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  • Committer: Brian Aker
  • Date: 2009-01-17 02:46:52 UTC
  • Revision ID: brian@gir-3.local-20090117024652-4ducefje08ajbs1q
Refactor append_identifier and remove dead OPTION_QUOTE_SHOW_CREATE option
(we always quote).

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drizzled/item/ident.cc
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
 
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#include <drizzled/server_includes.h>
 
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#include CSTDINT_H
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#include <drizzled/show.h>
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#include <drizzled/table.h>
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#include <drizzled/current_session.h>
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#include <drizzled/item/ident.h>
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using namespace std;
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namespace drizzled
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{
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const uint32_t NO_CACHED_FIELD_INDEX= UINT32_MAX;
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Item_ident::Item_ident(Name_resolution_context *context_arg,
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void Item_ident::cleanup()
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{
 
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#ifdef CANT_BE_USED_AS_MEMORY_IS_FREED
 
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                       db_name ? db_name : "(null)",
 
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                       orig_db_name ? orig_db_name : "(null)",
 
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                       table_name ? table_name : "(null)",
 
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                       orig_table_name ? orig_table_name : "(null)",
 
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                       field_name ? field_name : "(null)",
 
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                       orig_field_name ? orig_field_name : "(null)"));
 
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#endif
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  Item::cleanup();
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  db_name= orig_db_name;
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  table_name= orig_table_name;
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bool Item_ident::remove_dependence_processor(unsigned char * arg)
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{
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  if (depended_from == (Select_Lex *) arg)
 
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  if (depended_from == (st_select_lex *) arg)
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    depended_from= 0;
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  return(0);
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}
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const char *Item_ident::full_name() const
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{
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  char *tmp;
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        size_t tmp_len;
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  if (!table_name || !field_name)
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    return field_name ? field_name : name ? name : "tmp_field";
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  if (db_name && db_name[0])
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  {
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    tmp_len= strlen(db_name)+strlen(table_name)+strlen(field_name)+3;
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    tmp= (char*) memory::sql_alloc(tmp_len);
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    snprintf(tmp, tmp_len, "%s.%s.%s",db_name,table_name,field_name);
 
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    tmp=(char*) sql_alloc((uint) strlen(db_name)+(uint) strlen(table_name)+
 
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                          (uint) strlen(field_name)+3);
 
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    sprintf(tmp,"%s.%s.%s",db_name,table_name,field_name);
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  }
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  else
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  {
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    if (table_name[0])
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    {
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      tmp_len=strlen(table_name)+strlen(field_name)+2;
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      tmp= (char*) memory::sql_alloc(tmp_len);
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      snprintf(tmp, tmp_len, "%s.%s", table_name, field_name);
 
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      tmp= (char*) sql_alloc((uint) strlen(table_name) +
 
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                             (uint) strlen(field_name) + 2);
 
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      sprintf(tmp, "%s.%s", table_name, field_name);
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    }
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    else
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      tmp= (char*) field_name;
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void Item_ident::print(String *str,
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                       enum_query_type)
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{
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  string d_name, t_name;
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  if (table_name && table_name[0])
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  {
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    t_name.assign(table_name);
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    std::transform(t_name.begin(), t_name.end(),
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                   t_name.begin(), ::tolower);
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  }
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  if (db_name && db_name[0])
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  {
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    d_name.assign(db_name);
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    // Keeping the std:: prefix here, since Item_ident has a transform
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    // method
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      std::transform(d_name.begin(), d_name.end(),
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                     d_name.begin(), ::tolower);
 
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  char d_name_buff[MAX_ALIAS_NAME], t_name_buff[MAX_ALIAS_NAME];
 
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  const char *d_name= db_name, *t_name= table_name;
 
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  if (lower_case_table_names== 1 ||
 
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      (lower_case_table_names == 2 && !alias_name_used))
 
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  {
 
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    if (table_name && table_name[0])
 
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    {
 
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      strcpy(t_name_buff, table_name);
 
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      my_casedn_str(files_charset_info, t_name_buff);
 
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      t_name= t_name_buff;
 
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    }
 
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    if (db_name && db_name[0])
 
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    {
 
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      strcpy(d_name_buff, db_name);
 
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      my_casedn_str(files_charset_info, d_name_buff);
 
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      d_name= d_name_buff;
 
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    }
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  }
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  if (!table_name || !field_name || !field_name[0])
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  {
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    const char *nm= (field_name && field_name[0]) ?
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                      field_name : name ? name : "tmp_field";
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    str->append_identifier(nm, (uint32_t) strlen(nm));
 
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    str->append_identifier(nm, (uint) strlen(nm));
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    return;
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  }
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  if (db_name && db_name[0] && !alias_name_used)
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  {
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    {
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      str->append_identifier(d_name.c_str(), d_name.length());
 
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      str->append_identifier(d_name, (uint)strlen(d_name));
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      str->append('.');
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    }
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    str->append_identifier(t_name.c_str(), t_name.length());
 
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    str->append_identifier(t_name, (uint)strlen(t_name));
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    str->append('.');
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    str->append_identifier(field_name, (uint32_t)strlen(field_name));
 
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    str->append_identifier(field_name, (uint)strlen(field_name));
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  }
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  else
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  {
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    if (table_name[0])
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    {
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      str->append_identifier(t_name.c_str(), t_name.length());
 
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      str->append_identifier(t_name, (uint) strlen(t_name));
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      str->append('.');
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      str->append_identifier(field_name, (uint32_t) strlen(field_name));
 
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      str->append_identifier(field_name, (uint) strlen(field_name));
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    }
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    else
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      str->append_identifier(field_name, (uint32_t) strlen(field_name));
 
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      str->append_identifier(field_name, (uint) strlen(field_name));
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  }
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}
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  return field->val_decimal(dec);
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}
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void Item_ident_for_show::make_field(SendField *tmp_field)
 
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void Item_ident_for_show::make_field(Send_field *tmp_field)
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{
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  tmp_field->table_name= tmp_field->org_table_name= table_name;
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  tmp_field->db_name= db_name;
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  tmp_field->decimals= field->decimals();
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}
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} /* namespace drizzled */