xref: /AOO41X/main/offapi/com/sun/star/sdb/XSQLQueryComposer.idl (revision d1766043198e81d0bcfc626e12893e7b4d7e31ca)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
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#ifndef __com_sun_star_sdb_XSQLQueryComposer_idl__
#define __com_sun_star_sdb_XSQLQueryComposer_idl__

#ifndef __com_sun_star_beans_XPropertySet_idl__
#include <com/sun/star/beans/XPropertySet.idl>
#endif

#ifndef __com_sun_star_beans_PropertyValue_idl__
#include <com/sun/star/beans/PropertyValue.idl>
#endif

#ifndef __com_sun_star_sdbc_SQLException_idl__
#include <com/sun/star/sdbc/SQLException.idl>
#endif

//=============================================================================

 module com {  module sun {  module star {  module sdb {

//=============================================================================

/** should be provided by a tool which simplifies the handling with SQL select statements.

	<p>
	The interface can be used for composing SELECT statements without knowing the
	structure of the used query.
	</p>
 */
published interface XSQLQueryComposer: com::sun::star::uno::XInterface
{

	/** returns the query used for composing.
		@returns
			the query
	 */
	string getQuery();
	//-------------------------------------------------------------------------

	/** sets a new query for the composer, which may be expanded by filters
		and sort criteria.
		@param command
			the command to set
		@throws com::sun::star::sdbc::SQLException
			if a database access error occurs.
	 */
	void setQuery([in] string command )
			raises (com::sun::star::sdbc::SQLException);
	//-------------------------------------------------------------------------

	/** returns the query composed with filters and sort criterias.
		@returns
			the composed query
	 */
	string getComposedQuery();
	//-------------------------------------------------------------------------

	/** returns the currently used filter.

		<p>
		The filter criteria returned is part of the where condition of the
		select command, but it does not contain the where token.
		</p>
		@returns
			the filter
	 */
	string getFilter();
	//-------------------------------------------------------------------------

	/** returns the currently used filter.
			 <p>
			 The filter criteria is split into levels. Each level represents the
			 OR criterias. Within each level, the filters are provided as an AND criteria
			 with the name of the column and the filter condition. The filter condition
			 is of type string.
			 </p>
		@returns
			the structured filter
	 */
	sequence< sequence<com::sun::star::beans::PropertyValue> >
		getStructuredFilter();
	//-------------------------------------------------------------------------

	/** returns the currently used sort order.


		<p>
		The order criteria returned is part of the ORDER BY clause of the
		select command, but it does not contain the ORDER BY keyword .
		</p>
		@returns
			the order
	 */
	string getOrder();
	//-------------------------------------------------------------------------

	/** appends a new filter condition by a
		<type scope="com::sun::star::sdb">DataColumn</type>
		providing the name and the value for the filter.
		@param column
			the column which is used to create a filter
		@throws com::sun::star::sdbc::SQLException
			if a database access error occurs.
	 */
	void appendFilterByColumn([in] com::sun::star::beans::XPropertySet column)
			raises (com::sun::star::sdbc::SQLException);
	//-------------------------------------------------------------------------

	/** appends an additional part to the sort order criteria of the select
		statement.
		@param column
			the column which is used to create a order part
		@param	ascending
			<TRUE/> when the order should be ascending, otherwise <FALSE/>
		@throws com::sun::star::sdbc::SQLException
			if a database access error occurs.
	 */
	void appendOrderByColumn([in] com::sun::star::beans::XPropertySet column,
			 				 [in] boolean ascending)
			raises (com::sun::star::sdbc::SQLException);
	//-------------------------------------------------------------------------

	/** makes it possible to set a filter condition	for the query.
		@param filter
			the filter to set
		@throws com::sun::star::sdbc::SQLException
			if a database access error occurs.
	 */
	void setFilter([in] string filter)
			raises (com::sun::star::sdbc::SQLException);
	//-------------------------------------------------------------------------

	/** makes it possibile to set a sort condition for the query.
		@param order
			the order part to set
		@throws com::sun::star::sdbc::SQLException
			if a database access error occurs.
	 */
	void setOrder([in] string order)
			raises (com::sun::star::sdbc::SQLException);
};

//=============================================================================

}; }; }; };

/*=============================================================================

=============================================================================*/
#endif