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Add ARRAY_REVERSE, ARRAY_MAX and ARRAY_MIN SQL functions - #802

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Add ARRAY_REVERSE, ARRAY_MAX and ARRAY_MIN SQL functions #802
Adityaaprakash wants to merge 1 commit into
apache:master from
Adityaaprakash:feature/issue-792-array-functions

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@Adityaaprakash Adityaaprakash commented Jun 18, 2026

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What changed

Added built-in SQL UDFs for ARRAY_REVERSE, ARRAY_MAX, and ARRAY_MIN.
Registered the new array functions in BuildInSqlFunctionTable.
Added tests covering normal and edge cases.

Behavior

ARRAY_REVERSE(null) returns null.
ARRAY_REVERSE preserves null elements while reversing order.
ARRAY_MAX and ARRAY_MIN ignore null elements.
ARRAY_MAX and ARRAY_MIN return null for null, empty, or all-null arrays.

Tests

Executed the array UDF test suite successfully.

Fixes #792

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 Add ARRAY_REVERSE, ARRAY_MAX and ARRAY_MIN SQL functions

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