[#MDEV-12718] Determine Item::cmp_type() from Item::type

[MDEV-12718] Determine Item::cmp_type() from Item::type_handler() Created: 2017-05-07 Updated: 2017-05-17 Resolved: 2017-05-17
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:

Labels:

datatype, refactoring

Issue Links:

Blocks
blocks	~~MDEV-4912~~	Data type plugin API version 1	Closed
Relates
relates to	~~MDEV-12714~~	Determine Item::field_type() from Ite...	Closed
relates to	~~MDEV-12719~~	Determine Item::result_type() from It...	Closed
relates to	~~MDEV-9215~~	Detect cmp_type() and result_type() f...	Closed

Description

We'll change Item::cmp_type() to be a non-virtual inline method:

Item_result cmp_type() const

  return type_handler()->cmp_type();

and remove all virtual implementations from all Item descendants.

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