Make sure that when a CREATE INDEX fails, it does not leave a residue behind

that can corrupt the database.  Ticket #1115. (CVS 2330)

FossilOrigin-Name: cbed92f397ec13b57771ab8b5be74c0cacf35dfd

manifest

@@ -1,5 +1,5 @@
-C Tighten\sup\sthe\sCREATE\sINDEX\ssyntax\saccepted\sby\sthe\sparser.\s(CVS\s2329)
+C Make\ssure\sthat\swhen\sa\sCREATE\sINDEX\sfails,\sit\sdoes\snot\sleave\sa\sresidue\sbehind\nthat\scan\scorrupt\sthe\sdatabase.\s\sTicket\s#1115.\s(CVS\s2330)
-D 2005-02-14T06:38:40
+D 2005-02-14T20:48:19
 F Makefile.in d928187101fa3d78426cf48ca30e39d0fb714e57
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README a01693e454a00cc117967e3f9fdab2d4d52e9bc1
@@ -31,7 +31,7 @@ F src/attach.c f78f76bc6a8e5e487ca53636e21ccba2484a9a61
 F src/auth.c 18c5a0befe20f3a58a41e3ddd78f372faeeefe1f
 F src/btree.c 2432adf957c68e7243b198c174b0f316f9717844
 F src/btree.h 2e2cc923224649337d7217df0dd32b06673ca180
-F src/build.c 9783b4bd230a22d0eaf7a3a1b521192d0ce85707
+F src/build.c 09333b6006d26d411dbaa918601be1054c09fff3
 F src/date.c f3d1f5cd1503dabf426a198f3ebef5afbc122a7f
 F src/delete.c 4b94395b52a8f7785acd71135c2ce54f3f5550b3
 F src/experimental.c 8cc66b2be6a011055d75ef19ed2584bcfbb585ad
@@ -131,6 +131,7 @@ F test/hook.test f8605cde4c77b2c6a4a73723bf6c507796a64dda
 F test/in.test ed134f8d477a6280297ced1646de83cccf8f196d
 F test/index.test 51e01a0928b4b61228917ddd8c6c0e2466547f6f
 F test/index2.test 9ad98243fd7fe833795a9cc662f371f0eed4ff4f
+F test/index3.test 72bd07b508022db688ec536c460345d24a3912e3
 F test/insert.test f39cb2306199c6f9d8959b843c9199d799217055
 F test/insert2.test 065f179a21b42f9746b97571b8ad10b092e90913
 F test/insert3.test c67f0240b1c17e71fa2ed8bb6de064928f549f95
@@ -270,7 +271,7 @@ F www/tclsqlite.tcl e73f8f8e5f20e8277619433f7970060ab01088fc
 F www/vdbe.tcl 095f106d93875c94b47367384ebc870517431618
 F www/version3.tcl 092a01f5ef430d2c4acc0ae558d74c4bb89638a0
 F www/whentouse.tcl 3e522a06ad41992023c80ca29a048ae2331ca5bd
-P f3c51de7599ed6d3bcdd227e290ad75829840957
+P 41d2214b83dd52acdda64a50d0c1ef16009d06d0
-R 7921af0145748c8a37437dad53c32c4a
+R 9e0bcb38fd98e646a6dce64083f59531
-U danielk1977
+U drh
-Z 64aa5c96551e695b1d8501bf1ee83810
+Z b1359ca9d31266c1dc27ad6e9e05dbe4

manifest.uuid

@@ -1 +1 @@
-41d2214b83dd52acdda64a50d0c1ef16009d06d0
+cbed92f397ec13b57771ab8b5be74c0cacf35dfd

src/build.c

@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.309 2005/02/09 07:05:46 danielk1977 Exp $
+** $Id: build.c,v 1.310 2005/02/14 20:48:20 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -2421,7 +2421,7 @@ void sqlite3CreateIndex(
 
     /* Create the rootpage for the index
     */
-    sqlite3BeginWriteOperation(pParse, 0, iDb);
+    sqlite3BeginWriteOperation(pParse, 1, iDb);
     sqlite3VdbeAddOp(v, OP_CreateIndex, iDb, 0);
     sqlite3VdbeAddOp(v, OP_MemStore, iMem, 0);
 

test/index3.test

@@ -0,0 +1,43 @@
+# 2005 February 14
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.  The
+# focus of this file is testing the CREATE INDEX statement.
+#
+# $Id: index3.test,v 1.1 2005/02/14 20:48:19 drh Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Ticket #1115.  Make sure that when a UNIQUE index is created on a
+# non-unique column (or columns) that it fails and that it leaves no
+# residue behind.
+#
+do_test index3-1.1 {
+  execsql {
+    CREATE TABLE t1(a);
+    INSERT INTO t1 VALUES(1);
+    INSERT INTO t1 VALUES(1);
+    SELECT * FROM t1;
+  }
+} {1 1}
+do_test index3-1.2 {
+  catchsql {
+    BEGIN;
+    CREATE UNIQUE INDEX i1 ON t1(a);
+  }
+} {1 {indexed columns are not unique}}
+do_test index3-1.3 {
+  catchsql COMMIT;
+} {0 {}}
+integrity_check index3-1.4
+
+finish_test