SUBSTR_UDF

This is a deprecated version of the SnowConvert documentation, please visit the official site HERE.

This is the user-defined function (UDF) overloaded with two parameters.

Definition

Extracts a substring from a named string based on position.

PUBLIC.SUBSTR_UDF(BASE_EXPRESSION STRING, START_POSITION FLOAT)

Parameters

BASE_EXPRESSION STRING

The expression from which the substring is to be extracted.

START_POSITION FLOAT

The starting position of the substring to extract from.

Returns

The required substring.

Migration example

Input:

SELECT SUBSTRING('Hello World!' FROM -2);

Output:

SELECT
PUBLIC.SUBSTR_UDF('Hello World!', -2) /*** MSC-WARNING - MSCEWI1020 - CUSTOM UDF 'SUBSTR_UDF' INSERTED. ***/;