Fix errors in in.test. Also add a few tests to selectB.test. (CVS 5337)

FossilOrigin-Name: 8f9d1abb315a3d4aa3a580fd5cf3ae572cc330f4

manifest

@@ -1,5 +1,5 @@
-C Fix\sanother\smemory\sleak\srelated\sto\sUNION\sALL\sand\ssub-selects.\s(CVS\s5336)
-D 2008-07-01T17:39:27
+C Fix\serrors\sin\sin.test.\sAlso\sadd\sa\sfew\stests\sto\sselectB.test.\s(CVS\s5337)
+D 2008-07-01T18:26:50
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 325dfac0a0dd1cb4d975f1ace6453157892e6042
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -140,7 +140,7 @@ F src/pragma.c 9a95f5b3708f6d3ddd987eab5f369a19ffcb6795
 F src/prepare.c aba51dad52308e3d9d2074d8ff4e612e7f1cab51
 F src/printf.c 8b063da9dcde26b7c500a01444b718d86f21bc6e
 F src/random.c 5c754319d38abdd6acd74601ee0105504adc508a
-F src/select.c 0b01cf5fb40589d9198f33c9ced1991ac628a2f8
+F src/select.c 154b3feee700273671b74a8436c31331309171e5
 F src/shell.c 484e7297e066f22830f9c15d7abbcdd2acb097b0
 F src/sqlite.h.in 76c144d23f8824e8811e837e9396b9f1361f5902
 F src/sqlite3ext.h 1e3887c9bd3ae66cb599e922824b04cd0d0f2c3e
@@ -449,7 +449,7 @@ F test/select7.test 7906735805cfbee4dddc0bed4c14e68d7f5f9c5f
 F test/select8.test 391de11bdd52339c30580dabbbbe97e3e9a3c79d
 F test/select9.test b4007b15396cb7ba2615cab31e1973b572e43210
 F test/selectA.test e4501789a1d0fe9d00db15187623fb5b7031357b
-F test/selectB.test afc43b5bbcfe405f82155f19f74f9622146ea7ad
+F test/selectB.test 811a852ad6567f3d6f786619511f9c4b2ed1defd
 F test/server1.test f5b790d4c0498179151ca8a7715a65a7802c859c
 F test/shared.test c6769531e0cb751d46a9838c0532d3786606c0f6
 F test/shared2.test 0ee9de8964d70e451936a48c41cb161d9134ccf4
@@ -596,7 +596,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 3447086cd3f6e9b89a8cf61afcf4715977bbf4cd
-R cb3df126aa8389a3fd8ddcad9fc0443a
+P 56109b9a1f600ab3f16769aba0d47dcf782bbc95
+R 7cae1eb722ade0f7563a43911c2df151
 U danielk1977
-Z 22d640258a50fd055c660f5120001e9b
+Z 24db410bfd4f0e01c8ce47ef0672d11f

manifest.uuid

@@ -1 +1 @@
-56109b9a1f600ab3f16769aba0d47dcf782bbc95
+8f9d1abb315a3d4aa3a580fd5cf3ae572cc330f4

src/select.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that are called by the parser
 ** to handle SELECT statements in SQLite.
 **
-** $Id: select.c,v 1.444 2008/07/01 17:39:27 danielk1977 Exp $
+** $Id: select.c,v 1.445 2008/07/01 18:26:50 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 
@@ -3063,16 +3063,16 @@ static void substSelect(
 **        until we introduced the group_concat() function.  
 **
 **  (17)  The sub-query is not a compound select, or it is a UNION ALL 
-**        compound without an ORDER BY, LIMIT or OFFSET clause made up
-**        entirely of non-aggregate queries, and 
+**        compound clause made up entirely of non-aggregate queries, and 
 **        the parent query:
 **
 **          * is not itself part of a compound select,
 **          * is not an aggregate or DISTINCT query, and
 **          * has no other tables or sub-selects in the FROM clause.
 **
-**        The parent query may have WHERE, ORDER BY, LIMIT and OFFSET
-**        clauses.
+**        The parent and sub-query may contain WHERE clauses. Subject to
+**        rules (11), (13) and (14), they may also contain ORDER BY,
+**        LIMIT and OFFSET clauses.
 **
 ** In this routine, the "p" parameter is a pointer to the outer query.
 ** The subquery is p->pSrc->a[iFrom].  isAgg is true if the outer query
@@ -3768,15 +3768,6 @@ int sqlite3Select(
   */
   if( pParse->nErr>0 ) goto select_end;
 
-  /* If writing to memory or generating a set
-  ** only a single column may be output.
-  */
-#ifndef SQLITE_OMIT_SUBQUERY
-  if( checkForMultiColumnSelectError(pParse, pDest, pEList->nExpr) ){
-    goto select_end;
-  }
-#endif
-
   /* ORDER BY is ignored for some destinations.
   */
   if( IgnorableOrderby(pDest) ){
@@ -3867,6 +3858,15 @@ int sqlite3Select(
   }
 #endif
 
+  /* If writing to memory or generating a set
+  ** only a single column may be output.
+  */
+#ifndef SQLITE_OMIT_SUBQUERY
+  if( checkForMultiColumnSelectError(pParse, pDest, pEList->nExpr) ){
+    goto select_end;
+  }
+#endif
+
   /* If possible, rewrite the query to use GROUP BY instead of DISTINCT.
   ** GROUP BY may use an index, DISTINCT never does.
   */

test/selectB.test

@@ -10,7 +10,7 @@
 #***********************************************************************
 # This file implements regression tests for SQLite library. 
 #
-# $Id: selectB.test,v 1.4 2008/07/01 17:39:28 danielk1977 Exp $
+# $Id: selectB.test,v 1.5 2008/07/01 18:26:51 danielk1977 Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -144,6 +144,40 @@ for {set ii 1} {$ii <= 2} {incr ii} {
     UNION ALL SELECT c FROM t1 WHERE c>=10
     ORDER BY 1 LIMIT 3
   } {12 12 14}
+
+  test_transform selectB-$ii.12 {
+    SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 2)
+  } {
+    SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 2
+  } {2 8}
+
+  test_transform selectB-$ii.13 {
+    SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a ASC)
+  } {
+    SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 ASC
+  } {2 3 8 12 14 21}
+
+  test_transform selectB-$ii.14 {
+    SELECT * FROM (SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a DESC)
+  } {
+    SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 DESC
+  } {21 14 12 8 3 2}
+
+  test_transform selectB-$ii.14 {
+    SELECT * FROM (
+      SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY a DESC
+    ) LIMIT 2 OFFSET 2
+  } {
+    SELECT a FROM t1 UNION ALL SELECT d FROM t2 ORDER BY 1 DESC LIMIT 2 OFFSET 2
+  } {12 8}
+
+  test_transform selectB-$ii.15 {
+    SELECT * FROM (
+      SELECT a, b FROM t1 UNION ALL SELECT d, e FROM t2 ORDER BY a ASC, e DESC
+    )
+  } {
+    SELECT a, b FROM t1 UNION ALL SELECT d, e FROM t2 ORDER BY a ASC, e DESC
+  } {2 4 3 6 8 10 12 15 14 16 21 24}
 }
 
 do_test selectB-3.0 {
@@ -291,6 +325,38 @@ for {set ii 3} {$ii <= 4} {incr ii} {
       ORDER BY 1
     }
   } {6 9 15 18 24 27}
+
+  do_test selectB-$ii.17 {
+    execsql {
+      SELECT * FROM (
+        SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4
+      ) LIMIT 2
+    }
+  } {2 8}
+
+  do_test selectB-$ii.18 {
+    execsql {
+      SELECT * FROM (
+        SELECT a FROM t1 UNION ALL SELECT d FROM t2 LIMIT 4 OFFSET 2
+      ) LIMIT 2
+    }
+  } {14 3}
+
+  do_test selectB-$ii.19 {
+    execsql {
+      SELECT * FROM (
+        SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2
+      )
+    }
+  } {0 1 0 1}
+
+  do_test selectB-$ii.20 {
+    execsql {
+      SELECT DISTINCT * FROM (
+        SELECT DISTINCT (a/10) FROM t1 UNION ALL SELECT DISTINCT(d%2) FROM t2
+      )
+    }
+  } {0 1}
 }
 
 finish_test