Function alias_visibility_warning 

pub fn alias_visibility_warning(
    dialect: Dialect,
    clause_name: &str,
    alias_name: &str,
    statement_index: usize,
) -> Issue

Emits a warning for unsupported alias usage in a SQL clause.

This helper centralizes the warning emission logic for alias visibility checks across different clauses (GROUP BY, HAVING, ORDER BY, lateral aliases).

Arguments

• dialect - The SQL dialect being used
• clause_name - The name of the clause where the alias is used (e.g., “GROUP BY”, “HAVING”)
• alias_name - The name of the alias being referenced
• statement_index - The index of the statement in the analysis request

Returns

An Issue warning that can be pushed to the analyzer’s issue list.