↑↓ select ↵ open ⌫ change scope Open full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

Wiki / Operators / Numeric

^(float8,float8)

exponentiation

Reading PostgreSQL 18.6.

Description

exponentiation

Left operand
float8
Right operand
float8
Result type
float8
Implementing function
dpow(float8,float8)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no

Usage

^(float8,float8) → float8

English manual definition

Exponentiation

2 ^ 3 → 8

Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:

2 ^ 3 ^ 3 → 512

2 ^ (3 ^ 3) → 134217728

Catalog interpretation

The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.

Related entries

Documentation and source

Source build
Version
18.6
Build
https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
Source fingerprint
555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Compare versions

PostgreSQL 17 → 18: unchanged.

Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.

Related entries

Export JSON · Back to Operators · Recorded in PostgreSQL 10 through 20; the first sample is not necessarily its introduction.