From 18d3292bb7cd47db17207f8cdbf74e925b34e74b Mon Sep 17 00:00:00 2001
From: unknown <bar@bar.mysql.r18.ru>
Date: Tue, 18 Mar 2003 13:42:45 +0400
Subject: [PATCH] SHOW CREATE TABLE didn't display field names in the proper
 charset

mysys/charset.c:
  Clear all fields at the end of previous charset
---
 mysql-test/r/ctype_recoding.result | 43 ++++++++++++++++++++++++++++++
 mysql-test/t/ctype_recoding.test   | 28 +++++++++++++++++++
 mysys/charset.c                    |  2 ++
 sql/sql_show.cc                    |  4 +--
 sql/sql_string.cc                  | 28 +++++++++++++++++++
 sql/sql_string.h                   |  1 +
 6 files changed, 104 insertions(+), 2 deletions(-)
 create mode 100644 mysql-test/r/ctype_recoding.result
 create mode 100644 mysql-test/t/ctype_recoding.test

diff --git a/mysql-test/r/ctype_recoding.result b/mysql-test/r/ctype_recoding.result
new file mode 100644
index 00000000000..3422595c71f
--- /dev/null
+++ b/mysql-test/r/ctype_recoding.result
@@ -0,0 +1,43 @@
+SET NAMES koi8r;
+DROP TABLE IF EXISTS ΤΑΒΜΙΓΑ;
+CREATE TABLE ΤΑΒΜΙΓΑ 
+(
+ΠΟΜΕ CHAR(32) CHARACTER SET koi8r NOT NULL
+);
+SHOW TABLES;
+Tables_in_test
+ΤΑΒΜΙΓΑ
+SHOW CREATE TABLE ΤΑΒΜΙΓΑ;
+Table	Create Table
+ΤΑΒΜΙΓΑ	CREATE TABLE `ΤΑΒΜΙΓΑ` (
+  `ΠΟΜΕ` char(32) character set koi8r NOT NULL default ''
+) TYPE=MyISAM CHARSET=latin1
+SHOW FIELDS FROM ΤΑΒΜΙΓΑ;
+Field	Type	Collation	Null	Key	Default	Extra
+ΠΟΜΕ	char(32) character set koi8r	koi8r				
+SET NAMES cp1251;
+SHOW TABLES;
+Tables_in_test
+ςΰαλθφΰ
+SHOW CREATE TABLE ςΰαλθφΰ;
+Table	Create Table
+ςΰαλθφΰ	CREATE TABLE `ςΰαλθφΰ` (
+  `οξλε` char(32) character set koi8r NOT NULL default ''
+) TYPE=MyISAM CHARSET=latin1
+SHOW FIELDS FROM ςΰαλθφΰ;
+Field	Type	Collation	Null	Key	Default	Extra
+οξλε	char(32) character set koi8r	koi8r				
+SET NAMES utf8;
+SHOW TABLES;
+Tables_in_test
+Ρ‚Π°Π±Π»ΠΈΡ†Π°
+SHOW CREATE TABLE Ρ‚Π°Π±Π»ΠΈΡ†Π°;
+Table	Create Table
+Ρ‚Π°Π±Π»ΠΈΡ†Π°	CREATE TABLE `Ρ‚Π°Π±Π»ΠΈΡ†Π°` (
+  `ΠΏΠΎΠ»Πµ` char(32) character set koi8r NOT NULL default ''
+) TYPE=MyISAM CHARSET=latin1
+SHOW FIELDS FROM Ρ‚Π°Π±Π»ΠΈΡ†Π°;
+Field	Type	Collation	Null	Key	Default	Extra
+ΠΏΠΎΠ»Πµ	char(32) character set koi8r	koi8r				
+SET NAMES koi8r;
+DROP TABLE ΤΑΒΜΙΓΑ;
diff --git a/mysql-test/t/ctype_recoding.test b/mysql-test/t/ctype_recoding.test
new file mode 100644
index 00000000000..c0b7139c791
--- /dev/null
+++ b/mysql-test/t/ctype_recoding.test
@@ -0,0 +1,28 @@
+SET NAMES koi8r;
+
+--disable_warnings
+DROP TABLE IF EXISTS ΤΑΒΜΙΓΑ;
+--enable_warnings
+
+CREATE TABLE ΤΑΒΜΙΓΑ 
+(
+  ΠΟΜΕ CHAR(32) CHARACTER SET koi8r NOT NULL
+);
+
+SHOW TABLES;
+SHOW CREATE TABLE ΤΑΒΜΙΓΑ;
+SHOW FIELDS FROM ΤΑΒΜΙΓΑ;
+
+SET NAMES cp1251;
+SHOW TABLES;
+SHOW CREATE TABLE ςΰαλθφΰ;
+SHOW FIELDS FROM ςΰαλθφΰ;
+
+
+SET NAMES utf8;
+SHOW TABLES;
+SHOW CREATE TABLE Ρ‚Π°Π±Π»ΠΈΡ†Π°;
+SHOW FIELDS FROM Ρ‚Π°Π±Π»ΠΈΡ†Π°;
+
+SET NAMES koi8r;
+DROP TABLE ΤΑΒΜΙΓΑ;
diff --git a/mysys/charset.c b/mysys/charset.c
index 0b2fd514019..ce44353b065 100644
--- a/mysys/charset.c
+++ b/mysys/charset.c
@@ -341,6 +341,8 @@ static int add_collation(CHARSET_INFO *cs)
       all_charsets[cs->number]->state |= cs->state;
     }
     cs->number= 0;
+    cs->primary_number= 0;
+    cs->binary_number= 0;
     cs->name= NULL;
     cs->state= 0;
     cs->sort_order= NULL;
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 5db7d2f1406..00df2c44fd6 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -1014,12 +1014,12 @@ append_identifier(THD *thd, String *packet, const char *name)
   if (thd->options & OPTION_QUOTE_SHOW_CREATE)
   {
     packet->append(&qtype, 1);
-    packet->append(name);
+    packet->append(name, 0, system_charset_info);
     packet->append(&qtype, 1);
   }
   else
   {
-    packet->append(name);
+    packet->append(name, 0, system_charset_info);
   }
 }
 
diff --git a/sql/sql_string.cc b/sql/sql_string.cc
index ae3875834f0..54a76319be7 100644
--- a/sql/sql_string.cc
+++ b/sql/sql_string.cc
@@ -338,6 +338,34 @@ bool String::append(const char *s,uint32 arg_length)
 }
 
 
+/*
+  Append a string in the given charset to the string
+  with character set recoding
+*/
+
+
+bool String::append(const char *s,uint32 arg_length, CHARSET_INFO *cs)
+{
+  if (!arg_length)				// Default argument
+    if (!(arg_length= (uint32) strlen(s)))
+      return FALSE;
+  if (str_charset->mbmaxlen > 1)
+  {
+    uint32 add_length=arg_length * str_charset->mbmaxlen;
+    if (realloc(str_length+ add_length))
+      return TRUE;
+    str_length+= copy_and_convert(Ptr+str_length, add_length, str_charset,
+				  s, arg_length, cs);
+    return FALSE;
+  }
+  if (realloc(str_length+arg_length))
+    return TRUE;
+  memcpy(Ptr+str_length,s,arg_length);
+  str_length+=arg_length;
+  return FALSE;
+}
+
+
 #ifdef TO_BE_REMOVED
 bool String::append(FILE* file, uint32 arg_length, myf my_flags)
 {
diff --git a/sql/sql_string.h b/sql/sql_string.h
index 8e0705844ad..469574ca2e4 100644
--- a/sql/sql_string.h
+++ b/sql/sql_string.h
@@ -181,6 +181,7 @@ public:
 	    CHARSET_INFO *csto);
   bool append(const String &s);
   bool append(const char *s,uint32 arg_length=0);
+  bool append(const char *s,uint32 arg_length, CHARSET_INFO *cs);
   bool append(IO_CACHE* file, uint32 arg_length);
   int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
   int strstr_case(const String &s,uint32 offset=0);