MogDB 5.0.5

1. Version Description

MogDB 5.0.5 is a patch version of MogDB 5.0.0, which is released on Dec 30 of 2023. It mainly involves some bug fixes based on MogDB 5.0.4.

2. New Features

1. Support to recognize EM SPACE in UTF8, EM SPACE and IDEOGRAPHIC SPACE in GBK.

2. Support the use of the beginning of a number as a table name or column name in B mode.

3. Support allowing aliases and columns to be repeated in the having clause in B mode.

4. Support IFNULL function parameter is time dependent type in B mode.

3. Fixed Defects

1. Fix the defect that the database folder belonging to the backup machine fails to be created when the playback table is created.
2. Fix the defect of low probability of downtime during concurrent query of partitioned table
3. Fix the defect that creating a view containing a function with subtype as its return type reports an error
4. Fix the defect of duplicated columns when postgres_fdw constructs column names.
5. Fix the defect of querying the outer table plan error when executing explain analyze statement when setting show_fdw_remote_plan to true.
6. Fix the defect of misrecognizing the separator character in copy from stdin statement
7. Fix the defect that using to_timestamp will report error after creating whale
8. Fix the defect that using partitioned table in related subquery causes downtime with low probability
9. Fix the defect of low probability of downtime caused by using compressed table
10. Fix the defect of compressed table not reading files under 1M when copy from is performed
11. Fix the defect of failing to export hash partition table by gs_dump after converting partition key in partition table.
12. Fix the defect of push to subquery and query_dop parameter coupling under join condition