fix(flink): #398 fix flinksql built-in function's using #399
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functionName
中的保留字函数名拆分成普通保留字函数名(需要带括号加参数进行使用的)、无参数保留字函数名(无需带括号也无需带参数进行使用的)、跟随参数的保留字关键字函数名(不需要带括号,后面直接跟参数进行使用的)functionName
的地方替换成functionNameWithParams(functionParam) | reservedKeywordsNoParamsUsedAsFuncName | functionNameAndParams
preferredRules
除了原本的functionName
规则,还需要新增1
中说明的几类,并且将其都识别为FUNCTION
实体类型