PERIOD_INTERSECT_UDF

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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:

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

Output:

SELECT
	PUBLIC.PERIOD_INTERSECT_UDF(ARRAY_CONSTRUCT(PUBLIC.PERIOD_UDF(DATE '2009-01-01', DATE '2010-09-24') /*** MSC-WARNING - MSCEWI1020 - CUSTOM UDF 'PERIOD_UDF' INSERTED. ***/ /*** MSC-WARNING - MSCEWI2053 - 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') /*** MSC-WARNING - MSCEWI1020 - CUSTOM UDF 'PERIOD_UDF' INSERTED. ***/ /*** MSC-WARNING - MSCEWI2053 - SNOWFLAKE DOES NOT SUPPORT THE PERIOD DATATYPE, ALL PERIODS ARE HANDLED AS VARCHAR INSTEAD ***/)) /*** MSC-WARNING - MSCEWI1020 - CUSTOM UDF 'PERIOD_INTERSECT_UDF' INSERTED. ***/ /*** MSC-WARNING - MSCEWI2053 - SNOWFLAKE DOES NOT SUPPORT THE PERIOD DATATYPE, ALL PERIODS ARE HANDLED AS VARCHAR INSTEAD ***/;