summaryrefslogtreecommitdiff
path: root/sql/sql_string.cc
diff options
context:
space:
mode:
authorunknown <monty@mysql.com>2004-02-16 10:03:25 +0200
committerunknown <monty@mysql.com>2004-02-16 10:03:25 +0200
commita07e48eca04b1564da9868f229ba5d958994db69 (patch)
tree44dc172194086edaeef7da9c9ed059171579a886 /sql/sql_string.cc
parent5b2c3126277a8eedab5bcc8a9b0ce7386ccc3dbe (diff)
downloadmariadb-git-a07e48eca04b1564da9868f229ba5d958994db69.tar.gz
After merge fixes
Added more DBUG statements Ensure that we are comparing end space with BINARY strings Use 'any_db' instead of '' to mean any database. (For HANDLER command) Only strip ' ' when comparing CHAR, not other space-like characters (like \t) BitKeeper/deleted/.del-ctype_tis620.result-old~3578ceb0b8284685: Delete: mysql-test/r/ctype_tis620.result-old BitKeeper/deleted/.del-ctype_tis620.test-old~ffb1bbd2935d1aba: Delete: mysql-test/t/ctype_tis620.test-old client/mysqlbinlog.cc: Added DBUG statements Added call of my_end() to free all used memory on exit heap/hp_info.c: After merge fixes heap/hp_open.c: After merge fixes include/heap.h: After merge fixes include/m_ctype.h: Use pchar instead of 'int' for character parameters. Added 'my_binary_compare()' include/m_string.h: Fixed wrong define innobase/ibuf/ibuf0ibuf.c: After merge fixes innobase/srv/srv0start.c: After merge fixes mysql-test/r/alter_table.result: Fixed results after merge mysql-test/r/auto_increment.result: Fixed results after merge mysql-test/r/bdb.result: Fixed results after merge mysql-test/r/binary.result: Fixed results after merge mysql-test/r/create.result: Fixed results after merge mysql-test/r/ctype_mb.result: Fixed results after merge mysql-test/r/ctype_tis620.result: Fixed results after merge mysql-test/r/ctype_utf8.result: Fixed results after merge mysql-test/r/delete.result: Fixed results after merge mysql-test/r/func_compress.result: Fixed results after merge mysql-test/r/func_gconcat.result: Fixed results after merge mysql-test/r/func_group.result: Fixed results after merge mysql-test/r/func_str.result: Fixed results after merge mysql-test/r/innodb.result: Fixed results after merge mysql-test/r/insert.result: Fixed results after merge mysql-test/r/insert_select.result: Fixed results after merge mysql-test/r/key.result: Fixed results after merge mysql-test/r/loaddata.result: Fixed results after merge mysql-test/r/lock.result: Fixed results after merge mysql-test/r/myisam.result: Fixed results after merge mysql-test/r/null.result: Fixed results after merge mysql-test/r/null_key.result: Fixed results after merge mysql-test/r/order_by.result: Fixed results after merge mysql-test/r/query_cache.result: Fixed results after merge mysql-test/r/range.result: Fixed results after merge mysql-test/r/rpl_multi_delete.result: Fixed results after merge mysql-test/r/rpl_until.result: Fixed results after merge mysql-test/r/subselect.result: Fixed results after merge mysql-test/r/subselect_innodb.result: Fixed results after merge mysql-test/r/type_blob.result: Fixed results after merge mysql-test/r/type_datetime.result: Fixed results after merge mysql-test/r/type_decimal.result: Fixed results after merge mysql-test/r/type_enum.result: Fixed results after merge mysql-test/r/type_float.result: Fixed results after merge mysql-test/r/type_ranges.result: Fixed results after merge mysql-test/r/type_time.result: Fixed results after merge mysql-test/r/type_timestamp.result: Fixed results after merge mysql-test/r/type_uint.result: Fixed results after merge mysql-test/r/type_year.result: Fixed results after merge mysql-test/r/variables.result: Fixed results after merge mysql-test/r/warnings.result: Fixed results after merge mysql-test/t/case.test: Fixed shifted error messages mysql-test/t/create.test: Fixed shifted error messages mysql-test/t/ctype_collate.test: Fixed shifted error messages mysql-test/t/ctype_tis620.test: Merge with 4.0 ctype_tis620 test mysql-test/t/delete.test: Fixed shifted error messages mysql-test/t/derived.test: Fixed shifted error messages mysql-test/t/fulltext.test: Fixed shifted error messages mysql-test/t/func_in.test: Fixed shifted error messages mysql-test/t/func_str.test: Fixed shifted error messages mysql-test/t/func_test.test: Fixed shifted error messages mysql-test/t/grant.test: Fixed shifted error messages mysql-test/t/innodb.test: Change to 4.1 syntax mysql-test/t/key_cache.test: Fixed shifted error messages mysql-test/t/myisam.test: New test of blob and end space mysql-test/t/row.test: Fixed shifted error messages mysql-test/t/rpl_until.test: Fixed shifted error messages mysql-test/t/subselect.test: Fixed shifted error messages mysql-test/t/subselect_innodb.test: Fix test to take into account foreign key constraints mysql-test/t/union.test: Fixed shifted error messages mysql-test/t/user_var.test: Fixed shifted error messages mysql-test/t/variables.test: Fixed shifted error messages mysys/my_handler.c: Merge with 4.0 code sql/ha_heap.cc: After merge fixes sql/handler.cc: After merge fixes sql/item.cc: After merge fixes sql/item_cmpfunc.cc: Ensure that we are comparing end space with BINARY strings sql/item_cmpfunc.h: Ensure that we are comparing end space with BINARY strings sql/log_event.cc: More DBUG statements Ensure that we use all options to LOAD DATA in replication sql/opt_range.cc: After merge fixes sql/sql_db.cc: After merge fixes sql/sql_handler.cc: After merge fixes Use 'any_db' instead of '' to mean 'no database comparison' sql/sql_parse.cc: After merge fixes sql/sql_select.cc: After merge fixes Added function comment for setup_group() sql/sql_string.cc: Added stringcmp() for binary comparison. Added function comments for sortcmp() and stringcmp() sql/sql_string.h: Added stringcmp() sql/sql_table.cc: After merge fixes sql/sql_update.cc: After merge fixes sql/sql_yacc.yy: Use 'any_db' instead of '' to mean any database. Using "" causes a 'wrong db name' error. strings/ctype-big5.c: Strip only end space, not other space characters. strings/ctype-bin.c: Removed some not needed functions. Added function comments Don't remove end space in comparisons Change my_wildcmp_bin() to be 'identical' with other similar code strings/ctype-czech.c: Strip only end space, not other space characters. strings/ctype-gbk.c: Strip only end space, not other space characters. strings/ctype-latin1.c: Strip only end space, not other space characters. strings/ctype-mb.c: Strip only end space, not other space characters. strings/ctype-simple.c: Strip only end space, not other space characters. strings/ctype-sjis.c: Strip only end space, not other space characters. strings/ctype-tis620.c: Added usage of my_instr_simple. This needs to be cleaned up! strings/ctype-utf8.c: Strip only end space, not other space characters. strings/ctype-win1250ch.c: Strip only end space, not other space characters. Fixed indentation strings/strto.c: Code cleanup
Diffstat (limited to 'sql/sql_string.cc')
-rw-r--r--sql/sql_string.cc51
1 files changed, 48 insertions, 3 deletions
diff --git a/sql/sql_string.cc b/sql/sql_string.cc
index 422b1ec3b4b..83a048297af 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 *) x->ptr(),x->length(),
- (unsigned char *) y->ptr(),y->length());
+ (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)
+{
+ 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);
}