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Alternative:
Starting in V5.3, if your application needs to perform a simple
save operation against an external database, it is best
practice to use the Connector and Metadata Accelerator to
configure access to the rows as an external class. When such external access is
configured for an external table, you can use the Obj-Open,
Obj-Browse, and other Obj- methods to interact with that table
through a class that represents it; you do not need to create
SQL connector rules. See About generating connector rules.
However, you can still use the Save tab to enter the SQL statement that saves
an instance to the database.
However, you can still use the Open tab to enter a SQL statement that opens a single row in the database and copies its column values as properties onto a clipboard page. To execute the SQL statement on this tab, an activity uses the RDB-Open method.
As a best practice, include only one SQL statement on this tab. If your situation
requires multiple statements, place one statement each in
separate Connect SQL rules. Your activity can cause the
statements to be executed in the desired sequence. If your situation requires many statements executed in sequence, consider using a stored procedure.
If the
SELECT
statement when executed causes no rows to be retrieved,
or more than one row to be retrieved, the RDB-Open
method produces a fail status, and no properties are added to
the step page. Complete the
Browse tab, not the Open tab, if you want to search the database in
a way that may result in none, one, or multiple matches.
The IBM DB2 data type
DATE
does not directly correspond to any Process
Commander property type. Use syntax similar to the following as
a workaround:
SELECT TIMESTAMP(RPT_DATE, '00.00.00') AS ".RPT_DATE"
Properties retrieved by
browsing an external database are not tracked for changes by
Declare Expression processing.
Field |
Description |
Open SQL |
Follow the guidelines in Data Mapping in SQL. Enter a
single SQL statement directly into the text box.
Typically this tab contains a The results of the RDB-Open method are properties and values added to the step page (of the step that contains the RDB-Open method) for the selected row. (If the Step Page column of that step is blank, the system uses the primary page of the activity.) |
Error Handler Flow |
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Test Connectivity |
After you save this rule, you can click to confirm connectivity to the database. No database operations are performed. See More about Connect SQL rules. |