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Overview
| Comment: | Do not allow bytes 0x80 through 0xBF to be the first character of an identifer because no valid UTF-8 character can begin with those bytes. If we allowed an identifier to begin with one of those bytes, then the substr() function in ALTER TABLE will not work correctly. (CVS 4003) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
252810424d8c4dcd19b369d62027094d |
| User & Date: | drh 2007-05-15 09:00:15 |
Context
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2007-05-15
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| 11:55 | A new approach for UTF-8 translation. (CVS 4004) (check-in: 6c8ad279 user: drh tags: trunk) | |
| 09:00 | Do not allow bytes 0x80 through 0xBF to be the first character of an identifer because no valid UTF-8 character can begin with those bytes. If we allowed an identifier to begin with one of those bytes, then the substr() function in ALTER TABLE will not work correctly. (CVS 4003) (check-in: 25281042 user: drh tags: trunk) | |
| 07:14 | Fix some test script errors in fuzz.test. (CVS 4002) (check-in: 51eeae7b user: danielk1977 tags: trunk) | |
Changes
Changes to src/tokenize.c.
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************************************************************************* ** An tokenizer for SQL ** ** This file contains C code that splits an SQL input string up into ** individual tokens and sends those tokens one-by-one over to the ** parser for analysis. ** ** $Id: tokenize.c,v 1.127 2007/05/08 13:58:28 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> #include <stdlib.h> /* ................................................................................ if( c ) i++; return i; } /* Otherwise fall through to the next case */ } #endif default: { if( !IdChar(*z) ){ break; } for(i=1; IdChar(z[i]); i++){} *tokenType = keywordCode((char*)z, i); return i; } } |
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************************************************************************* ** An tokenizer for SQL ** ** This file contains C code that splits an SQL input string up into ** individual tokens and sends those tokens one-by-one over to the ** parser for analysis. ** ** $Id: tokenize.c,v 1.128 2007/05/15 09:00:15 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> #include <stdlib.h> /* ................................................................................ if( c ) i++; return i; } /* Otherwise fall through to the next case */ } #endif default: { if( !IdChar(*z) || (*z & 0xc0)==0x80 ){ break; } for(i=1; IdChar(z[i]); i++){} *tokenType = keywordCode((char*)z, i); return i; } } |
Changes to test/alter.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 script is testing the ALTER TABLE statement. # # $Id: alter.test,v 1.22 2007/05/15 03:56:50 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_OMIT_ALTERTABLE is defined, omit this file. ifcapable !altertable { ................................................................................ execsql { ALTER TABLE t11 ADD COLUMN abc; } catchsql { ALTER TABLE t11 ADD COLUMN abc; } } {1 {duplicate column name: abc}} 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 script is testing the ALTER TABLE statement. # # $Id: alter.test,v 1.23 2007/05/15 09:00:16 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_OMIT_ALTERTABLE is defined, omit this file. ifcapable !altertable { ................................................................................ execsql { ALTER TABLE t11 ADD COLUMN abc; } catchsql { ALTER TABLE t11 ADD COLUMN abc; } } {1 {duplicate column name: abc}} do_test alter-11.2 { sqlite3_exec db {CREATE TABLE t11b("%81%82%83" text)} execsql { ALTER TABLE t11b ADD COLUMN abc; } catchsql { ALTER TABLE t11b ADD COLUMN abc; } } {1 {duplicate column name: abc}} do_test alter-11.3 { set v [sqlite3_exec db {CREATE TABLE t11c(%81%82%83 text)}] set v [string range $v 0 20]\175 } {1 {unrecognized token}} finish_test |