[CARBONDATA-3713] update SDK doc about sort columns
Why is this PR needed?
sort columns API information is wrong in SDK and CSDK
What changes were proposed in this PR?
update the correct information
This closes #3758
diff --git a/docs/csdk-guide.md b/docs/csdk-guide.md
index ef3f252..8467619 100644
--- a/docs/csdk-guide.md
+++ b/docs/csdk-guide.md
@@ -201,8 +201,7 @@
*
* @param argc argc argument counter, the number of projection column
* @param argv argv is a string array of columns that needs to be sorted.
- * If it is null or by default all dimensions are selected for sorting
- * If it is empty array, no columns are sorted
+ * If it is null or empty array, no columns are selected for sorting.
*/
void sortBy(int argc, char *argv[]);
```
diff --git a/docs/sdk-guide.md b/docs/sdk-guide.md
index a912a07..8949fd0 100644
--- a/docs/sdk-guide.md
+++ b/docs/sdk-guide.md
@@ -316,8 +316,7 @@
* Sets the list of columns that needs to be in sorted order
*
* @param sortColumns is a string array of columns that needs to be sorted.
- * If it is null or by default all dimensions are selected for sorting
- * If it is empty array, no columns are sorted
+ * If it is null or empty array, no columns are selected for sorting.
* @return updated CarbonWriterBuilder
*/
public CarbonWriterBuilder sortBy(String[] sortColumns);
