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Overview
| Comment: | Do not crash when a corrupt database contains two indices with the same name. (CVS 3684) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
48b2a40008a09881ed9da3548095495a |
| User & Date: | danielk1977 2007-03-13 16:32:25 |
Context
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2007-03-13
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| 16:33 | Add hyperlink anchors to the lockingv3.html document. (CVS 3685) check-in: 3e66ea6f user: drh tags: trunk | |
| 16:32 | Do not crash when a corrupt database contains two indices with the same name. (CVS 3684) check-in: 48b2a400 user: danielk1977 tags: trunk | |
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2007-03-12
| ||
| 23:48 | Clarify the use of loop variables in a expr.c. (CVS 3683) check-in: e20e76f6 user: drh tags: trunk | |
Changes
Changes to src/build.c.
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** CREATE INDEX ** DROP INDEX ** creating ID lists ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** ** $Id: build.c,v 1.413 2007/02/02 12:44:37 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** This routine is called when a new SQL statement is beginning to ** be parsed. Initialize the pParse structure as needed. ................................................................................ if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto exit_create_index; if( zName==0 ) goto exit_create_index; if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){ goto exit_create_index; } if( !db->init.busy ){ if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto exit_create_index; if( sqlite3FindIndex(db, zName, pDb->zName)!=0 ){ if( !ifNotExist ){ sqlite3ErrorMsg(pParse, "index %s already exists", zName); } goto exit_create_index; } if( sqlite3FindTable(db, zName, 0)!=0 ){ sqlite3ErrorMsg(pParse, "there is already a table named %s", zName); goto exit_create_index; } } }else{ char zBuf[30]; int n; Index *pLoop; for(pLoop=pTab->pIndex, n=1; pLoop; pLoop=pLoop->pNext, n++){} sprintf(zBuf,"_%d",n); zName = 0; |
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** CREATE INDEX ** DROP INDEX ** creating ID lists ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** ** $Id: build.c,v 1.414 2007/03/13 16:32:25 danielk1977 Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** This routine is called when a new SQL statement is beginning to ** be parsed. Initialize the pParse structure as needed. ................................................................................ if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto exit_create_index; if( zName==0 ) goto exit_create_index; if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){ goto exit_create_index; } if( !db->init.busy ){ if( SQLITE_OK!=sqlite3ReadSchema(pParse) ) goto exit_create_index; if( sqlite3FindTable(db, zName, 0)!=0 ){ sqlite3ErrorMsg(pParse, "there is already a table named %s", zName); goto exit_create_index; } } if( sqlite3FindIndex(db, zName, pDb->zName)!=0 ){ if( !ifNotExist ){ sqlite3ErrorMsg(pParse, "index %s already exists", zName); } goto exit_create_index; } }else{ char zBuf[30]; int n; Index *pLoop; for(pLoop=pTab->pIndex, n=1; pLoop; pLoop=pLoop->pNext, n++){} sprintf(zBuf,"_%d",n); zName = 0; |
Changes to test/corrupt2.test.
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# #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests to make sure SQLite does not crash or # segfault if it sees a corrupt database file. # # $Id: corrupt2.test,v 1.3 2007/02/14 12:32:13 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # The following tests - corrupt2-1.* - create some databases corrupted in # specific ways and ensure that SQLite detects them as corrupt. # ................................................................................ close $f sqlite3 db2 corrupt.db catchsql { SELECT * FROM sqlite_master; } db2 } {1 {database disk image is malformed}} db2 close finish_test |
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# #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests to make sure SQLite does not crash or # segfault if it sees a corrupt database file. # # $Id: corrupt2.test,v 1.4 2007/03/13 16:32:25 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # The following tests - corrupt2-1.* - create some databases corrupted in # specific ways and ensure that SQLite detects them as corrupt. # ................................................................................ close $f sqlite3 db2 corrupt.db catchsql { SELECT * FROM sqlite_master; } db2 } {1 {database disk image is malformed}} db2 close # Corrupt a database by having 2 indices of the same name: do_test corrupt2-2.1 { file delete -force corrupt.db file delete -force corrupt.db-journal copy_file test.db corrupt.db sqlite3 db2 corrupt.db execsql { CREATE INDEX a1 ON abc(a); CREATE INDEX a2 ON abc(b); PRAGMA writable_schema = 1; UPDATE sqlite_master SET name = 'a3', sql = 'CREATE INDEX a3' || substr(sql, 16, 10000) WHERE type = 'index'; PRAGMA writable_schema = 0; } db2 db2 close sqlite3 db2 corrupt.db catchsql { SELECT * FROM sqlite_master; } db2 } {1 {malformed database schema - index a3 already exists}} db2 close finish_test |