diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/ast/expr/PGArrayExpr.java b/src/main/java/com/alibaba/druid/sql/ast/expr/SQLArrayExpr.java
similarity index 61%
rename from src/main/java/com/alibaba/druid/sql/dialect/postgresql/ast/expr/PGArrayExpr.java
rename to src/main/java/com/alibaba/druid/sql/ast/expr/SQLArrayExpr.java
index 65783b444c..4e7b218219 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/ast/expr/PGArrayExpr.java
+++ b/src/main/java/com/alibaba/druid/sql/ast/expr/SQLArrayExpr.java
@@ -1,27 +1,13 @@
-/*
- * Copyright 1999-2011 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.alibaba.druid.sql.dialect.postgresql.ast.expr;
+package com.alibaba.druid.sql.ast.expr;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import com.alibaba.druid.sql.ast.SQLExpr;
-import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor;
+import com.alibaba.druid.sql.ast.SQLExprImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 
-public class PGArrayExpr extends PGExprImpl {
+public class SQLArrayExpr extends SQLExprImpl {
 
     private SQLExpr       expr;
 
@@ -44,7 +30,7 @@ public void setValues(List<SQLExpr> values) {
     }
 
     @Override
-    public void accept0(PGASTVisitor visitor) {
+    protected void accept0(SQLASTVisitor visitor) {
         if (visitor.visit(this)) {
             acceptChild(visitor, expr);
             acceptChild(visitor, values);
@@ -66,7 +52,7 @@ public boolean equals(Object obj) {
         if (this == obj) return true;
         if (obj == null) return false;
         if (getClass() != obj.getClass()) return false;
-        PGArrayExpr other = (PGArrayExpr) obj;
+        SQLArrayExpr other = (SQLArrayExpr) obj;
         if (expr == null) {
             if (other.expr != null) return false;
         } else if (!expr.equals(other.expr)) return false;
@@ -76,4 +62,6 @@ public boolean equals(Object obj) {
         return true;
     }
 
+
+
 }
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/odps/parser/OdpsExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/odps/parser/OdpsExprParser.java
index c090e7c57f..fcb5c170ad 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/odps/parser/OdpsExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/odps/parser/OdpsExprParser.java
@@ -16,6 +16,7 @@
 package com.alibaba.druid.sql.dialect.odps.parser;
 
 import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.ast.expr.SQLArrayExpr;
 import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
 import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
 import com.alibaba.druid.sql.ast.statement.SQLSelectItem;
@@ -118,6 +119,16 @@ public SQLExpr primaryRest(SQLExpr expr) {
             expr = dotRest(expr);
             return expr;
         }
+        
+        if (lexer.token() == Token.LBRACKET) {
+            SQLArrayExpr array = new SQLArrayExpr();
+            array.setExpr(expr);
+            lexer.nextToken();
+            this.exprList(array.getValues(), array);
+            accept(Token.RBRACKET);
+            return primaryRest(array);
+        }
+        
         return super.primaryRest(expr);
     }
 }
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGExprParser.java
index de6b67faac..d2e02501c6 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGExprParser.java
@@ -17,9 +17,27 @@
 
 import com.alibaba.druid.sql.ast.SQLDataType;
 import com.alibaba.druid.sql.ast.SQLExpr;
-import com.alibaba.druid.sql.ast.expr.*;
+import com.alibaba.druid.sql.ast.expr.SQLArrayExpr;
+import com.alibaba.druid.sql.ast.expr.SQLBinaryExpr;
+import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
+import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
+import com.alibaba.druid.sql.ast.expr.SQLTimestampExpr;
+import com.alibaba.druid.sql.ast.expr.SQLUnaryExpr;
+import com.alibaba.druid.sql.ast.expr.SQLUnaryOperator;
+import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGOrderBy;
-import com.alibaba.druid.sql.dialect.postgresql.ast.expr.*;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGBoxExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCidrExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCircleExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGDateField;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGExtractExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGInetExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGIntervalExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGLineSegmentsExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGMacAddrExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGPointExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGPolygonExpr;
+import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGTypeCastExpr;
 import com.alibaba.druid.sql.parser.Lexer;
 import com.alibaba.druid.sql.parser.SQLExprParser;
 import com.alibaba.druid.sql.parser.Token;
@@ -77,7 +95,7 @@ public PGOrderBy parseOrderBy() {
     
     public SQLExpr primary() {
         if (lexer.token() == Token.ARRAY) {
-            PGArrayExpr array = new PGArrayExpr();
+            SQLArrayExpr array = new SQLArrayExpr();
             array.setExpr(new SQLIdentifierExpr(lexer.stringVal()));
             lexer.nextToken();
             accept(Token.LBRACKET);
@@ -129,7 +147,7 @@ public SQLExpr primaryRest(SQLExpr expr) {
         }
         
         if (lexer.token() == Token.LBRACKET) {
-            PGArrayExpr array = new PGArrayExpr();
+            SQLArrayExpr array = new SQLArrayExpr();
             array.setExpr(expr);
             lexer.nextToken();
             this.exprList(array.getValues(), array);
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitor.java
index 3bf2ccf5e3..af14f251ee 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitor.java
@@ -17,7 +17,6 @@
 
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithClause;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithQuery;
-import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGArrayExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGBoxExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCidrExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCircleExpr;
@@ -102,10 +101,6 @@ public interface PGASTVisitor extends SQLASTVisitor {
     
     boolean visit(PGValuesQuery x);
     
-    void endVisit(PGArrayExpr x);
-    
-    boolean visit(PGArrayExpr x);
-    
     void endVisit(PGExtractExpr x);
     
     boolean visit(PGExtractExpr x);
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitorAdapter.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitorAdapter.java
index b39513e486..6633b9048d 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitorAdapter.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGASTVisitorAdapter.java
@@ -17,7 +17,6 @@
 
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithClause;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithQuery;
-import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGArrayExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGBoxExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCidrExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCircleExpr;
@@ -201,16 +200,6 @@ public boolean visit(PGValuesQuery x) {
         return true;
     }
     
-    @Override
-    public void endVisit(PGArrayExpr x) {
-        
-    }
-    
-    @Override
-    public boolean visit(PGArrayExpr x) {
-        return true;
-    }
-    
     @Override
     public void endVisit(PGExtractExpr x) {
         
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
index 4d14a02acf..223b4a8594 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGOutputVisitor.java
@@ -21,7 +21,6 @@
 import com.alibaba.druid.sql.ast.statement.SQLTruncateStatement;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithClause;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithQuery;
-import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGArrayExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGBoxExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCidrExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCircleExpr;
@@ -527,20 +526,6 @@ public boolean visit(PGValuesQuery x) {
         return false;
     }
     
-    @Override
-    public void endVisit(PGArrayExpr x) {
-        
-    }
-    
-    @Override
-    public boolean visit(PGArrayExpr x) {
-        x.getExpr().accept(this);
-        print("[");
-        printAndAccept(x.getValues(), ", ");
-        print("]");
-        return false;
-    }
-    
     @Override
     public void endVisit(PGExtractExpr x) {
         
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGSchemaStatVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGSchemaStatVisitor.java
index 3e534f61b0..b5da89c442 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGSchemaStatVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/postgresql/visitor/PGSchemaStatVisitor.java
@@ -23,7 +23,6 @@
 import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithClause;
 import com.alibaba.druid.sql.dialect.postgresql.ast.PGWithQuery;
-import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGArrayExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGBoxExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCidrExpr;
 import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGCircleExpr;
@@ -311,16 +310,6 @@ public boolean visit(PGValuesQuery x) {
         return true;
     }
     
-    @Override
-    public void endVisit(PGArrayExpr x) {
-        
-    }
-    
-    @Override
-    public boolean visit(PGArrayExpr x) {
-        return true;
-    }
-    
     @Override
     public void endVisit(PGExtractExpr x) {
         
diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
index f555b041b9..ea966bfd11 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
@@ -38,6 +38,7 @@
 import com.alibaba.druid.sql.ast.expr.SQLAllColumnExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAllExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAnyExpr;
+import com.alibaba.druid.sql.ast.expr.SQLArrayExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBetweenExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
@@ -2357,4 +2358,12 @@ public boolean visit(SQLAlterTableTouch x) {
         return false;
     }
 
+    @Override
+    public boolean visit(SQLArrayExpr x) {
+        x.getExpr().accept(this);
+        print("[");
+        printAndAccept(x.getValues(), ", ");
+        print("]");
+        return false;
+    }
 }
diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitor.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitor.java
index 44f9613daf..bcca890f2c 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitor.java
@@ -24,6 +24,7 @@
 import com.alibaba.druid.sql.ast.expr.SQLAllColumnExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAllExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAnyExpr;
+import com.alibaba.druid.sql.ast.expr.SQLArrayExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBetweenExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
@@ -619,4 +620,8 @@ public interface SQLASTVisitor {
     
     boolean visit(SQLAlterTableTouch x);
     
+    void endVisit(SQLArrayExpr x);
+    
+    boolean visit(SQLArrayExpr x);
+    
 }
diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitorAdapter.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitorAdapter.java
index ed662fabf3..98a9fd802a 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitorAdapter.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTVisitorAdapter.java
@@ -25,6 +25,7 @@
 import com.alibaba.druid.sql.ast.expr.SQLAllColumnExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAllExpr;
 import com.alibaba.druid.sql.ast.expr.SQLAnyExpr;
+import com.alibaba.druid.sql.ast.expr.SQLArrayExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBetweenExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryExpr;
 import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
@@ -1225,4 +1226,14 @@ public boolean visit(SQLAlterTableTouch x) {
         return true;
     }
     
+    @Override
+    public void endVisit(SQLArrayExpr x) {
+        
+    }
+    
+    @Override
+    public boolean visit(SQLArrayExpr x) {
+        return true;
+    }
+    
 }
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsFormatCommentTest27.java b/src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsFormatCommentTest27.java
new file mode 100644
index 0000000000..b121e2d2d6
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsFormatCommentTest27.java
@@ -0,0 +1,15 @@
+package com.alibaba.druid.bvt.sql.odps;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.SQLUtils;
+
+import junit.framework.TestCase;
+
+public class OdpsFormatCommentTest27 extends TestCase {
+    public void test_drop_function() throws Exception {
+        String sql = "select split(val, ',')[1] from dual";
+        Assert.assertEquals("SELECT SPLIT(val, ',')[1]"
+                + "\nFROM dual", SQLUtils.formatOdps(sql));
+    }   
+}