Rasande: Jdbctemplate Batch Insert Generated Keys

Jdbctemplate Batch Insert Generated Keys

It will hit the application performance. I realize that generated keys are not returned in a batchupdate even if multiple insert statements are executed for a table with an autoincrement column.

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Implementations of this interface can hold any number of keys.

Jdbctemplate batch insert generated keys. Currently in jdbctemplate the only way to get a generated key is to execute statements one at a time using the following method signature. Its not good idea to perform multiple record operation one by one in traditional approach. Suppose out of 1000 rows to be inserted the 100th row failed to insert and the program ends abruptly without inserting the remaining rowsie.

Keyholder is supported by jdbc 30. In the general case the keys are returned as a list containing one map for each row of keys. This tutorial will show you how we can insert a large dataset into a database at once using spring jdbctemplate.

This method takes an instance of the preparestatementcreator interface as the first argument and the other argument is the keyholder. However there is still one thing which bothers me from time to time. Therefore well use the jdbctemplate update method which supports the retrieval of primary keys generated by the database.

I wont mention all the benefits of using spring jdbctemplate over a classic use of jdbc. For a programmer getting auto generated id of a newly inserted row in table is a little bit tricky. Sometimes we need to insert or update large number of records in the database.

In this page we will learn how the spring provides an easy way to get that. For this tutorial we will create a standalone maven project in eclipse. Spring provides batch operations with the help of jdbctemplate it insert or update records into database into one shot.

Specifically this method uses some spring jdbc classes and methods to a execute a sql insert statement b get the generated id from the database for the record i just inserted ie the value of the autoincrement field in a mysql database table and c return that integer value at the end of the method. Spring provides keyholder which helps to get auto generated key. And this is the absence of an easy way to get the generated fields after inserting a new row in the db.

From 100th row to 1000th row. Keyholder interface is for retrieving keys typically used for auto generated keys as potentially returned by jdbc insert statements. Hi using spring jdbc batch update how to handle the scenario like what if a row failed to insert.

The use case is quite common especially nowadays with rest apis.

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