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MySQL 5.1: mysql/src/5.1-dbg/sql/item_func.h File Reference

mysql/src/5.1-dbg/sql/item_func.h File Reference

#include <ft_global.h>

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Classes

class  Item_func
class  Item_real_func
class  Item_func_numhybrid
class  Item_func_num1
class  Item_num_op
class  Item_int_func
class  Item_func_connection_id
class  Item_func_signed
class  Item_func_unsigned
class  Item_decimal_typecast
class  Item_func_additive_op
class  Item_func_plus
class  Item_func_minus
class  Item_func_mul
class  Item_func_div
class  Item_func_int_div
class  Item_func_mod
class  Item_func_neg
class  Item_func_abs
class  Item_dec_func
class  Item_func_exp
class  Item_func_ln
class  Item_func_log
class  Item_func_log2
class  Item_func_log10
class  Item_func_sqrt
class  Item_func_pow
class  Item_func_acos
class  Item_func_asin
class  Item_func_atan
class  Item_func_cos
class  Item_func_sin
class  Item_func_tan
class  Item_func_integer
class  Item_func_int_val
class  Item_func_ceiling
class  Item_func_floor
class  Item_func_round
class  Item_func_rand
class  Item_func_sign
class  Item_func_units
class  Item_func_min_max
class  Item_func_min
class  Item_func_max
class  Item_func_length
class  Item_func_bit_length
class  Item_func_char_length
class  Item_func_coercibility
class  Item_func_locate
class  Item_func_field
class  Item_func_ascii
class  Item_func_ord
class  Item_func_find_in_set
class  Item_func_bit
class  Item_func_bit_or
class  Item_func_bit_and
class  Item_func_bit_count
class  Item_func_shift_left
class  Item_func_shift_right
class  Item_func_bit_neg
class  Item_func_last_insert_id
class  Item_func_benchmark
class  Item_func_sleep
class  Item_func_udf_float
class  Item_func_udf_int
class  Item_func_udf_decimal
class  Item_func_udf_str
class  Item_func_get_lock
class  Item_func_release_lock
class  Item_master_pos_wait
class  Item_func_set_user_var
class  Item_func_get_user_var
class  Item_user_var_as_out_param
class  Item_func_get_system_var
class  Item_func_inet_aton
class  Item_func_match
class  Item_func_bit_xor
class  Item_func_is_free_lock
class  Item_func_is_used_lock
class  Item_func_row_count
class  Item_func_sp
class  Item_func_found_rows

Enumerations

enum  Cast_target {
  ITEM_CAST_BINARY, ITEM_CAST_SIGNED_INT, ITEM_CAST_UNSIGNED_INT, ITEM_CAST_DATE,
  ITEM_CAST_TIME, ITEM_CAST_DATETIME, ITEM_CAST_CHAR, ITEM_CAST_DECIMAL
}

Functions

void item_user_lock_init (void)
void item_user_lock_release (User_level_lock *ull)
void item_user_lock_free (void)

Enumeration Type Documentation

enum Cast_target

Enumerator:
ITEM_CAST_BINARY 
ITEM_CAST_SIGNED_INT 
ITEM_CAST_UNSIGNED_INT 
ITEM_CAST_DATE 
ITEM_CAST_TIME 
ITEM_CAST_DATETIME 
ITEM_CAST_CHAR 
ITEM_CAST_DECIMAL 

Definition at line 1395 of file item_func.h.

01396 {
01397   ITEM_CAST_BINARY, ITEM_CAST_SIGNED_INT, ITEM_CAST_UNSIGNED_INT,
01398   ITEM_CAST_DATE, ITEM_CAST_TIME, ITEM_CAST_DATETIME, ITEM_CAST_CHAR,
01399   ITEM_CAST_DECIMAL
01400 };

Function Documentation

void item_user_lock_free ( void   ) 

Definition at line 3025 of file item_func.cc.

References hash_free(), hash_user_locks, and pthread_mutex_destroy.

Referenced by clean_up().

03026 {
03027   if (item_user_lock_inited)
03028   {
03029     item_user_lock_inited= 0;
03030     hash_free(&hash_user_locks);
03031     pthread_mutex_destroy(&LOCK_user_locks);
03032   }
03033 }

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void item_user_lock_init ( void   ) 

Definition at line 3017 of file item_func.cc.

References hash_init, hash_user_locks, MY_MUTEX_INIT_SLOW, NULL, pthread_mutex_init, system_charset_info, and ull_get_key().

Referenced by item_init().

03018 {
03019   pthread_mutex_init(&LOCK_user_locks,MY_MUTEX_INIT_SLOW);
03020   hash_init(&hash_user_locks,system_charset_info,
03021             16,0,0,(hash_get_key) ull_get_key,NULL,0);
03022   item_user_lock_inited= 1;
03023 }

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void item_user_lock_release ( User_level_lock *  ull  ) 

Definition at line 3035 of file item_func.cc.

References User_level_lock::cond, User_level_lock::count, User_level_lock::locked, and User_level_lock::thread_id.

Referenced by Item_func_get_lock::val_int(), and Item_func_release_lock::val_int().

03036 {
03037   ull->locked=0;
03038   ull->thread_id= 0;
03039   if (--ull->count)
03040     pthread_cond_signal(&ull->cond);
03041   else
03042     delete ull;
03043 }

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Generated on Sat Sep 9 02:24:12 2006 for MySQL 5.1 by  doxygen 1.4.7