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Overview
| Comment: | Fix for ticket #45: Allow an UPDATE statement to change the INTEGER PRIMARY KEY to itself without triggering a constraint error. (CVS 573) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
592da1346872e1373bd13525d05d0f33 |
| User & Date: | drh 2002-05-21 12:56:43 |
Context
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2002-05-21
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| 13:02 | Modify the shell so that when it is doing a ".dump" it always uses single quotes and not double quotes for quoting literal strings. This is for portability to other databases that only support single quote string literals. (CVS 574) (check-in: f795afd6 user: drh tags: trunk) | |
| 12:56 | Fix for ticket #45: Allow an UPDATE statement to change the INTEGER PRIMARY KEY to itself without triggering a constraint error. (CVS 573) (check-in: 592da134 user: drh tags: trunk) | |
| 11:38 | Additional code cleanup resulting from a review of the new trigger code. (CVS 572) (check-in: 37dbdd55 user: drh tags: trunk) | |
Changes
Changes to src/insert.c.
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle INSERT statements in SQLite. ** ** $Id: insert.c,v 1.56 2002/05/21 11:38:11 drh Exp $ */ #include "sqliteInt.h" /* ** This routine is call to handle SQL of the following forms: ** ** insert into TABLE (IDLIST) values(EXPRLIST) ................................................................................ if( overrideError!=OE_Default ){ onError = overrideError; }else if( onError==OE_Default ){ onError = pParse->db->onError; if( onError==OE_Default ) onError = OE_Abort; } if( onError!=OE_Replace ){ sqliteVdbeAddOp(v, OP_Dup, nCol, 1); jumpInst = sqliteVdbeAddOp(v, OP_NotExists, base, 0); switch( onError ){ case OE_Rollback: case OE_Abort: case OE_Fail: { sqliteVdbeAddOp(v, OP_Halt, SQLITE_CONSTRAINT, onError); ................................................................................ break; } default: assert(0); } contAddr = sqliteVdbeCurrentAddr(v); sqliteVdbeChangeP2(v, jumpInst, contAddr); if( isUpdate ){ sqliteVdbeAddOp(v, OP_Dup, nCol+1, 1); sqliteVdbeAddOp(v, OP_MoveTo, base, 0); } } } extra = 0; for(extra=(-1), iCur=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, iCur++){ |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle INSERT statements in SQLite. ** ** $Id: insert.c,v 1.57 2002/05/21 12:56:43 drh Exp $ */ #include "sqliteInt.h" /* ** This routine is call to handle SQL of the following forms: ** ** insert into TABLE (IDLIST) values(EXPRLIST) ................................................................................ if( overrideError!=OE_Default ){ onError = overrideError; }else if( onError==OE_Default ){ onError = pParse->db->onError; if( onError==OE_Default ) onError = OE_Abort; } if( onError!=OE_Replace ){ int jumpInst2; if( isUpdate ){ sqliteVdbeAddOp(v, OP_Dup, nCol+1, 1); sqliteVdbeAddOp(v, OP_Dup, nCol+1, 1); jumpInst2 = sqliteVdbeAddOp(v, OP_Eq, 0, 0); } sqliteVdbeAddOp(v, OP_Dup, nCol, 1); jumpInst = sqliteVdbeAddOp(v, OP_NotExists, base, 0); switch( onError ){ case OE_Rollback: case OE_Abort: case OE_Fail: { sqliteVdbeAddOp(v, OP_Halt, SQLITE_CONSTRAINT, onError); ................................................................................ break; } default: assert(0); } contAddr = sqliteVdbeCurrentAddr(v); sqliteVdbeChangeP2(v, jumpInst, contAddr); if( isUpdate ){ sqliteVdbeChangeP2(v, jumpInst2, contAddr); sqliteVdbeAddOp(v, OP_Dup, nCol+1, 1); sqliteVdbeAddOp(v, OP_MoveTo, base, 0); } } } extra = 0; for(extra=(-1), iCur=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, iCur++){ |
Changes to test/update.test.
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# 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 UPDATE statement. # # $Id: update.test,v 1.8 2001/11/09 22:41:45 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Try to update an non-existent table # do_test update-1.1 { ................................................................................ do_test update-9.4 { set v [catch {execsql { UPDATE test1 SET f1=11 WHERE x(f1)=1025 }} msg] lappend v $msg } {1 {no such function: x}} finish_test |
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# 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 UPDATE statement. # # $Id: update.test,v 1.9 2002/05/21 12:56:44 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Try to update an non-existent table # do_test update-1.1 { ................................................................................ do_test update-9.4 { set v [catch {execsql { UPDATE test1 SET f1=11 WHERE x(f1)=1025 }} msg] lappend v $msg } {1 {no such function: x}} # Try doing updates on a unique column where the value does not # really change. # do_test update-10.1 { execsql { DROP TABLE test1; CREATE TABLE t1( a integer primary key, b UNIQUE, c, d, e, f, UNIQUE(c,d) ); INSERT INTO t1 VALUES(1,2,3,4,5,6); INSERT INTO t1 VALUES(2,3,4,4,6,7); SELECT * FROM t1 } } {1 2 3 4 5 6 2 3 4 4 6 7} do_test update-10.2 { catchsql { UPDATE t1 SET a=1, e=9 WHERE f=6; SELECT * FROM t1; } } {0 {1 2 3 4 9 6 2 3 4 4 6 7}} do_test update-10.3 { catchsql { UPDATE t1 SET a=1, e=10 WHERE f=7; SELECT * FROM t1; } } {1 {constraint failed}} do_test update-10.4 { catchsql { SELECT * FROM t1; } } {0 {1 2 3 4 9 6 2 3 4 4 6 7}} do_test update-10.5 { catchsql { UPDATE t1 SET b=2, e=11 WHERE f=6; SELECT * FROM t1; } } {0 {1 2 3 4 11 6 2 3 4 4 6 7}} do_test update-10.6 { catchsql { UPDATE t1 SET b=2, e=12 WHERE f=7; SELECT * FROM t1; } } {1 {constraint failed}} do_test update-10.7 { catchsql { SELECT * FROM t1; } } {0 {1 2 3 4 11 6 2 3 4 4 6 7}} do_test update-10.8 { catchsql { UPDATE t1 SET c=3, d=4, e=13 WHERE f=6; SELECT * FROM t1; } } {0 {1 2 3 4 13 6 2 3 4 4 6 7}} do_test update-10.9 { catchsql { UPDATE t1 SET c=3, d=4, e=14 WHERE f=7; SELECT * FROM t1; } } {1 {constraint failed}} do_test update-10.10 { catchsql { SELECT * FROM t1; } } {0 {1 2 3 4 13 6 2 3 4 4 6 7}} finish_test |