PostgreSQL 9.4.1 Documentation
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VAR

Name

VAR -- define a variable

VARvarname ISctype

TheVAR 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;

TheVAR command is a PostgreSQL extension.

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