【标题描述】:
【测试类型：SQL功能/存储功能/接口功能/工具功能/性能/并发/压力长稳/故障注入/安全/资料/编码规范】【测试版本：2.0.0】 问题描述

【操作系统和硬件信息】(查询命令: cat /etc/system-release, uname -a):

【测试环境】(单机/1主x备x级联备):

【被测功能】:

【测试类型】:

【数据库版本】(查询命令: gaussdb -V):

【预置条件】:

【操作步骤】(请填写详细的操作步骤):

1. CREATE EXTENSION postgis;
   CREATE EXTENSION postgis_raster;
   CREATE EXTENSION yukon_geomodel;
   CREATE EXTENSION yukon_geogridcoder;
   CREATE EXTENSION postgis_sfcgal;
   select yukon_version();
2. CREATE TABLE test_mesh (id serial, geog model_elem(mesh));
   CREATE TABLE test_surface (id serial, geog model_elem(surface));
   INSERT INTO test_mesh VALUEs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
   INSERT INTO test_mesh VALUEs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

【预期输出】:

【实际输出】:段错误

【原因分析】:

1. 这个问题的根因
2. 问题推断过程
3. 还有哪些原因可能造成类似现象
4. 该问题是否有临时规避措施
5. 问题解决方案
6. 预计修复问题时间

【日志信息】(请附上日志文件、截图、coredump信息):

【测试代码】: