mirror of https://github.com/sqlite/sqlite
Bug fixes and additional test cases for the distinct-NULL patch. (CVS 592)
FossilOrigin-Name: 0e268d0c0faa02c3f95e1567cf631b7a04bfbdf0
This commit is contained in:
drh
parent
d702fccbce
commit
bb113518f9
24
manifest
24
manifest
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@ -1,5 +1,5 @@
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C Require\sthe\sINSTEAD\sOF\ssyntax\sto\screate\striggers\son\sdatabase\sviews.\s(CVS\s591)
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D 2002-05-26T23:24:41
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C Bug\sfixes\sand\sadditional\stest\scases\sfor\sthe\sdistinct-NULL\spatch.\s(CVS\s592)
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D 2002-05-27T01:04:51
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F Makefile.in 6291a33b87d2a395aafd7646ee1ed562c6f2c28c
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F Makefile.template 4e11752e0b5c7a043ca50af4296ec562857ba495
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F README a4c0ba11354ef6ba0776b400d057c59da47a4cc0
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@ -52,7 +52,7 @@ F src/tokenize.c facec7dc0b4a13e17ad67702f548dac2f7c6a732
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F src/trigger.c b7a93ffa7b91dafff433e6c87d603bfb1d50e3ee
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F src/update.c f68375173bf5338cae3e97012708e10f206aedd9
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F src/util.c a9f6e6f03e8b7137204ac15b35a58f321e38037e
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F src/vdbe.c caa269517b2392986c8f55401f272e76b9de82d9
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F src/vdbe.c ccbee9fb9b98a2fc75400865d69531da36cbf0f1
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F src/vdbe.h b8706429131c14b307a07aab7e47f95a9da53610
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F src/where.c b054f2f23127bd57eb5f973bcd38764b875d73fe
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F test/all.test e4d3821eeba751829b419cd47814bd20af4286d1
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@ -63,8 +63,8 @@ F test/btree3.test 9caa9e22491dd8cd8aa36d7ac3b48b089817c895
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F test/conflict.test 5149646703d3930c9111068b5cda7e2e938476e3
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F test/copy.test b3cefcb520c64d7e7dfedbab06b4d4c31fa5b99a
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F test/delete.test c904a62129fe102b314a96111a8417f10249e4d8
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F test/expr.test bfb773721e69566d2a7565c7f03b466e1f33a53f
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F test/func.test d34e461f0acb0cf2978a4b3a3e098460f2ea8fbc
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F test/expr.test 518ee35ec8d2c8883544d75a031219c75391fb21
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F test/func.test 1505ac9ebc11ca5c0300192d1519a542d5cbcfe1
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F test/in.test c09312672e3f0709fa02c8e2e9cd8fb4bd6269aa
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F test/index.test c8a471243bbf878974b99baf5badd59407237cf3
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F test/insert.test 58d44c19b3557f67f4aeb5110ed9ef02038c3684
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@ -76,7 +76,7 @@ F test/limit.test 6f98bcefc92209103bb3764c81975a6ec21d6702
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F test/lock.test 3fcfd46a73119f6a18094673328a32c7b3047a8f
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F test/main.test c66b564554b770ee7fdbf6a66c0cd90329bc2c85
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F test/malloc.test 7ba32a9ebd3aeed52ae4aaa6d42ca37e444536fd
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F test/minmax.test fb6ab400271ae1f5bc88617c2882f2f081ea8e6d
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F test/minmax.test c50bcc760433acd7ca8e22bc4c525b9ae82762e2
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F test/misc1.test df281e9b26cd1db5808939c7cf2703072d555be0
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F test/misuse.test a3aa2b18a97e4c409a1fcaff5151a4dd804a0162
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F test/notnull.test b1f3e42fc475b0b5827b27b2e9b562081995ff30
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@ -86,10 +86,10 @@ F test/printf.test 3cb415073754cb8ff076f26173143c3cd293a9da
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F test/quick.test 6f023c7a73fc413e6d65b7a1879c79764038dc05
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F test/quote.test 08f23385c685d3dc7914ec760d492cacea7f6e3d
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F test/rowid.test 4c55943300cddf73dd0f88d40a268cab14c83274
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F test/select1.test 6ba20b52d563b7fb917d8a61a7560d02f90a1a52
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F test/select1.test 4e1ac9cc3cbf5b3ceae388fb3d4ca1b9f9a1cc15
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F test/select2.test aceea74fd895b9d007512f72499db589735bd8e4
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F test/select3.test 9469c332250a75a0ef1771fb5da62dc04ec77f18
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F test/select4.test 0bc0065102573c6b71003292fd4a5def63923c61
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F test/select4.test 2ea8c7b7feceb853da167a39e4cce996a5c3ad88
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F test/select5.test c2a6c4a003316ee42cbbd689eebef8fdce0db2ac
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F test/select6.test efb8d0c07a440441db87db2c4ade6904e1407e85
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F test/sort.test 3b996ce7ca385f9cd559944ac0f4027a23aa546b
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@ -135,7 +135,7 @@ F www/speed.tcl da8afcc1d3ccc5696cfb388a68982bc3d9f7f00f
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F www/sqlite.tcl 8b5884354cb615049aed83039f8dfe1552a44279
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F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
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F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
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P 46ce1a9ab6e527958ebc757fa2175c488299cd84
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R 35b518a6cb0a7aed91c92408e7bd6686
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U danielk1977
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Z 9e3f1ec0355281ef07dac5144d661dfb
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P d9e48cd5180e2aae7672b9d54e18c37d0fe5258a
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R fc93e940356a8b3ec291e98d6e7a4c6b
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U drh
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Z b54c0b1652f6c89ad5dde6fb5c2177ec
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@ -1 +1 @@
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d9e48cd5180e2aae7672b9d54e18c37d0fe5258a
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0e268d0c0faa02c3f95e1567cf631b7a04bfbdf0
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45
src/vdbe.c
45
src/vdbe.c
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@ -30,7 +30,7 @@
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** But other routines are also provided to help in building up
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** a program instruction by instruction.
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**
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** $Id: vdbe.c,v 1.149 2002/05/26 20:54:34 drh Exp $
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** $Id: vdbe.c,v 1.150 2002/05/27 01:04:51 drh Exp $
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*/
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#include "sqliteInt.h"
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#include <ctype.h>
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@ -2132,38 +2132,47 @@ case OP_Ge: {
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** Pop two values off the stack. Take the logical AND of the
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** two values and push the resulting boolean value back onto the
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** stack.
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** If either operand is NULL, the result is NULL.
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*/
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/* Opcode: Or * * *
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**
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** Pop two values off the stack. Take the logical OR of the
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** two values and push the resulting boolean value back onto the
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** stack.
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** If either operand is NULL, the result is NULL.
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*/
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case OP_And:
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case OP_Or: {
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int tos = p->tos;
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int nos = tos - 1;
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int c;
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int v1, v2; /* 0==TRUE, 1==FALSE, 2==UNKNOWN or NULL */
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VERIFY( if( nos<0 ) goto not_enough_stack; )
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if( (aStack[tos].flags | aStack[nos].flags) & STK_Null ){
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POPSTACK;
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Release(p, nos);
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aStack[nos].flags = STK_Null;
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break;
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}
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Integerify(p, tos);
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Integerify(p, nos);
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if( pOp->opcode==OP_And ){
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c = aStack[tos].i && aStack[nos].i;
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if( aStack[tos].flags & STK_Null ){
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v1 = 2;
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}else{
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c = aStack[tos].i || aStack[nos].i;
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Integerify(p, tos);
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v1 = aStack[tos].i==0;
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}
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if( aStack[nos].flags & STK_Null ){
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v2 = 2;
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}else{
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Integerify(p, nos);
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v2 = aStack[nos].i==0;
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}
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if( pOp->opcode==OP_And ){
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static const unsigned char and_logic[] = { 0, 1, 2, 1, 1, 1, 2, 1, 2 };
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v1 = and_logic[v1*3+v2];
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}else{
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static const unsigned char or_logic[] = { 0, 0, 0, 0, 1, 2, 0, 2, 2 };
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v1 = or_logic[v1*3+v2];
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}
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POPSTACK;
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Release(p, nos);
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aStack[nos].i = c;
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aStack[nos].flags = STK_Int;
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Release(p, nos);
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if( v1==2 ){
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aStack[nos].flags = STK_Null;
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}else{
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aStack[nos].i = v1==0;
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aStack[nos].flags = STK_Int;
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}
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break;
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}
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125
test/expr.test
125
test/expr.test
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@ -11,7 +11,7 @@
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing expressions.
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#
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# $Id: expr.test,v 1.20 2002/05/26 20:54:34 drh Exp $
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# $Id: expr.test,v 1.21 2002/05/27 01:04:51 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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@ -82,6 +82,47 @@ test_expr expr-1.53 {i1=099999999999, i2=99999999999} {i1<i2} 0
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test_expr expr-1.54 {i1=099999999999, i2=99999999999} {i1=i2} 1
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test_expr expr-1.55 {i1=099999999999, i2=99999999999} {i1>i2} 0
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test_expr expr-1.56 {i1=25, i2=11} {i1%i2} 3
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test_expr expr-1.58 {i1=NULL, i2=1} {coalesce(i1+i2,99)} 99
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test_expr expr-1.59 {i1=1, i2=NULL} {coalesce(i1+i2,99)} 99
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test_expr expr-1.60 {i1=NULL, i2=NULL} {coalesce(i1+i2,99)} 99
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test_expr expr-1.61 {i1=NULL, i2=1} {coalesce(i1-i2,99)} 99
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test_expr expr-1.62 {i1=1, i2=NULL} {coalesce(i1-i2,99)} 99
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test_expr expr-1.63 {i1=NULL, i2=NULL} {coalesce(i1-i2,99)} 99
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test_expr expr-1.64 {i1=NULL, i2=1} {coalesce(i1*i2,99)} 99
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test_expr expr-1.65 {i1=1, i2=NULL} {coalesce(i1*i2,99)} 99
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test_expr expr-1.66 {i1=NULL, i2=NULL} {coalesce(i1*i2,99)} 99
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test_expr expr-1.67 {i1=NULL, i2=1} {coalesce(i1/i2,99)} 99
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test_expr expr-1.68 {i1=1, i2=NULL} {coalesce(i1/i2,99)} 99
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test_expr expr-1.69 {i1=NULL, i2=NULL} {coalesce(i1/i2,99)} 99
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test_expr expr-1.70 {i1=NULL, i2=1} {coalesce(i1<i2,99)} 99
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test_expr expr-1.71 {i1=1, i2=NULL} {coalesce(i1>i2,99)} 99
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test_expr expr-1.72 {i1=NULL, i2=NULL} {coalesce(i1<=i2,99)} 99
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test_expr expr-1.73 {i1=NULL, i2=1} {coalesce(i1>=i2,99)} 99
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test_expr expr-1.74 {i1=1, i2=NULL} {coalesce(i1!=i2,99)} 99
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test_expr expr-1.75 {i1=NULL, i2=NULL} {coalesce(i1==i2,99)} 99
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test_expr expr-1.76 {i1=NULL, i2=NULL} {coalesce(not i1,99)} 99
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test_expr expr-1.77 {i1=NULL, i2=NULL} {coalesce(-i1,99)} 99
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test_expr expr-1.78 {i1=NULL, i2=NULL} {coalesce(i1 IS NULL AND i2=5,99)} 99
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test_expr expr-1.79 {i1=NULL, i2=NULL} {coalesce(i1 IS NULL OR i2=5,99)} 1
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test_expr expr-1.80 {i1=NULL, i2=NULL} {coalesce(i1=5 AND i2 IS NULL,99)} 99
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test_expr expr-1.81 {i1=NULL, i2=NULL} {coalesce(i1=5 OR i2 IS NULL,99)} 1
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test_expr expr-1.82 {i1=NULL, i2=3} {coalesce(min(i1,i2,1),99)} 99
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test_expr expr-1.83 {i1=NULL, i2=3} {coalesce(max(i1,i2,1),99)} 99
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test_expr expr-1.84 {i1=3, i2=NULL} {coalesce(min(i1,i2,1),99)} 99
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test_expr expr-1.85 {i1=3, i2=NULL} {coalesce(max(i1,i2,1),99)} 99
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test_expr expr-1.86 {i1=3, i2=8} {5 between i1 and i2} 1
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test_expr expr-1.87 {i1=3, i2=8} {5 not between i1 and i2} 0
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test_expr expr-1.88 {i1=3, i2=8} {55 between i1 and i2} 0
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test_expr expr-1.89 {i1=3, i2=8} {55 not between i1 and i2} 1
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test_expr expr-1.90 {i1=3, i2=NULL} {5 between i1 and i2} {{}}
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test_expr expr-1.91 {i1=3, i2=NULL} {5 not between i1 and i2} {{}}
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test_expr expr-1.92 {i1=3, i2=NULL} {2 between i1 and i2} 0
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test_expr expr-1.93 {i1=3, i2=NULL} {2 not between i1 and i2} 1
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test_expr expr-1.94 {i1=NULL, i2=8} {2 between i1 and i2} {{}}
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test_expr expr-1.95 {i1=NULL, i2=8} {2 not between i1 and i2} {{}}
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test_expr expr-1.94 {i1=NULL, i2=8} {55 between i1 and i2} 0
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test_expr expr-1.95 {i1=NULL, i2=8} {55 not between i1 and i2} 1
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test_expr expr-2.1 {r1=1.23, r2=2.34} {r1+r2} 3.57
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test_expr expr-2.2 {r1=1.23, r2=2.34} {r1-r2} -1.11
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@ -107,6 +148,7 @@ test_expr expr-2.21 {r1=2.34, r2=2.34} {r2==r1} 1
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test_expr expr-2.22 {r1=1.23, r2=2.34} {min(r1,r2,r1+r2,r1-r2)} {-1.11}
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test_expr expr-2.23 {r1=1.23, r2=2.34} {max(r1,r2,r1+r2,r1-r2)} {3.57}
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test_expr expr-2.24 {r1=25.0, r2=11.0} {r1%r2} 3
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test_expr expr-2.25 {r1=1.23, r2=NULL} {coalesce(r1+r2,99.0)} 99.0
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test_expr expr-3.1 {t1='abc', t2='xyz'} {t1<t2} 1
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test_expr expr-3.2 {t1='xyz', t2='abc'} {t1<t2} 0
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@ -205,6 +247,11 @@ if {[sqlite -encoding]=="iso8859"} {
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test_expr expr-5.53 "t1='ax\241', t2='A_%'" {t1 LIKE t2} 1
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}
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}
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test_expr expr-5.54 {t1='abc', t2=NULL} {t1 LIKE t2} {{}}
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test_expr expr-5.55 {t1='abc', t2=NULL} {t1 NOT LIKE t2} {{}}
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test_expr expr-5.56 {t1='abc', t2=NULL} {t2 LIKE t1} {{}}
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test_expr expr-5.57 {t1='abc', t2=NULL} {t2 NOT LIKE t1} {{}}
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test_expr expr-6.1 {t1='abc', t2='xyz'} {t1 GLOB t2} 0
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test_expr expr-6.2 {t1='abc', t2='ABC'} {t1 GLOB t2} 0
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@ -232,21 +279,6 @@ test_expr expr-6.23 {t1='abcdefg', t2='a*?g'} {t1 GLOB t2} 1
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test_expr expr-6.24 {t1='ac', t2='a*c'} {t1 GLOB t2} 1
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test_expr expr-6.25 {t1='ac', t2='a*?c'} {t1 GLOB t2} 0
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test_expr expr-case.1 {i1=1, i2=2} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} ne
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test_expr expr-case.2 {i1=2, i2=2} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} eq
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test_expr expr-case.3 {i1=2} \
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{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' ELSE 'error' END} two
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test_expr expr-case.4 {i1=3} \
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{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' ELSE 'error' END} error
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test_expr expr-case.5 {i1=3} \
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{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' END} {{}}
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test_expr expr-case.6 {i1=7} \
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{ CASE WHEN i1 < 5 THEN 'low'
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WHEN i1 < 10 THEN 'medium'
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WHEN i1 < 15 THEN 'high' ELSE 'error' END} medium
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# These tests only work on versions of TCL that support Unicode
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#
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@ -295,6 +327,36 @@ if {[sqlite -encoding]=="iso8859"} {
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test_expr expr-6.62 "t1='a\266b', t2='a\[x-\265\]b'" {t1 GLOB t2} 0
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}
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}
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test_expr expr-6.63 {t1=NULL, t2='a*?c'} {t1 GLOB t2} {{}}
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test_expr expr-6.64 {t1='ac', t2=NULL} {t1 GLOB t2} {{}}
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test_expr expr-6.65 {t1=NULL, t2='a*?c'} {t1 NOT GLOB t2} {{}}
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test_expr expr-6.66 {t1='ac', t2=NULL} {t1 NOT GLOB t2} {{}}
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test_expr expr-case.1 {i1=1, i2=2} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} ne
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test_expr expr-case.2 {i1=2, i2=2} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} eq
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test_expr expr-case.3 {i1=NULL, i2=2} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} {{}}
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test_expr expr-case.4 {i1=2, i2=NULL} \
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{CASE WHEN i1 = i2 THEN 'eq' ELSE 'ne' END} {{}}
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test_expr expr-case.5 {i1=2} \
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{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' ELSE 'error' END} two
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test_expr expr-case.6 {i1=1} \
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{CASE i1 WHEN 1 THEN 'one' WHEN NULL THEN 'two' ELSE 'error' END} one
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test_expr expr-case.7 {i1=2} \
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{CASE i1 WHEN 1 THEN 'one' WHEN NULL THEN 'two' ELSE 'error' END} {{}}
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test_expr expr-case.8 {i1=3} \
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{CASE i1 WHEN 1 THEN 'one' WHEN NULL THEN 'two' ELSE 'error' END} {{}}
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test_expr expr-case.9 {i1=3} \
|
||||
{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' ELSE 'error' END} error
|
||||
test_expr expr-case.10 {i1=3} \
|
||||
{CASE i1 WHEN 1 THEN 'one' WHEN 2 THEN 'two' END} {{}}
|
||||
test_expr expr-case.11 {i1=7} \
|
||||
{ CASE WHEN i1 < 5 THEN 'low'
|
||||
WHEN i1 < 10 THEN 'medium'
|
||||
WHEN i1 < 15 THEN 'high' ELSE 'error' END} medium
|
||||
|
||||
|
||||
# The sqliteExprIfFalse and sqliteExprIfTrue routines are only
|
||||
# executed as part of a WHERE clause. Create a table suitable
|
||||
|
|
@ -344,5 +406,36 @@ test_expr2 expr-7.25 {a GLOB '2?' OR a==8} {8 20}
|
|||
test_expr2 expr-7.26 {a isnull OR a=8} {{} 8}
|
||||
test_expr2 expr-7.27 {a notnull OR a=8} \
|
||||
{1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20}
|
||||
test_expr2 expr-7.28 {a<0 OR b=0} {{}}
|
||||
test_expr2 expr-7.29 {b=0 OR a<0} {{}}
|
||||
test_expr2 expr-7.30 {a<0 AND b=0} {}
|
||||
test_expr2 expr-7.31 {b=0 AND a<0} {}
|
||||
test_expr2 expr-7.32 {a IS NULL AND (a<0 OR b=0)} {{}}
|
||||
test_expr2 expr-7.33 {a IS NULL AND (b=0 OR a<0)} {{}}
|
||||
test_expr2 expr-7.34 {a IS NULL AND (a<0 AND b=0)} {}
|
||||
test_expr2 expr-7.35 {a IS NULL AND (b=0 AND a<0)} {}
|
||||
test_expr2 expr-7.32 {(a<0 OR b=0) AND a IS NULL} {{}}
|
||||
test_expr2 expr-7.33 {(b=0 OR a<0) AND a IS NULL} {{}}
|
||||
test_expr2 expr-7.34 {(a<0 AND b=0) AND a IS NULL} {}
|
||||
test_expr2 expr-7.35 {(b=0 AND a<0) AND a IS NULL} {}
|
||||
test_expr2 expr-7.36 {a<2 OR (a<0 OR b=0)} {{} 1}
|
||||
test_expr2 expr-7.37 {a<2 OR (b=0 OR a<0)} {{} 1}
|
||||
test_expr2 expr-7.38 {a<2 OR (a<0 AND b=0)} {1}
|
||||
test_expr2 expr-7.39 {a<2 OR (b=0 AND a<0)} {1}
|
||||
test_expr2 expr-7.40 {((a<2 OR a IS NULL) AND b<3) OR b>1e10} {{} 1}
|
||||
test_expr2 expr-7.41 {a BETWEEN -1 AND 1} {1}
|
||||
test_expr2 expr-7.42 {a NOT BETWEEN 2 AND 100} {1}
|
||||
|
||||
test_expr2 expr-7.50 {((a between 1 and 2 OR 0) AND 1) OR 0} {1 2}
|
||||
test_expr2 expr-7.51 {((a not between 3 and 100 OR 0) AND 1) OR 0} {1 2}
|
||||
test_expr2 expr-7.52 {((a in (1,2) OR 0) AND 1) OR 0} {1 2}
|
||||
test_expr2 expr-7.53 {((a not in (3,4,5,6,7,8,9,10) OR 0) AND a<11) OR 0} {1 2}
|
||||
test_expr2 expr-7.54 {((a>0 OR 0) AND a<3) OR 0} {1 2}
|
||||
test_expr2 expr-7.55 {((a in (1,2) OR 0) IS NULL AND 1) OR 0} {{}}
|
||||
test_expr2 expr-7.56 {((a not in (3,4,5,6,7,8,9,10) IS NULL OR 0) AND 1) OR 0} \
|
||||
{{}}
|
||||
test_expr2 expr-7.57 {((a>0 IS NULL OR 0) AND 1) OR 0} {{}}
|
||||
|
||||
|
||||
|
||||
finish_test
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@
|
|||
# This file implements regression tests for SQLite library. The
|
||||
# focus of this file is testing built-in functions.
|
||||
#
|
||||
# $Id: func.test,v 1.10 2002/04/06 14:10:47 drh Exp $
|
||||
# $Id: func.test,v 1.11 2002/05/27 01:04:51 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
|
|
@ -55,8 +55,8 @@ do_test func-1.3 {
|
|||
ORDER BY length(t1)}
|
||||
} {2 1 4 2 7 1 8 1}
|
||||
do_test func-1.4 {
|
||||
execsql {SELECT length(a) FROM t2}
|
||||
} {1 0 3 0 5}
|
||||
execsql {SELECT coalesce(length(a),-1) FROM t2}
|
||||
} {1 -1 3 -1 5}
|
||||
|
||||
# Check out the substr() function
|
||||
#
|
||||
|
|
@ -197,8 +197,8 @@ do_test func-4.11 {
|
|||
catchsql {SELECT round() FROM t1 ORDER BY a}
|
||||
} {1 {wrong number of arguments to function round()}}
|
||||
do_test func-4.12 {
|
||||
execsql {SELECT round(a,2) FROM t2}
|
||||
} {1.00 0.00 345.00 0.00 67890.00}
|
||||
execsql {SELECT coalesce(round(a,2),'nil') FROM t2}
|
||||
} {1.00 nil 345.00 nil 67890.00}
|
||||
do_test func-4.13 {
|
||||
execsql {SELECT round(t1,2) FROM tbl1}
|
||||
} {0.00 0.00 0.00 0.00 0.00}
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@
|
|||
# aggregate min() and max() functions and which are handled as
|
||||
# as a special case.
|
||||
#
|
||||
# $Id: minmax.test,v 1.1 2002/02/19 22:42:06 drh Exp $
|
||||
# $Id: minmax.test,v 1.2 2002/05/27 01:04:51 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
|
|
@ -122,5 +122,11 @@ do_test minmax-3.3 {
|
|||
set sqlite_search_count
|
||||
} {0}
|
||||
|
||||
do_test minmax-4.1 {
|
||||
execsql {
|
||||
SELECT coalesce(min(x),-1), coalesce(max(x),-1) FROM
|
||||
(SELECT * FROM t1 UNION SELECT NULL as 'x', NULL as 'y')
|
||||
}
|
||||
} {-1 -1}
|
||||
|
||||
finish_test
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@
|
|||
# This file implements regression tests for SQLite library. The
|
||||
# focus of this file is testing the SELECT statement.
|
||||
#
|
||||
# $Id: select1.test,v 1.26 2002/05/24 20:31:38 drh Exp $
|
||||
# $Id: select1.test,v 1.27 2002/05/27 01:04:51 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
|
|
@ -188,8 +188,8 @@ do_test select1-2.13 {
|
|||
} {0 34}
|
||||
do_test select1-2.13.1 {
|
||||
execsql {SELECT coalesce(max(a),'xyzzy') FROM t3}
|
||||
} {abc}
|
||||
do_test select1-2.13.1 {
|
||||
} {xyzzy}
|
||||
do_test select1-2.13.2 {
|
||||
execsql {SELECT max(coalesce(a,'xyzzy')) FROM t3}
|
||||
} {xyzzy}
|
||||
do_test select1-2.14 {
|
||||
|
|
@ -468,10 +468,12 @@ do_test select1-8.3 {
|
|||
} {11 33}
|
||||
do_test select1-8.4 {
|
||||
execsql {
|
||||
SELECT f1/(f1-11), min(f1/(f1-11),5), max(f1/(f1-33),6)
|
||||
SELECT coalesce(f1/(f1-11),'x'),
|
||||
coalesce(min(f1/(f1-11),5),'y'),
|
||||
coalesce(max(f1/(f1-33),6),'z')
|
||||
FROM test1 ORDER BY f1
|
||||
}
|
||||
} {{} {} 6 1.5 1.5 6}
|
||||
} {x y 6 1.5 1.5 z}
|
||||
do_test select1-8.5 {
|
||||
execsql {
|
||||
SELECT min(1,2,3), -max(1,2,3)
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@
|
|||
# focus of this file is testing UNION, INTERSECT and EXCEPT operators
|
||||
# in SELECT statements.
|
||||
#
|
||||
# $Id: select4.test,v 1.7 2002/05/26 20:54:35 drh Exp $
|
||||
# $Id: select4.test,v 1.8 2002/05/27 01:04:51 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
|
|
@ -290,6 +290,14 @@ do_test select4-6.6 {
|
|||
}
|
||||
} {1 2}
|
||||
|
||||
# Test distinctness of NULL in other ways.
|
||||
#
|
||||
do_test select4-6.7 {
|
||||
execsql {
|
||||
SELECT NULL EXCEPT SELECT NULL
|
||||
}
|
||||
} {{}}
|
||||
|
||||
|
||||
# Make sure column names are correct when a compound select appears as
|
||||
# an expression in the WHERE clause.
|
||||
|
|
|
|||
Loading…
Reference in New Issue