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 Perl: Example 3 

Example of Calling the Loader with Perl Script

Start a database session,
Log on to the database instance,
Query error code to determine whether table exists
Create a table without querying the error code
Log off

 

# Reference to the Perl Library
# -------------------------------

use SAP::DBTECH::loader;

# Parse the call arguments
# --------------------------

$user_name = $ARGV[0];
$password = $ARGV[1];
$database_name = $ARGV[2];
$data_path = $ARGV[3];
$server_node = "localhost";

# Create a database session for the Loader   
# -------------------------------------------

$session = loader::Loader ($server_node, $database_name);

# Log on to the database instance
# --------------------------------

$session->cmd("use user $user_name $password;");

# Query whether the table exists by querying the error code
# The sql method is used to do this
# -------------------------------------

$rc = $session->sql('EXISTS TABLE CUSTOMER')

If $rc!=0

# Create the table CUSTOMER
# -------------------------

$session->cmd ( 'CREATE TABLE customer ( '.
                    'cno             FIXED(4), '.
                    'name            CHAR(10) ASCII, '.
                    'zip             CHAR(5)  ASCII, '.
                    'city            CHAR(12) ASCII, '.
                    'PRIMARY KEY (cno) ')   

# End the database session
# ----------------------------

undef $session

 

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