Package org.queryman.builder.command.impl

Class FromImpl

java.lang.Object

org.queryman.builder.command.impl.FromImpl

All Implemented Interfaces:

AstVisitor, From, FromFinalStep, FromFirstStep, FromRepeatableStep, FromTablesampleStep

public class FromImpl
extends java.lang.Object
implements From, FromFirstStep, FromTablesampleStep, FromRepeatableStep, FromFinalStep, AstVisitor

Standard implementation of FROM statement.

Constructor Summary

Constructors

Constructor	Description
FromImpl(Expression tableName)
FromImpl(Expression tableName, boolean only)

Method Summary

Modifier and Type	Method	Description
FromImpl	as(java.lang.String alias)	Specify an alias.
void	assemble(AbstractSyntaxTree tree)	Visits SQL query making a tree from its clauses.
FromImpl	repeatable(java.lang.Number seed)	Specify seed to use for generating random numbers within the sampling method.
FromRepeatableStep	tablesample(java.lang.String method, java.lang.String... arguments)	Set sampling method.
FromImpl	tablesample(java.lang.String method, Expression... arguments)	Set sampling method.

Methods inherited from class java.lang.Object

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

Constructor Detail

FromImpl

public FromImpl(Expression tableName)

FromImpl

public FromImpl(Expression tableName,
                boolean only)

Method Detail

assemble

public void assemble(AbstractSyntaxTree tree)

Description copied from interface: AstVisitor

Visits SQL query making a tree from its clauses.

Specified by:

assemble in interface AstVisitor

Parameters:

tree - - abstract syntax tree

as

public final FromImpl as(java.lang.String alias)

Description copied from interface: FromFirstStep

Specify an alias.

Specified by:

as in interface FromFirstStep

tablesample

public FromRepeatableStep tablesample(java.lang.String method,
                                      java.lang.String... arguments)

Description copied from interface: FromTablesampleStep

Set sampling method.

Specified by:

tablesample in interface FromTablesampleStep

Parameters:

method - is a method name.

arguments - are arguments.

See Also:

FromTablesampleStep.tablesample(String, Expression...)

tablesample

public final FromImpl tablesample(java.lang.String method,
                                  Expression... arguments)

Description copied from interface: FromTablesampleStep

Set sampling method.

Specified by:

tablesample in interface FromTablesampleStep

Parameters:

method - is a method name.

arguments - are arguments.

repeatable

public final FromImpl repeatable(java.lang.Number seed)

Description copied from interface: FromRepeatableStep

Specify seed to use for generating random numbers within the sampling method.

Specified by:

repeatable in interface FromRepeatableStep