Drill down into detailed per-query statistics and benefit from insights into your query performance history to detect slow queries. Analyze EXPLAIN plans over time Automatically collect your EXPLAIN plans with auto_explain, and get detailed insights based on query plans gathered from your database. ...
“ANALYZE collects statistics about the contents of tables in Postgres, and stores the results in thepg_statisticcatalog.” These statistics are important and get used by the query planner. And in Postgres 17, ANALYZE is the first user for Streaming I/O with random streams...
The source of the query (indicated by icons corresponding to the toolbar). You can show or hide the queries generated internally by pgAdmin (during View/Edit Data or Save Data operations). To erase the content of theQuery Historytab, selectClear > Clear history. ...
pg_stat_kcacheandpg_profilefor collecting and displaying information in a human-readable way.pgpro_statsandpgpro_pwrprovide additional data related to waits history and query execution
The Postgres planner is central to determining how a query gets executed, whether indexes get used, how tables are joined, and more. When Postgres asks itself "How do we run this query?”, the planner answers. And just like Postgres has evolved over decades, the planner has not stood ...
第二个查询被称为递归成员，使该查询称为递归成员的是对CTE名称的递归引用是触发。在逻辑上可以将CTE...
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src\bin\pg_basebackup\receivelog.c437while(1){if(!existsTimeLineHistoryFile){//查看本地是否存在wal,如果是从上次结束的地方在开始 res = PQexec(conn,"TIMELINE_HISTORY %u");//538//参考http://www.postgres.cn/docs/14/protocol-replication.html ...
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PG_EXPORTER_EXTEND_QUERY_PATH Path to a YAML file containing custom queries to run. Check out queries.yaml for examples of the format. PG_EXPORTER_CONSTANT_LABELS (DEPRECATED) Labels to set in all metrics. A list of label=value pairs, separated by commas. PG_EXPORTER_EXCLUDE_DATABASES (DEPR...