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tCosmosDBSQLAPIInput Standard properties

Availability-notesubscription

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

The Standard tCosmosDBSQLAPIInput component belongs to the Databases NoSQL family.

The component in this framework is available in subscription-based Talend products.

Information noteNote: This component is available only if you have installed the R2020-06 Studio Monthly update or a later one delivered by Talend. For more information, check with your administrator.

Basic settings

Property type

Either Built-in or Repository.

  • Built-in: No property data is stored centrally.
  • Repository: Select the repository file in which the properties are stored. The fields that follow are completed automatically using the data retrieved.

Schema and Edit schema

A schema is a row description. It defines the number of fields (columns) to be processed and passed on to the next component. When you create a Spark Job, avoid the reserved word line when naming the fields.

  • 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.

Click Edit schema to make changes to the schema.
Information noteNote: If you make changes, the schema automatically becomes built-in.
  • 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.

Guess schema

Click this button to retrieve the schema from the document.

URI

Enter the URI of your Cosmos user account. As the field prompts, the URI of a Cosmos DB user account is in the format of https://{your_account}.document.azure.com:443. You can obtain the URI on the Keys pane of Azure portal. Click Create an Azure Cosmos DB account for related information.

Primary key

Enter the primary key of your CosmosDB user account. You can obtain the pimary key on the Keys pane of Azure portal. Click Create an Azure Cosmos DB account for related information.

Database ID

Enter the the database name.

Collection ID

Enter the collection name.

Use query

Select this option to retrieve data using query statements. You can enter the query statement in the Query field.

Advanced settings

tStatCatcher Statistics

Select this check box to collect the log data at the component level.

Connection mode

Specify the connection mode to be used. Two options are available: Gateway and DirectHttps. Click ConnectionMode for related information.

Max connection pool size

Set the maximum connection pool size. The default is 1000.

Consistency level

Set the consistency level. Click Consistency levels for related information.

Global Variables

ERROR_MESSAGE

The error message generated by the component when an error occurs. This is an After variable and it returns a string.

NB_LINE

The number of rows processed. This is an After variable and it returns an integer.

Usage

Usage rule

As a start component, tCosmosDBSQLAPIInput allows you to retrieve data from a collection in a Cosmos database through SQL API and transfer the data to the following component for display or storage.

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