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oracle-gopher

v0.1.2

Published

Boilerplate Node.js middleware that facilitates connections and transactions with Oracle databases.

Downloads

25

Readme

oracle-gopher

Boilerplate Node.js middleware that facilitates connections and transactions with Oracle databases.

Requirements

  • Connects Node.js 0.10, Node.js 0.12
  • Oracle Instant Client

Setup

A) Oracle Instant Client Download

  1. Download the following TWO Oracle Instant Client Packages (here: http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html ). Please make sure to download the correct packages for your system architecture (i.e. 64 bit vs 32 bit)

    • Instant Client Package - Basic or Basic Lite: Contains files required to run OCI, OCCI, and JDBC-OCI applications

    • Instant Client Package - SDK: Contains additional header files and an example makefile for developing Oracle applications with Instant Client

B) Oracle Instant Client Installation and Configuration (this example procedure is for Mac OS X 64bit ONLY)

From a terminal window:

  1. Unzip files:
unzip instantclient-basic-macos.x64-11.2.0.4.0.zip -d /oracle
unzip instantclient-sdk-macos.x64-11.2.0.3.0.zip -d /oracle
  1. Update your .bashrc file by appending and saving the following block of code:
##### Oracle Instant Client 11.2 #####
OCI_HOME=/oracle/instantclient_11_2
OCI_LIB_DIR=$OCI_HOME
OCI_INC_DIR=$OCI_HOME/sdk/include
OCI_INCLUDE_DIR=$OCI_HOME/sdk/include
OCI_VERSION=11
DYLD_LIBRARY_PATH=$OCI_LIB_DIR
  1. Create the following symbolic links from within your Instant Client directory (e.g. /oracle/instantclient_11_2):
cd /oracle/instantclient_11_2
ln -s libclntsh.dylib.11.1 libclntsh.dylib
ln -s libocci.dylib.11.1 libocci.dylib
  1. Restart your Terminal application

C) oracle-gopher Installation

 npm install oracle-gopher

Usage

A) Example

var Gopher = require('oracle-gopher');
var tunnel = {
        user             : "USERNAME",   //mandatory
        password         : "PASSWORD",   //mandatory
        connectString    : "HOST:PORT/SERVICE"  //mandatory
    };
var gopher = new Gopher(tunnel);

/*-------------------------------Foraging for Data-------------------------------*/

//Set Foraging Instructions via the Garden Object:
var garden = {
        dbStatement     : "SELECT dummy FROM DUAL WHERE dummy = :DummyValue", //mandatory
        outputFormat    : "array", //not mandatory.  will use default if not explicitly set.
        maxRowsReturned : 100, //not mandatory.  will use default if not explicitly set.
        bindVariables   : {"DummyValue" : "X"} //not mandatory.  use in conjunction with dbStatement when bind variables are present.
    };

// Send Gopher on it's way to return with data...
gopher.forage(garden,
    function(err,result){
        if (err) {
            return console.log(err);
        }
        return console.log(result);
    }
);