PERIOD_INTERSECT_UDF

Definition

User-defined function (UDF) that reproduces the P_INTERSECT operator to compare two or more period expressions and return the overlapping portion of the period expressions.

More information about the source function here.

PERIOD_INTERSECT_UDF(PERIODS ARRAY)

Parameters

PERIODS ARRAY

All the period expressions to be compared.

Returns

The overlapped portion of the period expressions.

Migration example

Input:

IN -> Teradata_01.sql

SELECT 
	PERIOD(DATE '2009-01-01', DATE '2010-09-24') 
	P_INTERSECT 
	PERIOD(DATE '2009-02-01', DATE '2009-06-24');

Output:

OUT -> Teradata_01.sql

SELECT
	PUBLIC.PERIOD_INTERSECT_UDF(ARRAY_CONSTRUCT(PUBLIC.PERIOD_UDF(DATE '2009-01-01', DATE '2010-09-24') !!!RESOLVE EWI!!! /*** SSC-EWI-TD0053 - SNOWFLAKE DOES NOT SUPPORT THE PERIOD DATATYPE, ALL PERIODS ARE HANDLED AS VARCHAR INSTEAD ***/!!!, PUBLIC.PERIOD_UDF(DATE '2009-02-01', DATE '2009-06-24') !!!RESOLVE EWI!!! /*** SSC-EWI-TD0053 - SNOWFLAKE DOES NOT SUPPORT THE PERIOD DATATYPE, ALL PERIODS ARE HANDLED AS VARCHAR INSTEAD ***/!!!)) !!!RESOLVE EWI!!! /*** SSC-EWI-TD0053 - SNOWFLAKE DOES NOT SUPPORT THE PERIOD DATATYPE, ALL PERIODS ARE HANDLED AS VARCHAR INSTEAD ***/!!!;