Package io.github.torand.fastersql.setoperation

Class SetOperation

java.lang.Object

io.github.torand.fastersql.setoperation.SetOperation

All Implemented Interfaces:

Sql

public class SetOperation
extends Object
implements Sql

Implements a set operation.

Constructor Summary

Constructors

Constructor	Description
SetOperation(SelectStatement operand, SetOperator operator)	Creates a set operation clause.

Method Summary

Modifier and Type	Method	Description
Stream<ColumnAlias>	aliasRefs()	Gets the column aliases referenced by this fragment.
SetOperation	all()	Specifies that this is a natural set operation, i.e. not excluding duplicates.
Stream<Column>	columnRefs()	Gets the columns referenced by this fragment.
SelectStatement	operand()	Gets the operand of this set operation.
Stream<Object>	params(Context context)	Gets the statement parameters introduced by this fragment.
String	sql(Context context)	Formats object as an SQL fragment.

Methods inherited from class java.lang.Object

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

Constructor Details

SetOperation

public SetOperation(SelectStatement operand,
 SetOperator operator)

Creates a set operation clause.

Parameters:

operand - the SELECT statement operand.

operator - the set operator applied.

Method Details

all

public SetOperation all()

Specifies that this is a natural set operation, i.e. not excluding duplicates.

Returns:

the modified set operation.

operand

public SelectStatement operand()

Gets the operand of this set operation.

Returns:

the operand.

sql

public String sql(Context context)

Description copied from interface: Sql

Formats object as an SQL fragment.

Specified by:

sql in interface Sql

Parameters:

context - the context (incl. dialect).

Returns:

the formatted SQL fragment.

params

public Stream<Object> params(Context context)

Description copied from interface: Sql

Gets the statement parameters introduced by this fragment.

Specified by:

params in interface Sql

Parameters:

context - the context (incl. dialect).

Returns:

the statement parameters.

columnRefs

public Stream<Column> columnRefs()

Description copied from interface: Sql

Gets the columns referenced by this fragment. For validation purposes.

Specified by:

columnRefs in interface Sql

Returns:

the columns referenced by this fragment.

aliasRefs

public Stream<ColumnAlias> aliasRefs()

Description copied from interface: Sql

Gets the column aliases referenced by this fragment. For validation purposes.

Specified by:

aliasRefs in interface Sql

Returns:

the column aliases referenced by this fragment.