net.amrhassan.sqlbuilder

Class SelectSqlStatement

java.lang.Object

net.amrhassan.sqlbuilder.SelectSqlStatement

All Implemented Interfaces:

SqlStatement

public final class SelectSqlStatement
extends Object
implements SqlStatement

A SELECT SQL statement

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SelectSqlStatement.Order The order specified in an ORDER BY clause

Constructor Summary

Constructors

Constructor and Description
SelectSqlStatement()

Method Summary

Methods

Modifier and Type	Method and Description
void	addFieldAs(String name, String alias) Add a field to be selected.
void	addFields(String... names) Add a fields to be selected.
void	addGroupByFields(String... fields) Add a field to be used for the GROUP BY clause
void	addOrderBy(SelectSqlStatement.Order order, String... fields) Specify a field to be used for the ORDER BY clause
void	addOrderBy(String... fields) Specify fields to be used for the ORDER BY clause
void	addSource(SqlSource source) Add a source for the statement, which can be a simple table name or a complex JOIN clause (see SqlSources)
void	disableDistinct() Disable the DISTINCT clause
void	enableDistinct() Enable the DISTINCT clause
void	setRestriction(SqlRestriction restriction) The restrictions used in the WHERE clause
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectSqlStatement

public SelectSqlStatement()

Method Detail

enableDistinct

public void enableDistinct()

Enable the DISTINCT clause

disableDistinct

public void disableDistinct()

Disable the DISTINCT clause

addSource

public void addSource(SqlSource source)

Add a source for the statement, which can be a simple table name or a complex JOIN clause (see SqlSources)

addFieldAs

public void addFieldAs(String name,
              String alias)

Add a field to be selected. Fields can be column names or aggregate function expressions.

Parameters:

name - Column name or aggregate function expression

alias - An alias for the specified field name

addFields

public void addFields(String... names)

Add a fields to be selected. Fields can be column names or aggregate function expressions.

Parameters:

names - Column names or aggregate function expression

addOrderBy

public void addOrderBy(String... fields)

Specify fields to be used for the ORDER BY clause

Parameters:

fields - The field names or their aliases if they were specified with aliases

addOrderBy

public void addOrderBy(SelectSqlStatement.Order order,
              String... fields)

Specify a field to be used for the ORDER BY clause

Parameters:

fields - The field names or their aliases if they were specified with aliases

order - The order of the rows

addGroupByFields

public void addGroupByFields(String... fields)

Add a field to be used for the GROUP BY clause

Parameters:

field - The field name or its alias if it was specified with an alias

setRestriction

public void setRestriction(SqlRestriction restriction)

The restrictions used in the WHERE clause

Parameters:

restriction - (See SqlSources)

toString

public String toString()

Overrides:

toString in class Object