Simplifications to the uniqueness constraint failure error message

generation code. (CVS 6595)

FossilOrigin-Name: 8f3cac7682a0c992f95f7453aaf9a29b1fe35d6f
This commit is contained in:
drh 2009-05-02 15:46:46 +00:00
parent e61922a6a1
commit 098d1684d7
4 changed files with 35 additions and 37 deletions

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@ -1,5 +1,5 @@
C Remove\sthe\saFKey\shash\stable,\swhich\swas\snot\sbeing\sused.\s\sSimplify\sthe\nFKey\sobject.\s\sSimplify\sthe\shash.c\smodule\ssince\sthe\scopyKey\sparameter\nformerly\sused\sonly\sby\saFKey\sis\snow\sno\slonger\srequired.\s(CVS\s6594)
D 2009-05-02T13:29:38
C Simplifications\sto\sthe\suniqueness\sconstraint\sfailure\serror\smessage\ngeneration\scode.\s(CVS\s6595)
D 2009-05-02T15:46:47
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -121,7 +121,7 @@ F src/global.c 448419c44ce0701104c2121b0e06919b44514c0c
F src/hash.c 7e90268f62662dc8ccb9da1e93090ea64481e4f8
F src/hash.h 35b216c13343d0b4f87d9f21969ac55ad72174e1
F src/hwtime.h 4a1d45f4cae1f402ea19686acf24acf4f0cb53cb
F src/insert.c 0805018acaa97c5f5b83d4e058da821bc12fa0c6
F src/insert.c a655cd5e3aeb36039cef9653f050c53e2d5502dc
F src/journal.c e00df0c0da8413ab6e1bb7d7cab5665d4a9000d0
F src/legacy.c 2ad5b52df322d0f132f66817095e0e79c8942611
F src/loadext.c 3f96631089fc4f3871a67f02f2e4fc7ea4d51edc
@ -666,7 +666,7 @@ F test/triggerB.test 56780c031b454abac2340dbb3b71ac5c56c3d7fe
F test/types.test 98e7a631bddf0806204358b452b02d0e319318a6
F test/types2.test 3555aacf8ed8dc883356e59efc314707e6247a84
F test/types3.test a0f66bf12f80fad89493535474f7a6d16fa58150
F test/unique.test 0253c4227a5dc533e312202ce21ecfad18058d18
F test/unique.test 083c7fff74695bcc27a71d75699deba3595bc9c2
F test/update.test 8bc86fd7ef1a00014f76dc6a6a7c974df4aef172
F test/utf16align.test 54cd35a27c005a9b6e7815d887718780b6a462ae
F test/vacuum.test 68e39b2228b4b772166debef4a82accf6ddd32f3
@ -727,7 +727,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P 2229accef308db9feac4e1de16b57e7f680dbb1a
R 7adc2aa8ad28fd5fae72c98955166e30
P 80c43a355c6e482457abc2f9c3ad3a565cec55fb
R 8c49dd8877751309177109310f9f6e17
U drh
Z de5878a9bc4d8c7d1245568e36e5b246
Z 5db7a34baf28b41b86637568773d40b6

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@ -1 +1 @@
80c43a355c6e482457abc2f9c3ad3a565cec55fb
8f3cac7682a0c992f95f7453aaf9a29b1fe35d6f

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@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.264 2009/05/02 00:28:20 drh Exp $
** $Id: insert.c,v 1.265 2009/05/02 15:46:47 drh Exp $
*/
#include "sqliteInt.h"
@ -435,7 +435,7 @@ void sqlite3Insert(
*/
assert( pTabList->nSrc==1 );
zTab = pTabList->a[0].zName;
if( zTab==0 ) goto insert_cleanup;
if( NEVER(zTab==0) ) goto insert_cleanup;
pTab = sqlite3SrcListLookup(pParse, pTabList);
if( pTab==0 ){
goto insert_cleanup;
@ -557,7 +557,8 @@ void sqlite3Insert(
/* Resolve the expressions in the SELECT statement and execute it. */
rc = sqlite3Select(pParse, pSelect, &dest);
if( rc || pParse->nErr || db->mallocFailed ){
assert( pParse->nErr==0 || rc );
if( rc || NEVER(pParse->nErr) || db->mallocFailed ){
goto insert_cleanup;
}
sqlite3VdbeAddOp2(v, OP_Integer, 1, regEof); /* EOF <- 1 */
@ -1167,7 +1168,8 @@ void sqlite3GenerateConstraintChecks(
sqlite3VdbeAddOp2(v, OP_IsNull, regData+i, ignoreDest);
break;
}
case OE_Replace: {
default: {
assert( onError==OE_Replace );
j1 = sqlite3VdbeAddOp1(v, OP_NotNull, regData+i);
sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regData+i);
sqlite3VdbeJumpHere(v, j1);
@ -1295,30 +1297,25 @@ void sqlite3GenerateConstraintChecks(
case OE_Rollback:
case OE_Abort:
case OE_Fail: {
int j, n1, n2;
char zErrMsg[200];
sqlite3_snprintf(ArraySize(zErrMsg), zErrMsg,
pIdx->nColumn>1 ? "columns " : "column ");
n1 = sqlite3Strlen30(zErrMsg);
for(j=0; j<pIdx->nColumn && n1<ArraySize(zErrMsg)-30; j++){
int j;
StrAccum errMsg;
const char *zSep;
char *zErr;
sqlite3StrAccumInit(&errMsg, 0, 0, 200);
errMsg.db = pParse->db;
zSep = pIdx->nColumn>1 ? "columns " : "column ";
for(j=0; j<pIdx->nColumn; j++){
char *zCol = pTab->aCol[pIdx->aiColumn[j]].zName;
n2 = sqlite3Strlen30(zCol);
if( j>0 ){
sqlite3_snprintf(ArraySize(zErrMsg)-n1, &zErrMsg[n1], ", ");
n1 += 2;
}
if( n1+n2>ArraySize(zErrMsg)-30 ){
sqlite3_snprintf(ArraySize(zErrMsg)-n1, &zErrMsg[n1], "...");
n1 += 3;
break;
}else{
sqlite3_snprintf(ArraySize(zErrMsg)-n1, &zErrMsg[n1], "%s", zCol);
n1 += n2;
}
sqlite3StrAccumAppend(&errMsg, zSep, -1);
zSep = ", ";
sqlite3StrAccumAppend(&errMsg, zCol, -1);
}
sqlite3_snprintf(ArraySize(zErrMsg)-n1, &zErrMsg[n1],
pIdx->nColumn>1 ? " are not unique" : " is not unique");
sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_CONSTRAINT, onError, 0, zErrMsg,0);
sqlite3StrAccumAppend(&errMsg,
pIdx->nColumn>1 ? " are not unique" : " is not unique", -1);
zErr = sqlite3StrAccumFinish(&errMsg);
sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_CONSTRAINT, onError, 0, zErr, 0);
sqlite3DbFree(errMsg.db, zErr);
break;
}
case OE_Ignore: {
@ -1326,7 +1323,8 @@ void sqlite3GenerateConstraintChecks(
sqlite3VdbeAddOp2(v, OP_Goto, 0, ignoreDest);
break;
}
case OE_Replace: {
default: {
assert( onError==OE_Replace );
sqlite3GenerateRowDelete(pParse, pTab, baseCur, regR, 0);
seenReplace = 1;
break;

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@ -12,7 +12,7 @@
# focus of this file is testing the CREATE UNIQUE INDEX statement,
# and primary keys, and the UNIQUE constraint on table columns
#
# $Id: unique.test,v 1.8 2005/06/24 03:53:06 drh Exp $
# $Id: unique.test,v 1.9 2009/05/02 15:46:47 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -248,6 +248,6 @@ do_test unique-5.2 {
catchsql {
INSERT INTO t5 VALUES(1,2,3,4,5,6);
}
} {1 {columns first_column_with_long_name, second_column_with_long_name, third_column_with_long_name, fourth_column_with_long_name, fifth_column_with_long_name, ... are not unique}}
} {1 {columns first_column_with_long_name, second_column_with_long_name, third_column_with_long_name, fourth_column_with_long_name, fifth_column_with_long_name, sixth_column_with_long_name are not unique}}
finish_test