Change History

2022-11-17

This issue is the first official release, adapts to DWS 8.1.1.202.

Feature Changes:

GUC Parameters:Added the GUC parameter included enable_light_colupdate,bi_page_reuse_factor,expand_hashtable_ratio,query_dop_ratio,enable_row_fast_numeric,enable_view_update,enable_grant_option).

Functions and Operators:Added the function included pgxc_wlm_get_schema_space(cstring),pgxc_wlm_analyze_schema_space(cstring),median(expression),gs_password_expiration,pgxc_get_lock_conflicts(),percentile_disc(const) within group(order by expression),percentile_cont(const) within group(order by expression).

System Views:Added system views included PGXC_TOTAL_SCHEMA_INFO,PGXC_TOTAL_SCHEMA_INFO_ANALYZE,GS_WLM_SQL_ALLOW,PGXC_BULKLOAD_PROGRESS,PGXC_BULKLOAD_STATISTICS,PG_BULKLOAD_STATISTICS.

Keyword:Added keywords included EXPIRATION,IFNULL and TIMESTAMPDIFF.

CREATE REDACTION POLICY:Added Custom data redaction.

Syntax Compatibility Differences Among Oracle, Teradata, and MySQL:Added MySQL Syntax Compatibility Differences .