July 30, 2023

tOracleOutputBulkExec – Docs for ESB 7.x

tOracleOutputBulkExec

Executes the Insert action in the specified Oracle database.

As a dedicated component, it allows gains in performance during Insert operations to an
Oracle database.

The tOracleOutputBulk and tOracleBulkExec components are used together in a two
step process. In the first step, an output file is generated. In the second step, this
file is used in the INSERT operation used to feed a database. These two steps are fused
together in the tOracleOutputBulkExec
component.

tOracleOutputBulkExec Standard properties

These properties are used to configure tOracleOutputBulkExec running in the Standard Job framework.

The Standard
tOracleOutputBulkExec component belongs to the Databases family.

The component in this framework is available in all Talend
products
.

Note: This component is a specific version of a dynamic database
connector. The properties related to database settings vary depending on your database
type selection. For more information about dynamic database connectors, see Dynamic database components.

Basic settings

Database

Select a type of database from the list and click
Apply.

Property type

Either Built-in or Repository
.

 

Built-in: No property data stored
centrally.

 

Repository: Select the repository
file in which the properties are stored. The fields that follow are
completed automatically using the data retrieved.

Use an existing connection

Select this check box and in the Component List click the relevant connection component to
reuse the connection details you already defined.

Note: When a Job contains the parent Job and the child Job, if you
need to share an existing connection between the two levels, for example, to share the
connection created by the parent Job with the child Job, you have to:

  1. In the parent level, register the database connection
    to be shared in the Basic
    settings
    view of the connection component which creates that very database
    connection.

  2. In the child level, use a dedicated connection
    component to read that registered database connection.

For an example about how to share a database connection
across Job levels, see

Talend Studio
User Guide
.

Connection type

Drop-down list of available drivers:

Oracle OCI: Select this connection type
to use Oracle Call Interface with a set of C-language software APIs that
provide an interface to the Oracle database.

Oracle Service Name: Select this
connection type to use the TNS alias that you give when you connect to
the remote database.

Oracle SID: Select this connection type
to uniquely identify a particular database on a system.

Oracle Custom: Select this connection
type to access a clustered database.

DB Version

Select the Oracle version in use

Host

Database server IP address.

Currently, only localhost,
127.0.0.1 or the exact IP address
of the local machine is allowed for proper functioning. In other words,
the database server must be installed on the same machine where the
Studio is installed or where the Job using tOracleOutputBulkExec is deployed.

Port

Listening port number of DB server.

Database

Name of the database

Schema

Name of the schema.

Username and Password

DB user authentication data.

To enter the password, click the […] button next to the
password field, and then in the pop-up dialog box enter the password between double quotes
and click OK to save the settings.

Table

Name of the table to be written. Note that only one table can be
written at a time and that the table must exist for the insert operation
to succeed.

Action on table

On the table defined, you can perform one of the following
operations:

None: No operations is carried
out.

Drop and create table: The table is
removed and created again.

Create table: The table does not exist
and gets created.

Create table if not exists: The table
is created if does not exist.

Drop table if exists and create: The
table is removed if it already exists and created again.

Clear table: The table content is
deleted.

Truncate table: The table content is
deleted. You do not have the possibility to rollback the
operation.

File Name

Name of the file to be generated and loaded.

Warning:

This file is generated on the machine specified by the URI in the
Host field so it should be on
the same machine as the database server.

Create directory if not exists

This check box is selected by default. It creates a directory to hold
the output table if required.

Append

Select this check box to add the new rows at the end of the
file.

Action on data

On the data of the table defined, you can perform:

Insert: Insert data to an empty table.
If the table already contains data, the Job stops and the existing data
remains in the table.

Update: Update the existing data. You
have to set the key on the schema if this option is selected.

Append: Append data to the table, whether
the table is empty or not.

Replace: if the table already contains
data, delete all the existing data and insert the new data. If the table is empty,
insert the new data.

Truncate: If the table already contains
data, truncate all the existing data and insert the new data. If the
table is empty, insert the new data.

Schema and Edit
Schema

A schema is a row description, it defines the number of fields to be
processed and passed on to the next component. The schema is either
Built-in or stored remotely in the
Repository.

Click Edit
schema
to make changes to the schema. If the current schema is of the Repository type, three options are available:

  • View schema: choose this
    option to view the schema only.

  • Change to built-in property:
    choose this option to change the schema to Built-in for local changes.

  • Update repository connection:
    choose this option to change the schema stored in the repository and decide whether
    to propagate the changes to all the Jobs upon completion. If you just want to
    propagate the changes to the current Job, you can select No upon completion and choose this schema metadata
    again in the Repository Content
    window.

 

Built-In: You create and store the schema locally for this component
only.

 

Repository: You have already created the schema and stored it in the
Repository. You can reuse it in various projects and Job designs.

When the schema to be reused has default values that are
integers or functions, ensure that these default values are not enclosed within
quotation marks. If they are, you must remove the quotation marks manually.

You can find more details about how to
verify default values in retrieved schema in Talend Help Center (https://help.talend.com).

Field separator

Character, string or regular expression to separate fields.

Advanced settings

Advanced separator (for number)

Select this check box to change data separators for numbers:

Thousands separator: define separators
you want to use for thousands.

Decimal separator: define separators
you want to use for decimals.

Use existing control file

Select this check box and browse to the .ctl control file you want to
use.

Field separator

Character, string or regular expression to separate fields.

Row separator

String (ex: ”
“on Unix) to separate rows.

Specify .ctl file’s INTO TABLE clause manually

Select this check box to enter manually the INTO TABLE clause of the
control file directly into the code.

Use schema’s Date Pattern to load Date field

Select this check box to use the date model indicated in the schema
for dates.

Specify field condition

Select this check box to define a condition for loading data.

Preserve blanks

Select this check box to preserve blank spaces.

Trailing null columns

Select this check box to load data with all empty columns.

Load options

Click + to add data loading
options:

Parameter: select a loading parameter
from the list.

Value: enter a value for the parameter
selected.

NLS Language

From the drop-down list, select the language for your data if the data
is not in Unicode.

Set Parameter NLS_TERRITORY

Select this check box to modify the conventions used for date and time
formats. The default value is that of the operating system.

Encoding

Select the encoding from the list or select Custom and define it manually. This field is compulsory
for DB data handling.

Oracle encoding type

Select the Oracle-specific encoding type for the data to be processed.
This encoding type allows tOracleOutputBulkExec to properly generate the Sybase
Bulk command.

Output

Select the type of output for the standard output of the Oracle
database:

to console,

to global variable.

Convert columns and table names to uppercase

Select this check box to put columns and table names in upper case.

Bulk file parameters

Set the parameters Buffer Size and
StringBuilder Size for a
performance gain according to the memory size.

tStatCatcher Statistics

Select this check box to gather the job processing metadata at a job
level as well as at each component level.

Usage

Usage rule

This component is mainly used when no particular transformation is
required on the data to be loaded onto the database.

Dynamic settings

Click the [+] button to add a row in the table
and fill the Code field with a context
variable to choose your database connection dynamically from multiple
connections planned in your Job. This feature is useful when you need to
access database tables having the same data structure but in different
databases, especially when you are working in an environment where you
cannot change your Job settings, for example, when your Job has to be
deployed and executed independent of Talend Studio.

The Dynamic settings table is
available only when the Use an existing
connection
check box is selected in the Basic settings view. Once a dynamic parameter is
defined, the Component List box in the
Basic settings view becomes unusable.

For examples on using dynamic parameters, see Reading data from databases through context-based dynamic connections and Reading data from different MySQL databases using dynamically loaded connection parameters. For more information on Dynamic
settings
and context variables, see Talend Studio
User Guide.

Limitation

The database server/client must be installed on the same machine where
the Studio is installed or where the Job using tOracleOutputBulkExec is deployed, so that the component
functions properly.

Related scenarios


Document get from Talend https://help.talend.com
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