TD_NORMALIZE_OVERLAP_MEET | Teradata Vantage - 17.00 - 17.05 - TD_NORMALIZE_OVERLAP_MEET - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
17.05
Release Date
June 2020
Content Type
Programming Reference
Publication ID
B035-1211-170K
Language
English (United States)

Combines the rows whose Period values either meet or overlap so that the resulting normalized row contains the earliest beginning bound and the latest ending bound from the Period values of all the rows involved.

Syntax

[TD_SYSFNLIB.] TD_NORMALIZE_OVERLAP_MEET ( grouping_column_list, period_column )
grouping_column_list
One or more grouping columns, not including the Period column. You must specify the input as a dynamic UDT.
period_column

Any expression that evaluates to a Period data type.

The Period expression must be comparable with the other expression. Implicit casting to a Period data type is not supported.

TD_SYSFNLIB.
Name of the database where the function is located.