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Boolean variable picked up as smallint while packaging



When packaging a Product rule along with an associated class and instance, a PostgreSQL boolean column is exported as smallint. This causes the subsequent import to fail.

Error Messages

Save Failed: Database-General Cannot write property 'abc' to a decimal column -- it's value, "false", is not a decimal import

Steps to Reproduce

  1. Create a table and a column of type Boolean in the database.
  2. Insert some records in the table.
  3. Create a class in the application and associate it with the database table using the Data-Admin-DB-Table instance.
  4. Create a Product rule that includes this class and instance.
  5. Import the Product rule on a new instance

Root Cause

A software use or operation error.

A boolean type column is created for the PostgreSQL. As a result, the error occurs when the Data-Admin-DB-Table is packaged and imported.


An enhancement request, FDBK-26226, is created for consideration by Pega Product Management.

Perform the following local-change to render boolean data type as represented by the Pega application:

Use 'character varying (5)' data type and the strings 'true' and 'false' to represent a boolean value.


Published July 23, 2018 - Updated October 8, 2020

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