sql: Constant-fold parameterized top-level LIMIT#37853
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Executing a prepared statement with a parameterized LIMIT failed with "Top-level LIMIT must be a constant expression, got integer_to_bigint(3)" whenever the bound parameter type was not bigint, because parameter binding wraps the value in a cast that the bare-literal check did not fold. Evaluate the expression to a literal instead, matching how OFFSET is handled. A negative LIMIT now reports "LIMIT must not be negative" instead of soft-panicking, and a non-constant LIMIT reports "Invalid LIMIT clause: ...". Closes: SQL-476 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Executing a prepared statement with a parameterized LIMIT failed with "Top-level LIMIT must be a constant expression, got integer_to_bigint(3)" whenever the bound parameter type was not bigint, because parameter binding wraps the value in a cast that the bare-literal check did not fold. Evaluate the expression to a literal instead, matching how OFFSET is handled. A negative LIMIT now reports "LIMIT must not be negative" instead of soft-panicking, and a non-constant LIMIT reports "Invalid LIMIT clause: ...".
Closes: SQL-476