/ Check-in [a079f914]
Login
Home Timeline Branches Tags Tickets Wiki More...

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Add compile time switch SQLITE_ENABLE_ICU_COLLATIONS. For enabling ICU collations without also enabling the tokenizer, the LIKE operator, the REGEXP operator, or the unicode aware upper()/lower() scalar functions.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: a079f914522d7bc4b3d27d70114eb09adedfac936a64883e6ed8d382c428dd0e
User & Date: dan 2017-12-08 16:23:38
Context
2017-12-08
19:37
The query planner tries to avoids using indexes that use unknown collating functions. check-in: 02013fc1 user: drh tags: trunk
16:23
Add compile time switch SQLITE_ENABLE_ICU_COLLATIONS. For enabling ICU collations without also enabling the tokenizer, the LIKE operator, the REGEXP operator, or the unicode aware upper()/lower() scalar functions. check-in: a079f914 user: dan tags: trunk
14:07
Make sure the bComplex variable in sqlite3DeleteFrom() is initialized when compiling with -DSQLITE_OMIT_TRIGGER. check-in: e526d0c4 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/icu/icu.c. 

24
25
26
27
28
29
30

31

32
33
34
35
36
37
38
..
41
42
43
44
45
46
47




















48
49
50
51
52
53
54
...
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
...
403
404
405
406
407
408
409


410
411
412
413
414
415
416
...
497
498
499
500
501
502
503

504
505
506
507
508
509
510
511
512
513
514

515
516
517
518
519
520
521
522
523
524
525

**
**   * Integration of ICU and SQLite collation sequences.
**
**   * An implementation of the LIKE operator that uses ICU to 
**     provide case-independent matching.
*/


#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU)


/* Include ICU headers */
#include <unicode/utypes.h>
#include <unicode/uregex.h>
#include <unicode/ustring.h>
#include <unicode/ucol.h>

................................................................................
#ifndef SQLITE_CORE
  #include "sqlite3ext.h"
  SQLITE_EXTENSION_INIT1
#else
  #include "sqlite3.h"
#endif





















/*
** Maximum length (in bytes) of the pattern in a LIKE or GLOB
** operator.
*/
#ifndef SQLITE_MAX_LIKE_PATTERN_LENGTH
# define SQLITE_MAX_LIKE_PATTERN_LENGTH 50000
#endif
................................................................................
  }

  if( zA && zB ){
    sqlite3_result_int(context, icuLikeCompare(zA, zB, uEsc));
  }
}

/*
** This function is called when an ICU function called from within
** the implementation of an SQL scalar function returns an error.
**
** The scalar function context passed as the first argument is 
** loaded with an error message based on the following two args.
*/
static void icuFunctionError(
  sqlite3_context *pCtx,       /* SQLite scalar function context */
  const char *zName,           /* Name of ICU function that failed */
  UErrorCode e                 /* Error code returned by ICU function */
){
  char zBuf[128];
  sqlite3_snprintf(128, zBuf, "ICU error: %s(): %s", zName, u_errorName(e));
  zBuf[127] = '\0';
  sqlite3_result_error(pCtx, zBuf, -1);
}

/*
** Function to delete compiled regexp objects. Registered as
** a destructor function with sqlite3_set_auxdata().
*/
static void icuRegexpDelete(void *p){
  URegularExpression *pExpr = (URegularExpression *)p;
  uregex_close(pExpr);
................................................................................
      icuFunctionError(p, bToUpper ? "u_strToUpper" : "u_strToLower", status);
    }
    return;
  }
  assert( 0 );     /* Unreachable */
}



/*
** Collation sequence destructor function. The pCtx argument points to
** a UCollator structure previously allocated using ucol_open().
*/
static void icuCollationDel(void *pCtx){
  UCollator *p = (UCollator *)pCtx;
  ucol_close(p);
................................................................................
    const char *zName;                        /* Function name */
    unsigned char nArg;                       /* Number of arguments */
    unsigned short enc;                       /* Optimal text encoding */
    unsigned char iContext;                   /* sqlite3_user_data() context */
    void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
  } scalars[] = {
    {"icu_load_collation",  2, SQLITE_UTF8,                1, icuLoadCollation},

    {"regexp", 2, SQLITE_ANY|SQLITE_DETERMINISTIC,         0, icuRegexpFunc},
    {"lower",  1, SQLITE_UTF16|SQLITE_DETERMINISTIC,       0, icuCaseFunc16},
    {"lower",  2, SQLITE_UTF16|SQLITE_DETERMINISTIC,       0, icuCaseFunc16},
    {"upper",  1, SQLITE_UTF16|SQLITE_DETERMINISTIC,       1, icuCaseFunc16},
    {"upper",  2, SQLITE_UTF16|SQLITE_DETERMINISTIC,       1, icuCaseFunc16},
    {"lower",  1, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuCaseFunc16},
    {"lower",  2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuCaseFunc16},
    {"upper",  1, SQLITE_UTF8|SQLITE_DETERMINISTIC,        1, icuCaseFunc16},
    {"upper",  2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        1, icuCaseFunc16},
    {"like",   2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuLikeFunc},
    {"like",   3, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuLikeFunc},

  };
  int rc = SQLITE_OK;
  int i;

  
  for(i=0; rc==SQLITE_OK && i<(int)(sizeof(scalars)/sizeof(scalars[0])); i++){
    const struct IcuScalar *p = &scalars[i];
    rc = sqlite3_create_function(
        db, p->zName, p->nArg, p->enc, 
        p->iContext ? (void*)db : (void*)0,
        p->xFunc, 0, 0








>
|
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







>
>







 







>











>



<








24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
..
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
...
242
243
244
245
246
247
248


















249
250
251
252
253
254
255
...
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
...
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525

526
527
528
529
530
531
532

**
**   * Integration of ICU and SQLite collation sequences.
**
**   * An implementation of the LIKE operator that uses ICU to 
**     provide case-independent matching.
*/

#if !defined(SQLITE_CORE)                  \
 || defined(SQLITE_ENABLE_ICU)             \
 || defined(SQLITE_ENABLE_ICU_COLLATIONS)

/* Include ICU headers */
#include <unicode/utypes.h>
#include <unicode/uregex.h>
#include <unicode/ustring.h>
#include <unicode/ucol.h>

................................................................................
#ifndef SQLITE_CORE
  #include "sqlite3ext.h"
  SQLITE_EXTENSION_INIT1
#else
  #include "sqlite3.h"
#endif

/*
** This function is called when an ICU function called from within
** the implementation of an SQL scalar function returns an error.
**
** The scalar function context passed as the first argument is 
** loaded with an error message based on the following two args.
*/
static void icuFunctionError(
  sqlite3_context *pCtx,       /* SQLite scalar function context */
  const char *zName,           /* Name of ICU function that failed */
  UErrorCode e                 /* Error code returned by ICU function */
){
  char zBuf[128];
  sqlite3_snprintf(128, zBuf, "ICU error: %s(): %s", zName, u_errorName(e));
  zBuf[127] = '\0';
  sqlite3_result_error(pCtx, zBuf, -1);
}

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU)

/*
** Maximum length (in bytes) of the pattern in a LIKE or GLOB
** operator.
*/
#ifndef SQLITE_MAX_LIKE_PATTERN_LENGTH
# define SQLITE_MAX_LIKE_PATTERN_LENGTH 50000
#endif
................................................................................
  }

  if( zA && zB ){
    sqlite3_result_int(context, icuLikeCompare(zA, zB, uEsc));
  }
}



















/*
** Function to delete compiled regexp objects. Registered as
** a destructor function with sqlite3_set_auxdata().
*/
static void icuRegexpDelete(void *p){
  URegularExpression *pExpr = (URegularExpression *)p;
  uregex_close(pExpr);
................................................................................
      icuFunctionError(p, bToUpper ? "u_strToUpper" : "u_strToLower", status);
    }
    return;
  }
  assert( 0 );     /* Unreachable */
}

#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU) */

/*
** Collation sequence destructor function. The pCtx argument points to
** a UCollator structure previously allocated using ucol_open().
*/
static void icuCollationDel(void *pCtx){
  UCollator *p = (UCollator *)pCtx;
  ucol_close(p);
................................................................................
    const char *zName;                        /* Function name */
    unsigned char nArg;                       /* Number of arguments */
    unsigned short enc;                       /* Optimal text encoding */
    unsigned char iContext;                   /* sqlite3_user_data() context */
    void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
  } scalars[] = {
    {"icu_load_collation",  2, SQLITE_UTF8,                1, icuLoadCollation},
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU)
    {"regexp", 2, SQLITE_ANY|SQLITE_DETERMINISTIC,         0, icuRegexpFunc},
    {"lower",  1, SQLITE_UTF16|SQLITE_DETERMINISTIC,       0, icuCaseFunc16},
    {"lower",  2, SQLITE_UTF16|SQLITE_DETERMINISTIC,       0, icuCaseFunc16},
    {"upper",  1, SQLITE_UTF16|SQLITE_DETERMINISTIC,       1, icuCaseFunc16},
    {"upper",  2, SQLITE_UTF16|SQLITE_DETERMINISTIC,       1, icuCaseFunc16},
    {"lower",  1, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuCaseFunc16},
    {"lower",  2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuCaseFunc16},
    {"upper",  1, SQLITE_UTF8|SQLITE_DETERMINISTIC,        1, icuCaseFunc16},
    {"upper",  2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        1, icuCaseFunc16},
    {"like",   2, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuLikeFunc},
    {"like",   3, SQLITE_UTF8|SQLITE_DETERMINISTIC,        0, icuLikeFunc},
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU) */
  };
  int rc = SQLITE_OK;
  int i;

  
  for(i=0; rc==SQLITE_OK && i<(int)(sizeof(scalars)/sizeof(scalars[0])); i++){
    const struct IcuScalar *p = &scalars[i];
    rc = sqlite3_create_function(
        db, p->zName, p->nArg, p->enc, 
        p->iContext ? (void*)db : (void*)0,
        p->xFunc, 0, 0

Changes to src/main.c. 

18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
....
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060


#ifdef SQLITE_ENABLE_FTS3
# include "fts3.h"
#endif
#ifdef SQLITE_ENABLE_RTREE
# include "rtree.h"
#endif
#ifdef SQLITE_ENABLE_ICU
# include "sqliteicu.h"
#endif
#ifdef SQLITE_ENABLE_JSON1
int sqlite3Json1Init(sqlite3*);
#endif
#ifdef SQLITE_ENABLE_STMTVTAB
int sqlite3StmtVtabInit(sqlite3*);
................................................................................

#ifdef SQLITE_ENABLE_FTS3 /* automatically defined by SQLITE_ENABLE_FTS4 */
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3Fts3Init(db);
  }
#endif

#ifdef SQLITE_ENABLE_ICU
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3IcuInit(db);
  }
#endif

#ifdef SQLITE_ENABLE_RTREE
  if( !db->mallocFailed && rc==SQLITE_OK){








|







 







|








18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
....
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060


#ifdef SQLITE_ENABLE_FTS3
# include "fts3.h"
#endif
#ifdef SQLITE_ENABLE_RTREE
# include "rtree.h"
#endif
#if defined(SQLITE_ENABLE_ICU) || defined(SQLITE_ENABLE_ICU_COLLATIONS)
# include "sqliteicu.h"
#endif
#ifdef SQLITE_ENABLE_JSON1
int sqlite3Json1Init(sqlite3*);
#endif
#ifdef SQLITE_ENABLE_STMTVTAB
int sqlite3StmtVtabInit(sqlite3*);
................................................................................

#ifdef SQLITE_ENABLE_FTS3 /* automatically defined by SQLITE_ENABLE_FTS4 */
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3Fts3Init(db);
  }
#endif

#if defined(SQLITE_ENABLE_ICU) || defined(SQLITE_ENABLE_ICU_COLLATIONS)
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3IcuInit(db);
  }
#endif

#ifdef SQLITE_ENABLE_RTREE
  if( !db->mallocFailed && rc==SQLITE_OK){

Changes to src/test_config.c. 

424
425
426
427
428
429
430






431
432
433
434
435
436
437

#endif

#ifdef SQLITE_ENABLE_ICU
  Tcl_SetVar2(interp, "sqlite_options", "icu", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "icu", "0", TCL_GLOBAL_ONLY);
#endif







#ifdef SQLITE_OMIT_INCRBLOB
  Tcl_SetVar2(interp, "sqlite_options", "incrblob", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "incrblob", "1", TCL_GLOBAL_ONLY);
#endif /* SQLITE_OMIT_AUTOVACUUM */









>
>
>
>
>
>








424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443

#endif

#ifdef SQLITE_ENABLE_ICU
  Tcl_SetVar2(interp, "sqlite_options", "icu", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "icu", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_ENABLE_ICU_COLLATIONS
  Tcl_SetVar2(interp, "sqlite_options", "icu_collations", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "icu_collations", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_INCRBLOB
  Tcl_SetVar2(interp, "sqlite_options", "incrblob", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "incrblob", "1", TCL_GLOBAL_ONLY);
#endif /* SQLITE_OMIT_AUTOVACUUM */

Changes to test/icu.test. 

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
..
31
32
33
34
35
36
37


38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

86
87
88
89
90
91
92
...
120
121
122
123
124
125
126

127
128
129
130
131
132
133
134
135
136
137

138
139
140
141
142
143
144

145

#
# $Id: icu.test,v 1.2 2008/07/12 14:52:20 drh Exp $
#

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

ifcapable !icu {
  finish_test
  return
}

# Create a table to work with.
#
execsql {CREATE TABLE test1(i1 int, i2 int, r1 real, r2 real, t1 text, t2 text)}
................................................................................
      UPDATE test1 SET %s; 
      SELECT %s FROM test1; 
      ROLLBACK;
    }] 0
  } $settings $expr] $result
}



# Tests of the REGEXP operator.
#
test_expr icu-1.1 {i1='hello'} {i1 REGEXP 'hello'}  1
test_expr icu-1.2 {i1='hello'} {i1 REGEXP '.ello'}  1
test_expr icu-1.3 {i1='hello'} {i1 REGEXP '.ell'}   0
test_expr icu-1.4 {i1='hello'} {i1 REGEXP '.ell.*'} 1
test_expr icu-1.5 {i1=NULL}    {i1 REGEXP '.ell.*'} {}

# Some non-ascii characters with defined case mappings
#
set ::EGRAVE "\xC8"
set ::egrave "\xE8"

set ::OGRAVE "\xD2"
set ::ograve "\xF2"

# That German letter that looks a bit like a B. The
# upper-case version of which is "SS" (two characters).
#
set ::szlig "\xDF" 

# Tests of the upper()/lower() functions.
#
test_expr icu-2.1 {i1='HellO WorlD'} {upper(i1)} {HELLO WORLD}
test_expr icu-2.2 {i1='HellO WorlD'} {lower(i1)} {hello world}
test_expr icu-2.3 {i1=$::egrave} {lower(i1)}     $::egrave
test_expr icu-2.4 {i1=$::egrave} {upper(i1)}     $::EGRAVE
test_expr icu-2.5 {i1=$::ograve} {lower(i1)}     $::ograve
test_expr icu-2.6 {i1=$::ograve} {upper(i1)}     $::OGRAVE
test_expr icu-2.3 {i1=$::EGRAVE} {lower(i1)}     $::egrave
test_expr icu-2.4 {i1=$::EGRAVE} {upper(i1)}     $::EGRAVE
test_expr icu-2.5 {i1=$::OGRAVE} {lower(i1)}     $::ograve
test_expr icu-2.6 {i1=$::OGRAVE} {upper(i1)}     $::OGRAVE

test_expr icu-2.7 {i1=$::szlig} {upper(i1)}      "SS"
test_expr icu-2.8 {i1='SS'} {lower(i1)}          "ss"

do_execsql_test icu-2.9 {
  SELECT upper(char(0xfb04,0xfb04,0xfb04,0xfb04));
} {FFLFFLFFLFFL}

# In turkish (locale="tr_TR"), the lower case version of I
# is "small dotless i" (code point 0x131 (decimal 305)).
#
set ::small_dotless_i "\u0131"
test_expr icu-3.1 {i1='I'} {lower(i1)}           "i"
test_expr icu-3.2 {i1='I'} {lower(i1, 'tr_tr')}  $::small_dotless_i
test_expr icu-3.3 {i1='I'} {lower(i1, 'en_AU')}  "i"


#--------------------------------------------------------------------
# Test the collation sequence function.
#
do_test icu-4.1 {
  execsql {
    CREATE TABLE fruit(name);
................................................................................

#-------------------------------------------------------------------------
# Test that it is not possible to call the ICU regex() function with 
# anything other than exactly two arguments. See also:
#
#   http://src.chromium.org/viewvc/chrome/trunk/src/third_party/sqlite/icu-regexp.patch?revision=34807&view=markup
#

do_catchsql_test icu-5.1 { SELECT regexp('a[abc]c.*', 'abc') } {0 1}
do_catchsql_test icu-5.2 { 
  SELECT regexp('a[abc]c.*') 
} {1 {wrong number of arguments to function regexp()}}
do_catchsql_test icu-5.3 { 
  SELECT regexp('a[abc]c.*', 'abc', 'c') 
} {1 {wrong number of arguments to function regexp()}}
do_catchsql_test icu-5.4 { 
  SELECT 'abc' REGEXP 'a[abc]c.*'
} {0 1}
do_catchsql_test icu-5.4 { SELECT 'abc' REGEXP }    {1 {near " ": syntax error}}

do_catchsql_test icu-5.5 { SELECT 'abc' REGEXP, 1 } {1 {near ",": syntax error}}


do_malloc_test icu-6.10 -sqlbody {
  SELECT upper(char(0xfb04,0xdf,0xfb04,0xe8,0xfb04));
}


finish_test








|







 







>
>
|
|
|
|
|
|
|

|
|
|
|

|
|

|
|
|
|

|
|
|
|
|
|
|
|
|
|
|
|

|
|

|
|
|

|
|
|
|
|
|
|
>







 







>
|
|
|
|
|
|
|
|
|
|
<
>
|
|
<
|
|
|
|
>


11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
..
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
...
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

141
142
143

144
145
146
147
148
149

#
# $Id: icu.test,v 1.2 2008/07/12 14:52:20 drh Exp $
#

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

ifcapable !icu&&!icu_collations {
  finish_test
  return
}

# Create a table to work with.
#
execsql {CREATE TABLE test1(i1 int, i2 int, r1 real, r2 real, t1 text, t2 text)}
................................................................................
      UPDATE test1 SET %s; 
      SELECT %s FROM test1; 
      ROLLBACK;
    }] 0
  } $settings $expr] $result
}

ifcapable icu {

  # Tests of the REGEXP operator.
  #
  test_expr icu-1.1 {i1='hello'} {i1 REGEXP 'hello'}  1
  test_expr icu-1.2 {i1='hello'} {i1 REGEXP '.ello'}  1
  test_expr icu-1.3 {i1='hello'} {i1 REGEXP '.ell'}   0
  test_expr icu-1.4 {i1='hello'} {i1 REGEXP '.ell.*'} 1
  test_expr icu-1.5 {i1=NULL}    {i1 REGEXP '.ell.*'} {}

  # Some non-ascii characters with defined case mappings
  #
  set ::EGRAVE "\xC8"
  set ::egrave "\xE8"

  set ::OGRAVE "\xD2"
  set ::ograve "\xF2"

  # That German letter that looks a bit like a B. The
  # upper-case version of which is "SS" (two characters).
  #
  set ::szlig "\xDF" 

  # Tests of the upper()/lower() functions.
  #
  test_expr icu-2.1 {i1='HellO WorlD'} {upper(i1)} {HELLO WORLD}
  test_expr icu-2.2 {i1='HellO WorlD'} {lower(i1)} {hello world}
  test_expr icu-2.3 {i1=$::egrave} {lower(i1)}     $::egrave
  test_expr icu-2.4 {i1=$::egrave} {upper(i1)}     $::EGRAVE
  test_expr icu-2.5 {i1=$::ograve} {lower(i1)}     $::ograve
  test_expr icu-2.6 {i1=$::ograve} {upper(i1)}     $::OGRAVE
  test_expr icu-2.3 {i1=$::EGRAVE} {lower(i1)}     $::egrave
  test_expr icu-2.4 {i1=$::EGRAVE} {upper(i1)}     $::EGRAVE
  test_expr icu-2.5 {i1=$::OGRAVE} {lower(i1)}     $::ograve
  test_expr icu-2.6 {i1=$::OGRAVE} {upper(i1)}     $::OGRAVE

  test_expr icu-2.7 {i1=$::szlig} {upper(i1)}      "SS"
  test_expr icu-2.8 {i1='SS'} {lower(i1)}          "ss"

  do_execsql_test icu-2.9 {
    SELECT upper(char(0xfb04,0xfb04,0xfb04,0xfb04));
  } {FFLFFLFFLFFL}

  # In turkish (locale="tr_TR"), the lower case version of I
  # is "small dotless i" (code point 0x131 (decimal 305)).
  #
  set ::small_dotless_i "\u0131"
  test_expr icu-3.1 {i1='I'} {lower(i1)}           "i"
  test_expr icu-3.2 {i1='I'} {lower(i1, 'tr_tr')}  $::small_dotless_i
  test_expr icu-3.3 {i1='I'} {lower(i1, 'en_AU')}  "i"
}

#--------------------------------------------------------------------
# Test the collation sequence function.
#
do_test icu-4.1 {
  execsql {
    CREATE TABLE fruit(name);
................................................................................

#-------------------------------------------------------------------------
# Test that it is not possible to call the ICU regex() function with 
# anything other than exactly two arguments. See also:
#
#   http://src.chromium.org/viewvc/chrome/trunk/src/third_party/sqlite/icu-regexp.patch?revision=34807&view=markup
#
ifcapable icu {
  do_catchsql_test icu-5.1 { SELECT regexp('a[abc]c.*', 'abc') } {0 1}
  do_catchsql_test icu-5.2 { 
    SELECT regexp('a[abc]c.*') 
  } {1 {wrong number of arguments to function regexp()}}
  do_catchsql_test icu-5.3 { 
    SELECT regexp('a[abc]c.*', 'abc', 'c') 
  } {1 {wrong number of arguments to function regexp()}}
  do_catchsql_test icu-5.4 { 
    SELECT 'abc' REGEXP 'a[abc]c.*'
  } {0 1}

  do_catchsql_test icu-5.4 {SELECT 'abc' REGEXP }   {1 {near " ": syntax error}}
  do_catchsql_test icu-5.5 {SELECT 'abc' REGEXP, 1} {1 {near ",": syntax error}}
 

  do_malloc_test icu-6.10 -sqlbody {
    SELECT upper(char(0xfb04,0xdf,0xfb04,0xe8,0xfb04));
  }
}

finish_test

This page was generated in about 0.011s by Fossil 2.10 [3e183bfad8] 2019-08-21 19:18:06