com.qwazr.jdbc.cache.CachedResultSet Maven / Gradle / Ivy
/*
* Copyright 2016-2017 Emmanuel Keller / QWAZR
*
* 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.qwazr.jdbc.cache;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.MalformedURLException;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
/**
* Cached ResultSet
*/
abstract class CachedResultSet implements ResultSet {
private final CachedStatement statement;
private final DataInputStream input;
private final CachedResultSetMetaData metaData;
private final Object[] currentRow;
private final Object[] nextRow;
private final HashMap columnNames;
private volatile boolean wasNull;
private volatile int currentPos;
private volatile int nextPos;
private volatile boolean closed;
CachedResultSet(final CachedStatement statement, DataInputStream input) throws SQLException {
this.statement = statement;
this.wasNull = false;
this.currentPos = 0;
this.nextPos = 0;
this.closed = false;
this.input = input;
try {
this.metaData = new CachedResultSetMetaData(ResultSetWriter.readColumns(input));
this.currentRow = new Object[metaData.columns.length];
this.nextRow = new Object[metaData.columns.length];
this.columnNames = new HashMap<>();
int i = 0;
for (ResultSetWriter.ColumnDef column : metaData.columns)
this.columnNames.put(column.label, ++i);
readNext();
} catch (IOException e) {
try {
close();
} catch (Exception ex) {
//Close quietly
}
throw new SQLException("Cannot read the cache for statement " + statement, e);
}
}
private void readNext() throws SQLException {
try {
nextPos = input.readInt();
if (nextPos != currentPos + 1)
throw new SQLException("Expects pos " + (currentPos + 1) + ", but got: " + nextPos);
} catch (EOFException e) {
nextPos = 0;
return;
} catch (IOException e) {
throw new SQLException(e);
}
int i = 0;
try {
for (ResultSetWriter.ColumnDef column : metaData.columns)
nextRow[i++] = ResultSetWriter.readRow(column.type, input);
} catch (IOException e) {
throw new SQLException("Cannot extract column " + i + " - pos " + nextPos, e);
}
}
@Override
public boolean next() throws SQLException {
currentPos = nextPos;
if (currentPos == 0)
return false;
int i = 0;
for (Object col : nextRow)
currentRow[i++] = col;
readNext();
return true;
}
@Override
public void close() throws SQLException {
try {
input.close();
closed = true;
} catch (IOException e) {
throw new SQLException(e);
}
}
@Override
public boolean wasNull() throws SQLException {
return wasNull;
}
private Object checkColumn(final int columnIndex) throws SQLException {
if (columnIndex == 0 || columnIndex > currentRow.length)
throw new SQLException("Column out of bounds");
final Object val = currentRow[columnIndex - 1];
wasNull = val == null;
return val;
}
@Override
public String getString(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
return val == null ? null : val.toString();
}
@Override
public boolean getBoolean(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return false;
if (val instanceof Boolean)
return (Boolean) val;
if (val instanceof Number)
return ((Number) val).intValue() == 0;
return Boolean.parseBoolean(val.toString());
}
@Override
public byte getByte(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Byte)
return (Byte) val;
if (val instanceof Number)
return ((Number) val).byteValue();
return Byte.parseByte(val.toString());
}
@Override
public short getShort(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Short)
return (Short) val;
if (val instanceof Number)
return ((Number) val).shortValue();
return Short.parseShort(val.toString());
}
@Override
public int getInt(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Integer)
return (Integer) val;
if (val instanceof Number)
return ((Number) val).intValue();
return Integer.parseInt(val.toString());
}
@Override
public long getLong(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Long)
return (Long) val;
if (val instanceof Number)
return ((Number) val).longValue();
return Long.parseLong(val.toString());
}
@Override
public float getFloat(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Float)
return (Float) val;
if (val instanceof Number)
return ((Number) val).floatValue();
return Float.parseFloat(val.toString());
}
@Override
public double getDouble(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return 0;
if (val instanceof Double)
return (Double) val;
if (val instanceof Number)
return ((Number) val).doubleValue();
return Double.parseDouble(val.toString());
}
@Override
@Deprecated
public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
return getBigDecimal(columnIndex);
}
@Override
public byte[] getBytes(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof byte[])
return (byte[]) val;
return new byte[0];
}
@Override
public Date getDate(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof Date)
return (Date) val;
if (val instanceof Timestamp)
return new Date(((Timestamp) val).getTime());
if (val instanceof Number)
return new Date(((Number) val).longValue());
try {
return new Date(DateFormat.getDateInstance().parse(val.toString()).getTime());
} catch (ParseException e) {
throw new SQLException("Unexpected Date type (" + val.getClass() + ") on column " + columnIndex, e);
}
}
@Override
public Time getTime(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof Time)
return (Time) val;
if (val instanceof Number)
return new Time(((Number) val).longValue());
try {
return new Time(DateFormat.getTimeInstance().parse(val.toString()).getTime());
} catch (ParseException e) {
throw new SQLException("Unexpected Time type (" + val.getClass() + ") on column " + columnIndex, e);
}
}
@Override
public Timestamp getTimestamp(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof Timestamp)
return (Timestamp) val;
if (val instanceof Number)
return new Timestamp(((Number) val).longValue());
try {
return new Timestamp(DateFormat.getDateTimeInstance().parse(val.toString()).getTime());
} catch (ParseException e) {
throw new SQLException("Unexpected Timestamp type (" + val.getClass() + ") on column " + columnIndex, e);
}
}
@Override
public InputStream getAsciiStream(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
@Deprecated
public InputStream getUnicodeStream(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public InputStream getBinaryStream(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
private int checkColumn(final String label) throws SQLException {
final Integer colIdx = columnNames.get(label);
if (colIdx == null)
throw new SQLException("Column not found: " + label);
return colIdx;
}
@Override
public String getString(String columnLabel) throws SQLException {
return getString(checkColumn(columnLabel));
}
@Override
public boolean getBoolean(String columnLabel) throws SQLException {
return getBoolean(checkColumn(columnLabel));
}
@Override
public byte getByte(String columnLabel) throws SQLException {
return getByte(checkColumn(columnLabel));
}
@Override
public short getShort(String columnLabel) throws SQLException {
return getShort(checkColumn(columnLabel));
}
@Override
public int getInt(String columnLabel) throws SQLException {
return getInt(checkColumn(columnLabel));
}
@Override
public long getLong(String columnLabel) throws SQLException {
return getLong(checkColumn(columnLabel));
}
@Override
public float getFloat(String columnLabel) throws SQLException {
return getFloat(checkColumn(columnLabel));
}
@Override
public double getDouble(String columnLabel) throws SQLException {
return getDouble(checkColumn(columnLabel));
}
@Override
@Deprecated
public BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException {
return getBigDecimal(checkColumn(columnLabel));
}
@Override
public byte[] getBytes(String columnLabel) throws SQLException {
return getBytes(checkColumn(columnLabel));
}
@Override
public Date getDate(String columnLabel) throws SQLException {
return getDate(checkColumn(columnLabel));
}
@Override
public Time getTime(String columnLabel) throws SQLException {
return getTime(checkColumn(columnLabel));
}
@Override
public Timestamp getTimestamp(String columnLabel) throws SQLException {
return getTimestamp(checkColumn(columnLabel));
}
@Override
public InputStream getAsciiStream(String columnLabel) throws SQLException {
return getAsciiStream(checkColumn(columnLabel));
}
@Override
@Deprecated
public InputStream getUnicodeStream(String columnLabel) throws SQLException {
return getUnicodeStream(checkColumn(columnLabel));
}
@Override
public InputStream getBinaryStream(String columnLabel) throws SQLException {
return getBinaryStream(checkColumn(columnLabel));
}
@Override
public SQLWarning getWarnings() throws SQLException {
return null;
}
@Override
public void clearWarnings() throws SQLException {
}
@Override
public String getCursorName() throws SQLException {
return null;
}
@Override
public ResultSetMetaData getMetaData() throws SQLException {
return metaData;
}
@Override
public Object getObject(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
return val;
}
@Override
public Object getObject(String columnLabel) throws SQLException {
return getObject(checkColumn(columnLabel));
}
@Override
public int findColumn(String columnLabel) throws SQLException {
final Integer colIdx = columnNames.get(columnLabel);
return colIdx == null ? 0 : colIdx;
}
@Override
public Reader getCharacterStream(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public Reader getCharacterStream(String columnLabel) throws SQLException {
return getCharacterStream(checkColumn(columnLabel));
}
@Override
public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof BigDecimal)
return (BigDecimal) val;
if (val instanceof Number)
return new BigDecimal(((Number) val).doubleValue());
return new BigDecimal(Double.parseDouble(val.toString()));
}
@Override
public BigDecimal getBigDecimal(String columnLabel) throws SQLException {
return getBigDecimal(checkColumn(columnLabel));
}
@Override
public boolean isBeforeFirst() throws SQLException {
return currentPos == 0;
}
@Override
public boolean isAfterLast() throws SQLException {
return currentPos == 0 && nextPos == 0;
}
@Override
public boolean isFirst() throws SQLException {
return currentPos == 1;
}
@Override
public boolean isLast() throws SQLException {
return nextPos == 0 && currentPos != 0;
}
@Override
public void beforeFirst() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void afterLast() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public boolean first() throws SQLException {
return false;
}
@Override
public boolean last() throws SQLException {
return false;
}
@Override
public int getRow() throws SQLException {
return currentPos;
}
@Override
public boolean absolute(int row) throws SQLException {
return false;
}
@Override
public boolean relative(int rows) throws SQLException {
return false;
}
@Override
public boolean previous() throws SQLException {
return false;
}
@Override
public void setFetchDirection(int direction) throws SQLException {
}
@Override
public int getFetchDirection() throws SQLException {
return statement.getFetchDirection();
}
@Override
public void setFetchSize(int rows) throws SQLException {
}
@Override
public int getFetchSize() throws SQLException {
return statement.getFetchSize();
}
@Override
public int getType() throws SQLException {
return statement.getResultSetType();
}
@Override
public int getConcurrency() throws SQLException {
return statement.getResultSetConcurrency();
}
@Override
public boolean rowUpdated() throws SQLException {
return false;
}
@Override
public boolean rowInserted() throws SQLException {
return false;
}
@Override
public boolean rowDeleted() throws SQLException {
return false;
}
@Override
public void updateNull(int columnIndex) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBoolean(int columnIndex, boolean x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateByte(int columnIndex, byte x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateShort(int columnIndex, short x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateInt(int columnIndex, int x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateLong(int columnIndex, long x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateFloat(int columnIndex, float x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateDouble(int columnIndex, double x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateString(int columnIndex, String x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBytes(int columnIndex, byte[] x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateDate(int columnIndex, Date x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateTime(int columnIndex, Time x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateObject(int columnIndex, Object x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNull(String columnLabel) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBoolean(String columnLabel, boolean x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateByte(String columnLabel, byte x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateShort(String columnLabel, short x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateInt(String columnLabel, int x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateLong(String columnLabel, long x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateFloat(String columnLabel, float x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateDouble(String columnLabel, double x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateString(String columnLabel, String x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBytes(String columnLabel, byte[] x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateDate(String columnLabel, Date x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateTime(String columnLabel, Time x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateTimestamp(String columnLabel, Timestamp x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(String columnLabel, InputStream x, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(String columnLabel, InputStream x, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(String columnLabel, Reader reader, int length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateObject(String columnLabel, Object x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void insertRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void deleteRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void refreshRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void cancelRowUpdates() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void moveToInsertRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void moveToCurrentRow() throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public Statement getStatement() throws SQLException {
return statement;
}
@Override
public Object getObject(int columnIndex, Map> map) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public Ref getRef(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public Blob getBlob(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public Clob getClob(int columnIndex) throws SQLException {
final Object val = checkColumn(columnIndex);
if (val == null)
return null;
return new ClobString(val.toString());
}
@Override
public Array getArray(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public Object getObject(String columnLabel, Map> map) throws SQLException {
return getObject(checkColumn(columnLabel));
}
@Override
public Ref getRef(String columnLabel) throws SQLException {
return getRef(checkColumn(columnLabel));
}
@Override
public Blob getBlob(String columnLabel) throws SQLException {
return getBlob(checkColumn(columnLabel));
}
@Override
public Clob getClob(String columnLabel) throws SQLException {
return getClob(checkColumn(columnLabel));
}
@Override
public Array getArray(String columnLabel) throws SQLException {
return getArray(checkColumn(columnLabel));
}
@Override
public Date getDate(int columnIndex, Calendar cal) throws SQLException {
return getDate(columnIndex);
}
@Override
public Date getDate(String columnLabel, Calendar cal) throws SQLException {
return getDate(columnLabel);
}
@Override
public Time getTime(int columnIndex, Calendar cal) throws SQLException {
return getTime(columnIndex);
}
@Override
public Time getTime(String columnLabel, Calendar cal) throws SQLException {
return getTime(columnLabel);
}
@Override
public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
return getTimestamp(columnIndex);
}
@Override
public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
return getTimestamp(columnLabel);
}
@Override
public URL getURL(int columnIndex) throws SQLException {
Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof URL)
return (URL) val;
try {
return new URL(val.toString());
} catch (MalformedURLException e) {
throw new SQLException("Cannot extract url: " + val, e);
}
}
@Override
public URL getURL(String columnLabel) throws SQLException {
return getURL(checkColumn(columnLabel));
}
@Override
public void updateRef(int columnIndex, Ref x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateRef(String columnLabel, Ref x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(int columnIndex, Blob x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(String columnLabel, Blob x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(int columnIndex, Clob x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(String columnLabel, Clob x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateArray(int columnIndex, Array x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateArray(String columnLabel, Array x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public RowId getRowId(int columnIndex) throws SQLException {
Object val = checkColumn(columnIndex);
if (val == null)
return null;
if (val instanceof RowId)
return (RowId) val;
throw new SQLFeatureNotSupportedException();
}
@Override
public RowId getRowId(String columnLabel) throws SQLException {
return getRowId(checkColumn(columnLabel));
}
@Override
public void updateRowId(int columnIndex, RowId x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateRowId(String columnLabel, RowId x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public int getHoldability() throws SQLException {
return statement.getResultSetHoldability();
}
@Override
public boolean isClosed() throws SQLException {
return closed;
}
@Override
public void updateNString(int columnIndex, String nString) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNString(String columnLabel, String nString) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public NClob getNClob(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public NClob getNClob(String columnLabel) throws SQLException {
return getNClob(checkColumn(columnLabel));
}
@Override
public SQLXML getSQLXML(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public SQLXML getSQLXML(String columnLabel) throws SQLException {
return getSQLXML(checkColumn(columnLabel));
}
@Override
public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public String getNString(int columnIndex) throws SQLException {
return getString(columnIndex);
}
@Override
public String getNString(String columnLabel) throws SQLException {
return getString(columnLabel);
}
@Override
public Reader getNCharacterStream(int columnIndex) throws SQLException {
checkColumn(columnIndex);
return null;
}
@Override
public Reader getNCharacterStream(String columnLabel) throws SQLException {
return getNCharacterStream(checkColumn(columnLabel));
}
@Override
public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(int columnIndex, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateClob(String columnLabel, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(int columnIndex, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public void updateNClob(String columnLabel, Reader reader) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public T getObject(int columnIndex, Class type) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public T getObject(String columnLabel, Class type) throws SQLException {
return getObject(checkColumn(columnLabel), type);
}
@Override
public T unwrap(Class iface) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
throw new SQLFeatureNotSupportedException();
}
}