without mysql test environment, use in memory mysql(DoltDB) as default
  test-dsn, soar can give index advice without mysql instance.

  in memory mysql(DoltDB) will listen a random port bind with localhost,
  and distroyed automatically when soar quit.

  CLA.007 is duplicate with KEY.007

convert to匹配模式优化，允许两个单词中间有多个空格

	add test cases
	comments use english more understandable

	column-not-allow-type show be L9 as it's name said

	make cover passed
	make test-cli passed

	check suggest.Content != ""

	string -> int can use index

COL.014 modify the judgment about the character set;COL.012/COL.015 add the judgment about the json type;ALT.001 modify the judgment about the ;fix func ShowCreateTable's error when table is partition;

  remove fmt.Println debug output
  LIT.003 remove varchar, text check for primary key

  WHEN InvisibleUnicode IN SQL give suggestion
  update test cases golden file

  SELECT c1, c2, c3, FROM tb WHERE id < 1000 AND content="mytest* as test"

  update table1 set a = ( select a from table2 where b=1 and c=2) and b=1 where d=2
  update table1 set a = ( select a from table2 where b=1 and c=2), b=1, c=2 where d=2

  replace test-cli percent number with n% for CI

  COL.014 support NVARCHAR
  COL.013 support zero time

- Fix RuleImplicitConversion(ARG.003) with INT and DECIMAL
- Fix RuleImplicitConversion duplicate suggest when use IN () operator