Module utils 

Functions

extract_alias_name

Extract the alias name from an AliasExpression. The alias name is the last Identifier or QuotedIdentifier before any non-trivia, non-keyword segment (scanning from the end).

find_keyword_in_children

Find a keyword by case-insensitive name in children. Returns (index, segment).

first_non_trivia

Return the first non-trivia child segment.

has_as_keyword

Check if an AliasExpression’s children contain an explicit AS keyword.

is_false_alias

Check if the “alias name” in an AliasExpression is actually a misidentified SQL keyword (e.g. OVER in window functions). Returns true if the alias looks like a false positive.

last_non_trivia

Return the last non-trivia child segment.