Package rife.database.queries

Class Select

java.lang.Object

rife.database.queries.AbstractWhereQuery<Select>

rife.database.queries.Select

All Implemented Interfaces:

Cloneable, Query, ReadQuery

public class Select
extends AbstractWhereQuery<Select>
implements Cloneable, ReadQuery

Object representation of a SQL "SELECT" query.

This object may be used to dynamically construct a SQL statement in a database-independent fashion. After it is finished, it may be executed using one of the query methods on DbQueryManager.

Since:

1.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Select.Join
static class	Select.JoinCondition
class	Select.JoinCross
class	Select.JoinCustom
class	Select.JoinDefault
class	Select.JoinInner
class	Select.JoinOuter
static class	Select.JoinType
class	Select.OrderBy
static class	Select.OrderByDirection
class	Select.Union

Field Summary

Fields

Modifier and Type	Field	Description
static final Select.OrderByDirection	ASC
protected Datasource	datasource_
static final Select.OrderByDirection	DESC
protected boolean	excludeUnsupportedCapabilities_
static final Select.JoinType	FULL
static final Select.JoinType	LEFT
static final Select.JoinCondition	NATURAL
static final Select.JoinCondition	ON
static final Select.JoinType	RIGHT
protected String	sql_
static final Select.JoinCondition	USING

Fields inherited from class rife.database.queries.AbstractWhereQuery

where_

Constructor Summary

Constructors

Constructor	Description
Select(Datasource datasource)
Select(Datasource datasource, Class constrainedClass)

Method Summary

Modifier and Type	Method	Description
protected void	_fieldSubselect(Select query)
protected void	_tableSubselect(Select query)
protected void	_unionSubselect(Select query)
protected void	_whereSubselect(Select query)
protected void	addFieldParameter(String field)
protected void	addWhereParameter(String field)
void	addWhereParameters(List<String> parameters)
void	addWhereParameters(List<String> parameters)
void	clear()
void	clearGenerated()
protected void	clearWhereParameters()
Select	clone()
Select	distinct()
Select	distinctOn(String column)
Select	distinctOn(String... columns)
Select	field(String field)
Select	field(String alias, Select query)
Select	fields(Class beanClass)
Select	fields(String... fields)
Select	fields(String table, Class beanClass)
Select	fieldsExcluded(Class beanClass, String... excludedFields)
Select	fieldsExcluded(String table, Class beanClass, String... excludedFields)
Select	fieldSubselect(Select query)
Select	from(String from)
Select	from(String alias, Select query)
Select	from(Select query)
rife.database.capabilities.Capabilities	getCapabilities()
Datasource	getDatasource()
Collection<String>	getDistinctOn()
Collection<String>	getFields()
String	getFrom()
Collection<String>	getGroupBy()
Collection<String>	getHaving()
String	getHint()
Collection<Select.Join>	getJoins()
int	getLimit()
String	getLimitParameter()
int	getOffset()
String	getOffsetParameter()
Collection<Select.OrderBy>	getOrderBy()
QueryParameters	getParameters()
String	getSql()
protected Template	getTemplate()
Collection<Select.Union>	getUnions()
protected List<String>	getWhereParameters()
Select	groupBy(Class beanClass)
Select	groupBy(String groupBy)
Select	groupByExcluded(Class beanClass, String... excludedFields)
Select	having(String having)
Select	hint(String hint)
boolean	isDistinct()
protected boolean	isLimitBeforeOffset()
Select	join(String table)
Select	join(String alias, Select query)
Select	joinCross(String table)
Select	joinCustom(String customJoin)
Select	joinInner(String table, Select.JoinCondition condition, String conditionExpression)
Select	joinOuter(String table, Select.JoinType type, Select.JoinCondition condition, String conditionExpression)
Select	limit(int limit)
Select	limitParameter(String name)
Select	offset(int offset)
Select	offsetParameter(String name)
Select	orderBy(String column)
Select	orderBy(String column, Select.OrderByDirection direction)
void	setExcludeUnsupportedCapabilities(boolean flag)
protected void	setLimitParameter(String limitParameter)
protected void	setOffsetParameter(String offsetParameter)
Select	tableSubselect(Select query)
String	toString()
Select	union(String union)
Select	union(Select union)
Select	unionAll(String union)
Select	unionAll(Select union)

Methods inherited from class rife.database.queries.AbstractWhereQuery

getWhere, startWhere, startWhereAnd, startWhereOr, where, where, where, where, where, whereAnd, whereAnd, whereAnd, whereAnd, whereExcluded, whereFiltered, whereIncluded, whereOr, whereOr, whereOr, whereOr, whereParameter, whereParameter, whereParameterAnd, whereParameterAnd, whereParameterOr, whereParameterOr, whereParameters, whereParametersExcluded, whereSubselect

Methods inherited from class java.lang.Object

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

Methods inherited from interface rife.database.queries.Query

getParameters, setExcludeUnsupportedCapabilities

Field Details

NATURAL

public static final Select.JoinCondition NATURAL

ON

public static final Select.JoinCondition ON

USING

public static final Select.JoinCondition USING

LEFT

public static final Select.JoinType LEFT

RIGHT

public static final Select.JoinType RIGHT

FULL

public static final Select.JoinType FULL

ASC

public static final Select.OrderByDirection ASC

DESC

public static final Select.OrderByDirection DESC

datasource_

protected Datasource datasource_

sql_

protected String sql_

excludeUnsupportedCapabilities_

protected boolean excludeUnsupportedCapabilities_

Constructor Details

Select

public Select(Datasource datasource)

Select

public Select(Datasource datasource,
 Class constrainedClass)

Method Details

clear

public void clear()

Specified by:

clear in interface Query

Overrides:

clear in class AbstractWhereQuery<Select>

clearGenerated

public void clearGenerated()

getHint

public String getHint()

getFields

public Collection<String> getFields()

isDistinct

public boolean isDistinct()

getDistinctOn

public Collection<String> getDistinctOn()

getFrom

public String getFrom()

getJoins

public Collection<Select.Join> getJoins()

getGroupBy

public Collection<String> getGroupBy()

getHaving

public Collection<String> getHaving()

getUnions

public Collection<Select.Union> getUnions()

getOrderBy

public Collection<Select.OrderBy> getOrderBy()

getLimit

public int getLimit()

getOffset

public int getOffset()

getTemplate

protected Template getTemplate()

getCapabilities

public rife.database.capabilities.Capabilities getCapabilities()

Specified by:

getCapabilities in interface Query

getSql

public String getSql()
              throws DbQueryException

Specified by:

getSql in interface Query

Throws:

DbQueryException

hint

public Select hint(String hint)

field

public Select field(String field)

field

public Select field(String alias,
 Select query)

fields

public Select fields(Class beanClass)
              throws DbQueryException

Throws:

DbQueryException

fieldsExcluded

public Select fieldsExcluded(Class beanClass,
 String... excludedFields)
                      throws DbQueryException

Throws:

DbQueryException

fields

public Select fields(String table,
 Class beanClass)
              throws DbQueryException

Throws:

DbQueryException

fieldsExcluded

public Select fieldsExcluded(String table,
 Class beanClass,
 String... excludedFields)
                      throws DbQueryException

Throws:

DbQueryException

fields

public Select fields(String... fields)

distinct

public Select distinct()

distinctOn

public Select distinctOn(String column)

distinctOn

public Select distinctOn(String... columns)

from

public Select from(String from)

from

public Select from(Select query)

from

public Select from(String alias,
 Select query)

join

public Select join(String table)

join

public Select join(String alias,
 Select query)

joinCustom

public Select joinCustom(String customJoin)

joinCross

public Select joinCross(String table)

joinInner

public Select joinInner(String table,
 Select.JoinCondition condition,
 String conditionExpression)

joinOuter

public Select joinOuter(String table,
 Select.JoinType type,
 Select.JoinCondition condition,
 String conditionExpression)

fieldSubselect

public Select fieldSubselect(Select query)

tableSubselect

public Select tableSubselect(Select query)

groupBy

public Select groupBy(String groupBy)

groupBy

public Select groupBy(Class beanClass)
               throws DbQueryException

Throws:

DbQueryException

groupByExcluded

public Select groupByExcluded(Class beanClass,
 String... excludedFields)
                       throws DbQueryException

Throws:

DbQueryException

having

public Select having(String having)

union

public Select union(String union)

union

public Select union(Select union)
             throws DbQueryException

Throws:

DbQueryException

unionAll

public Select unionAll(String union)

unionAll

public Select unionAll(Select union)
                throws DbQueryException

Throws:

DbQueryException

orderBy

public Select orderBy(String column)

orderBy

public Select orderBy(String column,
 Select.OrderByDirection direction)

limit

public Select limit(int limit)

limitParameter

public Select limitParameter(String name)

offset

public Select offset(int offset)

isLimitBeforeOffset

protected boolean isLimitBeforeOffset()

offsetParameter

public Select offsetParameter(String name)

clone

public Select clone()

Overrides:

clone in class AbstractWhereQuery<Select>

addWhereParameters

void addWhereParameters(List<String> parameters)

_fieldSubselect

protected void _fieldSubselect(Select query)

_tableSubselect

protected void _tableSubselect(Select query)

_whereSubselect

protected void _whereSubselect(Select query)

_unionSubselect

protected void _unionSubselect(Select query)

getParameters

public QueryParameters getParameters()

Specified by:

getParameters in interface Query

addFieldParameter

protected void addFieldParameter(String field)

clearWhereParameters

protected void clearWhereParameters()

addWhereParameter

protected void addWhereParameter(String field)

getWhereParameters

protected List<String> getWhereParameters()

addWhereParameters

public void addWhereParameters(List<String> parameters)

setLimitParameter

protected void setLimitParameter(String limitParameter)

getLimitParameter

public String getLimitParameter()

setOffsetParameter

protected void setOffsetParameter(String offsetParameter)

getOffsetParameter

public String getOffsetParameter()

getDatasource

public Datasource getDatasource()

setExcludeUnsupportedCapabilities

public void setExcludeUnsupportedCapabilities(boolean flag)

Specified by:

setExcludeUnsupportedCapabilities in interface Query

toString

public String toString()

Overrides:

toString in class Object