You might want to add indices on the columns STATUS, HANDLED_TIMESTAMP and RECEIPT_TIMESTAMP
Am 31.03.2014, 13:26 Uhr, schrieb Harriv <[email protected]>: > Hi, > > 3rd party application is doing following query: > > SELECT > * > FROM > V_MY_VIEW > WHERE > V_MY_VIEW.HANDLED_TIMESTAMP IS NOT NULL AND > V_MY_VIEW.RECEIPT_TIMESTAMP IS NULL > > V_MY_VIEW is simple view with: > > SELECT > * > FROM > MY_TABLE > WHERE > STATUS > 0 > . > > This query doesn't return many rows (if any), but it takes a long time to > run. Is there a way to optimize this? > > I'm running Firebird 2.5.2 ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Visit http://www.firebirdsql.org and click the Resources item on the main (top) menu. Try Knowledgebase and FAQ links ! Also search the knowledgebases at http://www.ibphoenix.com ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/firebird-support/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/firebird-support/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/
