refactor

src/main/java/com/alibaba/druid/sql/dialect/postgresql/ast/stmt/PGTruncateStatement.java

@@ -37,7 +37,7 @@ public class PGTruncateStatement extends SQLTruncateStatement implements PGSQLSt
 
     public void accept0(PGASTVisitor visitor) {
         if (visitor.visit(this)) {
-            acceptChild(visitor, tableNames);
+            acceptChild(visitor, tableSources);
         }
         visitor.endVisit(this);
     }

src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGSQLStatementParser.java

@@ -205,7 +205,7 @@ public class PGSQLStatementParser extends SQLStatementParser {
 
         for (;;) {
             SQLName name = this.exprParser.name();
-            stmt.getTableNames().add(name);
+            stmt.addTableSource(name);
 
             if (lexer.token() == Token.COMMA) {
                 lexer.nextToken();

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

@@ -251,7 +251,7 @@ public class PGOutputVisitor extends SQLASTOutputVisitor implements PGASTVisitor
             print("ONLY ");
         }
 
-        printlnAndAccept(x.getTableNames(), ", ");
+        printlnAndAccept(x.getTableSources(), ", ");
 
         if (x.getRestartIdentity() != null) {
             if (x.getRestartIdentity().booleanValue()) {