pg_stat_get_db_tuples_inserted(d.oid) AS tup_inserted, pg_stat_get_db_tuples_updated(d.oid) AS tup_updated, pg_stat_get_db_tuples_deleted(d.oid) AS tup_deleted, pg_stat_get_db_conflict_all(d.oid) AS conflicts, pg_stat_get_db_temp_files(d.oid) AS temp_files, pg_stat_get...
postgres=# select pg_get_viewdef(‘v1’); pg_get_viewdef SELECT t1.id + FROM t1; (1 row) postgres=# SELECT conname, pg_get_constraintdef(r.oid, true) as definition FROM pg_constraint r WHERE r.conrelid = ‘t1’::regclass; conname | definition ---±--- con1 | CHECK (id <...
实际上gp_log_system是一个command外部表,列出了所有segment, master的csvlog的内容。 View definition: SELECT__gp_log_segment_ext.logtime,__gp_log_segment_ext.loguser,__gp_log_segment_ext.logdatabase,__gp_log_segment_ext.logpid,__gp_log_segment_ext.logthread,__gp_log_segment_ext.loghost,...
postgres=# \helpSELECTCommand:SELECTDescription:retrieve rows from a table or viewSyntax:[WITH[RECURSIVE]with_query[,...]]SELECT[ALL|DISTINCT[ON(expression[,...])]][*|expression[[AS]output_name][,...]][FROMfrom_item[,...]][WHEREcondition][GROUPBYgrouping_element[,...]][HAVINGcondition[...
create_immv定义一个新的IMMV。一个名为immv_name的表被创建,并且被view_definition指定的查询被执行并使用结果填充IMMV。定义查询被保存在pg_ivm_immv,以便稍后在增量视图维护时进行刷新。create_immv返回创建好的IMMV的数据行数。 在创建IMMV时,会自动创建触发器,以便在修改其基表时立即更新视图的内容。此外...
with external editor \ef [FUNCNAME [LINE]] edit function definition with external editor...Informational (options: S = show system objects, + = additional detail) \d[S+] list tables, views, and sequences \d[S+] NAME describe table, view, sequence, or index \da[S] ...
View definition: SELECT __gp_log_segment_ext.logtime, __gp_log_segment_ext.loguser, __gp_log_segment_ext.logdatabase, __gp_log_segment_ext.logpid, __gp_log_segment_ext.logthread, __gp_log_segment_ext.loghost, __gp_log_segment_ext.logport, __gp_log_segme nt_ext.logsessiontime...
variables show help on special variables \h [NAME] help on syntax of SQL commands, * for all commands Query Buffer \e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] edit function definition with external editor ... Informational (options: S ...
\ef[FUNCNAME[LINE]]editfunctiondefinition with external editor...Informational(options:S=show system objects,+=additional detail)\d[S+]list tables,views,and sequences \d[S+]NAME describe table,view,sequence,or index \da[S][PATTERN]list aggregates ...
3.1Pg_event_trigger_ddl_commands()is used to capture the information at the end of the command. This article uses theObjIDfield, which is the ObjectID of the function, and then callspg_get_functiondef (oid)to obtain the definitio...