[#MDEV-20477] Merge binlog extended metadata support from the upstream

commit c019294ca8fece7af3bca6e6190e4e1efafa22af

Author: Libing Song <libing.song@oracle.com>

Date:   Tue Feb 28 09:56:53 2017 +0800

    WL#4618 RBR: extended table metadata in the binary log

commit 80c33082d0d033ba35e9ddcd5b848f50e59a1aa4

Author: Jon Olav Hauglid <jon.hauglid@oracle.com>

Date:   Mon Mar 6 11:36:05 2017 +0100

WL#4618 RBR: extended table metadata in the binary log

        Post-push fix: Fix Clang -Wtautological-constant-out-of-range-compare

 build warning.

commit 0cdb2d9c5882d3c1c698dfe4b31510c27deacd45

Author: Maria Couceiro <maria.couceiro@oracle.com>

Date:   Thu May 18 15:35:21 2017 +0100

 BUG#26020990 --PRINT-TABLE-METADATA DOES NOT DISPLAY ALL METADATA IN TABLE_MAP_LOG EVENT

commit e5b96670ed2aa075bab2eb33c6e5d675100979dd

Author: Sven Sandberg <sven.sandberg@oracle.com>

Date:   Fri Oct 12 10:58:35 2018 +0200

    BUG#28706307: CHARACTER SET OF ENUM DATA TYPE IS NOT AVAILABLE AS PART OF OPTIONAL METADATA

    BUG#28774144: MYSQLBINLOG --PRINT-TABLE-METADATA SHOW WRONG INFO ABOUT DEFAULT CHARSET

And also create a function virtual binlog_type_info() for field which contains relevant metadata (like binlog_type(), signnness , charset , geom_type)
For example

   uchar m_type_code;     // according to Field::binlog_type()

/**

     Retrieve the field metadata for fields.

*/

   uint16 m_metadata;

   uint8 m_metadata_size;

   binlog_signess_t m_signess;

   CHARSET_INFO *m_cs; // NULL if not relevant

   TYPELIB *m_enum_typelib; // NULL if not relevant

   TYPELIB *m_set_typelib; // NULL if not relevant

   uchar m_geom_type; // Non-geometry fields can return 0

Usage:-
This functionality will be later used to implement MDEV-19708
binlog_type_info() function will be used in pluggable datatypes implementation

[MDEV-20477] Merge binlog extended metadata support from the upstream Created: 2019-09-03 Updated: 2021-10-15 Resolved: 2019-09-11
Status:	Closed
Project:	MariaDB Server
Component/s:	Replication
Fix Version/s:	10.5.0

[MDEV-20477] Merge binlog extended metadata support from the upstream Created: 2019-09-03 Updated: 2021-10-15 Resolved: 2019-09-11