store_key Class Reference

#include <sql_select.h>

Inheritance diagram for store_key:

List of all members.

Public Types
enum	store_key_result { STORE_KEY_OK, STORE_KEY_FATAL, STORE_KEY_CONV }
Public Member Functions
	store_key (THD *thd, Field *field_arg, uchar *ptr, uchar *null, uint length)
virtual const char *	name () const =0
enum store_key_result	copy ()
	sets ignore truncation warnings mode and calls the real copy method
Public Attributes
bool	null_key
Protected Member Functions
virtual enum store_key_result	copy_inner ()=0
Protected Attributes
Field *	to_field
uchar *	null_ptr
uchar	err

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Detailed Description

class to copying an field/item to a key struct

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Member Function Documentation

enum store_key_result store_key::copy

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[inline]

sets ignore truncation warnings mode and calls the real copy method

this function makes sure truncation warnings when preparing the key buffers don't end up as errors (because of an enclosing INSERT/UPDATE).

virtual const char* store_key::name

(

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const [pure virtual]

Not actually needed

Implemented in store_key_const_item, store_key_item, and store_key_field.

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The documentation for this class was generated from the following file:

• sql_select.h