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Enterprise Postgres 16 Operation Guide

11.1.4 Data that can Use VCI

This section describes on which relation types and for which data types VCIs can be created.

11.1.4.1 Relation Types

VCIs cannot be created on some relation types.

The ON clause of CREATE INDEX described in "11.1.3.3 Creating a VCI" cannot specify relations on which VCIs cannot be created.

11.1.4.2 Data Types

VCIs cannot be created for some data types.

The column specification of CREATE INDEX described in "11.1.3.3 Creating a VCI" cannot specify a column with data type on which VCIs cannot be created.

Category

Data type

Supported by VCI?

Numeric

smallint

Y

integer

Y

bigint

Y

decimal

Y

numeric

Y

real

Y

double precision

Y

serial

Y

bigserial

Y

Monetary

money

Y

Character

varchar(n)

Y

char(n)

Y

nchar

Y

nvarchar(n)

Y

text

Y

Binary

bytea

Y

Date/time

timestamp

Y

timestamp with time zone

Y

date

Y

time

Y

time with time zone

Y

interval

Y

Boolean

boolean

Y

Geometric

point

N

line

N

lseg

N

box

N

path

N

polygon

N

circle

N

Network address

cidr

N

inet

N

macaddr

N

macaddr8

N

Bit string

bit(n)

Y

bit varying(n)

Y

Text search

tsvector

N

tsquery

N

UUID

uuid

Y

XML

xml

N

JSON

json

N

jsonb

N

Range

int4range

N

int8range

N

numrange

N

tsrange

N

tstzrange

N

daterange

N

Object identifier

oid

N

regproc

N

regprocedure

N

regoper

N

regoperator

N

regclass

N

regtype

N

regconfig

N

regdictionary

N

pg_lsn type

pg_lsn

N

Array type

-

N

User-defined type

(Basic type, enumerated type, composite type, and range type)

-

N