在PostGIS数据库中使用psql，你会得到很多：
> SELECT * FROM blah;
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
26FC5C6240830B7CBCC50A42C094FE21A7F65C6240D47966DFBB0A42C0C612132AF15C6240CA8815B2B60A42C0DB01CFA4EA5C6240FF773FCCB00A42C0E9171D77E75C6240126C4FD5AC0A42C09EF6C98EE35C62408EC0D6A7A70A42C0998DC688E15C6240
93CFF86240776BA837F4C63EC096DBFDF7CEF8624035811033F5C63EC003C63A22CDF8624003807C6CFFC63EC0BC395F63CCF86240B80A346800C73EC07CC6C51EC8F86240E4608A0014C73EC0BBA85A2EC2F8624035E9196F29C73EC0D3A40FBBC1F86240
59ABE36240A742B32031F140C02FBD5672B0E362408C64138917F140C0706C10C2B0E36240AB9E994E15F140C0F9B38052B2E36240497062C90EF140C05D05D35EB4E362408BC1890906F140C092EECBBFB4E362405D2FD14904F140C0A391AE1DB5E36240
...
有没有方便的方法永远不会显示几何列的内容？