cn.sj1.tinydb.dbal.jdbc.builders.queries

类 Select

java.lang.Object

cn.sj1.tinydb.dbal.jdbc.builders.queries.Select

所有已实现的接口:

HasSQLRepresentation

public class Select
extends java.lang.Object
implements HasSQLRepresentation

构造器概要

构造器

构造器和说明
Select(cn.sj1.tinydb.dbal.jdbc.builders.queries.Columns columns)
Select(Select select) Create a 'cloned' copy of the given select statement

方法概要

限定符和类型	方法和说明
Select	addColumns(java.lang.String... columns)
Select	addTableAlias(java.lang.String alias) Add alias to original table name in order to remove ambiguity, possibly due to a criteria object trying to add a join.
static Select	all()
static <T extends Column> Select	columns(java.util.List<T> columns)
static Select	columns(java.lang.String... columns)
static Select	columns(java.lang.String columns)
Select	count()
Select	countDistinct(java.lang.String column) Parameter `column` allows yu to specify a specific column to use for your count.
Select	from(java.lang.String table)
Select	from(java.lang.String table, java.lang.String alias)
Select	join(java.lang.String table, java.lang.String on)
Select	limit(int limit)
Select	max(int max)
Select	offset(int offset)
Select	orderby(OrderBy orderby)
Select	orWhere(java.lang.String expression)
Select	orWhere(java.lang.String column, int parametersCount) Generates WHERE IN clause.
Select	outerJoin(java.lang.String table, java.lang.String on)
Select	replaceColumns(java.lang.String... columns)
java.lang.String	toDemoSQL()
Select	where(Condition condition)
Select	where(java.lang.String expression)
Select	where(java.lang.String[] columns)
Select	where(java.lang.String column, int parametersCount) Generates WHERE IN clause.

从类继承的方法 java.lang.Object

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

构造器详细资料

Select

public Select(cn.sj1.tinydb.dbal.jdbc.builders.queries.Columns columns)

Select

public Select(Select select)

Create a 'cloned' copy of the given select statement

参数:

select - Statement to be copied

方法详细资料

all

public static Select all()

columns

public static Select columns(java.lang.String columns)

columns

public static Select columns(java.lang.String... columns)

columns

public static <T extends Column> Select columns(java.util.List<T> columns)

where

public Select where(java.lang.String[] columns)

where

public Select where(Condition condition)

orderby

public Select orderby(OrderBy orderby)

from

public Select from(java.lang.String table)

from

public Select from(java.lang.String table,
                   java.lang.String alias)

addTableAlias

public Select addTableAlias(java.lang.String alias)

Add alias to original table name in order to remove ambiguity, possibly due to a criteria object trying to add a join. For instance: `Select.from("users").addTableAlias("u").toSQL()` will result in: `SELECT * FROM users u`

addColumns

public Select addColumns(java.lang.String... columns)

replaceColumns

public Select replaceColumns(java.lang.String... columns)

count

public Select count()

countDistinct

public Select countDistinct(java.lang.String column)

Parameter `column` allows yu to specify a specific column to use for your count. For instance ``` u.id users.username users.* ```

where

public Select where(java.lang.String expression)

where

public Select where(java.lang.String column,
                    int parametersCount)

Generates WHERE IN clause. `select.where("name", 3)` will generate `AND name IN (?, ?, ?)`

参数:

column - Column name

parametersCount - Count of `?` parameters in the `IN` clause

orWhere

public Select orWhere(java.lang.String expression)

orWhere

public Select orWhere(java.lang.String column,
                      int parametersCount)

Generates WHERE IN clause. `select.where("name", 3)` will generate `OR name IN (?, ?, ?)`

参数:

column - Column name

parametersCount - Count of `?` parameters in the `IN` clause

join

public Select join(java.lang.String table,
                   java.lang.String on)

outerJoin

public Select outerJoin(java.lang.String table,
                        java.lang.String on)

max

public Select max(int max)

limit

public Select limit(int limit)

offset

public Select offset(int offset)

toDemoSQL

public java.lang.String toDemoSQL()

指定者:

toDemoSQL 在接口中 HasSQLRepresentation