Servoy 7.x.x Documentation
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Property Summary
QBTableClause parent
Get query builder parent table clause, this may be a query or a join clause.
QBSelect root
Get query builder parent.



Method Summary
QBJoin add(dataSource)
Add a join with join type IQueryBuilderJoin#LEFT_OUTER_JOIN and no alias for the joining table.
QBJoin add(dataSource, joinType)
Add a join with no alias for the joining table.
QBJoin add(dataSource, joinType, alias)
Add a join clause from the parent query builder part to the specified data source.
QBJoin add(dataSourceOrRelation, alias)
Add a join based on relation or add a manual join.



Property Details

parent
Get query builder parent table clause, this may be a query or a join clause.

Returns

QBTableClause

Sample

/** @type {QBSelect<db:/example_data/person>} */
	var query = databaseManager.createSelect('db:/example_data/person')
	query.where.add(query.joins.person_to_parent.joins.person_to_parent.columns.name.eq('john'))
	foundset.loadRecords(query)
 

root
Get query builder parent.

Returns

QBSelect

Sample

/** @type {QBSelect<db:/example_data/order_details>} */
	var subquery = databaseManager.createSelect('db:/example_data/order_details')

 /** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
	query.where.add(query
		.or
			.add(query.columns.order_id.not.isin([1, 2, 3]))

			.add(query.exists(
					subquery.where.add(subquery.columns.orderid.eq(query.columns.order_id)).root
			))
		)

	foundset.loadRecords(query)
 



Method Details

add
QBJoin add (dataSource)
Add a join with join type IQueryBuilderJoin#LEFT_OUTER_JOIN and no alias for the joining table.

Parameters

{String} dataSource - data source

Returns

QBJoin

Sample

/** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
 /** @type {QBJoin<db:/example_data/order_details>} */
	var join = query.joins.add('db:/example_data/order_details', JSRelation.INNER_JOIN, 'odetail')
	join.on.add(join.columns.orderid.eq(query.columns.orderid))
 // to add a join based on a relation, use the relation name
 var join2 = query.joins.add('orders_to_customers', 'cust')
	query.where.add(join2.columns.customerid.eq(999))
	foundset.loadRecords(query)
 

add
QBJoin add (dataSource, joinType)
Add a join with no alias for the joining table.

Parameters

{String} dataSource - data source
{Number} joinType - join type, one of JSRelation.LEFT_OUTER_JOIN, JSRelation.INNER_JOIN, JSRelation.RIGHT_OUTER_JOIN, JSRelation.FULL_JOIN

Returns

QBJoin

Sample

/** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
 /** @type {QBJoin<db:/example_data/order_details>} */
	var join = query.joins.add('db:/example_data/order_details', JSRelation.INNER_JOIN, 'odetail')
	join.on.add(join.columns.orderid.eq(query.columns.orderid))
 // to add a join based on a relation, use the relation name
 var join2 = query.joins.add('orders_to_customers', 'cust')
	query.where.add(join2.columns.customerid.eq(999))
	foundset.loadRecords(query)
 

add
QBJoin add (dataSource, joinType, alias)
Add a join clause from the parent query builder part to the specified data source.

Parameters

{String} dataSource - data source
{Number} joinType - join type, one of IQueryBuilderJoin#LEFT_OUTER_JOIN, IQueryBuilderJoin#INNER_JOIN, IQueryBuilderJoin#RIGHT_OUTER_JOIN, IQueryBuilderJoin#FULL_JOIN
{String} alias - the alias for joining table

Returns

QBJoin

Sample

/** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
 /** @type {QBJoin<db:/example_data/order_details>} */
	var join = query.joins.add('db:/example_data/order_details', JSRelation.INNER_JOIN, 'odetail')
	join.on.add(join.columns.orderid.eq(query.columns.orderid))
 // to add a join based on a relation, use the relation name
 var join2 = query.joins.add('orders_to_customers', 'cust')
	query.where.add(join2.columns.customerid.eq(999))
	foundset.loadRecords(query)
 

add
QBJoin add (dataSourceOrRelation, alias)
Add a join based on relation or add a manual join.
When dataSourceOrRelation is a relation name, a join will be added based on the relation.
When dataSourceOrRelation is a data source, an empty join will be added with join type IQueryBuilderJoin#LEFT_OUTER_JOIN.

Parameters

{String} dataSourceOrRelation - data source
{String} alias - the alias for joining table

Returns

QBJoin

Sample

/** @type {QBSelect<db:/example_data/orders>} */
	var query = databaseManager.createSelect('db:/example_data/orders')
 /** @type {QBJoin<db:/example_data/order_details>} */
	var join = query.joins.add('db:/example_data/order_details', JSRelation.INNER_JOIN, 'odetail')
	join.on.add(join.columns.orderid.eq(query.columns.orderid))
 // to add a join based on a relation, use the relation name
 var join2 = query.joins.add('orders_to_customers', 'cust')
	query.where.add(join2.columns.customerid.eq(999))
	foundset.loadRecords(query)
 



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