That's what always use with oracle driver. 

Sent from my iPhone

> On Feb 8, 2017, at 7:01 PM, Hemant Bist <[email protected]> wrote:
> 
> Hi,
> Is it correct to pass dummy tables that don't exist in database to ogr2ogr  
> command. It seems to work, but I am not sure it will work going forward(I am 
> currently using 1.9 most
> of the work and 2.0 for some of the new code).
> eg. I passed tables=tablename_that_does_not_exis   (a dummy table name that 
> does not exist) to following command. Note that I did not pass my_osm_data at 
> all to tables parameter. Is that correct?
> 
> ogr2ogr -s_srs EPSG:4326 -t_srs EPSG:4326 -f "ESRI Shapefile" '/tmp/ab.shp' 
> PG:"dbname=mydbname tables=tablename_that_does_not_exist" -sql " select * 
> from my_osm_data limit 1"
> 
> 
> The reason I need to pass tables parameter is that without this the ogr2ogr 
> is very slow. The db has large number of tables with geomtery columns and it 
> seems to effectively query all geometry columns during startup. (And passing 
> the actual set of  tables used would require me to understand all the sqls).
> 
> Thanks,
> Hemant.
> 
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