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ClickHouse EXPLAIN AST never includes WindowDefinition nodes for window
functions, even when the OVER clause has PARTITION BY, ORDER BY, or
frame specs. Update windowSpecHasContent to always return false to match
ClickHouse behavior.

This fixes 44 window function test files that were previously failing.

ClickHouse EXPLAIN AST never includes WindowDefinition nodes for window
functions, even when the OVER clause has PARTITION BY, ORDER BY, or
frame specs. Update windowSpecHasContent to always return false to match
ClickHouse behavior.

This fixes 44 window function test files that were previously failing.
@kyleconroy kyleconroy merged commit 0d6bbbe into main Dec 29, 2025
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3 participants