content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.arrow.adapter.jdbc;
  
  import java.io.InputStream;
  import java.io.Reader;
  import java.math.BigDecimal;
  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.SQLType;
  import java.sql.SQLWarning;
  import java.sql.SQLXML;
  import java.sql.Statement;
  import java.sql.Time;
  import java.sql.Timestamp;
  import java.sql.Types;
  import java.util.ArrayList;
  import java.util.Calendar;
  import java.util.List;
  import java.util.Map;
  
  public class ResultSetUtility {
  
    public static ResultSet generateEmptyResultSet() throws SQLException {
      MockDataElement element = new MockDataElement("string_example");
      MockResultSetMetaData.MockColumnMetaData columnMetaData =
          MockResultSetMetaData.MockColumnMetaData.fromDataElement(element, 1);
      ArrayList<MockResultSetMetaData.MockColumnMetaData> cols = new ArrayList<>();
      cols.add(columnMetaData);
      ResultSetMetaData metadata = new MockResultSetMetaData(cols);
      return MockResultSet.builder().setMetaData(metadata).build();
    }
  
    public static MockResultSet generateBasicResultSet(int rows) throws SQLException {
      MockResultSet.Builder builder = MockResultSet.builder();
      for (int i = 0; i < rows; i++) {
        builder.addDataElement("row number: " + (i + 1)).addDataElement("data").finishRow();
      }
      return builder.build();
    }
  
    public static class MockResultSet extends ThrowingResultSet {
      private final List<MockRow> rows;
      private int index = 0;
      private boolean isClosed = false;
      private ResultSetMetaData metadata;
      private boolean wasNull;
  
      public MockResultSet(List<MockRow> rows) throws SQLException {
        this(rows, MockResultSetMetaData.fromRows(rows));
      }
  
      public MockResultSet(List<MockRow> rows, ResultSetMetaData metadata) {
        this.rows = rows;
        this.metadata = metadata;
        this.wasNull = false;
      }
  
      public static Builder builder() {
        return new Builder();
      }
  
      private void throwIfClosed() throws SQLException {
        if (isClosed) {
          throw new SQLException("ResultSet is already closed!");
        }
      }
  
      private void setWasNull(MockDataElement element) {
        wasNull = element.isNull();
      }
  
      @Override
      public boolean next() throws SQLException {
        throwIfClosed();
        index++;
        return index <= rows.size();
      }
  
      @Override
      public void close() throws SQLException {
        throwIfClosed();
        isClosed = true;
      }
  
      @Override
      public boolean isBeforeFirst() throws SQLException {
        throwIfClosed();
        return index == 0;
      }
  
      @Override
      public boolean isAfterLast() throws SQLException {
        return index > rows.size();
      }
  
      @Override
      public boolean isFirst() throws SQLException {
        return index == 1;
      }
  
      @Override
      public boolean isLast() throws SQLException {
        return index == rows.size();
      }
  
      @Override
      public void beforeFirst() throws SQLException {
        index = 0;
      }
  
      @Override
      public void afterLast() throws SQLException {
        index = rows.size();
      }
  
      private MockRow getCurrentRow() throws SQLException {
        throwIfClosed();
        if (index == 0) {
          throw new SQLException("Index is before first element!");
        }
        if (index <= rows.size()) {
          return rows.get(index - 1);
        }
        throw new SQLException("Unable to fetch row at index: " + index);
      }
  
      private MockDataElement getDataElementAtCol(int idx) throws SQLException {
        MockRow row = getCurrentRow();
        MockDataElement element = row.getDataElementAtIndex(idx - 1);
        setWasNull(element);
        return element;
      }
  
      @Override
      public String getString(int idx) throws SQLException {
        return getDataElementAtCol(idx).getString();
      }
  
      @Override
      public boolean getBoolean(int idx) throws SQLException {
        return getDataElementAtCol(idx).getBoolean();
      }
  
      @Override
      public short getShort(int idx) throws SQLException {
        return getDataElementAtCol(idx).getShort();
      }
  
      @Override
      public int getInt(int idx) throws SQLException {
        return getDataElementAtCol(idx).getInt();
      }
  
      @Override
      public long getLong(int idx) throws SQLException {
        return getDataElementAtCol(idx).getLong();
      }
  
      @Override
      public float getFloat(int idx) throws SQLException {
        return getDataElementAtCol(idx).getFloat();
      }
  
      @Override
      public double getDouble(int idx) throws SQLException {
        return getDataElementAtCol(idx).getDouble();
      }
  
      @Override
      public BigDecimal getBigDecimal(int idx) throws SQLException {
        return getDataElementAtCol(idx).getBigDecimal();
      }
  
      @Override
      public Date getDate(int idx) throws SQLException {
        return getDataElementAtCol(idx).getDate();
      }
  
      @Override
      public Time getTime(int idx) throws SQLException {
        return getDataElementAtCol(idx).getTime();
      }
  
      @Override
      public Timestamp getTimestamp(int idx) throws SQLException {
        return getDataElementAtCol(idx).getTimestamp();
      }
  
      @Override
      public ResultSetMetaData getMetaData() throws SQLException {
        return metadata;
      }
  
      @Override
      public boolean wasNull() throws SQLException {
        return wasNull;
      }
  
      public static class Builder {
        private final ArrayList<MockRow> rows;
        private ArrayList<MockDataElement> bufferedElements;
        private ResultSetMetaData metadata;
  
        Builder() {
          this.rows = new ArrayList<>();
          this.bufferedElements = new ArrayList<>();
        }
  
        public Builder finishRow() {
          rows.add(new MockRow(this.bufferedElements));
          this.bufferedElements = new ArrayList<>();
          return this;
        }
  
        public Builder addDataElement(MockDataElement element) {
          this.bufferedElements.add(element);
          return this;
        }
  
        public Builder addDataElement(String str) {
          return this.addDataElement(new MockDataElement(str));
        }
  
        public Builder addDataElement(Object val, int sqlType) {
          return this.addDataElement(new MockDataElement(val, sqlType));
        }
  
        public Builder setMetaData(ResultSetMetaData metadata) {
          this.metadata = metadata;
          return this;
        }
  
        public MockResultSet build() throws SQLException {
          if (this.metadata == null) {
            return new MockResultSet(this.rows);
          }
          return new MockResultSet(this.rows, this.metadata);
        }
      }
    }
  
    public static class MockResultSetMetaData extends ThrowingResultSetMetaData {
      private final List<MockColumnMetaData> columns;
  
      public MockResultSetMetaData(List<MockColumnMetaData> columns) {
        this.columns = columns;
      }
  
      @Override
      public int getColumnCount() throws SQLException {
        return columns.size();
      }
  
      @Override
      public String getColumnLabel(int column) throws SQLException {
        return columns.get(column - 1).getLabel();
      }
  
      @Override
      public String getColumnName(int column) throws SQLException {
        return columns.get(column - 1).getName();
      }
  
      @Override
      public int getColumnType(int column) throws SQLException {
        return columns.get(column - 1).getType();
      }
  
      @Override
      public int getPrecision(int column) throws SQLException {
        return columns.get(column - 1).getPrecision();
      }
  
      @Override
      public int getScale(int column) throws SQLException {
        return columns.get(column - 1).getScale();
      }
  
      @Override
      public int isNullable(int column) throws SQLException {
        return columns.get(column - 1).isNullable();
      }
  
      @Override
      public int getColumnDisplaySize(int column) throws SQLException {
        return columns.get(column - 1).getDisplaySize();
      }
  
      @Override
      public String getColumnTypeName(int column) throws SQLException {
        return columns.get(column - 1).getTypeName();
      }
  
      public static MockResultSetMetaData fromRows(List<MockRow> rows) throws SQLException {
        // Note: This attempts to dynamically construct ResultSetMetaData from the first row in a
        // given result set.
        // If there are now rows, or the result set contains no columns, this cannot be dynamically
        // generated and
        // an exception will be thrown.
        if (rows.size() == 0) {
          throw new SQLException(
              "Unable to dynamically generate ResultSetMetaData because row count is zero!");
        }
        MockRow firstRow = rows.get(0);
        if (firstRow.dataElements.size() == 0) {
          throw new SQLException(
              "Unable to dynamically generate ResultSetMetaData because column count is zero!");
        }
        ArrayList<MockColumnMetaData> columns = new ArrayList<>();
        for (int i = 0; i < firstRow.dataElements.size(); i++) {
          MockDataElement element = firstRow.getDataElementAtIndex(i);
          columns.add(MockColumnMetaData.fromDataElement(element, i));
        }
        return new MockResultSetMetaData(columns);
      }
  
      public static class MockColumnMetaData {
        private int sqlType;
        private int precision;
        private int scale;
        private int nullable;
        private String label;
        private String typeName;
        private int displaySize;
  
        private MockColumnMetaData() {}
  
        private String getLabel() {
          return label;
        }
  
        private String getName() {
          return getLabel();
        }
  
        private int getType() {
          return sqlType;
        }
  
        private int getPrecision() {
          return precision;
        }
  
        private int getScale() {
          return scale;
        }
  
        private int isNullable() {
          return nullable;
        }
  
        private String getTypeName() {
          return typeName;
        }
  
        private int getDisplaySize() {
          return displaySize;
        }
  
        public static MockColumnMetaData fromDataElement(MockDataElement element, int i)
            throws SQLException {
          return MockColumnMetaData.builder()
              .sqlType(element.getSqlType())
              .precision(element.getPrecision())
              .scale(element.getScale())
              .nullable(element.isNullable())
              .setTypeName("TYPE")
              .setDisplaySize(420)
              .label("col_" + i)
              .build();
        }
  
        public static Builder builder() {
          return new Builder();
        }
  
        public static class Builder {
          private MockColumnMetaData columnMetaData = new MockColumnMetaData();
  
          public Builder label(String label) {
            this.columnMetaData.label = label;
            return this;
          }
  
          public Builder sqlType(int sqlType) {
            this.columnMetaData.sqlType = sqlType;
            return this;
          }
  
          public Builder precision(int precision) {
            this.columnMetaData.precision = precision;
            return this;
          }
  
          public Builder scale(int scale) {
            this.columnMetaData.scale = scale;
            return this;
          }
  
          public Builder nullable(int nullable) {
            this.columnMetaData.nullable = nullable;
            return this;
          }
  
          public Builder setTypeName(String typeName) {
            this.columnMetaData.typeName = typeName;
            return this;
          }
  
          public Builder setDisplaySize(int displaySize) {
            this.columnMetaData.displaySize = displaySize;
            return this;
          }
  
          public MockColumnMetaData build() {
            return this.columnMetaData;
          }
        }
      }
    }
  
    public static class MockRow {
      private final List<MockDataElement> dataElements;
  
      public MockRow(List<MockDataElement> elements) {
        this.dataElements = elements;
      }
  
      public MockDataElement getDataElementAtIndex(int idx) throws SQLException {
        if (idx > dataElements.size()) {
          throw new SQLException("Unable to find data element at position: " + idx);
        }
        return dataElements.get(idx);
      }
    }
  
    public static class MockDataElement {
      private final Object value;
      private final int sqlType;
  
      public MockDataElement(String val) {
        this(val, Types.VARCHAR);
      }
  
      public MockDataElement(Object val, int sqlType) {
        this.value = val;
        this.sqlType = sqlType;
      }
  
      private boolean isNull() {
        return value == null;
      }
  
      private String getValueAsString() {
        return value.toString();
      }
  
      private int getPrecision() throws SQLException {
        switch (this.sqlType) {
          case Types.VARCHAR:
            return getValueAsString().length();
          case Types.DECIMAL:
            return getBigDecimal().precision();
          default:
            throw getExceptionToThrow("Unable to determine precision for data type: " + sqlType);
        }
      }
  
      private int getScale() throws SQLException {
        switch (this.sqlType) {
          case Types.VARCHAR:
            return 0;
          case Types.DECIMAL:
            return getBigDecimal().scale();
          default:
            throw getExceptionToThrow("Unable to determine scale for data type!");
        }
      }
  
      private int isNullable() throws SQLException {
        switch (this.sqlType) {
          case Types.VARCHAR:
          case Types.DECIMAL:
            return ResultSetMetaData.columnNullable;
          default:
            return ResultSetMetaData.columnNullableUnknown;
        }
      }
  
      private int getSqlType() throws SQLException {
        return this.sqlType;
      }
  
      public BigDecimal getBigDecimal() throws SQLException {
        if (value == null) {
          return null;
        }
        try {
          return new BigDecimal(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public String getString() throws SQLException {
        if (value == null) {
          return null;
        }
        return getValueAsString();
      }
  
      public boolean getBoolean() throws SQLException {
        if (value == null) {
          return false;
        }
        try {
          return (boolean) value;
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public int getInt() throws SQLException {
        if (value == null) {
          return 0;
        }
        try {
          return Integer.parseInt(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public long getLong() throws SQLException {
        if (value == null) {
          return 0L;
        }
        try {
          return Long.parseLong(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public double getDouble() throws SQLException {
        if (value == null) {
          return 0.0;
        }
        try {
          return Double.parseDouble(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public Date getDate() throws SQLException {
        if (value == null) {
          return null;
        }
        try {
          return Date.valueOf(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public Time getTime() throws SQLException {
        if (value == null) {
          return null;
        }
        try {
          return Time.valueOf(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public Timestamp getTimestamp() throws SQLException {
        if (value == null) {
          return null;
        }
        try {
          return Timestamp.valueOf(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public float getFloat() throws SQLException {
        if (value == null) {
          return 0.0f;
        }
        try {
          return Float.parseFloat(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
  
      public short getShort() throws SQLException {
        if (value == null) {
          return 0;
        }
        try {
          return Short.parseShort(getValueAsString());
        } catch (Exception ex) {
          throw new SQLException(ex);
        }
      }
    }
  
    public static class ThrowingResultSet implements ResultSet {
  
      @Override
      public boolean next() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void close() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean wasNull() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getString(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean getBoolean(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public byte getByte(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public short getShort(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getInt(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public long getLong(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public float getFloat(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public double getDouble(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public byte[] getBytes(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Date getDate(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Time getTime(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Timestamp getTimestamp(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public InputStream getAsciiStream(int columnIndex) throws SQLException {
        return null;
      }
  
      @Override
      public InputStream getUnicodeStream(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public InputStream getBinaryStream(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getString(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean getBoolean(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public byte getByte(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public short getShort(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getInt(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public long getLong(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public float getFloat(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public double getDouble(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public byte[] getBytes(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Date getDate(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Time getTime(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Timestamp getTimestamp(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public InputStream getAsciiStream(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public InputStream getUnicodeStream(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public InputStream getBinaryStream(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public SQLWarning getWarnings() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void clearWarnings() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getCursorName() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public ResultSetMetaData getMetaData() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Object getObject(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Object getObject(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int findColumn(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Reader getCharacterStream(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Reader getCharacterStream(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public BigDecimal getBigDecimal(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isBeforeFirst() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isAfterLast() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isFirst() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isLast() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void beforeFirst() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void afterLast() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean first() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean last() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean absolute(int row) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean relative(int rows) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean previous() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getFetchDirection() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void setFetchDirection(int direction) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getFetchSize() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void setFetchSize(int rows) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getType() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getConcurrency() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean rowUpdated() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean rowInserted() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean rowDeleted() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNull(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBoolean(int columnIndex, boolean x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateByte(int columnIndex, byte x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateShort(int columnIndex, short x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateInt(int columnIndex, int x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateLong(int columnIndex, long x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateFloat(int columnIndex, float x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateDouble(int columnIndex, double x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateString(int columnIndex, String x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBytes(int columnIndex, byte[] x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateDate(int columnIndex, Date x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateTime(int columnIndex, Time x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(int columnIndex, Object x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNull(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBoolean(String columnLabel, boolean x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateByte(String columnLabel, byte x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateShort(String columnLabel, short x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateInt(String columnLabel, int x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateLong(String columnLabel, long x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateFloat(String columnLabel, float x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateDouble(String columnLabel, double x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateString(String columnLabel, String x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBytes(String columnLabel, byte[] x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateDate(String columnLabel, Date x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateTime(String columnLabel, Time x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateTimestamp(String columnLabel, Timestamp x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(String columnLabel, InputStream x, int length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(String columnLabel, InputStream x, int length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(String columnLabel, Reader reader, int length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(String columnLabel, Object x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void insertRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void deleteRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void refreshRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void cancelRowUpdates() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void moveToInsertRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void moveToCurrentRow() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Statement getStatement() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Object getObject(int columnIndex, Map<String, Class<?>> map) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Ref getRef(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Blob getBlob(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Clob getClob(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Array getArray(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Object getObject(String columnLabel, Map<String, Class<?>> map) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Ref getRef(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Blob getBlob(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Clob getClob(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Array getArray(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Date getDate(int columnIndex, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Date getDate(String columnLabel, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Time getTime(int columnIndex, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Time getTime(String columnLabel, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public URL getURL(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public URL getURL(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateRef(int columnIndex, Ref x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateRef(String columnLabel, Ref x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(int columnIndex, Blob x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(String columnLabel, Blob x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(int columnIndex, Clob x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(String columnLabel, Clob x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateArray(int columnIndex, Array x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateArray(String columnLabel, Array x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public RowId getRowId(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public RowId getRowId(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateRowId(int columnIndex, RowId x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateRowId(String columnLabel, RowId x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getHoldability() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isClosed() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNString(int columnIndex, String nString) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNString(String columnLabel, String nString) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public NClob getNClob(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public NClob getNClob(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public SQLXML getSQLXML(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public SQLXML getSQLXML(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getNString(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getNString(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Reader getNCharacterStream(int columnIndex) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public Reader getNCharacterStream(String columnLabel) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNCharacterStream(String columnLabel, Reader reader, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(int columnIndex, InputStream x, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(String columnLabel, InputStream x, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(String columnLabel, InputStream x, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(String columnLabel, Reader reader, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(int columnIndex, InputStream inputStream, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(String columnLabel, InputStream inputStream, long length)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(int columnIndex, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateClob(String columnLabel, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(int columnIndex, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateNClob(String columnLabel, Reader reader) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public <T> T getObject(int columnIndex, Class<T> type) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(int columnIndex, Object x, SQLType targetSqlType, int scaleOrLength)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(String columnLabel, Object x, SQLType targetSqlType, int scaleOrLength)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(int columnIndex, Object x, SQLType targetSqlType) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public void updateObject(String columnLabel, Object x, SQLType targetSqlType)
          throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public <T> T unwrap(Class<T> iface) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isWrapperFor(Class<?> iface) throws SQLException {
        throw getExceptionToThrow();
      }
    }
  
    private static SQLException getExceptionToThrow() {
      return getExceptionToThrow("Method is not implemented!");
    }
  
    private static SQLException getExceptionToThrow(String message) {
      return new SQLException(message);
    }
  
    public static class ThrowingResultSetMetaData implements ResultSetMetaData {
      @Override
      public int getColumnCount() throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isAutoIncrement(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isCaseSensitive(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isSearchable(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isCurrency(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int isNullable(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isSigned(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getColumnDisplaySize(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getColumnLabel(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getColumnName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getSchemaName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getPrecision(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getScale(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getTableName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getCatalogName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public int getColumnType(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getColumnTypeName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isReadOnly(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isWritable(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isDefinitelyWritable(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public String getColumnClassName(int column) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public <T> T unwrap(Class<T> iface) throws SQLException {
        throw getExceptionToThrow();
      }
  
      @Override
      public boolean isWrapperFor(Class<?> iface) throws SQLException {
        throw getExceptionToThrow();
      }
    }
  }
  