Sidebar

HPL/SQL is included to Apache Hive since version 2.0

host

Execute OS Command or External Process

PL/HQL allows you to execute an OS command or external process from a PL/HQL script:

Syntax:

! command:

!cmd [arguments];

HOST statement:

HOST string_expr

Parameters:

Parameter Description
cmd Any OS command or process
arguments Optional argument list
string_expr Command line for HOST statement

Notes:

  • Blank characters are allowed between ! and cmd
  • The ! command must be terminated by a semicolon (;)

Example:

Using ! command:

!echo Hello, world;

Using HOST statement:

HOST 'echo Hello, world';

Compatibility: Apache Hive (! command), Oracle (HOST statement).

Version: PL/HQL 0.01