Rasande: Queryrunner Batch Insert

Queryrunner Batch Insert

Execute a batch of sql insert update or delete queries. For instance the following method could be added to the queryrunner class.

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Execute an sql statement including a stored procedure call which returns one or more result sets.

Queryrunner batch insert. Dbutils is a very small library of classes so it wont take long to go through the javadocs for each class. You can vote up the examples you like and your votes will be used in our system to generate more good examples. The core classesinterfaces in dbutils are queryrunner and resultsethandleryou dont need to know about any other dbutils classes to benefit from using the library.

This codeconnectioncode must be in 665 auto commit mode or the insert will not be saved. This class works by receiving a connection to the database a sql statement to be executed and an optional list of parameters to supply values for the placeholders of the query. At param sql the sql to execute.

The dbutils library provides the queryrunner class as the main entry point for most of the available functionality. Execute a batch of sql insert update or delete queries. Execute an sql statement including a stored procedure call which does not return any result sets.

671 at return the result generated by the handler. 668 at param rsh the handler used to create the result object from 669 the coderesultsetcode of auto generated keys. Preparestatementstring sql int columnindexes preparestatementstring sql string columnnames this would be in the case that the insert call auto generates more than one column of keys a good example of doing that is escaping me now but.

At param conn the connection to use to run the query. As well see later. 670 at param params initializes the preparedstatements in ie.

The string to decimal data type conversions used in bulk insert follow the same rules as the transact sql convert function which rejects strings representing numeric values that use scientific notation. 666 at param t the type of object that the handler returns 667 at param sql the sql statement to execute. I also seed related static data using queryrunnerinsert.

This currently works well in the previous version as the queryrunner offers insert and update methods using the table name and key value pairs for field names allowing for reference and use with various schema versions throughout the migration path. Therefore bulk insert treats such strings as invalid values and reports conversion errors. 672 at throws sqlexception if a database access.

With the call in the current patch preparestatementstring sql.

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