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Cleanup for some problems in tsearch patch:

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- ispell initialization crashed on empty dictionary file
- ispell initialization crashed on affix file with prefixes but no suffixes
- stop words file was run through pg_verify_mbstr, with database
  encoding, but it's supposed to be UTF-8; similar bug for synonym files
- bunch of comments added, typos fixed, and other cleanup

Introduced consistent encoding checking/conversion of data read from tsearch
configuration files, by doing this in a single t_readline() subroutine
(replacing direct usages of fgets).  Cleaned up API for readstopwords too.

Heikki Linnakangas
This commit is contained in:
Tom Lane
2007-08-25 00:03:59 +00:00
parent b918bf86c6
commit 7351b5fa17
14 changed files with 344 additions and 331 deletions
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6
src/backend/snowball/dict_snowball.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/snowball/dict_snowball.c,v 1.2 2007/08/22 01:39:44 tgl Exp $
* $PostgreSQL: pgsql/src/backend/snowball/dict_snowball.c,v 1.3 2007/08/25 00:03:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -192,7 +192,6 @@ dsnowball_init(PG_FUNCTION_ARGS)
ListCell *l;
d = (DictSnowball *) palloc0(sizeof(DictSnowball));
d->stoplist.wordop = recode_and_lowerstr;
foreach(l, dictoptions)
{
@ -204,8 +203,7 @@ dsnowball_init(PG_FUNCTION_ARGS)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("multiple StopWords parameters")));
readstoplist(defGetString(defel), &d->stoplist);
sortstoplist(&d->stoplist);
readstoplist(defGetString(defel), &d->stoplist, lowerstr);
stoploaded = true;
}
else if (pg_strcasecmp("Language", defel->defname) == 0)