Make sure rowid comparisons against NULL work correctly. Ticket #2404. (CVS 4050)
FossilOrigin-Name: 11ee8ea43f20f6146f4e4fcd9299468b3a99f998
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C Fix\sthe\squery\soptimizer\sso\sthat\sit\scorrectly\shandles\sconstant\sexpressions\nin\sthe\sON\sclause\sof\sa\sLEFT\sJOIN.\s\sTicket\s#2403.\s(CVS\s4049)
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D 2007-06-08T00:20:48
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C Make\ssure\srowid\scomparisons\sagainst\sNULL\swork\scorrectly.\s\sTicket\s#2404.\s(CVS\s4050)
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D 2007-06-08T08:39:02
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F Makefile.in a42354804b50c2708ce72cf79e4daa30f50191b5
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F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
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F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
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@ -142,7 +142,7 @@ F src/vdbeblob.c 96f3572fdc45eda5be06e6372b612bc30742d9f0
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F src/vdbefifo.c 3ca8049c561d5d67cbcb94dc909ae9bb68c0bf8f
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F src/vdbemem.c d86c25bbfe8102499ff7505fca44a779c68694d8
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F src/vtab.c c5ebebf615b2f29499fbe97a584c4bb342632aa0
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F src/where.c 6a3c44fed90af904ec3baac0b0e41592e9acacbb
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F src/where.c b5e7a9735db4010984b6d5c2febb1fa7ab4b1bd6
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F tclinstaller.tcl 4356d9d94d2b5ed5e68f9f0c80c4df3048dd7617
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F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
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F test/all.test f0ea4b968d5fe05d85e9cab6fa491ec7e3b9fcc4
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@ -424,6 +424,7 @@ F test/where.test 5c342d6ad0d777275d4740ea5cbeaf5173b6eda4
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F test/where2.test 3249d426b3fc7a106713d784e1628307fc308d2e
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F test/where3.test 0a30fe9808b0fa01c46d0fcf4fac0bf6cf75bb30
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F test/where4.test f80207a4ea6504f3d0962f3ecebc7db274ea50c0
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F test/where5.test 402d3bbe94edf89d41bc556dc8e621df9768b418
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F test/zeroblob.test c5096545085330b7886d2f977272a73d9fa7737e
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F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
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F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
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@ -500,7 +501,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
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F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
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F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
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P f40218434e549144ddb48303df30e5191d44d3fc
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R 6c0f437e174a3996f6b009b6d1c9018d
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P 46fdd195483787eef209a9b8ad108eba147be6fa
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R e8f6143bfd4596c3133479efdd40f198
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U drh
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Z 16d5acbd30bcbeb8aed6b967cb91d898
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Z a9444c898b9b5e55afca76332b67eee3
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@ -1 +1 @@
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46fdd195483787eef209a9b8ad108eba147be6fa
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11ee8ea43f20f6146f4e4fcd9299468b3a99f998
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@ -16,7 +16,7 @@
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** so is applicable. Because this module is responsible for selecting
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** indices, you might also think of this module as the "query optimizer".
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**
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** $Id: where.c,v 1.251 2007/06/08 00:20:48 drh Exp $
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** $Id: where.c,v 1.252 2007/06/08 08:39:02 drh Exp $
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*/
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#include "sqliteInt.h"
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@ -2348,7 +2348,7 @@ WhereInfo *sqlite3WhereBegin(
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if( testOp!=OP_Noop ){
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sqlite3VdbeAddOp(v, OP_Rowid, iCur, 0);
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sqlite3VdbeAddOp(v, OP_MemLoad, pLevel->iMem, 0);
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sqlite3VdbeAddOp(v, testOp, SQLITE_AFF_NUMERIC, brk);
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sqlite3VdbeAddOp(v, testOp, SQLITE_AFF_NUMERIC|0x100, brk);
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}
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}else if( pLevel->flags & WHERE_COLUMN_RANGE ){
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/* Case 3: The WHERE clause term that refers to the right-most
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test/where5.test
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test/where5.test
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# 2007 June 8
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing NULL comparisons in the WHERE clause.
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# See ticket #2404.
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#
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# $Id: where5.test,v 1.1 2007/06/08 08:39:02 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Build some test data
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#
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do_test where5-1.0 {
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execsql {
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CREATE TABLE t1(x TEXT);
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CREATE TABLE t2(x INTEGER);
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CREATE TABLE t3(x INTEGER PRIMARY KEY);
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INSERT INTO t1 VALUES(-1);
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INSERT INTO t1 VALUES(0);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t2 SELECT * FROM t1;
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INSERT INTO t3 SELECT * FROM t2;
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}
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execsql {
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SELECT * FROM t1 WHERE x<0
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}
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} {-1}
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do_test where5-1.1 {
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execsql {
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SELECT * FROM t1 WHERE x<=0
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}
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} {-1 0}
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do_test where5-1.2 {
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execsql {
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SELECT * FROM t1 WHERE x=0
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}
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} {0}
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do_test where5-1.3 {
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execsql {
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SELECT * FROM t1 WHERE x>=0
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}
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} {0 1}
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do_test where5-1.4 {
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execsql {
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SELECT * FROM t1 WHERE x>0
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}
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} {1}
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do_test where5-1.5 {
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execsql {
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SELECT * FROM t1 WHERE x<>0
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}
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} {-1 1}
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do_test where5-1.6 {
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execsql {
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SELECT * FROM t1 WHERE x<NULL
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}
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} {}
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do_test where5-1.7 {
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execsql {
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SELECT * FROM t1 WHERE x<=NULL
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}
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} {}
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do_test where5-1.8 {
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execsql {
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SELECT * FROM t1 WHERE x=NULL
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}
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} {}
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do_test where5-1.9 {
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execsql {
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SELECT * FROM t1 WHERE x>=NULL
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}
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} {}
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do_test where5-1.10 {
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execsql {
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SELECT * FROM t1 WHERE x>NULL
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}
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} {}
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do_test where5-1.11 {
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execsql {
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SELECT * FROM t1 WHERE x!=NULL
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}
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} {}
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do_test where5-2.0 {
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execsql {
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SELECT * FROM t2 WHERE x<0
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}
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} {-1}
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do_test where5-2.1 {
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execsql {
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SELECT * FROM t2 WHERE x<=0
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}
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} {-1 0}
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do_test where5-2.2 {
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execsql {
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SELECT * FROM t2 WHERE x=0
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}
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} {0}
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do_test where5-2.3 {
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execsql {
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SELECT * FROM t2 WHERE x>=0
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}
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} {0 1}
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do_test where5-2.4 {
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execsql {
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SELECT * FROM t2 WHERE x>0
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}
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} {1}
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do_test where5-2.5 {
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execsql {
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SELECT * FROM t2 WHERE x<>0
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}
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} {-1 1}
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do_test where5-2.6 {
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execsql {
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SELECT * FROM t2 WHERE x<NULL
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}
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} {}
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do_test where5-2.7 {
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execsql {
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SELECT * FROM t2 WHERE x<=NULL
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}
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} {}
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do_test where5-2.8 {
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execsql {
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SELECT * FROM t2 WHERE x=NULL
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}
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} {}
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do_test where5-2.9 {
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execsql {
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SELECT * FROM t2 WHERE x>=NULL
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}
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} {}
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do_test where5-2.10 {
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execsql {
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SELECT * FROM t2 WHERE x>NULL
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}
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} {}
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do_test where5-2.11 {
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execsql {
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SELECT * FROM t2 WHERE x!=NULL
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}
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} {}
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do_test where5-3.0 {
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execsql {
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SELECT * FROM t3 WHERE x<0
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}
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} {-1}
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do_test where5-3.1 {
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execsql {
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SELECT * FROM t3 WHERE x<=0
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}
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} {-1 0}
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do_test where5-3.2 {
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execsql {
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SELECT * FROM t3 WHERE x=0
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}
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} {0}
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do_test where5-3.3 {
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execsql {
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SELECT * FROM t3 WHERE x>=0
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}
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} {0 1}
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do_test where5-3.4 {
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execsql {
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SELECT * FROM t3 WHERE x>0
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}
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} {1}
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do_test where5-3.5 {
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execsql {
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SELECT * FROM t3 WHERE x<>0
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}
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} {-1 1}
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do_test where5-3.6 {
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execsql {
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SELECT * FROM t3 WHERE x<NULL
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}
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} {}
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do_test where5-3.7 {
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execsql {
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SELECT * FROM t3 WHERE x<=NULL
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}
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} {}
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do_test where5-3.8 {
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execsql {
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SELECT * FROM t3 WHERE x=NULL
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}
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} {}
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do_test where5-3.9 {
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execsql {
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SELECT * FROM t3 WHERE x>=NULL
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}
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} {}
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do_test where5-3.10 {
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execsql {
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SELECT * FROM t3 WHERE x>NULL
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}
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} {}
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do_test where5-3.11 {
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execsql {
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SELECT * FROM t3 WHERE x!=NULL
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}
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} {}
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finish_test
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