pyflink.table.expression.Expression.substring#
- Expression.substring(begin_index: Union[int, pyflink.table.expression.Expression[int]], length: Optional[Union[int, pyflink.table.expression.Expression[int]]] = None) pyflink.table.expression.Expression[str] [source]#
Creates a substring of the given string at given index for a given length.
- Parameters
begin_index – first character of the substring (starting at 1, inclusive)
length – number of characters of the substring
See also
trim_leading()
,trim_trailing()
,trim()
,replace()
,char_length
,upper_case
,lower_case
,init_cap
,like()
,similar()
,position()
,lpad()
,rpad()
,overlay()
,regexp_replace()
,regexp_extract()
,substring()
,from_base64
,to_base64
,ltrim()
,rtrim()
,repeat()
,json_quote()
,json_unquote()
New in version 1.12.0.