zclllyybb commented on code in PR #2416:
URL: https://github.com/apache/doris-website/pull/2416#discussion_r2107637880
##########
i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-functions/scalar-functions/spatial-functions/st-geometryfromtext.md:
##########
@@ -59,4 +92,95 @@ SELECT ST_AsText(ST_GeometryFromText("LINESTRING (1 1, 2
2)"));
+---------------------------------------------------------+
| LINESTRING (1 1, 2 2) |
+---------------------------------------------------------+
+```
+
+```sql
+-- LINESTRING 不合法样例(端点过少)
+SELECT ST_AsText(ST_GeometryFromText("LINESTRING (1 1)"));
+```
+
+```text
++----------------------------------------------------+
+| ST_AsText(ST_GeometryFromText("LINESTRING (1 1)")) |
++----------------------------------------------------+
+| NULL |
++----------------------------------------------------+
+```
+
+```sql
+-- POLYGON 样例
+SELECT ST_AsText(ST_GeometryFromText("POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))"));
+```
+
+``` text
++-----------------------------------------------------------------------+
+| ST_AsText(ST_GeometryFromText("POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0))")) |
++-----------------------------------------------------------------------+
+| POLYGON ((0 0, 1 0, 1 1, 0 1, 0 0)) |
++-----------------------------------------------------------------------+
+```
+
+```sql
+-- POLYGON 不合法样例(收尾不闭合)
Review Comment:
typo. 首尾
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