improved sql parser. for issue #1675

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

@@ -110,6 +110,9 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
                 lexer.nextToken();
                 SQLName name = this.exprParser.name();
                 stmt.setLike(name);
+            } else if (lexer.token() == Token.SELECT) {
+                SQLSelect query = new MySqlSelectParser(this.exprParser).select();
+                stmt.setSelect(query);
             } else {
                 for (;;) {
                     if (lexer.token() == Token.IDENTIFIER //

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java

@@ -484,10 +484,10 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
         }
 
         if (x.getSelect() != null) {
-            this.indentCount++;
+            println();
+            print0(ucase ? "AS" : "as");
             println();
             x.getSelect().accept(this);
-            this.indentCount--;
         }
 
         for (SQLCommentHint hint : x.getOptionHints()) {