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Commit8b3eb0c

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Fix error inconsistency in older ICU versions.
To support older ICU versions, we rely onicu_set_collation_attributes() to do error checking that is handleddirectly by ucol_open() in newer ICU versions. Commit3b50275introduced a slight inconsistency, where the error report includes thefixed-up locale string, rather than the locale string passed topg_ucol_open().Refactor slightly so that pg_ucol_open() handles the errors from bothucol_open() and icu_set_collation_attributes(), making it easier tosee any differences between the error reports. It also makespg_ucol_open() responsible for closing the UCollator on error, whichseems like the right place.Discussion:https://postgr.es/m/04182066-7655-344a-b8b7-040b1b2490fb%40enterprisedb.comReviewed-by: Peter Eisentraut
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+34
-28
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1 file changed

+34
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‎src/backend/utils/adt/pg_locale.c

Lines changed: 34 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -147,7 +147,8 @@ static size_t uchar_length(UConverter *converter,
147147
staticint32_tuchar_convert(UConverter*converter,
148148
UChar*dest,int32_tdestlen,
149149
constchar*str,int32_tsrclen);
150-
staticvoidicu_set_collation_attributes(UCollator*collator,constchar*loc);
150+
staticvoidicu_set_collation_attributes(UCollator*collator,constchar*loc,
151+
UErrorCode*status);
151152
#endif
152153

153154
/*
@@ -2496,6 +2497,7 @@ pg_ucol_open(const char *loc_str)
24962497
{
24972498
UCollator*collator;
24982499
UErrorCodestatus;
2500+
constchar*orig_str=loc_str;
24992501
char*fixed_str=NULL;
25002502

25012503
/*
@@ -2544,11 +2546,27 @@ pg_ucol_open(const char *loc_str)
25442546
collator=ucol_open(loc_str,&status);
25452547
if (U_FAILURE(status))
25462548
ereport(ERROR,
2549+
/* use original string for error report */
25472550
(errmsg("could not open collator for locale \"%s\": %s",
2548-
loc_str,u_errorName(status))));
2551+
orig_str,u_errorName(status))));
25492552

25502553
if (U_ICU_VERSION_MAJOR_NUM<54)
2551-
icu_set_collation_attributes(collator,loc_str);
2554+
{
2555+
status=U_ZERO_ERROR;
2556+
icu_set_collation_attributes(collator,loc_str,&status);
2557+
2558+
/*
2559+
* Pretend the error came from ucol_open(), for consistent error
2560+
* message across ICU versions.
2561+
*/
2562+
if (U_FAILURE(status))
2563+
{
2564+
ucol_close(collator);
2565+
ereport(ERROR,
2566+
(errmsg("could not open collator for locale \"%s\": %s",
2567+
orig_str,u_errorName(status))));
2568+
}
2569+
}
25522570

25532571
if (fixed_str!=NULL)
25542572
pfree(fixed_str);
@@ -2698,9 +2716,9 @@ icu_from_uchar(char **result, const UChar *buff_uchar, int32_t len_uchar)
26982716
*/
26992717
pg_attribute_unused()
27002718
staticvoid
2701-
icu_set_collation_attributes(UCollator*collator,constchar*loc)
2719+
icu_set_collation_attributes(UCollator*collator,constchar*loc,
2720+
UErrorCode*status)
27022721
{
2703-
UErrorCodestatus;
27042722
int32_tlen;
27052723
char*icu_locale_id;
27062724
char*lower_str;
@@ -2713,15 +2731,13 @@ icu_set_collation_attributes(UCollator *collator, const char *loc)
27132731
* locale ID, e.g. "und@colcaselevel=yes;colstrength=primary", by
27142732
* uloc_canonicalize().
27152733
*/
2716-
status=U_ZERO_ERROR;
2717-
len=uloc_canonicalize(loc,NULL,0,&status);
2734+
*status=U_ZERO_ERROR;
2735+
len=uloc_canonicalize(loc,NULL,0,status);
27182736
icu_locale_id=palloc(len+1);
2719-
status=U_ZERO_ERROR;
2720-
len=uloc_canonicalize(loc,icu_locale_id,len+1,&status);
2721-
if (U_FAILURE(status))
2722-
ereport(ERROR,
2723-
(errmsg("canonicalization failed for locale string \"%s\": %s",
2724-
loc,u_errorName(status))));
2737+
*status=U_ZERO_ERROR;
2738+
len=uloc_canonicalize(loc,icu_locale_id,len+1,status);
2739+
if (U_FAILURE(*status))
2740+
return;
27252741

27262742
lower_str=asc_tolower(icu_locale_id,strlen(icu_locale_id));
27272743

@@ -2743,7 +2759,7 @@ icu_set_collation_attributes(UCollator *collator, const char *loc)
27432759
UColAttributeuattr;
27442760
UColAttributeValueuvalue;
27452761

2746-
status=U_ZERO_ERROR;
2762+
*status=U_ZERO_ERROR;
27472763

27482764
*e='\0';
27492765
name=token;
@@ -2793,22 +2809,12 @@ icu_set_collation_attributes(UCollator *collator, const char *loc)
27932809
elseif (strcmp(value,"upper")==0)
27942810
uvalue=UCOL_UPPER_FIRST;
27952811
else
2796-
status=U_ILLEGAL_ARGUMENT_ERROR;
2797-
2798-
if (status==U_ZERO_ERROR)
2799-
ucol_setAttribute(collator,uattr,uvalue,&status);
2800-
2801-
/*
2802-
* Pretend the error came from ucol_open(), for consistent error
2803-
* message across ICU versions.
2804-
*/
2805-
if (U_FAILURE(status))
28062812
{
2807-
ucol_close(collator);
2808-
ereport(ERROR,
2809-
(errmsg("could not open collator for locale \"%s\": %s",
2810-
loc,u_errorName(status))));
2813+
*status=U_ILLEGAL_ARGUMENT_ERROR;
2814+
break;
28112815
}
2816+
2817+
ucol_setAttribute(collator,uattr,uvalue,status);
28122818
}
28132819
}
28142820

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