locate function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns the position of the first occurrence of substr in str after position pos.
This function is a synonym for position function.
Syntax
locate(substr, str [, pos] )
Arguments
- subtr: A- STRINGexpression.
- str: A- STRINGexpression.
- pos: An optional- INTEGERexpression.
Returns
An INTEGER.
The specified pos and return value are 1-based.
If pos is omitted substr is searched from the beginning of str.
If pos is less than 1 the result is 0.
Examples
SQL
> SELECT locate('bar', 'abcbarbar');
 4
> SELECT locate('bar', 'abcbarbar', 5);
 7
> SELECT locate('BAR' COLLATE UTF8_BINARY, 'abcbarbar');
 0
> SELECT locate('BAR' COLLATE UTF8_LCASE, 'abcbarbar');
 4