[MDEV-12771] Remove Item_func_xxx::decimal_precision() for case and abbreviations Created: 2017-05-10  Updated: 2017-05-10  Resolved: 2017-05-10

Status: Closed
Project: MariaDB Server
Component/s: OTHER
Fix Version/s: 10.3.1

Type: Task Priority: Major
Reporter: Alexander Barkov Assignee: Alexander Barkov
Resolution: Fixed Votes: 0
Labels: datatype, refactoring


 Description   

decimal_precision() implementations for the classes implementing CASE and CASE-alike functions became redundant after implementing MDEV-12770. The derived implementation from Item should perfectly do the job (by going through Type_handler_xxx::type_handler().

We'll remove decimal_precision() from the following classes:

Item_func_ifnull
 
Item_func_case_abbreviation2
 
Item_func_if
 
Item_func_nvl2
 
Item_func_nullif
 
Item_func_case

This will reduce the amount of duplicate code.

 Comments   
Comment by Alexander Barkov [ 2017-05-10 ]

Pushed to bb-10.2-ext

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