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authorunknown <monty@mysql.com>2004-02-16 10:31:05 +0200
committerunknown <monty@mysql.com>2004-02-16 10:31:05 +0200
commit0c259c54b062f065e375fa185556cdf7fd419c13 (patch)
treee792af64f95eba198633387e3b36f50f096c3001 /sql/sql_string.cc
parent70eef0cb05296b7c60c7dbc32811d306675e997a (diff)
parentd00fbce3083f11d071300447e11dab124debb2b7 (diff)
downloadmariadb-git-0c259c54b062f065e375fa185556cdf7fd419c13.tar.gz
Merge with public tree
client/mysqldump.c: Auto merged configure.in: Auto merged include/m_ctype.h: Auto merged include/m_string.h: Auto merged include/my_global.h: Auto merged mysql-test/r/ctype_utf8.result: Auto merged mysql-test/r/fulltext.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/t/fulltext.test: Auto merged mysql-test/t/grant.test: Auto merged mysql-test/t/subselect.test: Auto merged mysql-test/t/union.test: Auto merged sql/field.cc: Auto merged sql/field.h: Auto merged sql/item.cc: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/mysql_priv.h: Auto merged sql/set_var.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_parse.cc: Auto merged sql/share/english/errmsg.txt: Auto merged sql/sql_select.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_string.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_yacc.yy: Auto merged strings/ctype-mb.c: Auto merged strings/ctype-simple.c: Auto merged mysql-test/r/warnings.result: Fix error numbers after merge sql/share/czech/errmsg.txt: Add missing ',' and fix typo sql/share/danish/errmsg.txt: Add missing ',' and fix typo sql/share/dutch/errmsg.txt: Add missing ',' and fix typo sql/share/estonian/errmsg.txt: Add missing ',' and fix typo sql/share/french/errmsg.txt: Add missing ',' and fix typo sql/share/german/errmsg.txt: Add missing ',' and fix typo sql/share/greek/errmsg.txt: Add missing ',' and fix typo sql/share/hungarian/errmsg.txt: Add missing ',' and fix typo sql/share/italian/errmsg.txt: Add missing ',' and fix typo sql/share/japanese/errmsg.txt: Add missing ',' and fix typo sql/share/korean/errmsg.txt: Add missing ',' and fix typo sql/share/norwegian-ny/errmsg.txt: Add missing ',' and fix typo sql/share/norwegian/errmsg.txt: Add missing ',' and fix typo sql/share/polish/errmsg.txt: Add missing ',' and fix typo sql/share/portuguese/errmsg.txt: Add missing ',' and fix typo sql/share/romanian/errmsg.txt: Add missing ',' and fix typo sql/share/russian/errmsg.txt: Add missing ',' and fix typo sql/share/slovak/errmsg.txt: Add missing ',' and fix typo sql/share/spanish/errmsg.txt: Add missing ',' and fix typo sql/share/swedish/errmsg.txt: Add missing ',' and fix typo sql/share/ukrainian/errmsg.txt: Add missing ',' and fix typo
Diffstat (limited to 'sql/sql_string.cc')
-rw-r--r--sql/sql_string.cc53
1 files changed, 49 insertions, 4 deletions
diff --git a/sql/sql_string.cc b/sql/sql_string.cc
index e76c7902210..c6eda5f9fb2 100644
--- a/sql/sql_string.cc
+++ b/sql/sql_string.cc
@@ -699,11 +699,56 @@ void String::qs_append(const char &c)
}
-int sortcmp(const String *x,const String *y, CHARSET_INFO *cs)
+/*
+ Compare strings according to collation, without end space.
+
+ SYNOPSIS
+ sortcmp()
+ s First string
+ t Second string
+ cs Collation
+
+ NOTE:
+ Normally this is case sensitive comparison
+
+ RETURN
+ < 0 s < t
+ 0 s == t
+ > 0 s > t
+*/
+
+
+int sortcmp(const String *s,const String *t, CHARSET_INFO *cs)
+{
+ return cs->coll->strnncollsp(cs,
+ (unsigned char *) s->ptr(),s->length(),
+ (unsigned char *) t->ptr(),t->length());
+}
+
+
+/*
+ Compare strings byte by byte. End spaces are also compared.
+
+ SYNOPSIS
+ stringcmp()
+ s First string
+ t Second string
+
+ NOTE:
+ Strings are compared as a stream of unsigned chars
+
+ RETURN
+ < 0 s < t
+ 0 s == t
+ > 0 s > t
+*/
+
+
+int stringcmp(const String *s,const String *t)
{
- return cs->coll->strnncollsp(cs,
- (unsigned char *) x->ptr(),x->length(),
- (unsigned char *) y->ptr(),y->length());
+ uint32 s_len=s->length(),t_len=t->length(),len=min(s_len,t_len);
+ int cmp= memcmp(s->ptr(), t->ptr(), len);
+ return (cmp) ? cmp : (int) (s_len - t_len);
}