Hi all,
I use postgis as my spatial database, and the table contains many columns,
then when I get the features may lead more overhead of database operation
and network communication. But not every columns is really needed for my
each operation. So I want to know, could I choose some columns by Filter or
CQL when I getting features? It seems that there are no these type of
Filter or CQL syntax, then could I have any other solutions?
Thanks in advance.
--
Zheng Xudong
State Key Laboratory of Software Development Environment
School of Computer Science and Engineer, BeiHang University
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