content: package com.alibaba.druid.sql.dialect.supersql.parser;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.dialect.presto.parser.PrestoLexer;
  import com.alibaba.druid.sql.parser.Keywords;
  import com.alibaba.druid.sql.parser.SQLParserFeature;
  import com.alibaba.druid.sql.parser.Token;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class SuperSqlLexer extends PrestoLexer {
      static final Keywords SUPERSQL_KEYWORDS;
      static {
          Map<String, Token> map = new HashMap<>();
          map.putAll(Keywords.DEFAULT_KEYWORDS.getKeywords());
          map.put("FETCH", Token.FETCH);
          map.put("FIRST", Token.FIRST);
          map.put("ONLY", Token.ONLY);
          map.put("OPTIMIZE", Token.OPTIMIZE);
          map.put("OF", Token.OF);
          map.put("CONCAT", Token.CONCAT);
          map.put("CONTINUE", Token.CONTINUE);
          map.put("IDENTITY", Token.IDENTITY);
          map.put("MERGE", Token.MERGE);
          map.put("USING", Token.USING);
          map.put("MATCHED", Token.MATCHED);
          map.put("UPSERT", Token.UPSERT);
          map.put("IF", Token.IF);
          map.put("OVERWRITE", Token.OVERWRITE);
          map.put("PARTITION", Token.PARTITION);
          map.put("PARTITIONED", Token.PARTITIONED);
          map.put("RLIKE", Token.RLIKE);
  
          SUPERSQL_KEYWORDS = new Keywords(map);
      }
  
      @Override
      protected Keywords loadKeywords() {
          return SUPERSQL_KEYWORDS;
      }
  
      public SuperSqlLexer(String input, SQLParserFeature... features) {
          super(input, features);
          this.dbType = DbType.supersql;
      }
  }
  