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Enterprise Postgres 16 SP1 Release Notes

2.2.13 Changing Vertical Clustered Index (VCI)

Incompatibility

The functions below have been added to the functions for which VCI is not used.

Type

Function

Date/time functions

age(timestamp)

current_date

current_timestamp

current_time

localtime

localtimestamp

Session information functions

current_user

current_role

Action method

To use VCI, specify the second argument when using the age function, and specify other functions as subqueries.

[Example]

Before: select age(column A), current_date from table

After: select age(column A, now()), (select current_date) from table