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Item_func_log Class Reference
Inheritance diagram for Item_func_log:
Item_dec_func Item_real_func Item_func Item_result_field Item

List of all members.

Public Member Functions

 Item_func_log (Item *a)
 Item_func_log (Item *a, Item *b)
double val_real ()
const char * func_name () const

Member Function Documentation

double Item_func_log::val_real ( void  ) [virtual]

Extended but so slower LOG function.

We have to check if all values are > zero and first one is not one as these are the cases then result is not a number.

Implements Item.

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