add TSDBPreparedStatement test cases

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBError.java

@@ -22,6 +22,7 @@ public class TSDBError {
         TSDBErrorMap.put(TSDBErrorNumbers.ERROR_DATABASE_NOT_SPECIFIED_OR_AVAILABLE, "Database not specified or available");
         TSDBErrorMap.put(TSDBErrorNumbers.ERROR_INVALID_FOR_EXECUTE_UPDATE, "not a valid sql for executeUpdate: (?)");
         TSDBErrorMap.put(TSDBErrorNumbers.ERROR_INVALID_FOR_EXECUTE, "not a valid sql for execute: (?)");
+        TSDBErrorMap.put(TSDBErrorNumbers.ERROR_PARAMETER_INDEX_OUT_BOUNDARY, "parameter index out of range");
 
         /**************************************************/
         TSDBErrorMap.put(TSDBErrorNumbers.ERROR_UNKNOWN, "unknown error");

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBErrorNumbers.java

@@ -16,6 +16,7 @@ public class TSDBErrorNumbers {
     public static final int ERROR_DATABASE_NOT_SPECIFIED_OR_AVAILABLE = 0x2310; //Database not specified or available
     public static final int ERROR_INVALID_FOR_EXECUTE_UPDATE = 0x2311;  //not a valid sql for executeUpdate: (SQL)
     public static final int ERROR_INVALID_FOR_EXECUTE = 0x2312;         //not a valid sql for execute: (SQL)
+    public static final int ERROR_PARAMETER_INDEX_OUT_BOUNDARY = 0x2313; // parameter index out of range
 
     public static final int ERROR_UNKNOWN = 0x2350;    //unknown error
 
@@ -45,6 +46,7 @@ public class TSDBErrorNumbers {
         errorNumbers.add(ERROR_DATABASE_NOT_SPECIFIED_OR_AVAILABLE);
         errorNumbers.add(ERROR_INVALID_FOR_EXECUTE_UPDATE);
         errorNumbers.add(ERROR_INVALID_FOR_EXECUTE);
+        errorNumbers.add(ERROR_PARAMETER_INDEX_OUT_BOUNDARY);
 
         /*****************************************************/
         errorNumbers.add(ERROR_SUBSCRIBE_FAILED);

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBPreparedStatement.java

@@ -32,7 +32,7 @@ import java.util.regex.Pattern;
 public class TSDBPreparedStatement extends TSDBStatement implements PreparedStatement {
     protected String rawSql;
     protected String sql;
-    protected ArrayList<Object> parameters = new ArrayList<Object>();
+    protected ArrayList<Object> parameters = new ArrayList<>();
 
     //start with insert or import and is case-insensitive
     private static Pattern savePattern = Pattern.compile("(?i)^\\s*(insert|import)");
@@ -53,7 +53,6 @@ public class TSDBPreparedStatement extends TSDBStatement implements PreparedStat
 
         this.isSaved = isSavedSql(this.rawSql);
         if (this.isSaved) {
-
             try {
                 this.savedPreparedStatement = new SavedPreparedStatement(this.rawSql, this);
             } catch (SQLException e) {
@@ -90,10 +89,6 @@ public class TSDBPreparedStatement extends TSDBStatement implements PreparedStat
         this.parameters = parameters;
     }
 
-    public String getRawSql() {
-        return rawSql;
-    }
-
     /*
      * Some of the SQLs sent by other popular frameworks or tools like Spark, contains syntax that cannot be parsed by
      * the TDengine client. Thus, some simple parsers/filters are intentionally added in this JDBC implementation in
@@ -192,99 +187,191 @@ public class TSDBPreparedStatement extends TSDBStatement implements PreparedStat
         }
     }
 
+    private boolean isSupportedSQLType(int sqlType) {
+        switch (sqlType) {
+            case Types.TIMESTAMP:
+            case Types.INTEGER:
+            case Types.BIGINT:
+            case Types.FLOAT:
+            case Types.DOUBLE:
+            case Types.SMALLINT:
+            case Types.TINYINT:
+            case Types.BOOLEAN:
+            case Types.BINARY:
+            case Types.NCHAR:
+                return true;
+            case Types.ARRAY:
+            case Types.BIT:
+            case Types.BLOB:
+            case Types.CHAR:
+            case Types.CLOB:
+            case Types.DATALINK:
+            case Types.DATE:
+            case Types.DECIMAL:
+            case Types.DISTINCT:
+            case Types.JAVA_OBJECT:
+            case Types.LONGNVARCHAR:
+            case Types.LONGVARBINARY:
+            case Types.LONGVARCHAR:
+            case Types.NCLOB:
+            case Types.NULL:
+            case Types.NUMERIC:
+            case Types.NVARCHAR:
+            case Types.OTHER:
+            case Types.REAL:
+            case Types.REF:
+            case Types.REF_CURSOR:
+            case Types.ROWID:
+            case Types.SQLXML:
+            case Types.STRUCT:
+            case Types.TIME:
+            case Types.TIME_WITH_TIMEZONE:
+            case Types.TIMESTAMP_WITH_TIMEZONE:
+            case Types.VARBINARY:
+            case Types.VARCHAR:
+            default:
+                return false;
+        }
+    }
+
     @Override
     public void setNull(int parameterIndex, int sqlType) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        if (!isSupportedSQLType(sqlType) || parameterIndex < 0)
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_INVALID_VARIABLE);
+        if (parameterIndex >= parameters.size())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_PARAMETER_INDEX_OUT_BOUNDARY);
+
         setObject(parameterIndex, "NULL");
     }
 
     @Override
     public void setBoolean(int parameterIndex, boolean x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setByte(int parameterIndex, byte x) throws SQLException {
-        setObject(parameterIndex, x);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setShort(int parameterIndex, short x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setInt(int parameterIndex, int x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setLong(int parameterIndex, long x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setFloat(int parameterIndex, float x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setDouble(int parameterIndex, double x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
-        setObject(parameterIndex, x);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setString(int parameterIndex, String x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setBytes(int parameterIndex, byte[] x) throws SQLException {
-        setObject(parameterIndex, x);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setDate(int parameterIndex, Date x) throws SQLException {
-        setObject(parameterIndex, x);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setTime(int parameterIndex, Time x) throws SQLException {
-        setObject(parameterIndex, x);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         setObject(parameterIndex, x);
     }
 
     @Override
     public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void clearParameters() throws SQLException {
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
         parameters.clear();
     }
 
     @Override
     public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
@@ -311,9 +398,8 @@ public class TSDBPreparedStatement extends TSDBStatement implements PreparedStat
         if (isSaved) {
             this.savedPreparedStatement.addBatch();
         } else {
-
             if (this.batchedArgs == null) {
-                batchedArgs = new ArrayList<String>();
+                batchedArgs = new ArrayList<>();
             }
             super.addBatch(getNativeSql());
         }
@@ -321,156 +407,225 @@ public class TSDBPreparedStatement extends TSDBStatement implements PreparedStat
 
     @Override
     public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setRef(int parameterIndex, Ref x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setBlob(int parameterIndex, Blob x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setClob(int parameterIndex, Clob x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setArray(int parameterIndex, Array x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public ResultSetMetaData getMetaData() throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        return this.getResultSet().getMetaData();
     }
 
     @Override
     public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        // TODO：
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setURL(int parameterIndex, URL x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public ParameterMetaData getParameterMetaData() throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        //TODO:
+        return null;
+//        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setRowId(int parameterIndex, RowId x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNString(int parameterIndex, String value) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNClob(int parameterIndex, NClob value) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        //TODO:
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setClob(int parameterIndex, Reader reader) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
+
     }
 
     @Override
     public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 
     @Override
     public void setNClob(int parameterIndex, Reader reader) throws SQLException {
-        throw new SQLException(TSDBConstants.UNSUPPORTED_METHOD_EXCEPTION_MSG);
+        if (isClosed())
+            throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_STATEMENT_CLOSED);
+        throw TSDBError.createSQLException(TSDBErrorNumbers.ERROR_UNSUPPORTED_METHOD);
     }
 }

src/connector/jdbc/src/test/java/com/taosdata/jdbc/TSDBPreparedStatementTest.java

 package com.taosdata.jdbc;
 
 import org.junit.AfterClass;
+import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
+import java.sql.*;
 
 public class TSDBPreparedStatementTest {
     private static final String host = "127.0.0.1";
     private static Connection conn;
+    private static final String sql_insert = "insert into t1 values(?, ?)";
+    private static PreparedStatement pstmt_insert;
+    private static final String sql_select = "select * from t1 where ts > ? and ts <= ? and temperature >= ?";
+    private static PreparedStatement pstmt_select;
 
     @Test
-    public void executeQuery() {
+    public void executeQuery() throws SQLException {
+        pstmt_select.setString(1, "now - 1h");
+        pstmt_select.setString(2, "now");
+        pstmt_select.setFloat(3, 0);
 
+        ResultSet rs = pstmt_select.executeQuery();
+        Assert.assertNotNull(rs);
+        ResultSetMetaData meta = rs.getMetaData();
+        while (rs.next()) {
+            for (int i = 1; i <= meta.getColumnCount(); i++) {
+                System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
+            }
+            System.out.println();
+        }
     }
 
     @Test
-    public void executeUpdate() {
-
+    public void executeUpdate() throws SQLException {
+        pstmt_insert.setTimestamp(1, new Timestamp(System.currentTimeMillis()));
+        pstmt_insert.setFloat(2, 3.14f);
+        int result = pstmt_insert.executeUpdate();
+        Assert.assertEquals(1, result);
     }
 
     @Test
-    public void setNull() {
+    public void setNull() throws SQLException {
+        pstmt_insert.setNull(2, Types.FLOAT);
     }
 
     @Test
-    public void setBoolean() {
+    public void setBoolean() throws SQLException {
+        pstmt_insert.setBoolean(2, true);
     }
 
-    @Test
-    public void setByte() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setByte() throws SQLException {
+        pstmt_insert.setByte(1, (byte) 0x001);
     }
 
     @Test
@@ -54,120 +75,150 @@ public class TSDBPreparedStatementTest {
     public void setDouble() {
     }
 
-    @Test
-    public void setBigDecimal() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setBigDecimal() throws SQLException {
+        pstmt_insert.setBigDecimal(1, null);
     }
 
     @Test
     public void setString() {
     }
 
-    @Test
-    public void setBytes() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setBytes() throws SQLException {
+        pstmt_insert.setBytes(1, new byte[]{});
     }
 
-    @Test
-    public void setDate() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setDate() throws SQLException {
+        pstmt_insert.setDate(1, new Date(System.currentTimeMillis()));
     }
 
-    @Test
-    public void setTime() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setTime() throws SQLException {
+        pstmt_insert.setTime(1, new Time(System.currentTimeMillis()));
     }
 
     @Test
     public void setTimestamp() {
+        //TODO
     }
 
-    @Test
-    public void setAsciiStream() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setAsciiStream() throws SQLException {
+        pstmt_insert.setAsciiStream(1, null);
     }
 
-    @Test
-    public void setUnicodeStream() {
-    }
-
-    @Test
-    public void setBinaryStream() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setBinaryStream() throws SQLException {
+        pstmt_insert.setBinaryStream(1, null);
     }
 
     @Test
     public void clearParameters() {
+        //TODO
     }
 
     @Test
-    public void setObject() {
-
+    public void setObject() throws SQLException {
+        pstmt_insert.setObject(1, System.currentTimeMillis());
+        //TODO
     }
 
     @Test
     public void execute() {
+        //TODO
     }
 
     @Test
     public void addBatch() {
-
+        //TODO:
     }
 
-    @Test
-    public void setCharacterStream() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setCharacterStream() throws SQLException {
+        pstmt_insert.setCharacterStream(1, null);
     }
 
-    @Test
-    public void setRef() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setRef() throws SQLException {
+        pstmt_insert.setRef(1, null);
     }
 
-    @Test
-    public void setBlob() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setBlob() throws SQLException {
+        pstmt_insert.setBlob(1, (Blob) null);
     }
 
-    @Test
-    public void setClob() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setClob() throws SQLException {
+        pstmt_insert.setClob(1, (Clob) null);
     }
 
-    @Test
-    public void setArray() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setArray() throws SQLException {
+        pstmt_insert.setArray(1, null);
     }
 
     @Test
-    public void getMetaData() {
+    public void getMetaData() throws SQLException {
+        ResultSetMetaData metaData = pstmt_insert.getMetaData();
+        Assert.assertNotNull(metaData);
+        //TODO
     }
 
-    @Test
-    public void setURL() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setURL() throws SQLException {
+        pstmt_insert.setURL(1, null);
     }
 
     @Test
-    public void getParameterMetaData() {
+    public void getParameterMetaData() throws SQLException {
+        ParameterMetaData parameterMetaData = pstmt_insert.getParameterMetaData();
+        Assert.assertNotNull(parameterMetaData);
+        //TODO:
     }
 
-    @Test
-    public void setRowId() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setRowId() throws SQLException {
+        pstmt_insert.setRowId(1, null);
     }
 
-    @Test
-    public void setNString() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setNString() throws SQLException {
+        pstmt_insert.setNString(1, null);
     }
 
-    @Test
-    public void setNCharacterStream() {
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setNCharacterStream() throws SQLException {
+        pstmt_insert.setNCharacterStream(1, null);
     }
 
-    @Test
-    public void setNClob() {
-
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setNClob() throws SQLException {
+        pstmt_insert.setNClob(1, (NClob) null);
     }
 
-    @Test
-    public void setSQLXML() {
-
+    @Test(expected = SQLFeatureNotSupportedException.class)
+    public void setSQLXML() throws SQLException {
+        pstmt_insert.setSQLXML(1, null);
     }
 
 
     @BeforeClass
     public static void beforeClass() {
         try {
-            Class.forName("com.taosdata.jdbc.rs.RestfulDriver");
+            Class.forName("com.taosdata.jdbc.TSDBDriver");
             conn = DriverManager.getConnection("jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata");
+            try (Statement stmt = conn.createStatement()) {
+                stmt.execute("drop database if exists test_pstmt");
+                stmt.execute("create database if not exists test_pstmt");
+                stmt.execute("use test_pstmt");
+                stmt.execute("create table weather(ts timestamp, temperature float) tags(loc nchar(64))");
+                stmt.execute("create table t1 using weather tags('beijing')");
+            }
+            pstmt_insert = conn.prepareStatement(sql_insert);
+            pstmt_select = conn.prepareStatement(sql_select);
         } catch (ClassNotFoundException | SQLException e) {
             e.printStackTrace();
         }
@@ -176,6 +227,7 @@ public class TSDBPreparedStatementTest {
     @AfterClass
     public static void afterClass() {
         try {
+
             if (conn != null)
                 conn.close();
         } catch (SQLException e) {