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Two separate commands: SHOW COLLATION and SHOW CHARACTER SET

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unknown
2003-03-25 13:38:05 +04:00
parent bbbc2564b8
commit f8b7332cf3
5 changed files with 79 additions and 21 deletions
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92
sql/sql_show.cc
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@ -1414,6 +1414,71 @@ void mysqld_list_processes(THD *thd,const char *user, bool verbose)
Status functions
*****************************************************************************/
static bool write_collation(Protocol *protocol, CHARSET_INFO *cs)
{
char flags[4];
protocol->prepare_for_resend();
protocol->store(cs->csname, system_charset_info);
protocol->store(cs->name, system_charset_info);
protocol->store_short((longlong) cs->number);
flags[0]='\0';
if (cs->state & MY_CS_PRIMARY)
strcat(flags,"def");
protocol->store(flags, system_charset_info);
protocol->store_short((longlong) cs->strxfrm_multiply);
return protocol->write();
}
int mysqld_show_collations(THD *thd, const char *wild)
{
char buff[8192];
String packet2(buff,sizeof(buff),thd->charset());
List<Item> field_list;
CHARSET_INFO **cs;
Protocol *protocol= thd->protocol;
char flags[64];
DBUG_ENTER("mysqld_show_charsets");
field_list.push_back(new Item_empty_string("Charset",30));
field_list.push_back(new Item_empty_string("Collation",30));
field_list.push_back(new Item_return_int("Id",11, FIELD_TYPE_SHORT));
field_list.push_back(new Item_empty_string("Flags",30));
field_list.push_back(new Item_return_int("strx_maxlen",3, FIELD_TYPE_SHORT));
if (protocol->send_fields(&field_list, 1))
DBUG_RETURN(1);
for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
{
CHARSET_INFO **cl;
for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
{
if (!cs[0] || !cl[0] || !my_charset_same(cs[0],cl[0]) || !(cs[0]->state & MY_CS_PRIMARY))
continue;
if (cs[0] && !(wild && wild[0] &&
wild_case_compare(system_charset_info,cs[0]->name,wild)))
{
if (write_collation(protocol, cl[0]))
goto err;
}
}
}
send_eof(thd);
DBUG_RETURN(0);
err:
DBUG_RETURN(1);
}
static bool write_charset(Protocol *protocol, CHARSET_INFO *cs)
{
protocol->prepare_for_resend();
protocol->store(cs->csname, system_charset_info);
protocol->store(cs->name, system_charset_info);
protocol->store_short((longlong) cs->mbmaxlen);
return protocol->write();
}
int mysqld_show_charsets(THD *thd, const char *wild)
{
char buff[8192];
@ -1425,32 +1490,19 @@ int mysqld_show_charsets(THD *thd, const char *wild)
DBUG_ENTER("mysqld_show_charsets");
field_list.push_back(new Item_empty_string("CS_Name",30));
field_list.push_back(new Item_empty_string("COL_Name",30));
field_list.push_back(new Item_return_int("Id",11, FIELD_TYPE_SHORT));
field_list.push_back(new Item_empty_string("Flags",30));
field_list.push_back(new Item_return_int("strx_maxlen",3, FIELD_TYPE_TINY));
field_list.push_back(new Item_return_int("mb_maxlen",3, FIELD_TYPE_TINY));
field_list.push_back(new Item_empty_string("Charset",30));
field_list.push_back(new Item_empty_string("Default collation",60));
field_list.push_back(new Item_return_int("Maxlen",3, FIELD_TYPE_SHORT));
if (protocol->send_fields(&field_list, 1))
DBUG_RETURN(1);
for (cs=all_charsets ; cs < all_charsets+255 ; cs++ )
for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
{
if (cs[0] && !(wild && wild[0] &&
wild_case_compare(system_charset_info,cs[0]->name,wild)))
if (cs[0] && (cs[0]->state & MY_CS_PRIMARY) && !(wild && wild[0] &&
wild_case_compare(system_charset_info,cs[0]->name,wild)))
{
protocol->prepare_for_resend();
protocol->store(cs[0]->csname, system_charset_info);
protocol->store(cs[0]->name, system_charset_info);
protocol->store_short((longlong) cs[0]->number);
flags[0]='\0';
if (cs[0]->state & MY_CS_PRIMARY)
strcat(flags,"pri");
protocol->store(flags, system_charset_info);
protocol->store_tiny((longlong) cs[0]->strxfrm_multiply);
protocol->store_tiny((longlong) cs[0]->mbmaxlen);
if (protocol->write())
if (write_charset(protocol, cs[0]))
goto err;
}
}