Property Summary | |
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QBLogicalCondition | and Create an AND-condition to add conditions to. |
QBColumns | columns Get columns from query |
QBFunctions | functions Get the functions clause from a query, used for functions that are not tied to a column. |
QBGroupBy | groupBy Get the group by clause from a query |
QBLogicalCondition | having Get the having-part of the query, used to add conditions. |
QBJoins | joins Get the joins clause of this table based clause. |
QBLogicalCondition | or Create an OR-condition to add conditions to. |
QBParameters | params Get the named parameters from a query. |
QBTableClause | parent Get query builder parent table clause, this may be a query or a join clause. |
QBResult | result Get the result part of the query, used to add result columns or values. |
QBSelect | root Get query builder parent. |
QBSorts | sort Get the sorting part of the query. |
QBWhereCondition | where Get the where-part of the query, used to add conditions. |
Method Summary | |
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QBSelect | clearHaving() Clear the having-part of the query. |
QBCondition | exists() Get an exists-condition from a subquery |
QBColumn | getColumn(name) Get a column from the table. |
QBColumn | getColumn(columnTableAlias, name) Get a column from the table with given alias. |
QBParameter | getParameter() Get or create a parameter for the query, this used to parameterize queries. |
QBCondition | not(cond) Create an negated condition. |
QBCondition | not(cond) Create an negated condition. |
Property Details |
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and |
Create an AND-condition to add conditions to.
|
Returns |
Samplequery.where.add( query.or .add( query.and .add(query.columns.flag.eq(1)) .add(query.columns.order_date.isNull) ) .add( query.and .add(query.columns.flag.eq(2)) .add(query.column.order_date.gt(new Date())) ) ); |
columns |
Get columns from query
|
Returns |
Samplefoundset.getQuery().columns |
functions |
Get the functions clause from a query, used for functions that are not tied to a column.
|
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') //$NON-NLS-1$ query.where.add(query.columns.shipname.upper.eq(query.functions.upper('servoy'))) //$NON-NLS-1$ foundset.loadRecords(query) |
groupBy |
Get the group by clause from a query
|
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') query.groupBy.addPk() // have to group by on pk when using having-conditions in (foundset) pk queries .root.having.add(query.joins.orders_to_order_details.columns.quantity.count.eq(0)) foundset.loadRecords(query) |
having |
Get the having-part of the query, used to add conditions.
The conditions added here are AND-ed. |
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') query.groupBy.addPk() // have to group by on pk when using having-conditions in (foundset) pk queries .root.having.add(query.joins.orders_to_order_details.columns.quantity.count.eq(0)) foundset.loadRecords(query) |
joins |
Get the joins clause of this table based clause.
Joins added to this clause will be based on this table clauses table. |
Returns |
Samplefoundset.getQuery().joins |
or |
Create an OR-condition to add conditions to.
|
Returns |
Samplequery.where.add( query.or .add( query.and .add(query.columns.flag.eq(1)) .add(query.columns.order_date.isNull) ) .add( query.and .add(query.columns.flag.eq(2)) .add(query.column.order_date.gt(new Date())) ) ); |
params |
Get the named parameters from a query.
|
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') query.where.add(query.columns.contact_id.eq(query.getParameter('mycontactid'))) // load orders where contact_id = 100 query.params['mycontactid'] = 100 foundset.loadRecords(query) // load orders where contact_id = 200 query.params['mycontactid'] = 200 foundset.loadRecords(query) |
parent |
Get query builder parent table clause, this may be a query or a join clause.
|
Returns |
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) |
result |
Get the result part of the query, used to add result columns or values.
|
Returns |
Samplequery.result.add(query.columns.company_id).add(query.columns.customerid) |
root |
Get query builder parent.
|
Returns |
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) |
sort |
Get the sorting part of the query.
|
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') query.sort .add(query.joins.orders_to_order_details.columns.quantity.desc) .add(query.columns.companyid) foundset.loadRecords(query) |
where |
Get the where-part of the query, used to add conditions.
The conditions added here are AND-ed. |
Returns |
Samplevar query = foundset.getQuery() query.where.add(query.columns.flag.eq(1)) |
Method Details |
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clearHaving |
QBSelect clearHaving () |
Clear the having-part of the query.
|
Returns |
Samplevar q = foundset.getQuery() q.where.add(q.columns.x.eq(100)) query.groupBy.clear.root.clearHaving() foundset.loadRecords(q); |
exists |
QBCondition exists () |
Get an exists-condition from a subquery
|
Returns |
Samplefoundset.query.where.add(query.exists(query2)) |
getColumn |
QBColumn getColumn (name) |
Get a column from the table.
|
Parameters {String} name - the name of column to get
|
Returns |
Samplefoundset.getQuery().getColumn('orderid') |
getColumn |
QBColumn getColumn (columnTableAlias, name) |
Get a column from the table with given alias.
The alias may be of the main table or any level deep joined table. |
Parameters |
Returns |
Samplefoundset.getQuery().getColumn('orderid', 'opk') |
getParameter |
QBParameter getParameter () |
Get or create a parameter for the query, this used to parameterize queries.
|
Returns |
Sample/** @type {QBSelect<db:/example_data/orders>} */ var query = databaseManager.createSelect('db:/example_data/orders') query.where.add(query.columns.contact_id.eq(query.getParameter('mycontactid'))) // load orders where contact_id = 100 query.params['mycontactid'] = 100 foundset.loadRecords(query) // load orders where contact_id = 200 query.params['mycontactid'] = 200 foundset.loadRecords(query) |
not |
QBCondition not (cond) |
Create an negated condition.
|
Parameters {QBCondition} cond - the condition to negate
|
Returns |
Samplefoundset.query.where.add(query.not(query.columns.flag.eq(1))) |
not |
QBCondition not (cond) |
Create an negated condition.
|
Parameters {QBLogicalCondition} cond - the logical condition to negate
|
Returns |
Samplefoundset.query.where.add(query.not(query.columns.flag.eq(1))) |