[code optimize]

Author: [email protected]

core/src/main/java/com/dtstack/flink/sql/Main.java

@@ -85,6 +85,7 @@
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import com.dtstack.flink.sql.option.Options;
+import org.apache.calcite.sql.parser.SqlParser.Config;
 
 /**
  * Date: 2018/6/26
@@ -100,6 +101,11 @@ public class Main {
 
     private static final Logger LOG = LoggerFactory.getLogger(Main.class);
 
+    private static Config config = org.apache.calcite.sql.parser.SqlParser
+            .configBuilder()
+            .setLex(Lex.MYSQL)
+            .build();
+
     public static void main(String[] args) throws Exception {
 
         OptionParser optionParser = new OptionParser(args);
@@ -174,10 +180,6 @@ private static void sqlTranslation(Options options,StreamTableEnvironment tableE
                     CreateTmpTableParser.SqlParserResult tmp = sqlTree.getTmpTableMap().get(tableName);
                     String realSql = DtStringUtil.replaceIgnoreQuota(result.getExecSql(), "`", "");
 
-                    org.apache.calcite.sql.parser.SqlParser.Config config = org.apache.calcite.sql.parser.SqlParser
-                            .configBuilder()
-                            .setLex(Lex.MYSQL)
-                            .build();
                     SqlNode sqlNode = org.apache.calcite.sql.parser.SqlParser.create(realSql,config).parseStmt();
                     String tmpSql = ((SqlInsert) sqlNode).getSource().toString();
                     tmp.setExecSql(tmpSql);