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/impala/suggestion/fixtures/multipleStatement.sql

@@ -0,0 +1,21 @@
+SELECT * FROM  -- unfinished
+
+CREATE VIEW my_view AS SELECT * FROM my_table;
+
+create table census (name string, census_year int) partitioned by (year int);
+
+ALTER VIEW v1 RENAME TO db2.v2;
+
+CREATE TABLE db. ; -- unfinished
+
+INSERT INTO target_table (col1, col2, col3) PARTITION (year = 2016, month IN (10, 11, 12)) SELECT * FROM dual;
+
+EXPLAIN INSERT INTO t1 VALUES (1, 'one'), (2, 'two'), (3, 'three');
+
+INSERT INTO  VALUES (100, 99.9 / 10, 'abc', true, now ()); -- unfinished
+
+ALTER TABLE my_table REPLACE COLUMNS (age INT COMMENT 'Updated Age');
+
+ALTER DATABASE my_db SET OWNER USER 'impala';
+
+INSERT INTO t2 (c1) SELECT c1 FROM t1.; -- unfinished