text: -- @testpoint: lseg类型，使用[(x1,y1),(x2,y2)]方式插入较大坐标值
  
  drop table if exists test_lseg04;
  create table test_lseg04 (name lseg);
  insert into test_lseg04 values (lseg '[(99999999999999999999999999999,99999999999999999999999999999999),(99999999999999999999999999999,99999999999999999999999999999999)]');
  insert into test_lseg04 values (lseg '[(0,0),(99999999999999999999999999999,99999999999999999999999999999999)]');
  select * from test_lseg04;
  drop table test_lseg04;