gsql_substring()
Returns the substring of a string beginning at a specified index. Optionally, you can specify a length for the substring.
Parameters
- str
-
Required. The string from which to obtain substring.
- begin_index
-
Required. The index of the first character to include in the returned substring.
- length
-
Optional. The length of the substring. If the parameter is not specified, the substring goes from the beginning index to the end of the original string.