PostgreSQL.I中有一個表'TICKETS'使用Pentaho執行ETL作業來填充此表。 還有一個用戶進行更改的GUI,結果反映在此表中。 在表中的字段有:使用Pentaho插入更新/合併/維度查找/更新
"OID" Char(36) <------ **PRIMARY KEY**
, "CUSTOMER" VARCHAR(255)
, "TICKETID" VARCHAR(255)
, "PRIO_ORIG" CHAR(36)
, "PRIO_COR" CHAR(36)
, "CATEGORY" VARCHAR(255)
, "OPENDATE_ORIG" TIMESTAMP
, "OPENDATE_COR" TIMESTAMP
, "TTA_ORIG" TIMESTAMP
, "TTA_COR" TIMESTAMP
, "TTA_DUR" DOUBLE PRECISION
, "MTTA_TARGET" DOUBLE PRECISION
, "TTA_REL_ORIG" BOOLEAN
, "TTA_REL_COR" BOOLEAN
, "TTA_DISCOUNT_COR" DOUBLE PRECISION
, "TTA_CHARGE_COR" DOUBLE PRECISION
, "TTR_ORIG" TIMESTAMP
, "TTR_COR" TIMESTAMP
, "TTR_DUR" DOUBLE PRECISION
, "MTTR_TARGET" DOUBLE PRECISION
, "TTR_REL_ORIG" BOOLEAN
, "TTR_REL_COR" BOOLEAN
, "TTR_DISCOUNT_COR" DOUBLE PRECISION
, "TTR_CHARGE_COR" DOUBLE PRECISION
, "COMMENT" VARCHAR(500)
, "USER" CHAR(36)
, "MODIFY_DATE" TIMESTAMP
, "CORRECTED" BOOLEAN
, "OPTIMISTICLOCKFIELD" INTEGER
, "GCRECORD" INTEGER
, "ORIGINATOR" Char(36)
我想更新表時,列TICKETID + ORIGINATOR +客戶是一樣的。否則,將執行插入操作。
我該如何使用Pentaho?步驟維度/查找更新是否正確,或者更新/插入步驟是否可以完成這項工作?
任何幫助將不勝感激。提前致謝。
TICKETID + ORIGINATOR + CUSTOMERS列上是否有唯一索引?然後你可以使用INSERT ... ON CONFLICT DO UPDATE SET column = EXCLUDED.column;'https://www.postgresql.org/docs/9.5/static/sql-insert.html –