diff options
Diffstat (limited to 'sql/item_func.cc')
-rw-r--r-- | sql/item_func.cc | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/sql/item_func.cc b/sql/item_func.cc index bd811726b47..ed7398b4f94 100644 --- a/sql/item_func.cc +++ b/sql/item_func.cc @@ -22,14 +22,13 @@ #endif #include "mysql_priv.h" +#include "slave.h" // for wait_for_master_pos #include <m_ctype.h> #include <hash.h> #include <time.h> #include <ft_global.h> #include <zlib.h> -#include "slave.h" // for wait_for_master_pos -#include "gstream.h" - +#include <assert.h> /* return TRUE if item is a constant */ @@ -231,9 +230,11 @@ Field *Item_func::tmp_table_field(TABLE *t_arg) break; case STRING_RESULT: if (max_length > 255) - res= new Field_blob(max_length, maybe_null, name, t_arg, binary); + res= new Field_blob(max_length, maybe_null, name, t_arg, binary, + str_value.charset()); else - res= new Field_string(max_length, maybe_null, name, t_arg, binary); + res= new Field_string(max_length, maybe_null, name, t_arg, binary, + str_value.charset()); break; } return res; @@ -2390,18 +2391,19 @@ longlong Item_func_bit_xor::val_int() Item *get_system_var(enum_var_type var_type, LEX_STRING name) { - if (!my_strcasecmp(name.str,"VERSION")) - return new Item_string("@@VERSION",server_version, - (uint) strlen(server_version)); + if (!my_strcasecmp(system_charset_info, name.str, "VERSION")) + return new Item_string("@@VERSION", server_version, + (uint) strlen(server_version), + system_charset_info); THD *thd=current_thd; Item *item; sys_var *var; char buff[MAX_SYS_VAR_LENGTH+3]; - if (!(var= find_sys_var(name.str))) + if (!(var= find_sys_var(name.str, name.length))) { - net_printf(&thd->net, ER_UNKNOWN_SYSTEM_VARIABLE, name.str); + net_printf(thd, ER_UNKNOWN_SYSTEM_VARIABLE, name.str); return 0; } if (!(item=var->item(thd, var_type))) @@ -2415,6 +2417,23 @@ Item *get_system_var(enum_var_type var_type, LEX_STRING name) } +Item *get_system_var(enum_var_type var_type, const char *var_name, uint length, + const char *item_name) +{ + THD *thd=current_thd; + Item *item; + sys_var *var; + + var= find_sys_var(var_name, length); + DBUG_ASSERT(var != 0); + if (!(item=var->item(thd, var_type))) + return 0; // Impossible + thd->safe_to_cache_query=0; + item->set_name(item_name); // Will use original name + return item; +} + + /* Check a user level lock. |