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Example 36 with DataType

use of org.h2.mvstore.type.DataType in project h2database by h2database.

the class JavaAggregate method optimize.

@Override
public Expression optimize(Session session) {
    userConnection = session.createConnection(false);
    int len = args.length;
    argTypes = new int[len];
    for (int i = 0; i < len; i++) {
        Expression expr = args[i];
        args[i] = expr.optimize(session);
        int type = expr.getType();
        argTypes[i] = type;
    }
    try {
        Aggregate aggregate = getInstance();
        dataType = aggregate.getInternalType(argTypes);
    } catch (SQLException e) {
        throw DbException.convert(e);
    }
    if (filterCondition != null) {
        filterCondition = filterCondition.optimize(session);
    }
    return this;
}
Also used : SQLException(java.sql.SQLException) UserAggregate(org.h2.engine.UserAggregate) Aggregate(org.h2.api.Aggregate)

Example 37 with DataType

use of org.h2.mvstore.type.DataType in project h2database by h2database.

the class Operation method getValue.

@Override
public Value getValue(Session session) {
    Value l = left.getValue(session).convertTo(dataType);
    Value r;
    if (right == null) {
        r = null;
    } else {
        r = right.getValue(session);
        if (convertRight) {
            r = r.convertTo(dataType);
        }
    }
    switch(opType) {
        case NEGATE:
            return l == ValueNull.INSTANCE ? l : l.negate();
        case CONCAT:
            {
                Mode mode = session.getDatabase().getMode();
                if (l == ValueNull.INSTANCE) {
                    if (mode.nullConcatIsNull) {
                        return ValueNull.INSTANCE;
                    }
                    return r;
                } else if (r == ValueNull.INSTANCE) {
                    if (mode.nullConcatIsNull) {
                        return ValueNull.INSTANCE;
                    }
                    return l;
                }
                String s1 = l.getString(), s2 = r.getString();
                StringBuilder buff = new StringBuilder(s1.length() + s2.length());
                buff.append(s1).append(s2);
                return ValueString.get(buff.toString());
            }
        case PLUS:
            if (l == ValueNull.INSTANCE || r == ValueNull.INSTANCE) {
                return ValueNull.INSTANCE;
            }
            return l.add(r);
        case MINUS:
            if (l == ValueNull.INSTANCE || r == ValueNull.INSTANCE) {
                return ValueNull.INSTANCE;
            }
            return l.subtract(r);
        case MULTIPLY:
            if (l == ValueNull.INSTANCE || r == ValueNull.INSTANCE) {
                return ValueNull.INSTANCE;
            }
            return l.multiply(r);
        case DIVIDE:
            if (l == ValueNull.INSTANCE || r == ValueNull.INSTANCE) {
                return ValueNull.INSTANCE;
            }
            return l.divide(r);
        case MODULUS:
            if (l == ValueNull.INSTANCE || r == ValueNull.INSTANCE) {
                return ValueNull.INSTANCE;
            }
            return l.modulus(r);
        default:
            throw DbException.throwInternalError("type=" + opType);
    }
}
Also used : Mode(org.h2.engine.Mode) Value(org.h2.value.Value) ValueString(org.h2.value.ValueString)

Example 38 with DataType

use of org.h2.mvstore.type.DataType in project h2database by h2database.

the class Value method convertTo.

/**
 * Compare a value to the specified type.
 *
 * @param targetType the type of the returned value
 * @param precision the precision of the column to convert this value to.
 *        The special constant <code>-1</code> is used to indicate that
 *        the precision plays no role when converting the value
 * @param mode the conversion mode
 * @param column the column (if any), used for to improve the error message if conversion fails
 * @param enumerators the ENUM datatype enumerators (if any),
 *        for dealing with ENUM conversions
 * @return the converted value
 */
public Value convertTo(int targetType, int precision, Mode mode, Object column, String[] enumerators) {
    // converting BLOB to CLOB and vice versa is done in ValueLob
    if (getType() == targetType) {
        return this;
    }
    try {
        // decimal conversion
        switch(targetType) {
            case BOOLEAN:
                {
                    switch(getType()) {
                        case BYTE:
                        case SHORT:
                        case INT:
                        case LONG:
                        case DECIMAL:
                        case DOUBLE:
                        case FLOAT:
                            return ValueBoolean.get(getSignum() != 0);
                        case TIME:
                        case DATE:
                        case TIMESTAMP:
                        case TIMESTAMP_TZ:
                        case BYTES:
                        case JAVA_OBJECT:
                        case UUID:
                        case ENUM:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case BYTE:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueByte.get(getBoolean() ? (byte) 1 : (byte) 0);
                        case SHORT:
                        case ENUM:
                        case INT:
                            return ValueByte.get(convertToByte(getInt(), column));
                        case LONG:
                            return ValueByte.get(convertToByte(getLong(), column));
                        case DECIMAL:
                            return ValueByte.get(convertToByte(convertToLong(getBigDecimal(), column), column));
                        case DOUBLE:
                            return ValueByte.get(convertToByte(convertToLong(getDouble(), column), column));
                        case FLOAT:
                            return ValueByte.get(convertToByte(convertToLong(getFloat(), column), column));
                        case BYTES:
                            return ValueByte.get((byte) Integer.parseInt(getString(), 16));
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case SHORT:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueShort.get(getBoolean() ? (short) 1 : (short) 0);
                        case BYTE:
                            return ValueShort.get(getByte());
                        case ENUM:
                        case INT:
                            return ValueShort.get(convertToShort(getInt(), column));
                        case LONG:
                            return ValueShort.get(convertToShort(getLong(), column));
                        case DECIMAL:
                            return ValueShort.get(convertToShort(convertToLong(getBigDecimal(), column), column));
                        case DOUBLE:
                            return ValueShort.get(convertToShort(convertToLong(getDouble(), column), column));
                        case FLOAT:
                            return ValueShort.get(convertToShort(convertToLong(getFloat(), column), column));
                        case BYTES:
                            return ValueShort.get((short) Integer.parseInt(getString(), 16));
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case INT:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueInt.get(getBoolean() ? 1 : 0);
                        case BYTE:
                        case ENUM:
                        case SHORT:
                            return ValueInt.get(getInt());
                        case LONG:
                            return ValueInt.get(convertToInt(getLong(), column));
                        case DECIMAL:
                            return ValueInt.get(convertToInt(convertToLong(getBigDecimal(), column), column));
                        case DOUBLE:
                            return ValueInt.get(convertToInt(convertToLong(getDouble(), column), column));
                        case FLOAT:
                            return ValueInt.get(convertToInt(convertToLong(getFloat(), column), column));
                        case BYTES:
                            return ValueInt.get((int) Long.parseLong(getString(), 16));
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case LONG:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueLong.get(getBoolean() ? 1 : 0);
                        case BYTE:
                        case SHORT:
                        case ENUM:
                        case INT:
                            return ValueLong.get(getInt());
                        case DECIMAL:
                            return ValueLong.get(convertToLong(getBigDecimal(), column));
                        case DOUBLE:
                            return ValueLong.get(convertToLong(getDouble(), column));
                        case FLOAT:
                            return ValueLong.get(convertToLong(getFloat(), column));
                        case BYTES:
                            {
                                // parseLong doesn't work for ffffffffffffffff
                                byte[] d = getBytes();
                                if (d.length == 8) {
                                    return ValueLong.get(Bits.readLong(d, 0));
                                }
                                return ValueLong.get(Long.parseLong(getString(), 16));
                            }
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case DECIMAL:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueDecimal.get(BigDecimal.valueOf(getBoolean() ? 1 : 0));
                        case BYTE:
                        case SHORT:
                        case ENUM:
                        case INT:
                            return ValueDecimal.get(BigDecimal.valueOf(getInt()));
                        case LONG:
                            return ValueDecimal.get(BigDecimal.valueOf(getLong()));
                        case DOUBLE:
                            {
                                double d = getDouble();
                                if (Double.isInfinite(d) || Double.isNaN(d)) {
                                    throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, "" + d);
                                }
                                return ValueDecimal.get(BigDecimal.valueOf(d));
                            }
                        case FLOAT:
                            {
                                float f = getFloat();
                                if (Float.isInfinite(f) || Float.isNaN(f)) {
                                    throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, "" + f);
                                }
                                // better rounding behavior than BigDecimal.valueOf(f)
                                return ValueDecimal.get(new BigDecimal(Float.toString(f)));
                            }
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case DOUBLE:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueDouble.get(getBoolean() ? 1 : 0);
                        case BYTE:
                        case SHORT:
                        case INT:
                            return ValueDouble.get(getInt());
                        case LONG:
                            return ValueDouble.get(getLong());
                        case DECIMAL:
                            return ValueDouble.get(getBigDecimal().doubleValue());
                        case FLOAT:
                            return ValueDouble.get(getFloat());
                        case ENUM:
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case FLOAT:
                {
                    switch(getType()) {
                        case BOOLEAN:
                            return ValueFloat.get(getBoolean() ? 1 : 0);
                        case BYTE:
                        case SHORT:
                        case INT:
                            return ValueFloat.get(getInt());
                        case LONG:
                            return ValueFloat.get(getLong());
                        case DECIMAL:
                            return ValueFloat.get(getBigDecimal().floatValue());
                        case DOUBLE:
                            return ValueFloat.get((float) getDouble());
                        case ENUM:
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case DATE:
                {
                    switch(getType()) {
                        case TIME:
                            // this will be the result
                            return ValueDate.fromDateValue(DateTimeUtils.EPOCH_DATE_VALUE);
                        case TIMESTAMP:
                            return ValueDate.fromDateValue(((ValueTimestamp) this).getDateValue());
                        case TIMESTAMP_TZ:
                            {
                                ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
                                long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
                                long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
                                return ValueDate.fromMillis(millis);
                            }
                        case ENUM:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case TIME:
                {
                    switch(getType()) {
                        case DATE:
                            // has the time set to 0, the result will be 0
                            return ValueTime.fromNanos(0);
                        case TIMESTAMP:
                            return ValueTime.fromNanos(((ValueTimestamp) this).getTimeNanos());
                        case TIMESTAMP_TZ:
                            {
                                ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
                                long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
                                long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
                                return ValueTime.fromNanos(DateTimeUtils.nanosFromDate(millis) + timeNanos % 1_000_000);
                            }
                        case ENUM:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case TIMESTAMP:
                {
                    switch(getType()) {
                        case TIME:
                            return DateTimeUtils.normalizeTimestamp(0, ((ValueTime) this).getNanos());
                        case DATE:
                            return ValueTimestamp.fromDateValueAndNanos(((ValueDate) this).getDateValue(), 0);
                        case TIMESTAMP_TZ:
                            {
                                ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
                                long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
                                long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
                                return ValueTimestamp.fromMillisNanos(millis, (int) (timeNanos % 1_000_000));
                            }
                        case ENUM:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case TIMESTAMP_TZ:
                {
                    switch(getType()) {
                        case TIME:
                            {
                                ValueTimestamp ts = DateTimeUtils.normalizeTimestamp(0, ((ValueTime) this).getNanos());
                                return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(ts.getDateValue(), ts.getTimeNanos());
                            }
                        case DATE:
                            return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(((ValueDate) this).getDateValue(), 0);
                        case TIMESTAMP:
                            {
                                ValueTimestamp ts = (ValueTimestamp) this;
                                return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(ts.getDateValue(), ts.getTimeNanos());
                            }
                        case ENUM:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case BYTES:
                {
                    switch(getType()) {
                        case JAVA_OBJECT:
                        case BLOB:
                            return ValueBytes.getNoCopy(getBytesNoCopy());
                        case UUID:
                        case GEOMETRY:
                            return ValueBytes.getNoCopy(getBytes());
                        case BYTE:
                            return ValueBytes.getNoCopy(new byte[] { getByte() });
                        case SHORT:
                            {
                                int x = getShort();
                                return ValueBytes.getNoCopy(new byte[] { (byte) (x >> 8), (byte) x });
                            }
                        case INT:
                            {
                                byte[] b = new byte[4];
                                Bits.writeInt(b, 0, getInt());
                                return ValueBytes.getNoCopy(b);
                            }
                        case LONG:
                            {
                                byte[] b = new byte[8];
                                Bits.writeLong(b, 0, getLong());
                                return ValueBytes.getNoCopy(b);
                            }
                        case ENUM:
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case JAVA_OBJECT:
                {
                    switch(getType()) {
                        case BYTES:
                        case BLOB:
                            return ValueJavaObject.getNoCopy(null, getBytesNoCopy(), getDataHandler());
                        case ENUM:
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case ENUM:
                {
                    switch(getType()) {
                        case BYTE:
                        case SHORT:
                        case INT:
                        case LONG:
                        case DECIMAL:
                            return ValueEnum.get(enumerators, getInt());
                        case STRING:
                        case STRING_IGNORECASE:
                        case STRING_FIXED:
                            return ValueEnum.get(enumerators, getString());
                        case JAVA_OBJECT:
                            Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
                            if (object instanceof String) {
                                return ValueEnum.get(enumerators, (String) object);
                            } else if (object instanceof Integer) {
                                return ValueEnum.get(enumerators, (int) object);
                            }
                        // $FALL-THROUGH$
                        default:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                }
            case BLOB:
                {
                    switch(getType()) {
                        case BYTES:
                            return ValueLobDb.createSmallLob(Value.BLOB, getBytesNoCopy());
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case UUID:
                {
                    switch(getType()) {
                        case BYTES:
                            return ValueUuid.get(getBytesNoCopy());
                        case JAVA_OBJECT:
                            Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
                            if (object instanceof java.util.UUID) {
                                return ValueUuid.get((java.util.UUID) object);
                            }
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
            case GEOMETRY:
                {
                    switch(getType()) {
                        case BYTES:
                            return ValueGeometry.get(getBytesNoCopy());
                        case JAVA_OBJECT:
                            Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
                            if (DataType.isGeometry(object)) {
                                return ValueGeometry.getFromGeometry(object);
                            }
                        // $FALL-THROUGH$
                        case TIMESTAMP_TZ:
                            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
                    }
                    break;
                }
        }
        // conversion by parsing the string value
        String s = getString();
        switch(targetType) {
            case NULL:
                return ValueNull.INSTANCE;
            case BOOLEAN:
                {
                    if (s.equalsIgnoreCase("true") || s.equalsIgnoreCase("t") || s.equalsIgnoreCase("yes") || s.equalsIgnoreCase("y")) {
                        return ValueBoolean.TRUE;
                    } else if (s.equalsIgnoreCase("false") || s.equalsIgnoreCase("f") || s.equalsIgnoreCase("no") || s.equalsIgnoreCase("n")) {
                        return ValueBoolean.FALSE;
                    } else {
                        // convert to a number, and if it is not 0 then it is true
                        return ValueBoolean.get(new BigDecimal(s).signum() != 0);
                    }
                }
            case BYTE:
                return ValueByte.get(Byte.parseByte(s.trim()));
            case SHORT:
                return ValueShort.get(Short.parseShort(s.trim()));
            case INT:
                return ValueInt.get(Integer.parseInt(s.trim()));
            case LONG:
                return ValueLong.get(Long.parseLong(s.trim()));
            case DECIMAL:
                return ValueDecimal.get(new BigDecimal(s.trim()));
            case TIME:
                return ValueTime.parse(s.trim());
            case DATE:
                return ValueDate.parse(s.trim());
            case TIMESTAMP:
                return ValueTimestamp.parse(s.trim(), mode);
            case TIMESTAMP_TZ:
                return ValueTimestampTimeZone.parse(s.trim());
            case BYTES:
                return ValueBytes.getNoCopy(StringUtils.convertHexToBytes(s.trim()));
            case JAVA_OBJECT:
                return ValueJavaObject.getNoCopy(null, StringUtils.convertHexToBytes(s.trim()), getDataHandler());
            case STRING:
                return ValueString.get(s);
            case STRING_IGNORECASE:
                return ValueStringIgnoreCase.get(s);
            case STRING_FIXED:
                return ValueStringFixed.get(s, precision, mode);
            case DOUBLE:
                return ValueDouble.get(Double.parseDouble(s.trim()));
            case FLOAT:
                return ValueFloat.get(Float.parseFloat(s.trim()));
            case CLOB:
                return ValueLobDb.createSmallLob(CLOB, s.getBytes(StandardCharsets.UTF_8));
            case BLOB:
                return ValueLobDb.createSmallLob(BLOB, StringUtils.convertHexToBytes(s.trim()));
            case ARRAY:
                return ValueArray.get(new Value[] { ValueString.get(s) });
            case RESULT_SET:
                {
                    SimpleResultSet rs = new SimpleResultSet();
                    rs.setAutoClose(false);
                    rs.addColumn("X", Types.VARCHAR, s.length(), 0);
                    rs.addRow(s);
                    return ValueResultSet.get(rs);
                }
            case UUID:
                return ValueUuid.get(s);
            case GEOMETRY:
                return ValueGeometry.get(s);
            default:
                if (JdbcUtils.customDataTypesHandler != null) {
                    return JdbcUtils.customDataTypesHandler.convert(this, targetType);
                }
                throw DbException.throwInternalError("type=" + targetType);
        }
    } catch (NumberFormatException e) {
        throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, e, getString());
    }
}
Also used : SimpleResultSet(org.h2.tools.SimpleResultSet) BigDecimal(java.math.BigDecimal)

Example 39 with DataType

use of org.h2.mvstore.type.DataType in project h2database by h2database.

the class Page method recalculateMemory.

private void recalculateMemory() {
    int mem = DataUtils.PAGE_MEMORY;
    DataType keyType = map.getKeyType();
    for (Object key : keys) {
        mem += keyType.getMemory(key);
    }
    if (this.isLeaf()) {
        DataType valueType = map.getValueType();
        for (int i = 0; i < keys.length; i++) {
            mem += valueType.getMemory(values[i]);
        }
    } else {
        mem += this.getRawChildPageCount() * DataUtils.PAGE_MEMORY_CHILD;
    }
    addMemory(mem - memory);
}
Also used : DataType(org.h2.mvstore.type.DataType)

Example 40 with DataType

use of org.h2.mvstore.type.DataType in project h2database by h2database.

the class TestMVStore method testLargeImport.

private void testLargeImport() {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    int len = 1000;
    for (int j = 0; j < 5; j++) {
        FileUtils.delete(fileName);
        MVStore s = openStore(fileName, 40);
        MVMap<Integer, Object[]> m = s.openMap("data", new MVMap.Builder<Integer, Object[]>().valueType(new RowDataType(new DataType[] { new ObjectDataType(), StringDataType.INSTANCE, StringDataType.INSTANCE })));
        // long t = System.nanoTime();
        for (int i = 0; i < len; ) {
            Object[] o = new Object[3];
            o[0] = i;
            o[1] = "Hello World";
            o[2] = "World";
            m.put(i, o);
            i++;
            if (i % 10000 == 0) {
                s.commit();
            }
        }
        s.close();
    // System.out.println(prof.getTop(5));
    // System.out.println("store time " +
    // TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - t));
    // System.out.println("store size " +
    // FileUtils.size(fileName));
    }
}
Also used : MVStore(org.h2.mvstore.MVStore) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) ObjectDataType(org.h2.mvstore.type.ObjectDataType)

Aggregations

Value (org.h2.value.Value)16 ValueString (org.h2.value.ValueString)13 DataType (org.h2.value.DataType)12 Expression (org.h2.expression.Expression)6 Column (org.h2.table.Column)6 Constraint (org.h2.constraint.Constraint)5 UserDataType (org.h2.engine.UserDataType)5 UserAggregate (org.h2.engine.UserAggregate)4 Index (org.h2.index.Index)4 Table (org.h2.table.Table)4 ArrayList (java.util.ArrayList)3 IgniteSQLException (org.apache.ignite.internal.processors.query.IgniteSQLException)3 Mode (org.h2.engine.Mode)3 ValueExpression (org.h2.expression.ValueExpression)3 SearchRow (org.h2.result.SearchRow)3 Schema (org.h2.schema.Schema)3 SimpleResultSet (org.h2.tools.SimpleResultSet)3 StatementBuilder (org.h2.util.StatementBuilder)3 CompareMode (org.h2.value.CompareMode)3 IOException (java.io.IOException)2