Lukas Eder • 3/2/2023

How to use jOOQ’s Converters with UNION Operations

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This technical article details a specific issue when using jOOQ's ad-hoc converters within SQL UNION operations. It explains that since converters run client-side, the RDBMS is unaware of them, which can cause the converter to be ignored if only applied to later subqueries. The post provides clear examples of the problem and offers solutions to ensure consistent type conversion across all UNION subqueries.

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#jdbc #Type Conversion #Jooq
How to use jOOQ’s Converters with UNION Operations

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