[#MDEV-10772] Introduce Item_param::CONVERSION

PL/SQL parser (MDEV-10142) [MDEV-10772] Introduce Item_param::CONVERSION_INFO Created: 2016-09-08 Updated: 2020-08-27 Resolved: 2016-09-10
Status:	Closed
Project:	MariaDB Server
Component/s:	OTHER
Affects Version/s:	None
Fix Version/s:	10.2.3, 10.3.0

Type:

Technical task

Priority:

Major

Reporter:

Alexander Barkov

Assignee:

Alexander Barkov

Resolution:

Fixed

Votes:

Labels:

Compatibility, refactoring

Issue Links:

Blocks
blocks	~~MDEV-10709~~	Expressions as parameters to Dynamic SQL	Closed

Sprint:

10.2.2-3, 10.2.2-1, 10.2.2-2, 10.2.2-4, 10.1.18

Description

We'll join character set related members in Item_param into a structure like this:

struct CONVERSION_INFO

  CHARSET_INFO *character_set_client;

  CHARSET_INFO *character_set_of_placeholder;

  CHARSET_INFO *final_character_set_of_str_value;

} cs_info;

This is needed for easier further work, e,g, ~~MDEV-10709~~

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