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Overview
Comment:Add the SQLITE_CASE_SENSITIVE_LIKE compile-time option. (CVS 2539)
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SHA1:b72bff81f9937378417a0af0610d8558279b67a7
User & Date: drh 2005-07-08 13:53:22
Context
2005-07-08
14:14
Add the EP_OptOnly flag on expressions for WHERE clause terms that are added by the optimizer but should not be coded. (CVS 2540) check-in: f4a66ed0 user: drh tags: trunk
13:53
Add the SQLITE_CASE_SENSITIVE_LIKE compile-time option. (CVS 2539) check-in: b72bff81 user: drh tags: trunk
13:08
Replace OP_List with OP_Fifo. This is the first step toward allowing recursive delete triggers and later foreign keys with cascading deletes. (CVS 2538) check-in: 94c120bb user: drh tags: trunk
Changes
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Changes to src/func.c. 

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** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.100 2005/06/25 18:42:14 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
struct compareInfo {
  u8 matchAll;
  u8 matchOne;
  u8 matchSet;
  u8 noCase;
};
static const struct compareInfo globInfo = { '*', '?', '[', 0 };



static const struct compareInfo likeInfo = { '%', '_',   0, 1 };






/*
** X is a pointer to the first byte of a UTF-8 character.  Increment
** X so that it points to the next character.  This only works right
** if X points to a well-formed UTF-8 string.
*/
#define sqliteNextChar(X)  while( (0xc0&*++(X))==0x80 ){}








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** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.101 2005/07/08 13:53:22 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
#include <math.h>
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
struct compareInfo {
  u8 matchAll;
  u8 matchOne;
  u8 matchSet;
  u8 noCase;
};
static const struct compareInfo globInfo = { '*', '?', '[', 0 };
#ifndef SQLITE_CASE_SENSITIVE_LIKE
  /* The correct SQL-92 behavior is for the LIKE operator to ignore
  ** case.  Thus  'a' LIKE 'A' would be true. */
  static const struct compareInfo likeInfo = { '%', '_',   0, 1 };
#else
  /* If SQLITE_CASE_SENSITIVE_LIKE is defined, then the LIKE operator
  ** is case sensitive causing 'a' LIKE 'A' to be false */
  static const struct compareInfo likeInfo = { '%', '_',   0, 0 };
#endif

/*
** X is a pointer to the first byte of a UTF-8 character.  Increment
** X so that it points to the next character.  This only works right
** if X points to a well-formed UTF-8 string.
*/
#define sqliteNextChar(X)  while( (0xc0&*++(X))==0x80 ){}

Changes to test/expr.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 expressions.
#
# $Id: expr.test,v 1.43 2005/01/21 11:55:27 danielk1977 Exp $

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

# Create a table to work with.
#
execsql {CREATE TABLE test1(i1 int, i2 int, r1 real, r2 real, t1 text, t2 text)}
................................................................................
test_expr epxr-3.39 {t1='abc', t2=NULL} {coalesce(t1>=t2,99)} 99
test_expr epxr-3.40 {t1='abc', t2=NULL} {coalesce(t2>=t1,99)} 99
test_expr epxr-3.41 {t1='abc', t2=NULL} {coalesce(t1==t2,99)} 99
test_expr epxr-3.42 {t1='abc', t2=NULL} {coalesce(t2==t1,99)} 99
test_expr epxr-3.43 {t1='abc', t2=NULL} {coalesce(t1!=t2,99)} 99
test_expr epxr-3.44 {t1='abc', t2=NULL} {coalesce(t2!=t1,99)} 99


test_expr expr-4.1 {t1='abc', t2='Abc'} {t1<t2} 0
test_expr expr-4.2 {t1='abc', t2='Abc'} {t1>t2} 1
test_expr expr-4.3 {t1='abc', t2='Bbc'} {t1<t2} 0
test_expr expr-4.4 {t1='abc', t2='Bbc'} {t1>t2} 1
test_expr expr-4.5 {t1='0', t2='0.0'} {t1==t2} 0
test_expr expr-4.6 {t1='0.000', t2='0.0'} {t1==t2} 0
test_expr expr-4.7 {t1=' 0.000', t2=' 0.0'} {t1==t2} 0
................................................................................
test_expr expr-4.14 {r1='abc', r2='Bbc'} {r1>r2} 1
test_expr expr-4.15 {r1='0', r2='0.0'} {r1==r2} 1
test_expr expr-4.16 {r1='0.000', r2='0.0'} {r1==r2} 1
test_expr expr-4.17 {r1=' 0.000', r2=' 0.0'} {r1==r2} 0
test_expr expr-4.18 {r1='0.0', r2='abc'} {r1<r2} 1
test_expr expr-4.19 {r1='0.0', r2='abc'} {r1==r2} 0
test_expr expr-4.20 {r1='0.0', r2='abc'} {r1>r2} 0







test_expr expr-5.1 {t1='abc', t2='xyz'} {t1 LIKE t2} 0

test_expr expr-5.2 {t1='abc', t2='ABC'} {t1 LIKE t2} 1

test_expr expr-5.3 {t1='abc', t2='A_C'} {t1 LIKE t2} 1
test_expr expr-5.4 {t1='abc', t2='abc_'} {t1 LIKE t2} 0

test_expr expr-5.5 {t1='abc', t2='A%C'} {t1 LIKE t2} 1
test_expr expr-5.5a {t1='abdc', t2='a%c'} {t1 LIKE t2} 1

test_expr expr-5.5b {t1='ac', t2='A%C'} {t1 LIKE t2} 1

test_expr expr-5.6 {t1='abxyzzyc', t2='A%C'} {t1 LIKE t2} 1

test_expr expr-5.7 {t1='abxyzzy', t2='A%C'} {t1 LIKE t2} 0


test_expr expr-5.8 {t1='abxyzzycx', t2='A%C'} {t1 LIKE t2} 0
test_expr expr-5.8b {t1='abxyzzycy', t2='A%CX'} {t1 LIKE t2} 0


test_expr expr-5.9 {t1='abc', t2='A%_C'} {t1 LIKE t2} 1
test_expr expr-5.9b {t1='ac', t2='A%_C'} {t1 LIKE t2} 0

test_expr expr-5.10 {t1='abxyzzyc', t2='A%_C'} {t1 LIKE t2} 1
test_expr expr-5.11 {t1='abc', t2='xyz'} {t1 NOT LIKE t2} 1

test_expr expr-5.12 {t1='abc', t2='ABC'} {t1 NOT LIKE t2} 0

# The following tests only work on versions of TCL that support Unicode
#
if {"\u1234"!="u1234"} {

  test_expr expr-5.13 "t1='a\u0080c', t2='A_C'" {t1 LIKE t2} 1

  test_expr expr-5.14 "t1='a\u07FFc', t2='A_C'" {t1 LIKE t2} 1

  test_expr expr-5.15 "t1='a\u0800c', t2='A_C'" {t1 LIKE t2} 1

  test_expr expr-5.16 "t1='a\uFFFFc', t2='A_C'" {t1 LIKE t2} 1
  test_expr expr-5.17 "t1='a\u0080', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.18 "t1='a\u07FF', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.19 "t1='a\u0800', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.20 "t1='a\uFFFF', t2='A__'" {t1 LIKE t2} 0

  test_expr expr-5.21 "t1='ax\uABCD', t2='A_\uABCD'" {t1 LIKE t2} 1

  test_expr expr-5.22 "t1='ax\u1234', t2='A%\u1234'" {t1 LIKE t2} 1

  test_expr expr-5.23 "t1='ax\uFEDC', t2='A_%'" {t1 LIKE t2} 1

  test_expr expr-5.24 "t1='ax\uFEDCy\uFEDC', t2='A%\uFEDC'" {t1 LIKE t2} 1
}

test_expr expr-5.54 {t1='abc', t2=NULL} {t1 LIKE t2} {{}}
test_expr expr-5.55 {t1='abc', t2=NULL} {t1 NOT LIKE t2} {{}}
test_expr expr-5.56 {t1='abc', t2=NULL} {t2 LIKE t1} {{}}
test_expr expr-5.57 {t1='abc', t2=NULL} {t2 NOT LIKE t1} {{}}

# LIKE expressions that use ESCAPE characters.

test_expr expr-5.58 {t1='abc', t2='A_C'}   {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.59 {t1='a_c', t2='A7_C'}  {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.60 {t1='abc', t2='A7_C'}  {t1 LIKE t2 ESCAPE '7'} 0

test_expr expr-5.61 {t1='a7Xc', t2='A7_C'} {t1 LIKE t2 ESCAPE '7'} 0

test_expr expr-5.62 {t1='abcde', t2='A%E'} {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.63 {t1='abcde', t2='A7%E'} {t1 LIKE t2 ESCAPE '7'} 0

test_expr expr-5.64 {t1='a7cde', t2='A7%E'} {t1 LIKE t2 ESCAPE '7'} 0

test_expr expr-5.65 {t1='a7cde', t2='A77%E'} {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.66 {t1='abc7', t2='A%77'} {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.67 {t1='abc_', t2='A%7_'} {t1 LIKE t2 ESCAPE '7'} 1

test_expr expr-5.68 {t1='abc7', t2='A%7_'} {t1 LIKE t2 ESCAPE '7'} 0

# These are the same test as the block above, but using a multi-byte 
# character as the escape character.
if {"\u1234"!="u1234"} {


  test_expr expr-5.69 "t1='abc', t2='A_C'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.70 "t1='a_c', t2='A\u1234_C'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.71 "t1='abc', t2='A\u1234_C'" \
       "t1 LIKE t2 ESCAPE '\u1234'" 0


  test_expr expr-5.72 "t1='a\u1234Xc', t2='A\u1234_C'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0


  test_expr expr-5.73 "t1='abcde', t2='A%E'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.74 "t1='abcde', t2='A\u1234%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0


  test_expr expr-5.75 "t1='a\u1234cde', t2='A\u1234%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0


  test_expr expr-5.76 "t1='a\u1234cde', t2='A\u1234\u1234%E'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.77 "t1='abc\u1234', t2='A%\u1234\u1234'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.78 "t1='abc_', t2='A%\u1234_'" \


      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.79 "t1='abc\u1234', t2='A%\u1234_'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
}

test_expr expr-6.1 {t1='abc', t2='xyz'} {t1 GLOB t2} 0
test_expr expr-6.2 {t1='abc', t2='ABC'} {t1 GLOB t2} 0
test_expr expr-6.3 {t1='abc', t2='A?C'} {t1 GLOB t2} 0
test_expr expr-6.4 {t1='abc', t2='a?c'} {t1 GLOB t2} 1








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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 expressions.
#
# $Id: expr.test,v 1.44 2005/07/08 13:53:22 drh Exp $

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

# Create a table to work with.
#
execsql {CREATE TABLE test1(i1 int, i2 int, r1 real, r2 real, t1 text, t2 text)}
................................................................................
test_expr epxr-3.39 {t1='abc', t2=NULL} {coalesce(t1>=t2,99)} 99
test_expr epxr-3.40 {t1='abc', t2=NULL} {coalesce(t2>=t1,99)} 99
test_expr epxr-3.41 {t1='abc', t2=NULL} {coalesce(t1==t2,99)} 99
test_expr epxr-3.42 {t1='abc', t2=NULL} {coalesce(t2==t1,99)} 99
test_expr epxr-3.43 {t1='abc', t2=NULL} {coalesce(t1!=t2,99)} 99
test_expr epxr-3.44 {t1='abc', t2=NULL} {coalesce(t2!=t1,99)} 99


test_expr expr-4.1 {t1='abc', t2='Abc'} {t1<t2} 0
test_expr expr-4.2 {t1='abc', t2='Abc'} {t1>t2} 1
test_expr expr-4.3 {t1='abc', t2='Bbc'} {t1<t2} 0
test_expr expr-4.4 {t1='abc', t2='Bbc'} {t1>t2} 1
test_expr expr-4.5 {t1='0', t2='0.0'} {t1==t2} 0
test_expr expr-4.6 {t1='0.000', t2='0.0'} {t1==t2} 0
test_expr expr-4.7 {t1=' 0.000', t2=' 0.0'} {t1==t2} 0
................................................................................
test_expr expr-4.14 {r1='abc', r2='Bbc'} {r1>r2} 1
test_expr expr-4.15 {r1='0', r2='0.0'} {r1==r2} 1
test_expr expr-4.16 {r1='0.000', r2='0.0'} {r1==r2} 1
test_expr expr-4.17 {r1=' 0.000', r2=' 0.0'} {r1==r2} 0
test_expr expr-4.18 {r1='0.0', r2='abc'} {r1<r2} 1
test_expr expr-4.19 {r1='0.0', r2='abc'} {r1==r2} 0
test_expr expr-4.20 {r1='0.0', r2='abc'} {r1>r2} 0

# CSL is true if LIKE is case sensitive and false if not.
# NCSL is the opposite.  Use these variables as the result
# on operations where case makes a difference.
set CSL $sqlite_options(casesensitivelike)
set NCSL [expr {!$CSL}]

test_expr expr-5.1 {t1='abc', t2='xyz'} {t1 LIKE t2} 0
test_expr expr-5.2a {t1='abc', t2='abc'} {t1 LIKE t2} 1
test_expr expr-5.2b {t1='abc', t2='ABC'} {t1 LIKE t2} $NCSL
test_expr expr-5.3a {t1='abc', t2='a_c'} {t1 LIKE t2} 1
test_expr expr-5.3b {t1='abc', t2='A_C'} {t1 LIKE t2} $NCSL
test_expr expr-5.4 {t1='abc', t2='abc_'} {t1 LIKE t2} 0
test_expr expr-5.5a {t1='abc', t2='a%c'} {t1 LIKE t2} 1
test_expr expr-5.5b {t1='abc', t2='A%C'} {t1 LIKE t2} $NCSL
test_expr expr-5.5c {t1='abdc', t2='a%c'} {t1 LIKE t2} 1
test_expr expr-5.5d {t1='ac', t2='a%c'} {t1 LIKE t2} 1
test_expr expr-5.5e {t1='ac', t2='A%C'} {t1 LIKE t2} $NCSL
test_expr expr-5.6a {t1='abxyzzyc', t2='a%c'} {t1 LIKE t2} 1
test_expr expr-5.6b {t1='abxyzzyc', t2='A%C'} {t1 LIKE t2} $NCSL
test_expr expr-5.7a {t1='abxyzzy', t2='a%c'} {t1 LIKE t2} 0
test_expr expr-5.7b {t1='abxyzzy', t2='A%C'} {t1 LIKE t2} 0
test_expr expr-5.8a {t1='abxyzzycx', t2='a%c'} {t1 LIKE t2} 0
test_expr expr-5.8b {t1='abxyzzycy', t2='a%cx'} {t1 LIKE t2} 0
test_expr expr-5.8c {t1='abxyzzycx', t2='A%C'} {t1 LIKE t2} 0
test_expr expr-5.8d {t1='abxyzzycy', t2='A%CX'} {t1 LIKE t2} 0
test_expr expr-5.9a {t1='abc', t2='a%_c'} {t1 LIKE t2} 1
test_expr expr-5.9b {t1='ac', t2='a%_c'} {t1 LIKE t2} 0
test_expr expr-5.9c {t1='abc', t2='A%_C'} {t1 LIKE t2} $NCSL
test_expr expr-5.9d {t1='ac', t2='A%_C'} {t1 LIKE t2} 0
test_expr expr-5.10a {t1='abxyzzyc', t2='a%_c'} {t1 LIKE t2} 1
test_expr expr-5.10b {t1='abxyzzyc', t2='A%_C'} {t1 LIKE t2} $NCSL
test_expr expr-5.11 {t1='abc', t2='xyz'} {t1 NOT LIKE t2} 1
test_expr expr-5.12a {t1='abc', t2='abc'} {t1 NOT LIKE t2} 0
test_expr expr-5.12b {t1='abc', t2='ABC'} {t1 NOT LIKE t2} $CSL

# The following tests only work on versions of TCL that support Unicode
#
if {"\u1234"!="u1234"} {
  test_expr expr-5.13a "t1='a\u0080c', t2='a_c'" {t1 LIKE t2} 1
  test_expr expr-5.13b "t1='a\u0080c', t2='A_C'" {t1 LIKE t2} $NCSL
  test_expr expr-5.14a "t1='a\u07FFc', t2='a_c'" {t1 LIKE t2} 1
  test_expr expr-5.14b "t1='a\u07FFc', t2='A_C'" {t1 LIKE t2} $NCSL
  test_expr expr-5.15a "t1='a\u0800c', t2='a_c'" {t1 LIKE t2} 1
  test_expr expr-5.15b "t1='a\u0800c', t2='A_C'" {t1 LIKE t2} $NCSL
  test_expr expr-5.16a "t1='a\uFFFFc', t2='a_c'" {t1 LIKE t2} 1
  test_expr expr-5.16b "t1='a\uFFFFc', t2='A_C'" {t1 LIKE t2} $NCSL
  test_expr expr-5.17 "t1='a\u0080', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.18 "t1='a\u07FF', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.19 "t1='a\u0800', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.20 "t1='a\uFFFF', t2='A__'" {t1 LIKE t2} 0
  test_expr expr-5.21a "t1='ax\uABCD', t2='a_\uABCD'" {t1 LIKE t2} 1
  test_expr expr-5.21b "t1='ax\uABCD', t2='A_\uABCD'" {t1 LIKE t2} $NCSL
  test_expr expr-5.22a "t1='ax\u1234', t2='a%\u1234'" {t1 LIKE t2} 1
  test_expr expr-5.22b "t1='ax\u1234', t2='A%\u1234'" {t1 LIKE t2} $NCSL
  test_expr expr-5.23a "t1='ax\uFEDC', t2='a_%'" {t1 LIKE t2} 1
  test_expr expr-5.23b "t1='ax\uFEDC', t2='A_%'" {t1 LIKE t2} $NCSL
  test_expr expr-5.24a "t1='ax\uFEDCy\uFEDC', t2='a%\uFEDC'" {t1 LIKE t2} 1
  test_expr expr-5.24b "t1='ax\uFEDCy\uFEDC', t2='A%\uFEDC'" {t1 LIKE t2} $NCSL
}

test_expr expr-5.54 {t1='abc', t2=NULL} {t1 LIKE t2} {{}}
test_expr expr-5.55 {t1='abc', t2=NULL} {t1 NOT LIKE t2} {{}}
test_expr expr-5.56 {t1='abc', t2=NULL} {t2 LIKE t1} {{}}
test_expr expr-5.57 {t1='abc', t2=NULL} {t2 NOT LIKE t1} {{}}

# LIKE expressions that use ESCAPE characters.
test_expr expr-5.58a {t1='abc', t2='a_c'}   {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.58b {t1='abc', t2='A_C'}   {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.59a {t1='a_c', t2='a7_c'}  {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.59b {t1='a_c', t2='A7_C'}  {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.60a {t1='abc', t2='a7_c'}  {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.60b {t1='abc', t2='A7_C'}  {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.61a {t1='a7Xc', t2='a7_c'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.61b {t1='a7Xc', t2='A7_C'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.62a {t1='abcde', t2='a%e'} {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.62b {t1='abcde', t2='A%E'} {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.63a {t1='abcde', t2='a7%e'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.63b {t1='abcde', t2='A7%E'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.64a {t1='a7cde', t2='a7%e'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.64b {t1='a7cde', t2='A7%E'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.65a {t1='a7cde', t2='a77%e'} {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.65b {t1='a7cde', t2='A77%E'} {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.66a {t1='abc7', t2='a%77'} {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.66b {t1='abc7', t2='A%77'} {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.67a {t1='abc_', t2='a%7_'} {t1 LIKE t2 ESCAPE '7'} 1
test_expr expr-5.67b {t1='abc_', t2='A%7_'} {t1 LIKE t2 ESCAPE '7'} $NCSL
test_expr expr-5.68a {t1='abc7', t2='a%7_'} {t1 LIKE t2 ESCAPE '7'} 0
test_expr expr-5.68b {t1='abc7', t2='A%7_'} {t1 LIKE t2 ESCAPE '7'} 0

# These are the same test as the block above, but using a multi-byte 
# character as the escape character.
if {"\u1234"!="u1234"} {
  test_expr expr-5.69a "t1='abc', t2='a_c'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.69b "t1='abc', t2='A_C'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.70a "t1='a_c', t2='a\u1234_c'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.70b "t1='a_c', t2='A\u1234_C'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.71a "t1='abc', t2='a\u1234_c'" \
       "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.71b "t1='abc', t2='A\u1234_C'" \
       "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.72a "t1='a\u1234Xc', t2='a\u1234_c'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.72b "t1='a\u1234Xc', t2='A\u1234_C'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.73a "t1='abcde', t2='a%e'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.73b "t1='abcde', t2='A%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.74a "t1='abcde', t2='a\u1234%e'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.74b "t1='abcde', t2='A\u1234%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.75a "t1='a\u1234cde', t2='a\u1234%e'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.75b "t1='a\u1234cde', t2='A\u1234%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.76a "t1='a\u1234cde', t2='a\u1234\u1234%e'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.76b "t1='a\u1234cde', t2='A\u1234\u1234%E'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.77a "t1='abc\u1234', t2='a%\u1234\u1234'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.77b "t1='abc\u1234', t2='A%\u1234\u1234'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.78a "t1='abc_', t2='a%\u1234_'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 1
  test_expr expr-5.78b "t1='abc_', t2='A%\u1234_'" \
      "t1 LIKE t2 ESCAPE '\u1234'" $NCSL
  test_expr expr-5.79a "t1='abc\u1234', t2='a%\u1234_'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
  test_expr expr-5.79b "t1='abc\u1234', t2='A%\u1234_'" \
      "t1 LIKE t2 ESCAPE '\u1234'" 0
}

test_expr expr-6.1 {t1='abc', t2='xyz'} {t1 GLOB t2} 0
test_expr expr-6.2 {t1='abc', t2='ABC'} {t1 GLOB t2} 0
test_expr expr-6.3 {t1='abc', t2='A?C'} {t1 GLOB t2} 0
test_expr expr-6.4 {t1='abc', t2='a?c'} {t1 GLOB t2} 1

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