Lukas Eder • 8/11/2025

Consider using JSON arrays instead of JSON objects for serialisation

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This technical article discusses why the jOOQ library uses JSON arrays of arrays instead of JSON objects when serializing nested collections via its MULTISET operator emulation. It explains the performance benefits of positional access, the avoidance of duplicate column name issues, and the trade-offs between debug-friendliness and efficiency in a SQL/JSON context.

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#performance #serialization #json
Consider using JSON arrays instead of JSON objects for serialisation

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