.org/session/sqlite3changeset_fk_conflicts.html