* style: put evrry branch on a single line
* feat: support ASYMMETRIC and SYMMETRIC for between and
* feat: support SIMILAR TO predicate
* feat: support nested boolean expression
* feat: support escape to like and similar in flink sql
* test: add where clause test cases
* feat: add reservedKeywordsUsedAsFunctionName rule
* feat: add timepointLiteral rule and improve function call grammar
