SQLITE_INDEX_SCAN_UNIQUE(3) Library Functions Manual SQLITE_INDEX_SCAN_UNIQUE(3)

SQLITE_INDEX_SCAN_UNIQUE
Virtual Table Scan Flags

#define SQLITE_INDEX_SCAN_UNIQUE

Virtual table implementations are allowed to set the sqlite3_index_info.idxFlags field to some combination of these bits.

sqlite3_index_info(3)
December 19, 2018 NetBSD 9.2