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

PostGIS trac at osgeo.org
Fri Feb 3 10:44:32 PST 2012

#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):

 I don't believe there is any caching of results, regardless of using
 prepared statements.  Prepared statements cache the execution plan.

 The low-hanging fruit for one-raster expression-based mapalgebra is the
 use of prepared statements.

Ticket URL: <http://trac.osgeo.org/postgis/ticket/1522#comment:5>
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