org.apache.lens.client.jdbc

Class JDBCUtils

java.lang.Object

org.apache.lens.client.jdbc.JDBCUtils

public final class JDBCUtils
extends Object

The Class JDBCUtils.

Field Summary

Fields

Modifier and Type	Field and Description
static String	URL_PREFIX The Constant URL_PREFIX.

Method Summary

Methods

Modifier and Type	Method and Description
static int	getSQLType(String type) Gets the SQL type.
static LensConnectionParams	parseUrl(String uri) Parses the JDBC Connection URL.

Methods inherited from class java.lang.Object

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

Field Detail

URL_PREFIX

public static final String URL_PREFIX

The Constant URL_PREFIX.

See Also:

Constant Field Values

Method Detail

parseUrl

public static LensConnectionParams parseUrl(String uri)
                                     throws IllegalArgumentException

Parses the JDBC Connection URL.

The URL format is specified as following :

• hostname which contains hosts on which lens server is hosted parsed from authority section
• port number if specificed in authority part.
• db name from path
• session settings from path, separated by ;
• configuration settings separated by ; from query setting
• variables setting separated by ; from fragment

Examples :-

<code> jdbc:lens://hostname:port/dbname;[optional key value pair of session settings]? [optional configuration settings for connection]#[optional variables to be used in query] </code>

Parameters:

uri - to be used to connect to lens server

Returns:

final list of connection parameters

Throws:

IllegalArgumentException - if URI provided is malformed

getSQLType

public static int getSQLType(String type)
                      throws SQLException

Gets the SQL type.

Parameters:

type - the type

Returns:

the SQL type

Throws:

SQLException - the SQL exception