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Overview
Comment:When comparing names during name resolution, make sure the names match exactly and that one name isn't merely a prefix of the other. Fix for ticket [7a31705a7e6c95d51].
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SHA1:c2d5a23b1ab39918e97c596cf75c42f86a5fe2b7
User & Date: drh 2013-02-26 12:57:42
Context
2013-02-26
18:54
In the incrvacuum3 test, add missing call to the Tcl close command. check-in: cd806723 user: mistachkin tags: trunk
12:57
When comparing names during name resolution, make sure the names match exactly and that one name isn't merely a prefix of the other. Fix for ticket [7a31705a7e6c95d51]. check-in: c2d5a23b user: drh tags: trunk
06:14
Change the way test script incrvacuum3.test copies database files in order to avoid trying to read the (locked) 512 byte 'pending-byte' region. check-in: fa1842e4 user: dan tags: trunk
Changes
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Changes to src/resolve.c.

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  const char *zSpan,
  const char *zCol,
  const char *zTab,
  const char *zDb
){
  int n;
  for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
  if( zDb && sqlite3StrNICmp(zSpan, zDb, n)!=0 ){
    return 0;
  }
  zSpan += n+1;
  for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
  if( zTab && sqlite3StrNICmp(zSpan, zTab, n)!=0 ){
    return 0;
  }
  zSpan += n+1;
  if( zCol && sqlite3StrICmp(zSpan, zCol)!=0 ){
    return 0;
  }
  return 1;







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  const char *zSpan,
  const char *zCol,
  const char *zTab,
  const char *zDb
){
  int n;
  for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
  if( zDb && (sqlite3StrNICmp(zSpan, zDb, n)!=0 || zDb[n]!=0) ){
    return 0;
  }
  zSpan += n+1;
  for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
  if( zTab && (sqlite3StrNICmp(zSpan, zTab, n)!=0 || zTab[n]!=0) ){
    return 0;
  }
  zSpan += n+1;
  if( zCol && sqlite3StrICmp(zSpan, zCol)!=0 ){
    return 0;
  }
  return 1;

Added test/tkt-7a31705a7e6.test.





















































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# 2013 February 26
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    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. Specifically,
# it tests that ticket [7a31705a7e6c95d514e6f20a6900f436bbc9fed8] in the
# name resolver has been fixed.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_execsql_test tkt-7a31705a7e6-1.1 {
  CREATE TABLE t1 (a INTEGER PRIMARY KEY);
  CREATE TABLE t2 (a INTEGER PRIMARY KEY, b INTEGER);
  CREATE TABLE t2x (b INTEGER PRIMARY KEY);
  SELECT t1.a FROM ((t1 JOIN t2 ON t1.a=t2.a) AS x JOIN t2x ON x.b=t2x.b) as y;
} {}