Package org.apache.drill.metastore.rdbms

Class QueryExecutorProvider

java.lang.Object

org.apache.drill.metastore.rdbms.QueryExecutorProvider

All Implemented Interfaces:

AutoCloseable

public class QueryExecutorProvider
extends Object
implements AutoCloseable

Provides SQL queries executor configured based on given data source and SQL dialect.

Constructor Summary

Constructors

Constructor	Description
QueryExecutorProvider(com.zaxxer.hikari.HikariDataSource dataSource)

Method Summary

Modifier and Type	Method	Description
void	close()
org.jooq.DSLContext	executor()	Provides query executor which can be used to execute various SQL statements.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

QueryExecutorProvider

public QueryExecutorProvider(com.zaxxer.hikari.HikariDataSource dataSource)

Method Details

executor

public org.jooq.DSLContext executor()

Provides query executor which can be used to execute various SQL statements. Executor transforms programmatically created queries into configured SQL dialect, executes them using connections from provided data source. Allows to execute SQL queries in transaction. Note: always close executor to release open connections.

Returns:

query executor

close

public void close()

Specified by:

close in interface AutoCloseable