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  • Committer: Monty Taylor
  • Date: 2009-04-14 19:16:51 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 994.
  • Revision ID: mordred@inaugust.com-20090414191651-ltbww6hpqks8k7qk
Clarified instructions in README.

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drizzled/item/ident.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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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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#include <cstdio>
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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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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((uint32_t) strlen(db_name)+(uint32_t) strlen(table_name)+
 
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                          (uint32_t) 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((uint32_t) strlen(table_name) +
 
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                             (uint32_t) 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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  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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    if (lower_case_table_names== 1 ||
 
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        (lower_case_table_names == 2 && !alias_name_used))
 
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      // Keeping the std:: here, since Item_ident has a transform method
 
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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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    if (lower_case_table_names== 1 ||
 
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        (lower_case_table_names == 2 && !alias_name_used))
 
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      // Keeping the std:: prefix here, since Item_ident has a transform 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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  }
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String *Item_ident_for_show::val_str(String *str)
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{
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  return field->val_str_internal(str);
 
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  return field->val_str(str);
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}
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type::Decimal *Item_ident_for_show::val_decimal(type::Decimal *dec)
 
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my_decimal *Item_ident_for_show::val_decimal(my_decimal *dec)
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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->charsetnr= field->charset()->number;
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  tmp_field->length=field->field_length;
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  tmp_field->type=field->type();
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  tmp_field->flags= field->getTable()->maybe_null ?
 
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  tmp_field->flags= field->table->maybe_null ?
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    (field->flags & ~NOT_NULL_FLAG) : field->flags;
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  tmp_field->decimals= field->decimals();
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}
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} /* namespace drizzled */