Package Exports

jsharmony-db-iseries
jsharmony-db-iseries/index.js

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Readme

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jsharmony-db-iseries

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jsHarmony Database Connector for DB2/AS400/iSeries via ODBC

Installation

npm install jsharmony-db-iseries --save

Usage

var JSHiseries = require('jsharmony-db-iseries');
var JSHdb = require('jsharmony-db');
var dbconfig = { _driver: new JSHiseries(), connectionString: "DSN=ODBC;Uid=DBUSER;pwd=DBPASS" };
var db = new JSHdb(dbconfig);
db.Recordset('','select * from C where C_ID >= @C_ID',[JSHdb.types.BigInt],{'C_ID': 10},function(err,rslt){
  console.log(rslt);
  done();
});

Note that iseries is by default UPPERCASE; literal selects will need to use explicit aliases to get lowercase result fields c_id as "c_id".

This library uses the NPM odbc library. Use any of the connection settings available in that library.

Database specific options

Connection options

{
  _driver: ...,
  connectionString: "...",
  options: {
    metadata_filter: [],
    automatic_compound_commands: true,
    idle_timeout: 1800000,
  }
}

metadata_filter

Default: []   // No metadata will be loaded by default

Array of strings to limit database schema introspection on application startup. Currently three formats are supported:

"SCHEMA.TABLE" - Individually specified tables
"SCHEMA.%" - All tables within SCHEMA
"%.%" - All schemas, all tables

automatic_compound_commands

Default: true

If enabled, the driver will automatically wrap db.Command statements in a BEGIN...END compound statement to save network roundtrips; otherwise statements must be executed individually.

idle_timeout

Default: 1800000 (30 minutes)

Close idle database connection, to minimize chance of network errors when resuming activity. The value false will disable the feature.

Debug Parameters

config.debug_params.db_perf_reporting = true;

Enable additional performance logging around the lower level odbc package api calls.

Missing Features

Database objects (DB.sql.object) interface is not implemented at this time.

References

IBM iseries SQL Reference Node ODBC driver

Article on Encoding (CCSID) iseries SQL general overview