org.apache.nifi.processors.standard.db.impl

Class MSSQLDatabaseAdapter

java.lang.Object

org.apache.nifi.processors.standard.db.impl.MSSQLDatabaseAdapter

All Implemented Interfaces:

DatabaseAdapter

public class MSSQLDatabaseAdapter
extends java.lang.Object
implements DatabaseAdapter

A database adapter that generates MS SQL Compatible SQL.

Constructor Summary

Constructors

Constructor and Description
MSSQLDatabaseAdapter()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDescription()
java.lang.String	getName()
java.lang.String	getSelectStatement(java.lang.String tableName, java.lang.String columnNames, java.lang.String whereClause, java.lang.String orderByClause, java.lang.Long limit, java.lang.Long offset) Returns a SQL SELECT statement with the given clauses applied.

Methods inherited from class java.lang.Object

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

Constructor Detail

MSSQLDatabaseAdapter

public MSSQLDatabaseAdapter()

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface DatabaseAdapter

getDescription

public java.lang.String getDescription()

Specified by:

getDescription in interface DatabaseAdapter

getSelectStatement

public java.lang.String getSelectStatement(java.lang.String tableName,
                                           java.lang.String columnNames,
                                           java.lang.String whereClause,
                                           java.lang.String orderByClause,
                                           java.lang.Long limit,
                                           java.lang.Long offset)

Description copied from interface: DatabaseAdapter

Returns a SQL SELECT statement with the given clauses applied.

Specified by:

getSelectStatement in interface DatabaseAdapter

Parameters:

tableName - The name of the table to fetch rows from

columnNames - The names of the columns to fetch from the table

whereClause - The filter to apply to the statement. This should not include the WHERE keyword

orderByClause - The columns/clause used for ordering the result rows. This should not include the ORDER BY keywords

limit - The value for the LIMIT clause (i.e. the number of rows to return)

offset - The value for the OFFSET clause (i.e. the number of rows to skip)

Returns:

A String containing a SQL SELECT statement with the given clauses applied