content: package com.alibaba.druid.sql.dialect.blink.parser;
  
  import com.alibaba.druid.DbType;
  import com.alibaba.druid.sql.parser.Keywords;
  import com.alibaba.druid.sql.parser.Lexer;
  import com.alibaba.druid.sql.parser.SQLParserFeature;
  import com.alibaba.druid.sql.parser.Token;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class BlinkLexer extends Lexer {
      static final Keywords BLINK_KEYWORDS;
      static {
          Map<String, Token> map = new HashMap<>();
  
          map.putAll(Keywords.DEFAULT_KEYWORDS.getKeywords());
  
          map.put("OF", Token.OF);
          map.put("CONCAT", Token.CONCAT);
          map.put("CONTINUE", Token.CONTINUE);
          map.put("MERGE", Token.MERGE);
          map.put("USING", Token.USING);
  
          map.put("ROW", Token.ROW);
          map.put("LIMIT", Token.LIMIT);
          map.put("IF", Token.IF);
          map.put("PERIOD", Token.PERIOD);
  
          BLINK_KEYWORDS = new Keywords(map);
      }
  
      @Override
      protected Keywords loadKeywords() {
          return BLINK_KEYWORDS;
      }
  
      public BlinkLexer(String input) {
          super(input);
          dbType = DbType.blink;
      }
  
      public BlinkLexer(String input, SQLParserFeature... features) {
          super(input);
          dbType = DbType.blink;
          for (SQLParserFeature feature : features) {
              config(feature, true);
          }
      }
  }
  