IBM Support

Connections to Db2 I Series using JT400 describe BOOLEAN types in a result set as CHARACTER

Troubleshooting


Problem

A query to Db2 i Series includes a BOOLEAN column or expression which is described by the driver as a CHARACTER data type.

Symptom

The Resultset returned by the JDBC driver describes a BOOLEAN column as a CHARACTER type.

JDBC driver returns DatabaseMetadata which has the wrong version of Db2.

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"ARM Category":[{"code":"a8m50000000Cl3zAAC","label":"Administration"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
15 January 2026

UID

ibm17157855