PostgreSQL 13 Documentation

Documentation → PostgreSQL 13

Supported versions: Current (18) / 17 / 16 / 15 / 14

Development versions: 19 / devel

Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1

Historical version. PostgreSQL 13 reached end of support in November 2025. See the current version for supported releases.

VAR
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VAR

VAR — define a variable

VAR varname IS ctype

The VAR command assigns a new C data type to a host variable. The host variable must be previously declared in a declare section.

Exec sql begin declare section;
short a;
exec sql end declare section;
EXEC SQL VAR a IS int;

The VAR command is a PostgreSQL extension.

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Read the upstream documentation. For corrections, first check the current version.