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Constants Passed To The Conflict Handler

Constants Passed To The Conflict Handler

#define SQLITE_CHANGESET_DATA        1
#define SQLITE_CHANGESET_NOTFOUND    2
#define SQLITE_CHANGESET_CONFLICT    3
#define SQLITE_CHANGESET_CONSTRAINT  4
#define SQLITE_CHANGESET_FOREIGN_KEY 5

Values that may be passed as the second argument to a conflict-handler.

SQLITE_CHANGESET_DATA
The conflict handler is invoked with CHANGESET_DATA as the second argument when processing a DELETE or UPDATE change if a row with the required PRIMARY KEY fields is present in the database, but one or more other (non primary-key) fields modified by the update do not contain the expected "before" values.

The conflicting row, in this case, is the database row with the matching primary key.

SQLITE_CHANGESET_NOTFOUND
The conflict handler is invoked with CHANGESET_NOTFOUND as the second argument when processing a DELETE or UPDATE change if a row with the r