SUBSTR_UDF (STRING, FLOAT)

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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);

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