Lukas Eder • 3/27/2025

When SQL Meets Lambda Expressions

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This technical article discusses the ISO SQL standard for ARRAY types and the limited built-in functions. It highlights how modern SQL dialects (e.g., ClickHouse, DuckDB, Snowflake) are adding lambda expression support for array operations like ARRAY_FILTER. It demonstrates syntax using jOOQ and shows emulation techniques for databases without native lambda support, covering related functions such as ARRAY_MAP and ARRAY_ANY_MATCH.

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#sql #Array Types #Lambda Expressions
When SQL Meets Lambda Expressions

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