[gdal-dev] How to read ElasticSearch filters from file?

[Even Rouault]

Le jeudi 27 août 2015 14:43:39, Even Rouault a écrit :
> Le jeudi 27 août 2015 14:26:00, Jukka Rahkonen a écrit :
> > Hi,
> > 
> > I was trying the new read capabilities of the ElasticSearch driver
> > http://www.gdal.org/drv_elasticsearch.html and I found it extraordinary
> > hard to use the json filters from the command line on Windows. It is hard
> > also with curl so I saved the filters on disk and read them as -d
> > @file.json and that worked well for me.
> > 
> > I tried if I could re-use those proved filters with ogrinfo and ogr2ogr
> > by using --optfile but with poor success.
> > 
> > Could it be possible to add a new --config option or perhaps -oo open
> > option "ES_QUERY" for reading the json query/filter from a file just like
> > curl does with -d @file.json? The same file should work unmodified for
> > both software. I think especially newlines which make the filters more
> > readable and also most  filter examples in the net are formatted with
> > newlines. See the examples at
> > https://www.elastic.co/guide/en/elasticsearch/guide/current/search-in-dep
> > th .html
> 
> Hi Jukka,
> 
> Ah, might be true. The Unix shell allows to paste things like:
> 
> $ ogrinfo es: poly2 -where '{ "filter" :
>   { "term" :
>     {
>        "EAS_ID": 166
>     }
>   }
> }'
> 
> And --optfile indeed will consider stuff on several lines as different
> options.
> 
> What about "ogrinfo ES: the_layer -where @filter.json" ?

FYI, I've just implemented this syntax for -where and -sql in ogrinfo and 
ogr2ogr.

Even

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