パッケージ org.nkjmlab.sorm4j.sql.helper

インタフェース SelectStringBuilder

public interface SelectStringBuilder

API of creates a select SQL statement.

作成者:

nkjm

ネストされたクラスの概要

ネストされたクラス

修飾子とタイプ	インタフェース	説明
static class	SelectStringBuilder.Condition	Value object represents conditions of where clause or having clause.
static class	SelectStringBuilder.OrderBy	Value object for order by clause.

メソッドの概要

修飾子とタイプ	メソッド	説明
static SelectStringBuilder.Condition	and(Object... conds)	Creates AND condition with concatenating arguments.
static String	as(String col, String alias)	Creates AS alias.
String	build()	Creates a select SQL statement from the objects.
static SelectStringBuilder.Condition	cond(String cond)	Creates SelectStringBuilder.Condition instance.
static SelectStringBuilder.Condition	cond(String left, String op, String right)
static SelectStringBuilder	create()	Create SelectStringBuilder object.
SelectStringBuilder	distinct()	Add distinct keyword to SQL.
SelectStringBuilder	from(String table)	Create from clause.
SelectStringBuilder	groupBy(String... columns)	Create group by clause.
SelectStringBuilder	having(String expr)	Create having clause.
SelectStringBuilder	having(SelectStringBuilder.Condition condition)	Create having clause with the given SelectStringBuilder.Condition.
SelectStringBuilder	limit(int limit)	Create limit clause.
SelectStringBuilder	limit(int limit, int offset)	Create limit clause with offset.
static SelectStringBuilder.Condition	or(Object... conds)	Creates OR condition with concatenating arguments.
static SelectStringBuilder.OrderBy	order(String column, String ascOrDesc)	Create SelectStringBuilder.OrderBy objects.
SelectStringBuilder	orderBy(String column, String ascOrDesc)	Create order by clause.
SelectStringBuilder	orderBy(SelectStringBuilder.OrderBy... orderBys)	Create order by clause.
SelectStringBuilder	select(String... columns)	Create select clause.
String	toPrettyString()	Create prettified string.
String	toPrettyString(boolean prettyPrint)	Create prettified or plain string.
SelectStringBuilder	where(String expr)	Create where clause.
SelectStringBuilder	where(SelectStringBuilder.Condition condition)	Create where clause.

メソッドの詳細

and

static SelectStringBuilder.Condition and(Object... conds)

Creates AND condition with concatenating arguments.

For example,

 and("id=?", "name=?") returns "id=? and name=?"
 

パラメータ:

conds - condition in String or Condition

戻り値:

as

static String as(String col,
                 String alias)

Creates AS alias.

For example,

 as("avg(score)", "avg_score")  returns "avg(score) as avg_score"
 

cond

static SelectStringBuilder.Condition cond(String cond)

Creates SelectStringBuilder.Condition instance.

For example,

 and(cond("id=?"), "name=?")  returns "id=? and name=?"
 

cond

static SelectStringBuilder.Condition cond(String left,
                                          String op,
                                          String right)

create

static SelectStringBuilder create()

Create SelectStringBuilder object.

戻り値:

or

static SelectStringBuilder.Condition or(Object... conds)

Creates OR condition with concatenating arguments.

For example,

 or("id=?", "name=?") returns "id=? or name=?"
 

order

static SelectStringBuilder.OrderBy order(String column,
                                         String ascOrDesc)

Create SelectStringBuilder.OrderBy objects.

パラメータ:

column -

ascOrDesc -

戻り値:

build

String build()

Creates a select SQL statement from the objects.

戻り値:

distinct

SelectStringBuilder distinct()

Add distinct keyword to SQL.

from

SelectStringBuilder from(String table)

Create from clause.

 from("player") returns "from player"
 

パラメータ:

table -

戻り値:

groupBy

SelectStringBuilder groupBy(String... columns)

Create group by clause.

パラメータ:

columns -

戻り値:

having

SelectStringBuilder having(SelectStringBuilder.Condition condition)

Create having clause with the given SelectStringBuilder.Condition.

パラメータ:

condition -

戻り値:

having

SelectStringBuilder having(String expr)

Create having clause.

パラメータ:

expr -

戻り値:

limit

SelectStringBuilder limit(int limit)

Create limit clause.

パラメータ:

limit -

戻り値:

limit

SelectStringBuilder limit(int limit,
                          int offset)

Create limit clause with offset.

パラメータ:

limit -

戻り値:

orderBy

SelectStringBuilder orderBy(SelectStringBuilder.OrderBy... orderBys)

Create order by clause.

パラメータ:

orderBys -

戻り値:

orderBy

SelectStringBuilder orderBy(String column,
                            String ascOrDesc)

Create order by clause.

パラメータ:

column -

ascOrDesc -

戻り値:

select

SelectStringBuilder select(String... columns)

Create select clause. The default value is "*".

For example,

 select("id","name","age") returns "select id, name, age"
 

パラメータ:

columns -

戻り値:

toPrettyString

String toPrettyString()

Create prettified string.

戻り値:

toPrettyString

String toPrettyString(boolean prettyPrint)

Create prettified or plain string.

パラメータ:

prettyPrint -

戻り値:

where

SelectStringBuilder where(SelectStringBuilder.Condition condition)

Create where clause.

パラメータ:

condition -

戻り値:

where

SelectStringBuilder where(String expr)

Create where clause.

パラメータ:

expr -

戻り値: