Method: Fast.parse_sql

Defined in:
lib/fast/sql.rb

.parse_sql(statement, buffer_name: "(sql)") ⇒ Fast::Node

ast = Fast.parse_sql(“select ‘hello AST’”)

=> s(:select_stmt,
     s(:target_list,
       s(:res_target,
         s(:val,
           s(:a_const,
             s(:val,
               s(:string,
                 s(:str, "hello AST"))))))))

‘s` represents a Fast::Node which is a subclass of Parser::AST::Node and has additional methods to access the tokens and location of the node. ast.search(:string).first.location.expression

=> #<Parser::Source::Range (sql) 7...18>

Returns:

  • (Fast::Node) —

    the AST representation of the sql statement



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# File 'lib/fast/sql.rb', line 49

def parse_sql(statement, buffer_name: "(sql)")
  SQL.parse(statement, buffer_name: buffer_name)
end