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MySQL 5.1: Item_func_month Class Reference

Item_func_month Class Reference

#include <item_timefunc.h>

Inheritance diagram for Item_func_month:

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[legend]List of all members.


Public Member Functions
	Item_func_month (Item *a)
longlong	val_int ()
double	val_real ()
String *	val_str (String *str)
const char *	func_name () const
enum Item_result	result_type () const
void	fix_length_and_dec ()
bool	check_partition_func_processor (byte *bool_arg)

Detailed Description

Definition at line 94 of file item_timefunc.h.

Constructor & Destructor Documentation

Item_func_month::Item_func_month ( Item * a ) [inline]

Definition at line 97 of file item_timefunc.h.

00097 :Item_func(a) {}

Member Function Documentation

bool Item_func_month::check_partition_func_processor ( byte * bool_arg ) [inline, virtual]

Reimplemented from Item.

Definition at line 115 of file item_timefunc.h.

00115 { return 0;}

void Item_func_month::fix_length_and_dec ( ) [inline, virtual]

Implements Item_result_field.

Reimplemented in Item_func_monthname.

Definition at line 108 of file item_timefunc.h.

References Item::collation, Item::decimals, Item::max_length, Item::maybe_null, my_charset_bin, MY_CHARSET_BIN_MB_MAXLEN, and DTCollation::set().

00109   { 
00110     collation.set(&my_charset_bin);
00111     decimals=0;
00112     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
00113     maybe_null=1; 
00114   }

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const char* Item_func_month::func_name ( ) const [inline, virtual]

Implements Item_func.

Reimplemented in Item_func_monthname.

Definition at line 106 of file item_timefunc.h.

00106 { return "month"; }

enum Item_result Item_func_month::result_type ( ) const [inline, virtual]

Reimplemented from Item.

Reimplemented in Item_func_monthname.

Definition at line 107 of file item_timefunc.h.

References INT_RESULT.

00107 { return INT_RESULT; }

longlong Item_func_month::val_int ( ) [virtual]

Implements Item.

Definition at line 868 of file item_timefunc.cc.

References DBUG_ASSERT, Item::fixed, Item_func::get_arg0_date(), st_mysql_time::month, and TIME_FUZZY_DATE.

Referenced by val_real(), val_str(), and Item_func_monthname::val_str().

00869 {
00870   DBUG_ASSERT(fixed == 1);
00871   TIME ltime;
00872   (void) get_arg0_date(&ltime, TIME_FUZZY_DATE);
00873   return (longlong) ltime.month;
00874 }

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double Item_func_month::val_real ( void ) [inline, virtual]

Implements Item.

Definition at line 99 of file item_timefunc.h.

References DBUG_ASSERT, Item::fixed, and val_int().

00100   { DBUG_ASSERT(fixed == 1); return (double) Item_func_month::val_int(); }

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String* Item_func_month::val_str ( String * str ) [inline, virtual]

Implements Item.

Reimplemented in Item_func_monthname.

Definition at line 101 of file item_timefunc.h.

References my_charset_bin, Item::null_value, String::set(), and val_int().

00102   {
00103     str->set(val_int(), &my_charset_bin);
00104     return null_value ? 0 : str;
00105   }

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

mysql/src/5.1-dbg/sql/item_timefunc.h
mysql/src/5.1-dbg/sql/item_timefunc.cc

Generated on Sat Sep 9 21:38:12 2006 for MySQL 5.1 by

1.4.7

The world's most popular open source database

Item_func_month Class Reference

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation