PostgreSQL 9.1.24 Documentation
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# VAR

## Name

VAR -- define a variable

## Synopsis

    VAR varname IS ctype

## Description

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

## Parameters

`varname`

  A C variable name.

`ctype`

  A C type specification.

## Examples

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

## Compatibility

The `VAR` command is a PostgreSQL extension.

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