mysql sql parser 'create database' support charset/collate

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java

@@ -2705,6 +2705,21 @@ public class MySqlStatementParser extends SQLStatementParser {
         if (lexer.token() == Token.HINT) {
             stmt.setHints(this.exprParser.parseHints());
         }
+        
+        if (identifierEquals("CHARACTER")) {
+            lexer.nextToken();
+            accept(Token.SET);
+            String charset = lexer.stringVal();
+            accept(Token.IDENTIFIER);
+            stmt.setCharacterSet(charset);
+        }
+        
+        if (identifierEquals("COLLATE")) {
+            lexer.nextToken();
+            String collate = lexer.stringVal();
+            accept(Token.IDENTIFIER);
+            stmt.setCollate(collate);
+        }
 
         return stmt;
     }

src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java

@@ -1609,6 +1609,17 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Printab
             print0(ucase ? "IF NOT EXISTS " : "if not exists ");    
         }
         x.getName().accept(this);
+        
+        if (x.getCharacterSet() != null) {
+            print0(ucase ? " CHARACTER SET " : " character set ");
+            print0(x.getCharacterSet());
+        }
+        
+        if (x.getCollate() != null) {
+            print0(ucase ? " COLLATE " : " collate ");
+            print0(x.getCollate());
+        }
+        
         return false;
     }