Detailed Definitions of Lexical and Grammar

Please read the lexical and grammar description files in our code repository:

Lexical file: antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/IoTDBSqlLexer.g4

Grammer file: antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/IoTDBSqlParser.g4