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Item_func_signed Class Reference
Inheritance diagram for Item_func_signed:
Item_int_func Item_func Item_result_field Item Item_func_unsigned

List of all members.

Public Member Functions

 Item_func_signed (Item *a)
const char * func_name () const
longlong val_int ()
longlong val_int_from_str (int *error)
void fix_length_and_dec ()
virtual void print (String *str, enum_query_type query_type)
uint decimal_precision () const

Member Function Documentation

void Item_func_signed::print ( String str,
enum_query_type  query_type 
) [virtual]

This method is used for to:

  • to generate a view definition query (SELECT-statement);
  • to generate a SQL-query for EXPLAIN EXTENDED;
  • to generate a SQL-query to be shown in INFORMATION_SCHEMA;
  • debug.

For more information about view definition query, INFORMATION_SCHEMA query and why they should be generated from the Item-tree,

See also:

Reimplemented from Item_func.

Reimplemented in Item_func_unsigned.

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