bug fixed for 1) tddl insert merge, 2) slf4j dependency problem

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

@@ -874,7 +874,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
 
         print("INTO ");
 
-        x.getTableName().accept(this);
+        x.getTableSource().accept(this);
 
         if (x.getColumns().size() > 0) {
             incrementIndent();

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

@@ -152,7 +152,7 @@ public class MySqlParameterizedOutputVisitor extends MySqlOutputVisitor {
 
         print("INTO ");
 
-        x.getTableName().accept(this);
+        x.getTableSource().accept(this);
 
         if (x.getColumns().size() > 0) {
             print(" (");

src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java

@@ -1627,7 +1627,7 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
     public boolean visit(InsertIntoClause x) {
         print("INTO ");
 
-        x.getTableName().accept(this);
+        x.getTableSource().accept(this);
 
         if (x.getColumns().size() > 0) {
             incrementIndent();

src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java

@@ -329,7 +329,7 @@ public class PGOutputVisitor extends SQLASTOutputVisitor implements PGASTVisitor
 
         print("INSERT INTO ");
 
-        x.getTableName().accept(this);
+        x.getTableSource().accept(this);
 
         if (x.getColumns().size() > 0) {
             incrementIndent();

src/main/java/com/alibaba/druid/sql/dialect/sqlserver/visitor/SQLServerOutputVisitor.java

@@ -124,7 +124,7 @@ public class SQLServerOutputVisitor extends SQLASTOutputVisitor implements SQLSe
     public boolean visit(SQLServerInsertStatement x) {
         print("INSERT INTO ");
 
-        x.getTableName().accept(this);
+        x.getTableSource().accept(this);
 
         if (x.getColumns().size() > 0) {
             incrementIndent();