Index: src/parse.y ================================================================== --- src/parse.y +++ src/parse.y @@ -446,10 +446,11 @@ selectnowith(A) ::= oneselect(X). {A = X;} %ifndef SQLITE_OMIT_COMPOUND_SELECT selectnowith(A) ::= selectnowith(X) multiselect_op(Y) oneselect(Z). { Select *pRhs = Z; + Select *pLhs = X; if( pRhs && pRhs->pPrior ){ SrcList *pFrom; Token x; x.n = 0; parserDoubleLinkSelect(pParse, pRhs); @@ -456,15 +457,16 @@ pFrom = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&x,pRhs,0,0); pRhs = sqlite3SelectNew(pParse,0,pFrom,0,0,0,0,0,0,0); } if( pRhs ){ pRhs->op = (u8)Y; - pRhs->pPrior = X; + pRhs->pPrior = pLhs; + if( ALWAYS(pLhs) ) pLhs->selFlags &= ~SF_MultiValue; pRhs->selFlags &= ~SF_MultiValue; if( Y!=TK_ALL ) pParse->hasCompound = 1; }else{ - sqlite3SelectDelete(pParse->db, X); + sqlite3SelectDelete(pParse->db, pLhs); } A = pRhs; } %type multiselect_op {int} multiselect_op(A) ::= UNION(OP). {A = @OP;} Index: test/select4.test ================================================================== --- test/select4.test +++ test/select4.test @@ -907,7 +907,13 @@ VALUES(1),(2),(3) EXCEPT VALUES(1),(3); } {2} do_execsql_test select4-14.15 { SELECT * FROM (SELECT 123), (SELECT 456) ON likely(0 OR 1) OR 0; } {123 456} +do_execsql_test select4-14.16 { + VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 99; +} {1 2 3 4 5} +do_execsql_test select4-14.17 { + VALUES(1),(2),(3),(4) UNION ALL SELECT 5 LIMIT 3; +} {1 2 3} finish_test