org.sql.generation.api.grammar.builders.query

Interface ColumnsBuilder

All Superinterfaces:

AbstractBuilder<SelectColumnClause>

public interface ColumnsBuilder
extends AbstractBuilder<SelectColumnClause>

This builder builds the columns for SELECT statement.

Author:

Stanislav Muhametsin

See Also:

SelectColumnClause, QuerySpecification, ColumnReference

Method Summary

Methods

Modifier and Type	Method and Description
ColumnsBuilder	addNamedColumns(ColumnReferences.ColumnReferenceInfo... namedColumns) Add columns with aliases to this SELECT statement.
ColumnsBuilder	addUnnamedColumns(ColumnReference... columns) Adds columns without aliases to this SELECT statement.
List<ColumnReferences.ColumnReferenceInfo>	getColumns() Returns the columns of this SELECT statement.
SetQuantifier	getSetQuantifier() Returns the set quantifier (ALL or DISTINCT) of this SELECT statement.
ColumnsBuilder	selectAll() Marks that all columns should be selected (SELECT *).
ColumnsBuilder	setSetQuantifier(SetQuantifier newSetQuantifier) Sets the set quantifier (ALL or DISTINCT) for this SELECT statement.

Methods inherited from interface org.sql.generation.api.grammar.builders.AbstractBuilder

createExpression

Method Detail

addUnnamedColumns

ColumnsBuilder addUnnamedColumns(ColumnReference... columns)

Adds columns without aliases to this SELECT statement.

Parameters:

columns - Columns without aliases to add to this SELECT statement.

Returns:

This builder.

addNamedColumns

ColumnsBuilder addNamedColumns(ColumnReferences.ColumnReferenceInfo... namedColumns)

Add columns with aliases to this SELECT statement.

Parameters:

namedColumns - Columns with aliases to add to this SELECT statement.

Returns:

setSetQuantifier

ColumnsBuilder setSetQuantifier(SetQuantifier newSetQuantifier)

Sets the set quantifier (ALL or DISTINCT) for this SELECT statement.

Parameters:

newSetQuantifier - The new set quantifier.

Returns:

This builder.

See Also:

SetQuantifier

selectAll

ColumnsBuilder selectAll()

Marks that all columns should be selected (SELECT *). This will empty a list of columns to select.

Returns:

This builder.

getColumns

List<ColumnReferences.ColumnReferenceInfo> getColumns()

Returns the columns of this SELECT statement. It returns empty by default, or after calling selectAll() method.

Returns:

A list of columns of this SELECT statement. Might be empty.

getSetQuantifier

SetQuantifier getSetQuantifier()

Returns the set quantifier (ALL or DISTINCT) of this SELECT statement.

Returns:

The set quantifier of this SELECT statement.