feat: optimize suggestion (#231)

* feat: optimize the strategy of finding the right range

* test: apply commentOtherLine util to all suggestion tests

* test: decomment suggestion test cases

* test: add suggestion test cases in multiple statements

* chore: improve comments

* test: update log info in test

test/parser/spark/suggestion/fixtures/multipleStatement.sql

@@ -0,0 +1,21 @@
+CREATE TABLE  VALUES -- unfinished
+
+CREATE TABLE student (id INT, name STRING, age INT) STORED AS ORC;
+
+CREATE SCHEMA customer_db WITH DBPROPERTIES (ID=001, Name='John');
+
+ALTER TABLE StudentInfo ADD COLUMNS (LastName string, DOB timestamp);
+
+SELECT * FROM db. ; -- unfinished
+
+INSERT INTO weather (date, city, temp_hi, temp_lo) VALUES ('1994-11-29', 'Hayward', 54, 37);
+
+DESC EXTENDED students name;
+
+INSERT INTO  weather (date, city, temp_hi, temp_lo) VALUES ('1994-11-29', 'Hayward', 54, 37); -- unfinished
+
+DROP TABLE IF EXISTS employable;
+
+DROP TEMPORARY FUNCTION test_avg;
+
+INSERT INTO products (product_no, name, price) SELECT * FROM db. ; -- unfinished