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Viewing changes to drizzled/stored_key.h

  • Committer: Brian Aker
  • Date: 2011-02-12 06:56:00 UTC
  • mto: This revision was merged to the branch mainline in revision 2161.
  • Revision ID: brian@tangent.org-20110212065600-m6c68fybw51rflhj
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drizzled/stored_key.h
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#ifndef DRIZZLED_STORED_KEY_H
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#define DRIZZLED_STORED_KEY_H
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#include <drizzled/memory/sql_alloc.h>
 
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#include <drizzled/copy_field.h>
 
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namespace drizzled
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{
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class Field;
 
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class Session;
 
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class Item;
 
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/** class to store an field/item as a key struct */
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class StoredKey :public memory::SqlAlloc
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{
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    STORE_KEY_FATAL, 
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    STORE_KEY_CONV 
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  };
 
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protected:
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  Field *to_field;                              // Store data here
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  unsigned char *null_ptr;
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  unsigned char err;
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  virtual enum store_key_result copy_inner()=0;
 
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public:
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  StoredKey(Session *session,
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            Field *field_arg, 
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public:
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  store_key_field(Session *session, Field *to_field_arg, unsigned char *ptr,
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                  unsigned char *null_ptr_arg,
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                  uint32_t length, Field *from_field, const char *name_arg)
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    :StoredKey(session, to_field_arg,ptr,
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               null_ptr_arg ? null_ptr_arg : from_field->maybe_null() ? &err
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               : (unsigned char*) 0, length), field_name(name_arg)
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  {
 
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                  uint32_t length, Field *from_field, const char *name_arg) :
 
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    StoredKey(session, to_field_arg,ptr,
 
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              null_ptr_arg ? null_ptr_arg : from_field->maybe_null() ? &err
 
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              : (unsigned char*) 0, length), field_name(name_arg)
 
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    {
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    if (to_field)
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    {
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      copy_field.set(to_field,from_field,0);
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class store_key_item :public StoredKey
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{
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 protected:
 
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protected:
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  Item *item;
 
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public:
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  store_key_item(Session *session, Field *to_field_arg, unsigned char *ptr,
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                 unsigned char *null_ptr_arg, uint32_t length, Item *item_arg) :
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class store_key_const_item :public store_key_item
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{
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  bool inited;
 
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public:
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  store_key_const_item(Session *session, Field *to_field_arg, unsigned char *ptr,
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                       unsigned char *null_ptr_arg, uint32_t length,
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                       Item *item_arg) :
 
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                       unsigned char *null_ptr_arg, uint32_t length,
 
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                       Item *item_arg) :
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    store_key_item(session, to_field_arg,ptr,
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                   null_ptr_arg ? null_ptr_arg : item_arg->maybe_null ?
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                   &err : (unsigned char*) 0, length, item_arg), inited(0)