On Thursday 28 October 2004 11:16 am, Gary Stainburn wrote: > Hi folks. > > I have the following view: > > CREATE VIEW "stock_available" as > SELECT * FROM stock_details > WHERE available = true AND visible = true AND > location not in (SELECT descr FROM ignored); > > Stock_details is itself a view pulling in a number of tables. > Everything works fine until I try to pull in only the details for a > specific branch, using the following. > > select * from stock_available where branch = 'Leeds'; > or > select * from stock_available where branch = 'Doncaster'; > > At this point, the query takes 11 seconds. Any other quiery, > including [snip]
Once thing I forgot to mention. If I run the above on the base view stock_details, it returns in < 1 second too. -- Gary Stainburn This email does not contain private or confidential material as it may be snooped on by interested government parties for unknown and undisclosed purposes - Regulation of Investigatory Powers Act, 2000 ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match