Query Editor window

This window appears when you right-click the Queries node, select Add Query from the shortcut menu, input a name for the new query and then click OK, or right-click a query and click Edit Query on its shortcut menu in the Catalog Browser. It helps you to edit a query. See the window.

The following are details about options in the window:

Query Menu

Apply
Accepts the changes on the query.
Save As
Saves the query with the name you specify.
Add Table
Opens the Add table dialog to add tables from the current catalog to the query.
Delete Table
Deletes the selected table.
Union
Creates and modifies a union for the query.
Filter
Opens the Search Condition dialog to specify more criteria to limit the amount of data.
Select Distinct
When selected, in the SQL statement, the SELECT DISTINCT command will be used instead of SELECT.
Ignore Predicate If Parameter Value Is Null
If the query uses a parameter, and the parameter value is null at runtime, then this condition will be removed from the query's criterion.
For string type parameters, when the value is left blank, if Ignore Predicate If Parameter Is Null is set to true, the value of this parameter will be considered as NULL, and this predicate will not appear in the WHERE clause; if false, it will be treated as an empty string(¡®¡¯).
Customized SQL Mode
Specifies whether to use the customized SQL mode, in which JReport will disable all the functions in the Query Editor and you can only edit the query by modifying the SQL statement in the SQL window.
Arrange Tables
Organizes the tables in the query.
Show Mapping Names
Specifies to show the full names of the columns in the tables in the criteria panel of the Query Editor.
Show Table Names
Specifies to show which table each column belongs to in the criteria panel of the Query Editor.
Show Paths
Specifies to show information of the pre-join paths among tables in the query, when the pre-join feature is enabled.
Join Columns
Specifies to join the highlighted columns in tables together.
Auto Join
Specifies to join tables together based upon the default criteria set in the Options dialog (File > Options > Query Editor > Auto Join). You can also reset the criteria to join tables in the query by checking/unchecking the items on the Auto Join submenu.
- Foreign Keys
  Specifies to automatically join tables in the query through a reference from Table A to a primary key in Table B. For example, an order form in Table A shows information on purchases that are made by a customer. It can also show this customer's ID #. The customer ID # refers to a record in Table B which lists a specific address, phone number, name, etc for the customer. The customer ID # in Table A is a foreign key because it links the customer's ordering information in Table A to the customer's information in Table B.
- Primary Key with Same Names
  Specifies to automatically join tables in the query through a field or a combination of fields that uniquely and specifically identifies a record. For example, your credit card number is a primary key because it specifically links to your birthday, credit history, address, etc.
- Same Column Names
  Specifies to automatically join tables in the query through a link between two columns of the same name in two different tables.
Current Query Options
Opens the Query Option dialog to change Auto Join and showing options.

Column menu

Create Computed Column
Opens the Create Computed Column dialog to create functions used for a particular query. It helps you to quickly and easily create columns with the functions available instead of writing a formula.
Add Formula Field
Opens the Add Formula Field dialog to add formulas to the query.
Delete Column
Deletes the selected column in the Criteria menu. To undelete, find the field in the table you deleted and place a check mark beside it.

View menu

Edit SQL
Shows the SQL statement of the query.
Preview
Opens the Preview Option dialog to preview the records.

Help menu

Query Editor Help
Displays this help document.

Toolbar

The following are commands on the toolbar:

Add Table
Opens the Add table dialog to add some extra tables to the query.
Delete Table
Removes some unwanted tables from the query.
Create Computed Column
The create functions are used for a particular query. It helps you to quickly and easily create columns with the functions available instead of writing a formula.
Add Formula Field
Opens the Add Formula Field dialog to add formulas to the query.
Delete Column
Removes some unwanted columns from a table.
Arrange
Organizes joined or auto joined tables.
Preview
Opens the Preview Option dialog to preview the records.