[postgis-devel] [PostGIS] #1522: [RASTER] ST_MapAlgebraExpr : use prepared queries

[PostGIS]

#1522: [RASTER] ST_MapAlgebraExpr : use prepared queries
-------------------------+--------------------------------------------------
 Reporter:  strk         |       Owner:  dzwarg       
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.0.0
Component:  raster       |     Version:  trunk        
 Keywords:               |  
-------------------------+--------------------------------------------------

Comment(by dustymugs):

 Take a look at the 2-raster MapAlgebra's use of SPI_Prepare.  By preparing
 the plan, saving it and reusing it, the creation of the plan only happens
 once instead of every call to SPI_Execute.

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1522#comment:7>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.