I am trying to dissolve a shapefile using ogr2ogr but I am getting error no such function: ST_union:
Command:
C:\ms4w>ogr2ogr "C:\output\test-dissolved.sh p" "C:\input\test.shp" -dialect sqlite -sql "SELECT ST_union(geometry) FROM test "
Error:
ERROR 1: In ExecuteSQL(): sqlite3_prepare(SELECT ST_union(geometry) FROM test ): no such function: ST_union
ogrinfo -dialect sqlite -sql "select spatialite_version() from test"
test.shp. – user30184 Aug 1 '16 at 11:33