{#ifdefined(__x86_64__)newOOMTime =GetCurrentTimestamp();#elsestructtimevalcurTime;gettimeofday(&curTime,NULL); newOOMTime = (uint32)curTime.tv_sec;#endifOOMTimeType oldOOMTime = *time_var;#ifdefined(__x86_64__)updateCompleted = compare_and_swap_64((uint64*)time_var, (uint64)oldOOM...
PostgreSQL provides built-in functions for getting the current DateTime with the time zone, such as NOW() and CURRENT_TIMESTAMP. The NOW() function doesn’t accept any argument; however, the CURRENT_TIMESTAMP function can accept an optional argument named “precision”. Both these functions re...
In Postgres, the CURRENT_TIMESTAMP function returns the current DateTime. However, passing EPOCH and the CURRENT_TIMESTAMP as arguments to the EXTRACT() function will retrieve the current DateTime as Unix Timestamp: SELECTCURRENT_TIMESTAMP,EXTRACT(EPOCHFROMCURRENT_TIMESTAMP)AsUnix_timestamp; Alternati...
packagecom.mkyong.app;importjava.sql.Timestamp;importjava.time.Instant;publicclassInstantExample{publicstaticvoidmain(String[] args){Timestamptimestamp=newTimestamp(System.currentTimeMillis()); System.out.println(timestamp);// 2021-03-24 17:12:03.311System.out.println(timestamp.getTime());// 16...
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SELECTVALUE{currentTimestamp: GetCurrentTimestamp()} JSON [ {"currentTimestamp":1556916469065} ] 注解 此函数为非确定性函数。 返回的结果采用 UTC(协调世界时)格式。 此函数不使用索引。 如果需要将值与当前时间进行比较,请在执行查询之前获取当前时间,并在WHERE子句中使用该常量字符串值。
GetCurrentTimestamp GetCurrentTimestampStatic TicksToDateTime TimestampToDateTime funzioni Item Funzioni matematiche Funzioni spaziali Funzioni di stringa Funzioni di controllo del tipo Dati geospaziali Data/Ora Query con parametri Impaginazione LINQ to NoSQL Viste materializzate (anteprima) Indicizzare ...
PostgreSQL string RedisCache string SQLAzure string SQLServer string ServiceBus string ConnStringInfo Database connection string information. Expand table NameTypeDescription connectionString string Connection string value. name string Name of connection string. type ConnectionStringType Type of da...
TimestampTzwhenTaken;/* timestamp when snapshot was taken */ XLogRecPtrlsn;/* position in the WAL stream when taken */ }SnapshotData; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. ...
PostgreSQL Power BI Embedded Power BI Workspace Collections Purview Quota Recovery Services Recovery Services - Backup Recovery Services - Site Recovery Red Hat OpenShift Redis Cache Relay Reserved VM Instances Resource Health Resource Management Resource Mover Search Management Search Service Secret Sync Con...