OData Connector for Azure Data Factory (Pipeline)

In this article you will learn how to quickly and efficiently integrate OData data in Azure Data Factory (Pipeline) without coding. We will use high-performance OData Connector to easily connect to OData and then access the data inside Azure Data Factory (Pipeline).

OData Connector can be used to integrated any REST API which supports OData Standard. You can view tables, read data from tables using this connector. It also comes with some example OData Services to get started.

Let's follow the steps below to see how we can accomplish that!

Download Documentation

OData Connector for Azure Data Factory (Pipeline) is based on ZappySys API Driver which is part of ODBC PowerPack. It is a collection of high-performance ODBC drivers that enable you to integrate data in SQL Server, SSIS, a programming language, or any other ODBC-compatible application. ODBC PowerPack supports various file formats, sources and destinations, including REST/SOAP API, SFTP/FTP, storage services, and plain files, to mention a few.

Connect to OData in other apps

Connect to OData in SSIS

Connect to OData in SQL Server

Connect to OData in Power BI

Connect to OData in SSRS

Connect to OData in Informatica

Connect to OData in MS Access

Connect to OData in MS Excel

Connect to OData in SSAS

Connect to OData in C#

Connect to OData in Python

Connect to OData in JAVA

Connect to OData in Tableau

Connect to OData in SAP Crystal Reports

Connect to OData in Azure Data Factory (SSIS)

Connect to OData in Talend Studio

Connect to OData in UiPath

Connect to OData in PowerShell

Connect to OData in ODBC

Create ODBC Data Source (DSN) based on ZappySys API Driver

Step-by-step instructions

To get data from OData using Azure Data Factory (Pipeline) we first need to create a DSN (Data Source) which will access data from OData. We will later be able to read data using Azure Data Factory (Pipeline). Perform these steps:

Install ZappySys ODBC PowerPack.
Open ODBC Data Sources (x64):
Create a User data source (User DSN) based on ZappySys API Driver

ZappySys API Driver
- Create and use User DSN if the client application is run under a User Account. This is an ideal option in design-time, when developing a solution, e.g. in Visual Studio 2019. Use it for both type of applications - 64-bit and 32-bit.
- Create and use System DSN if the client application is launched under a System Account, e.g. as a Windows Service. Usually, this is an ideal option to use in a production environment. Use ODBC Data Source Administrator (32-bit), instead of 64-bit version, if Windows Service is a 32-bit application.
Azure Data Factory (Pipeline) uses a Service Account, when a solution is deployed to production environment, therefore for production environment you have to create and use a System DSN.
When the Configuration window appears give your data source a name if you haven't done that already, then select "OData" from the list of Popular Connectors. If "OData" is not present in the list, then click "Search Online" and download it. Then set the path to the location where you downloaded it. Finally, click Continue >> to proceed with configuring the DSN:

OdataDSN

OData

Now it's time to configure the Connection Manager. Select Authentication Type, e.g. Token Authentication. Then select API Base URL (in most cases, the default one is the right one). More info is available in the Authentication section.

No Authentication [Http]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

No Authentication [Http]

https://services.odata.org/V3/Northwind/Northwind.svc

Optional Parameters
RetryMode	RetryWhenStatusCodeMatch
RetryStatusCodeList	429
RetryCountMax	5
RetryMultiplyWaitTime	True
IgnoreSSLCertificateErrors
SslVersion

Windows Authentication [Http]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

Windows Authentication [Http]

https://services.odata.org/V3/Northwind/Northwind.svc

This Authentication Type has no parameters to fill-in.

Basic Authentication [Http]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

Basic Authentication [Http]

https://services.odata.org/V3/Northwind/Northwind.svc

Required Parameters
UserName	Fill-in the parameter...
Password	Fill-in the parameter...
Optional Parameters
RetryMode	RetryWhenStatusCodeMatch
RetryStatusCodeList	429
RetryCountMax	5
RetryMultiplyWaitTime	True
IgnoreSSLCertificateErrors
SslVersion

NTLM Authentication [Http]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

NTLM Authentication [Http]

https://services.odata.org/V3/Northwind/Northwind.svc

Required Parameters
UserName (i.e. Domain\UserName)	Fill-in the parameter...
Password	Fill-in the parameter...
Optional Parameters
RetryMode	RetryWhenStatusCodeMatch
RetryStatusCodeList	429
RetryCountMax	5
RetryMultiplyWaitTime	True
IgnoreSSLCertificateErrors
SslVersion

Token Authentication [Http]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

Token Authentication [Http]

https://services.odata.org/V3/Northwind/Northwind.svc

Required Parameters
Token	Fill-in the parameter...
Optional Parameters
AuthScheme	Bearer
AuthHeader	Authorization
RetryMode	RetryWhenStatusCodeMatch
RetryStatusCodeList	429
RetryCountMax	5
RetryMultiplyWaitTime	True
IgnoreSSLCertificateErrors
SslVersion

OAuth Connection for OData API [OAuth]

Fill in all required parameters and set optional parameters if needed:

OdataDSN

OData

OAuth Connection for OData API [OAuth]

https://services.odata.org/V3/Northwind/Northwind.svc

Optional Parameters
GrantType	Default
OAuthVersion	Default
ClientId
ClientSecret
UserName
Password
Scope
AuthUrl	https://some-domain.com/api/auth
TokenUrl	https://some-domain.com/api/token
ReturnUrl	https://zappysys.com/oauth
ExtraAttributesForTokenRequest
ExtraAttributesForAuthRequest
DoNotIncludeCredentialsInHeader
DoNotIncludeCredentialsInBody
RenewBeforeSec
ExtraHeaders (e.g. x-hdr1:AAA\|\|x-hdr2:BBB)
ContentType
EnableCodeVerifier
RemoveAuthHeader
CustomAuthHeader
CustomTokenPrefix
RetryMode	RetryWhenStatusCodeMatch
RetryStatusCodeList	429
RetryCountMax	5
RetryMultiplyWaitTime	True
IgnoreSSLCertificateErrors
SslVersion

Once the data source has been configured, you can preview data. Select the Preview tab and use settings similar to the following to preview data:
Click OK to finish creating the data source.

Video instructions

Watch this video on YouTube

Read data in Azure Data Factory (ADF) from ODBC datasource (OData)

To start press New button:
Select "Azure, Self-Hosted" option:
Select "Self-Hosted" option:
Set a name, we will use "OnPremisesRuntime":
Download and install Microsoft Integration Runtime.
Launch Integration Runtime and copy/paste Authentication Key from Integration Runtime configuration in Azure Portal:
After finishing registering the Integration Runtime node, you should see a similar view:
Go back to Azure Portal and finish adding new Integration Runtime. You should see it was successfully added:
Go to Linked services section and create a new Linked service based on ODBC:
Select "ODBC" service:
Configure new ODBC service. Use the same DSN name we used in the previous step and copy it to Connection string box:

OdataDSN

DSN=OdataDSN
For created ODBC service create ODBC-based dataset:
Go to your pipeline and add Copy data connector into the flow. In Source section use OdbcDataset we created as a source dataset:
Then go to Sink section and select a destination/sink dataset. In this example we use precreated AzureBlobStorageDataset which saves data into an Azure Blob:
Finally, run the pipeline and see data being transferred from OdbcDataset to your destination dataset:

Advanced topics

Create Custom Stored Procedure in ZappySys Driver

You can create procedures to encapsulate custom logic and then only pass handful parameters rather than long SQL to execute your API call.

Steps to create Custom Stored Procedure in ZappySys Driver. You can insert Placeholders anywhere inside Procedure Body. Read more about placeholders here

Go to Custom Objects Tab and Click on Add button and Select Add Procedure:
Enter the desired Procedure name and click on OK:
Select the created Stored Procedure and write the your desired stored procedure and Save it and it will create the custom stored procedure in the ZappySys Driver:
Here is an example stored procedure for ZappySys Driver. You can insert Placeholders anywhere inside Procedure Body. Read more about placeholders here
```
CREATE PROCEDURE [usp_get_orders]
    @fromdate = '<<yyyy-MM-dd,FUN_TODAY>>'
 AS
    SELECT * FROM Orders where OrderDate >= '<@fromdate>';
```
That's it now go to Preview Tab and Execute your Stored Procedure using Exec Command. In this example it will extract the orders from the date 1996-01-01:
```
Exec usp_get_orders '1996-01-01';
```
Let's generate the SQL Server Query Code to make the API call using stored procedure. Go to Code Generator Tab, select language as SQL Server and click on Generate button the generate the code.
As we already created the linked server for this Data Source, in that you just need to copy the Select Query and need to use the linked server name which we have apply on the place of [MY_API_SERVICE] placeholder.
```
SELECT * FROM OPENQUERY([LINKED_SERVER_TO_ODATA_IN_DATA_GATEWAY], 'EXEC usp_get_orders @fromdate=''1996-07-30''')
```
Now go to SQL served and execute that query and it will make the API call using stored procedure and provide you the response.

Create Custom Virtual Table in ZappySys Driver

ZappySys API Drivers support flexible Query language so you can override Default Properties you configured on Data Source such as URL, Body. This way you don't have to create multiple Data Sources if you like to read data from multiple EndPoints. However not every application support supplying custom SQL to driver so you can only select Table from list returned from driver.

If you're dealing with Microsoft Access and need to import data from an SQL query, it's important to note that Access doesn't allow direct import of SQL queries. Instead, you can create custom objects (Virtual Tables) to handle the import process.

Many applications like MS Access, Informatica Designer wont give you option to specify custom SQL when you import Objects. In such case Virtual Table is very useful. You can create many Virtual Tables on the same Data Source (e.g. If you have 50 URLs with slight variations you can create virtual tables with just URL as Parameter setting.

Go to Custom Objects Tab and Click on Add button and Select Add Table:
Enter the desired Table name and click on OK:
And it will open the New Query Window Click on Cancel to close that window and go to Custom Objects Tab.
Select the created table, Select Text Type AS SQL and write the your desired SQL Query and Save it and it will create the custom table in the ZappySys Driver:
Here is an example SQL query for ZappySys Driver. You can insert Placeholders also. Read more about placeholders here
```
SELECT
  "ShipCountry",
  "OrderID",
  "CustomerID",
  "EmployeeID",
  "OrderDate",
  "RequiredDate",
  "ShippedDate",
  "ShipVia",
  "Freight",
  "ShipName",
  "ShipAddress",
  "ShipCity",
  "ShipRegion",
  "ShipPostalCode"
FROM "Orders"
Where "ShipCountry"='USA'
```
That's it now go to Preview Tab and Execute your custom virtual table query. In this example it will extract the orders for the USA Shipping Country only:
```
SELECT * FROM "vt__usa_orders_only"
```
Let's generate the SQL Server Query Code to make the API call using stored procedure. Go to Code Generator Tab, select language as SQL Server and click on Generate button the generate the code.
As we already created the linked server for this Data Source, in that you just need to copy the Select Query and need to use the linked server name which we have apply on the place of [MY_API_SERVICE] placeholder.
```
SELECT * FROM OPENQUERY([LINKED_SERVER_TO_ODATA_IN_DATA_GATEWAY], 'EXEC [usp_get_orders] ''1996-01-01''')
```
Now go to SQL served and execute that query and it will make the API call using stored procedure and provide you the response.

Actions supported by OData Connector

OData Connector support following actions for REST API integration. If some actions are not listed below then you can easily edit Connector file and enhance out of the box functionality.

List Tables (JSON API)

[ Read more... ]

List Tables (XML API)

[ Read more... ]

Generic Read Data (JSON API)

[ Read more... ]

Parameter	Description
TableName	Read data from specified module (Json Format API)

Generic Read Data (XML API)

[ Read more... ]

Parameter	Description
TableName	Read data from specified module (Xml Format API)

Read [$parent.name$]

[ Read more... ]

Generic Request

This is generic endpoint. Use this endpoint when some actions are not implemented by connector. Just enter partial URL (Required), Body, Method, Header etc. Most parameters are optional except URL. [ Read more... ]

Parameter

Description

Url

API URL goes here. You can enter full URL or Partial URL relative to Base URL. If it is full URL then domain name must be part of ServiceURL or part of TrustedDomains

Body

Request Body content goes here

IsMultiPart

Set this option if you want to upload file(s) (i.e. POST RAW file data) or send data using Multi-Part encoding method (i.e. Content-Type: multipart/form-data). Multi-Part request allows you to mix key/value and upload files in same request. On the other hand raw upload allows only single file upload (without any key/value) ==== Raw Upload (Content-Type: application/octet-stream) ===== To upload single file in raw mode check this option and specify full file path starting with @ sign in the Body (e.g. @c:\data\myfile.zip ) ==== Form-Data / Multipart Upload (Content-Type: multipart/form-data) ===== To treat your Request data as multi part fields you must specify key/value pairs separated by new lines into RequestData field (i.e. Body). Each key value pair is entered on new-line and key/value are separated using equal sign (=). Preceding and trailing spaces are ignored also blank lines are ignored. If field value has some any special character(s) then use escape sequence (e.g. For NewLine: \r\n, For Tab: \t, For at (@): \@). When value of any field starts with at sign (@) its automatically treated as File you want to upload. By default file content type is determined based on extension however you can supply content type manually for any field using this way [ YourFileFieldName.Content-Type=some-content-type ]. By default File Upload Field always includes Content-Type in the request (non file fields do not have content-type by default unless you supply manually). For some reason if you dont want to use Content-Type header in your request then supply blank Content-Type to exclude this header altogather [e.g. SomeFieldName.Content-Type= ]. In below example we have supplied Content-Type for file2 and SomeField1, all other fields are using default content-type. See below Example of uploading multiple files along with additional fields. If some API requires you to pass Content-Type: multipart/form-data rather than multipart/form-data then manually set Request Header => Content-Type: multipart/mixed (it must starts with multipart/ else will be ignored). file1=@c:\data\Myfile1.txt file2=@c:\data\Myfile2.json file2.Content-Type=application/json SomeField1=aaaaaaa SomeField1.Content-Type=text/plain SomeField2=12345 SomeFieldWithNewLineAndTab=This is line1\r\nThis is line2\r\nThis is \ttab \ttab \ttab SomeFieldStartingWithAtSign=\@MyTwitterHandle

Filter

Enter filter to extract array from response. Example: $.rows[*] --OR-- $.customers[*].orders[*]. Check your response document and find out hierarchy you like to extract

Option	Value
No filter
Example1	$.store.books[*]
Example2 (Sections Under Books)	$.store.books[].sections[]
Example3 (Equals)	$.store.books[?(@author=='sam')]
Example4 (Equals - Any Section)	$..[?(@author=='sam')]
Example5 (Not Equals - Any Section)	$..[?(@author!='sam')]
Example6 (Number less than)	$.store.books[?(@.price<10)] Example7 (Regular Expression - Contains Pattern)=$.store.books[?(@author=~ /sam\|bob/ )]
Example8 (Regular Expression - Does Not Contain Pattern)	$.store.books[?(@author=~ /^((?!sam\|bob).)*$/ )]
Example9 (Regular Expression - Exact Pattern Match)	$.store.books[?(@author=~ /^sam\|bob$/ )]
Example10 (Regular Expression - Starts With)	$.store.books[?(@author=~ /^sam/ )]
Example11 (Regular Expression - Ends With)	$.store.books[?(@author=~ /sam$/ )]
Example12 (Between)	$.store.employees[?( @.hiredate>'2015-01-01' && @.hiredate<'2015-01-04' )]

Headers

Headers for Request. To enter multiple headers use double pipe or new line after each {header-name}:{value} pair

Generic Request (Bulk Write)

This is a generic endpoint for bulk write purpose. Use this endpoint when some actions are not implemented by connector. Just enter partial URL (Required), Body, Method, Header etc. Most parameters are optional except URL. [ Read more... ]

Parameter	Description
Url	API URL goes here. You can enter full URL or Partial URL relative to Base URL. If it is full URL then domain name must be part of ServiceURL or part of TrustedDomains
IsMultiPart	Set this option if you want to upload file(s) (i.e. POST RAW file data) or send data using Multi-Part encoding method (i.e. Content-Type: multipart/form-data). Multi-Part request allows you to mix key/value and upload files in same request. On the other hand raw upload allows only single file upload (without any key/value) ==== Raw Upload (Content-Type: application/octet-stream) ===== To upload single file in raw mode check this option and specify full file path starting with @ sign in the Body (e.g. @c:\data\myfile.zip ) ==== Form-Data / Multipart Upload (Content-Type: multipart/form-data) ===== To treat your Request data as multi part fields you must specify key/value pairs separated by new lines into RequestData field (i.e. Body). Each key value pair is entered on new-line and key/value are separated using equal sign (=). Preceding and trailing spaces are ignored also blank lines are ignored. If field value has some any special character(s) then use escape sequence (e.g. For NewLine: \r\n, For Tab: \t, For at (@): \@). When value of any field starts with at sign (@) its automatically treated as File you want to upload. By default file content type is determined based on extension however you can supply content type manually for any field using this way [ YourFileFieldName.Content-Type=some-content-type ]. By default File Upload Field always includes Content-Type in the request (non file fields do not have content-type by default unless you supply manually). For some reason if you dont want to use Content-Type header in your request then supply blank Content-Type to exclude this header altogather [e.g. SomeFieldName.Content-Type= ]. In below example we have supplied Content-Type for file2 and SomeField1, all other fields are using default content-type. See below Example of uploading multiple files along with additional fields. If some API requires you to pass Content-Type: multipart/form-data rather than multipart/form-data then manually set Request Header => Content-Type: multipart/mixed (it must starts with multipart/ else will be ignored). file1=@c:\data\Myfile1.txt file2=@c:\data\Myfile2.json file2.Content-Type=application/json SomeField1=aaaaaaa SomeField1.Content-Type=text/plain SomeField2=12345 SomeFieldWithNewLineAndTab=This is line1\r\nThis is line2\r\nThis is \ttab \ttab \ttab SomeFieldStartingWithAtSign=\@MyTwitterHandle
Filter	Enter filter to extract array from response. Example: $.rows[] --OR-- $.customers[].orders[*]. Check your response document and find out hierarchy you like to extract
Headers	Headers for Request. To enter multiple headers use double pipe (\|\|) or new line after each {header-name}:{value} pair

OData Connector Examples for Azure Data Factory (Pipeline) Connection

This page offers a collection of SQL examples designed for seamless integration with the ZappySys API ODBC Driver under ODBC Data Source (36/64) or ZappySys Data Gateway, enhancing your ability to connect and interact with Prebuilt Connectors effectively.

Read all records from an JSON OData Service Table [ Read more... ]

SELECT * FROM Customers

Read all records from an XML OData Service Table [ Read more... ]

SELECT * FROM read_data_xml WITH(TableName='MyTable')

Filter records using server side criteria [ Read more... ]

SELECT * FROM Customers WITH( SearchCriteria='Country -eq ''USA'' ')

Filter records using client side criteria [ Read more... ]

SELECT * FROM Customers WHERE Country = 'USA'

List all Tables (JSON Based Format) [ Read more... ]

SELECT * FROM list_tables_json

List all Tables (XML Based Format) [ Read more... ]

SELECT * FROM list_tables_xml

Conclusion

In this article we showed you how to connect to OData in Azure Data Factory (Pipeline) and integrate data without any coding, saving you time and effort. We encourage you to download OData Connector for Azure Data Factory (Pipeline) and see how easy it is to use it for yourself or your team.

If you have any questions, feel free to contact ZappySys support team. You can also open a live chat immediately by clicking on the chat icon below.

Download OData Connector for Azure Data Factory (Pipeline) Documentation

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Build your own Custom API Connector

Other application integration scenarios for OData

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Download OData Connector for Azure Data Factory (Pipeline) Documentation

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