database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Prepared_statement deployed instead of PREP_STMT.

Browse Source
This commit is contained in:
konstantin@oak.local
2003-12-20 02:16:10 +03:00
parent d37da004f6
commit 2a25b2617a
8 changed files with 613 additions and 430 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
libmysqld/lib_sql.cc
View File

@ -743,90 +743,3 @@ bool Protocol::convert_str(const char *from, uint length)
}
#endif
bool setup_params_data(st_prep_stmt *stmt)
{
THD *thd= stmt->thd;
List<Item> &params= thd->lex->param_list;
List_iterator<Item> param_iterator(params);
Item_param *param;
ulong param_no= 0;
MYSQL_BIND *client_param= thd->client_params;
DBUG_ENTER("setup_params_data");
for (;(param= (Item_param *)param_iterator++); client_param++)
{
setup_param_functions(param, client_param->buffer_type);
if (!param->long_data_supplied)
{
if (*client_param->is_null)
param->maybe_null= param->null_value= 1;
else
{
uchar *buff= (uchar*)client_param->buffer;
param->maybe_null= param->null_value= 0;
param->setup_param_func(param,&buff,
client_param->length ?
*client_param->length :
client_param->buffer_length);
}
}
param_no++;
}
DBUG_RETURN(0);
}
bool setup_params_data_withlog(st_prep_stmt *stmt)
{
THD *thd= stmt->thd;
List<Item> &params= thd->lex->param_list;
List_iterator<Item> param_iterator(params);
Item_param *param;
MYSQL_BIND *client_param= thd->client_params;
DBUG_ENTER("setup_params_data");
String str, *res, *query= new String(stmt->query->alloced_length());
query->copy(*stmt->query);
ulong param_no= 0;
uint32 length= 0;
for (;(param= (Item_param *)param_iterator++); client_param++)
{
setup_param_functions(param, client_param->buffer_type);
if (param->long_data_supplied)
res= param->query_val_str(&str);
else
{
if (*client_param->is_null)
{
param->maybe_null= param->null_value= 1;
res= &my_null_string;
}
else
{
uchar *buff= (uchar*)client_param->buffer;
param->maybe_null= param->null_value= 0;
param->setup_param_func(param,&buff,
client_param->length ?
*client_param->length :
client_param->buffer_length);
res= param->query_val_str(&str);
}
}
if (query->replace(param->pos_in_query+length, 1, *res))
DBUG_RETURN(1);
length+= res->length()-1;
param_no++;
}
if (alloc_query(stmt->thd, (char *)query->ptr(), query->length()+1))
DBUG_RETURN(1);
query->free();
DBUG_RETURN(0);
}