gives the same output. To get 2 milliseconds, you can use the format 21-09-2022 12:002. 002; it is interpreted as 0.002 seconds, equivalent to 2 milliseconds. Year format If the year in the string is less than 4 digits, the TO_TIMESTAMP() function can adjust it with the nearest ...
add_pattern("application_name", "\\[\\w+ \\d+ - DB:\\w+\\]") grok(_, '%{TIMESTAMP_ISO8601:time} %{NOTSPACE:timezone} \\[%{NOTSPACE:process_id}\\] %{NOTSPACE:db_name} %{application_name:application_name} %{NOTSPACE:user} \\[%{NOTSPACE:localhost}\\] %{NOTSPACE:session...
AI代码解释 --Viewwithreadable locks info and filtered out locks on system tablesCREATEVIEWactive_locksASSELECTclock_timestamp(),pg_class.relname,pg_locks.locktype,pg_locks.database,pg_locks.relation,pg_locks.page,pg_locks.tuple,pg_locks.virtualtransaction,pg_locks.pid,pg_locks.mode,pg_locks.g...
typmodin,typmodout:对于变长的数据的输入、输出,这里主要是指vachar、time、timestamp等。这个字段和系统表pg_attribute的atttypmod相关联。 typanalyze:自定义的 ANALYZE 函数,如果使用标准函数,则为 0。 typalign:当存储此类型的数值时要求的对齐性质。它应用于磁盘存储以及该值在 PostgreSQL 内部的大多数形式。
Output: current_time --- 21:02:13.648512-05 (1 row) Note that both CURRENT_TIMESTAMP and CURRENT_TIME return the current time with the time zone. To get the time of day in the string format, you use the timeofday() function. SELECT TIMEOFDAY(); timeofday --- Wed Jan 31 21:02:20....
TIMESTAMP:存储日期,时间和时区信息,秒值精确到小数点后6位(方便差值的计算) RAW: 用于存储2进制的数据 最多可存储2000字节 LONG RAW:用于存储可变长度的二进制数据 LONG RAW:数据类型最多可存储2GB LOB:大对象数据类型,可以存储多达4GB的非结构化信息,例如声音剪辑和 视频文件 ...
prepare_time | timestamp with time zone | | | parameter_types | regtype[] | | | from_sql | boolean | | | plan_cache_mode参数可以影响prepare语句选择生成执行计划的策略 auto表示按照默认的方式选择custom plan或者generic plan force_generic_plan表示强制走generic ...
# URI format # postgres://[datakit[:PASSWORD]]@localhost[/dbname]?sslmode=[disable|verify-ca|verify-full] # or simple string # host=localhost user=pqgotest password=... sslmode=... dbname=app_production address = "postgres://datakit:PASSWORD@localhost?sslmode=disable" ...
# URI format # postgres://[datakit[:PASSWORD]]@localhost[/dbname]?sslmode=[disable|verify-ca|verify-full] # or simple string # host=localhost user=pqgotest password=... sslmode=... dbname=app_production address = "postgres://datakit:PASSWORD@localhost?sslmode=disable" ...
(clock_timestamp() - pg_stat_activity.query_start) desc; 输出结果格式如下: 附录四:查询所有已经获取锁的SQL SELECT pid, state, usename, query, query_start from pg_stat_activity where pid in ( select pid from pg_locks l join pg_class t on l.relation = t.oid ...