Add the ability to disable transitive constraints using the

sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS) interface.

FossilOrigin-Name: 593d67c8b0908daf7a70b2a310ed85515d384cbf

src/sqliteInt.h

@@ -978,6 +978,7 @@ struct sqlite3 {
 #define SQLITE_CoverIdxScan   0x0040   /* Covering index scans */
 #define SQLITE_OrderByIdxJoin 0x0080   /* ORDER BY of joins via index */
 #define SQLITE_SubqCoroutine  0x0100   /* Evaluate subqueries as coroutines */
+#define SQLITE_Transitive     0x0200   /* Transitive constraints */
 #define SQLITE_AllOpts        0xffff   /* All optimizations */
 
 /*