#define SQLITE_INDEX_CONSTRAINT_EQ 2 #define SQLITE_INDEX_CONSTRAINT_GT 4 #define SQLITE_INDEX_CONSTRAINT_LE 8 #define SQLITE_INDEX_CONSTRAINT_LT 16 #define SQLITE_INDEX_CONSTRAINT_GE 32 #define SQLITE_INDEX_CONSTRAINT_MATCH 64 #define SQLITE_INDEX_CONSTRAINT_LIKE 65 #define SQLITE_INDEX_CONSTRAINT_GLOB 66 #define SQLITE_INDEX_CONSTRAINT_REGEXP 67
These macros defined the allowed values for the sqlite3_index_info.aConstraint[].op field. Each value represents an operator that is part of a constraint term in the wHERE clause of a query that uses a virtual table.