ElasticSearch Connector for UiPath
In this article you will learn how to integrate Using ElasticSearch Connector you will be able to connect, read, and write data from within UiPath. Follow the steps below to see how we would accomplish that. The driver mentioned above is part of ODBC PowerPack which is a collection of high-performance Drivers for various API data source (i.e. REST API, JSON, XML, CSV, Amazon S3 and many more). Using familiar SQL query language you can make live connections and read/write data from API sources or JSON / XML / CSV Files inside SQL Server (T-SQL) or your favorite Reporting (i.e. Power BI, Tableau, Qlik, SSRS, MicroStrategy, Excel, MS Access), ETL Tools (i.e. Informatica, Talend, Pentaho, SSIS). You can also call our drivers from programming languages such as JAVA, C#, Python, PowerShell etc. If you are new to ODBC and ZappySys ODBC PowerPack then check the following links to get started. |
Connect to ElasticSearch in other apps
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Create ODBC Data Source (DSN) based on ZappySys API Driver
Step-by-step instructions
To get data from ElasticSearch using UiPath we first need to create a DSN (Data Source) which will access data from ElasticSearch. We will later be able to read data using UiPath. Perform these steps:
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Install ZappySys ODBC PowerPack.
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Open ODBC Data Sources (x64):
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Create a User Data Source (User DSN) based on ZappySys API Driver
ZappySys API DriverYou should create a System DSN (instead of a User DSN) if the client application is launched under a Windows System Account, e.g. as a Windows Service. If the client application is 32-bit (x86) running with a System DSN, use ODBC Data Sources (32-bit) instead of the 64-bit version. -
When the Configuration window appears give your data source a name if you haven't done that already, then select "ElasticSearch" from the list of Popular Connectors. If "ElasticSearch" 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:
ElasticSearchDSNElasticSearch -
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.
Fill in all required parameters and set optional parameters if needed:
ElasticSearchDSNElasticSearchBasic Authentication (UserId/Password) [Http]http://localhost:9200Required Parameters Optional Parameters UserName Fill in the parameter... Password Fill in the parameter... IgnoreSSLCertificateErrors Fill in the parameter... Fill in all required parameters and set optional parameters if needed:
ElasticSearchDSNElasticSearchWindows Authentication (No Password) [Http]http://localhost:9200Required Parameters Optional Parameters IgnoreSSLCertificateErrors Fill in the parameter... -
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:
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Click OK to finish creating the data source.
Video instructions
Read ElasticSearch data in UiPath Studio (workstation)
Here we will be reading ElasticSearch data on your workstation. To accomplish that we will create and run UiPath process package locally. Later on, we'll explore how to publish the package to Orchestrator and run it remotely. For now, let's focus on working locally and get started!
- Open UiPath Studio.
- Before we really begin the work, make sure UiPath Studio is set as your profile (blue application icon).
- In case, it is set to UiPath StudioX, you can change it in UiPath StudioX Settings: Simply select UiPath Studio option:
- Start by creating a new project based on UiPath Process template:
- Add Run Query activity in Main Sequence box:
- Click Configure Connection... button to create an ODBC connection:
- Continue by clicking Connection Wizard:
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When the window opens, select ODBC-based driver, provider, and then choose ODBC data source:
ElasticSearchDSNElasticSearchDSNYou can also select Use connection string option and use whole ODBC connection string instead. Obtain the connection string by pressing Copy Settings button in your data source configuration.
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Once you do that, it's time to configure a SQL query:
Make sure, you enclose the query in double quotes!
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Proceed by adding a Write CSV activity after Run Query:
In this article we are using Write CSV, but you can freely add any other destination of your choice, e.g. Write DataTable to Excel.
- Once you do that, configure the added Write CSV, this will write ElasticSearch data to a CSV file:
- It's time for fun! Which means it's time for debugging! Just run the package locally to debug:
- Finally, ensure there are no execution errors!
Run UiPath package using Orchestrator (via robot)
UiPath also offers the ability to execute packages remotely using Orchestrator and a robot. This is achieved by publishing the package to UiPath Orchestrator, installing UiPath Assistant on the remote machine, connecting it to Orchestrator, enabling us to run the package remotely. It may sound complicated at first glance, but further steps will clear things out. Let's not waste our precious time and delve into the details!
Publish process package from UiPath Studio
- First of all, open the UiPath process package we created in the previous step
- Set the option that our process package Starts in Background:
- We are ready to Publish it:
- Make sure, you publish it to the Shared folder in UiPath Orchestrator Tenant workspace:
- Finally, success! We are ready for the next step - creating UiPath robot - so we can automate the job:
Create robot in UiPath Orchestrator
- First of all, let's open UiPath Orchestrator from UiPath Automation Cloud console:
- It's time to create a robot, which will run unattended packages:
- But first we have to create a runtime. Choose to host our robot on-premise, not in UiPath infrastructure:
- Let's move along and Create new machine template, this will create a machine in UiPath Orchestrator:
- Configure the machine to run in Production environment:
- We are ready to Create new robot account in the new machine:
- Let's make our robot to work only on background automations:
- Continue by selecting newly created robot:
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Select Shared folder, so that everyone in the team can benefit from it:
This is the folder where we published our UiPath process package "MyProcess"
- We are almost done! We are given machine Client ID and Client secret which we will use to connect UiPath Assistant to our created machine in Orchestrator. Let's leave this open for a while and see how we can do it in the next step.
Connect UiPath Assistant to Orchestrator
We are ready to connect UiPath Assistant to the machine we created in Orchestrator. UiPath Assistant will run our package in a remote machine. Let's connect it and give it some work!
- Connect to a remote machine (where your UiPath process package will be running).
- Install UiPath Studio there.
- Then configure ODBC data source:
If you chose Use user or system data source option in connection configuration, when creating UiPath process package, then create an identical ODBC data source on the same remote machine. Use the same configuration as the one created in your workstation in the first step.
Use Copy Settings and Load Settings buttons to make your life easier. They will help you to transfer settings between different ODBC data sources.If you chose Use connection string option, then you don't have to do anything. However, you still have to install ODBC PowerPack on the remote machine.
- Continue by opening UiPath Assistant and going to Preferences:
- Find Orchestrator Settings menu item and click it:
- And here even bigger fun begins! But fear not, all you have to do is open your web browser window with Client ID & Client secret we obtained in the previous step and simply copy and paste those values into UiPath Assistant. Also, don't forget to configure Orchestrator URL:
- Finally, we get rewarded for the hard work with the Connected as Unattended status:
Create and run UiPath process in Orchestrator
We are at the finish line! Let's create and run UiPath process. This will execute the package on your remote machine using the UiPath Assistant configured earlier.
- First of all, open UiPath Orchestrator from UiPath Automation Cloud console.
- Then proceed by going to Process in Shared folder:
- Continue by simply clicking on Add process button:
- Select the process package we created in UiPath Studio:
- Rest a while, and just hit Next, unless your package has requirements:
- Then simply hit Create button:
- But let's not stop here and Start the process by creating a job right away:
- Use the same Production runtime we created before and hit Start:
- We've reached the final step! In the CSV destination file or destination of your choice you should see ElasticSearch data:
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
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Go to Custom Objects Tab and Click on Add button and Select Add Procedure:
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Enter the desired Procedure name and click on OK:
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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>';
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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';
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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([MY_API_SERVICE], 'EXEC usp_get_orders @fromdate=''1996-07-30''')
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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.
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Go to Custom Objects Tab and Click on Add button and Select Add Table:
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Enter the desired Table name and click on OK:
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And it will open the New Query Window Click on Cancel to close that window and go to Custom Objects Tab.
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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'
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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"
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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([MY_API_SERVICE], 'EXEC [usp_get_orders] ''1996-01-01''')
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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 ElasticSearch Connector
ElasticSearch 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.Parameter | Description |
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New Index Name |
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Parameter | Description |
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Index to delete |
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Parameter | Description |
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Parameter | Description |
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Index |
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Alias |
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Parameter | Description |
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Index |
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Alias |
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Enter Document ID |
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Parameter | Description | ||||||||
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Index or Alias Name (choose one --OR-- enter * --OR-- comma seperated names) |
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Enter Query (JSON Format) |
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Parameter | Description |
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Index |
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Alias |
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Parameter | Description |
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Index |
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Alias |
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Parameter | Description |
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Index |
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Alias |
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Parameter | Description |
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Index |
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Parameter | Description |
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Url |
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Body |
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IsMultiPart |
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Filter |
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Headers |
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ElasticSearch Connector Examples for UiPath 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.
Create a new index (i.e. Table) [Read more...]
Create a new index (i.e. Create a new table). To trow error if table exists you can set ContineOnErrorForStatusCode=0
SELECT * FROM create_index WITH(Name='my_new_index_name', ContineOnErrorForStatusCode=1)
Delete an exising index (i.e. Table) [Read more...]
Delete an exising index. It it exists it will show status code 400
SELECT * FROM delete_index WITH(Name='my_index_name', ContineOn404Error=1 )
Generic API Call for ElasticSearch [Read more...]
When EndPoint not defined and you like to call some API use this way. Below example shows how to call CREATE INDEX API generic way. See other generic API call examples.
SELECT * FROM generic_request
WITH(Url='/my_index_name'
, RequestMethod='PUT'
-- , Body='{}'
-- , Headers='X-Hdr1:aaa || x-HDR2: bbb'
, Meta='acknowledged:bool'
)
List indexes [Read more...]
Lists indexes
SELECT * FROM Indexes
Get index metadata [Read more...]
Gets index metadata
SELECT * FROM get_index_metadata WITH (Index='my_index_name')
Read ElasticSearch documents from Index (all or with filter) [Read more...]
Gets documents by index name (i.e. Table name) or alias name (i.e. View name). Using WHERE clause invokes client side engine so try to avoid WHERE clause and use WITH clause QUERY attribute. Use search endpoint instead to invoke query.
SELECT * FROM MyIndexOrAliasName --WITH(Query='{"match": { "PartNumber" : "P50" } }')
Read ElasticSearch documents from Alias (all or with filter) [Read more...]
Gets documents by index name (i.e. Table name) or alias name (i.e. View name). Using WHERE clause invokes client side engine so try to avoid WHERE clause and use WITH clause QUERY attribute. Use search endpoint instead to invoke query.
SELECT * FROM MyIndexOrAliasName --WITH(Query='{"match": { "PartNumber" : "P50" } }')
Search documents from Index using ElasticSearch Query language [Read more...]
Below example shows how to search on a comment field for TV word anywhere in the text for Index named MyIndexOrAliasName (it can be index name or alias name). For more information on ElasticSearch Query expression check this link https://www.elastic.co/guide/en/elasticsearch/reference/6.8/query-dsl-match-query.html
SELECT * FROM MyIndexOrAliasName WITH(Query='{"match": { "comment" : "TV" } }')
--or use below - slight faster (avoids table / alias list validation)
--SELECT * FROM search WITH(Index='MyIndexName', Query='{"match": { "comment" : "TV" } }')
--SELECT * FROM search WITH(Index='MyIndexName', Alias='MyAliasName', Query='{"match": { "comment" : "TV" } }')
Search documents from Alias using ElasticSearch Query language [Read more...]
Below example shows how to search on Alias rather than Index name. Alias is build on index (consider like a view in RDBMS). This example filtes data from Alias with some condition in the Query Text. For more information on ElasticSearch Query expression check this link https://www.elastic.co/guide/en/elasticsearch/reference/6.8/query-dsl-match-query.html
SELECT * FROM MyAliasName WITH(Query='{"match": { "comment" : "TV" } }')
--or use search endpoint then you must supply both Index name and Alias name
--calling /search endpoint in FROM clause is slight faster (avoids table / alias list validation)
--SELECT * FROM search WITH(Index='MyIndexName',Index='MyAliasName', Query='{"match": { "comment" : "TV" } }')
Count ElasticSearch index documents using ElasticSearch Query language [Read more...]
Below example shows how to get just count of documents from Index (single, multiple or all index). Optionally you can supply expression to filter. For more information on ElasticSearch Query expression check this link https://www.elastic.co/guide/en/elasticsearch/reference/6.8/query-dsl-match-query.html
SELECT * FROM count WITH(Index='MyIndexOrAliasName') --//get count of documents in index / alias named MyIndexOrAliasName
SELECT * FROM count WITH(Index='*') --//get count of documents in all indices (total distinct _id found across all indices + alias)
SELECT * FROM count WITH(Index='MyIndex1,MyIndex2,MyAlias1,MyAlias2')--//get count of documents in indices named MyIndex1, MyIndex2 and Alias named MyAlias1,MyAlias2
SELECT * FROM count WITH(Index='MyIndexOrAliasName', Query='{"match": { "comment" : "TV" } }') --//get count of documents in MyIndex where comment field contains word "TV"
Count ElasticSearch alias documents using ElasticSearch Query language [Read more...]
Below example shows how to get just count of documents from Alias (single, multiple or all alias). Optionally you can supply expression to filter. For more information on ElasticSearch Query expression check this link https://www.elastic.co/guide/en/elasticsearch/reference/6.8/query-dsl-match-query.html
SELECT * FROM count WITH(Index='MyIndexOrAliasName') --//get count of documents in index / alias named MyIndexOrAliasName
SELECT * FROM count WITH(Index='*') --//get count of documents in all indices (total distinct _id found across all indices + alias)
SELECT * FROM count WITH(Index='MyIndexOrAlias1,MyIndexOrAlias2') --//get count of documents in MyIndex1 and MyIndex2
SELECT * FROM count WITH(Index='MyIndex', Query='{"match": { "comment" : "TV" } }') --//get count of documents in Index named MyIndex where comment field contains word "TV"
SELECT * FROM count WITH(Index='MyAlias', Query='{"match": { "comment" : "TV" } }') --//get count of documents in Alias named MyAlias where comment field contains word "TV"
Using JSON Array / Value functions [Read more...]
Below example shows how to select specific elements from value array or use JSON PATH expression to extract from document array
SELECT _id
, JSON_ARRAY_FIRST(colors) as first_color
, JSON_ARRAY_LAST(colors) as last_color
, JSON_ARRAY_NTH(colors,3) as third_color
, JSON_VALUE(locationList,'$.locationList[0].country') as first_preferred_country
, JSON_VALUE(locationList,'$.locationList[?(@country=='India')].capital as capital_of_india
FROM shop WHERE _Id='1'
Insert documents into index with _id autogenerated [Read more...]
When you dont supply _id column value, ElasticSearch will generate it automatically for you.
INSERT INTO MyIndex([MyCol1], [MyCol2] ) VALUES (100, 'A1')
Insert documents into index with your own _id [Read more...]
Inserts documents into index with _id column. _id is string datatype so can be
INSERT INTO MyIndex(_id, [MyCol1], [MyCol2] ) VALUES ('A1234', 100, 'A1')
Insert documents using nested attribute and raw fragments (JSON sub-documents, arrays) [Read more...]
This example produces JSON document like this {"_id": "some_auto_generated_id" , "Location": { "City" : "Atlanta" , "ZipCode" : "30060" },"ColorsArray ": ["Red", "Blue", "Green"],"SomeNestedDoc": { "Col1" : "aaa" , "Col2" : "bbb" , "Col2" : "ccc" }} . Notice that how Column name with Dot translated into nested Columns (i.e. City, ZipCode) and Prefix raw:: allowed to treat value as array or sub document.
INSERT INTO MyIndexName ([Location.City], [Location.ZipCode], [raw::ColorsArray], [raw::SomeNestedDoc] )
VALUES ('A1234', 'Atlanta', '30060', '["red","green","blue"]', '{"Col1":"aaa","Col2":"bbb","Col3":"ccc"}' )
Insert raw document (_rawdoc_ usage) [Read more...]
This example shows how to insert document(s) in a raw format. When you use column name _rawdoc_ then its treated as RAW body. Notice that we use @ before string literal in value. This allow to use escape sequence (in this case \n for new line).
INSERT INTO shop(_RAWDOC_)
VALUES(@'{"create":{"_index":"shop","_id":"1"}}\n{"name":"record-1","colors":["yellow","orange"]}\n{"create":{"_index":"shop","_id":"2"}}\n{"name":"record-2","colors":["red","blue"]}\n')
Update documents in index [Read more...]
Updates documents in index
UPDATE MyIndex
SET Col1 = 'NewValue-1', Col2 = 'NewValue-2'
WHERE _Id = 'A1234'
Update raw document (_rawdoc_ usage) [Read more...]
This example shows how to update document(s) in a raw format. When you use column name _rawdoc_ then its treated as RAW body. Notice that we use @ before string literal in value. This allow to use escape sequence (in this case \n for new line).
UPDATE shop SET _rawdoc_ = @'{"update": {"_index": "shop", "_id": "1"}}\n{ "doc": {"colors":["yellow","orange"] } }\n{"update": {"_index": "shop", "_id": "2"}}\n{ "doc": {"colors":["yellow","blue"] } }\n'
Update array or sub document [Read more...]
This example shows how to update Array / nested Sub-document by adding raw:: prefix infront of column name to treat column as json fragment
UPDATE MyIndex
SET name = 'abcd', [raw::colors]='["yellow","red"]', [raw::location]='{x:10, y:20}'
WHERE _id='1'
Delete documents from index [Read more...]
Deletes documents from index
DELETE MyIndex WHERE _id = 'A1234'
Conclusion
In this article we discussed how to connect to ElasticSearch in UiPath and integrate data without any coding. Click here to Download ElasticSearch Connector for UiPath and try yourself see how easy it is. If you still have any question(s) then ask here or simply click on live chat icon below and ask our expert (see bottom-right corner of this page).
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