WHERE_COLUMN_EQ  100203 sqlite3/libsqlite/sqlite3.c   pLevel->plan.wsFlags |= WHERE_COLUMN_EQ | WHERE_IDX_ONLY | WO_EQ;
WHERE_COLUMN_EQ  101078 sqlite3/libsqlite/sqlite3.c         WHERE_COLUMN_IN|WHERE_COLUMN_EQ|WHERE_COLUMN_NULL|WHERE_COLUMN_RANGE
WHERE_COLUMN_EQ  101176 sqlite3/libsqlite/sqlite3.c       wsFlags |= (WHERE_COLUMN_EQ|WHERE_ROWID_EQ);
WHERE_COLUMN_EQ  102117 sqlite3/libsqlite/sqlite3.c   }else if( pLevel->plan.wsFlags & (WHERE_COLUMN_RANGE|WHERE_COLUMN_EQ) ){