Package org.lealone.value

Examples of org.lealone.value.Value

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    }

    private void nextCursor() {
        if (inList != null) {
            while (inListIndex < inList.length) {
                Value v = inList[inListIndex++];
                if (v != ValueNull.INSTANCE) {
                    find(v);
                    break;
                }
            }
        } else if (inResult != null) {
            while (inResult.next()) {
                Value v = inResult.currentRow()[0];
                if (v != ValueNull.INSTANCE) {
                    v = inColumn.convert(v);
                    if (inResultTested == null) {
                        inResultTested = new HashSet<Value>();
                    }
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     * @return the value list
     */
    public Value[] getCurrentValueList(Session session) {
        HashSet<Value> valueSet = new HashSet<Value>();
        for (Expression e : expressionList) {
            Value v = e.getValue(session);
            v = column.convert(v);
            valueSet.add(v);
        }
        Value[] array = new Value[valueSet.size()];
        valueSet.toArray(array);
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                return false;
            }
            current = table.getTemplateRow();
            Value[] values = result.currentRow();
            for (int i = 0, len = current.getColumnCount(); i < len; i++) {
                Value v = i < values.length ? values[i] : ValueNull.INSTANCE;
                current.setValue(i, v);
            }
            int comp;
            if (first != null) {
                comp = index.compareRows(current, first);
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    public static SQLRoutingInfo getSQLRoutingInfo( //
            HBaseSession session, WhereClauseSupport whereClauseSupport, Prepared prepared) throws Exception {
        whereClauseSupport.getTableFilter().setIndexConditionsParsed(false);
        byte[] tableName = whereClauseSupport.getTableNameAsBytes();
        Value startValue = whereClauseSupport.getStartRowKeyValue();
        Value endValue = whereClauseSupport.getEndRowKeyValue();

        String sql = prepared.getSQL();

        byte[] start = null;
        byte[] end = null;
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    public void add(Session session, Row row) {
        ArrayList<Value> params = New.arrayList();
        StatementBuilder buff = new StatementBuilder("INSERT INTO ");
        buff.append(targetTableName).append(" VALUES(");
        for (int i = 0; i < row.getColumnCount(); i++) {
            Value v = row.getValue(i);
            buff.appendExceptFirst(", ");
            if (v == null) {
                buff.append("DEFAULT");
            } else if (isNull(v)) {
                buff.append("NULL");
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    public Cursor find(Session session, SearchRow first, SearchRow last) {
        ArrayList<Value> params = New.arrayList();
        StatementBuilder buff = new StatementBuilder("SELECT * FROM ");
        buff.append(targetTableName).append(" T");
        for (int i = 0; first != null && i < first.getColumnCount(); i++) {
            Value v = first.getValue(i);
            if (v != null) {
                buff.appendOnlyFirst(" WHERE ");
                buff.appendExceptFirst(" AND ");
                Column col = table.getColumn(i);
                buff.append(col.getSQL());
                if (v == ValueNull.INSTANCE) {
                    buff.append(" IS NULL");
                } else {
                    buff.append(">=");
                    addParameter(buff, col);
                    params.add(v);
                }
            }
        }
        for (int i = 0; last != null && i < last.getColumnCount(); i++) {
            Value v = last.getValue(i);
            if (v != null) {
                buff.appendOnlyFirst(" WHERE ");
                buff.appendExceptFirst(" AND ");
                Column col = table.getColumn(i);
                buff.append(col.getSQL());
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        buff.append(targetTableName).append(" WHERE ");
        for (int i = 0; i < row.getColumnCount(); i++) {
            buff.appendExceptFirst("AND ");
            Column col = table.getColumn(i);
            buff.append(col.getSQL());
            Value v = row.getValue(i);
            if (isNull(v)) {
                buff.append(" IS NULL ");
            } else {
                buff.append('=');
                addParameter(buff, col);
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        StatementBuilder buff = new StatementBuilder("UPDATE ");
        buff.append(targetTableName).append(" SET ");
        for (int i = 0; i < newRow.getColumnCount(); i++) {
            buff.appendExceptFirst(", ");
            buff.append(table.getColumn(i).getSQL()).append('=');
            Value v = newRow.getValue(i);
            if (v == null) {
                buff.append("DEFAULT");
            } else {
                buff.append('?');
                params.add(v);
            }
        }
        buff.append(" WHERE ");
        buff.resetCount();
        for (int i = 0; i < oldRow.getColumnCount(); i++) {
            Column col = table.getColumn(i);
            buff.appendExceptFirst(" AND ");
            buff.append(col.getSQL());
            Value v = oldRow.getValue(i);
            if (isNull(v)) {
                buff.append(" IS NULL");
            } else {
                buff.append('=');
                params.add(v);
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    public int getMemory() {
        if (memory == 0) {
            int len = data.length;
            memory = Constants.MEMORY_OBJECT + len * Constants.MEMORY_POINTER;
            for (int i = 0; i < len; i++) {
                Value v = data[i];
                if (v != null) {
                    memory += v.getMemory();
                }
            }
        }
        return memory;
    }
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        buff.writeLong(r.getKey());
        buff.writeInt(r.getVersion());
        buff.writeInt(r.isDeleted() ? 1 : 0);
        buff.writeInt(r.getSessionId());
        for (int i = 0; i < columnCount; i++) {
            Value v = r.getValue(i);
            buff.checkCapacity(1);
            if (v == null) {
                buff.writeByte((byte) 0);
            } else {
                buff.writeByte((byte) 1);
                if (v.getType() == Value.CLOB || v.getType() == Value.BLOB) {
                    // need to keep a reference to temporary lobs,
                    // otherwise the temp file is deleted
                    if (v.getSmall() == null && v.getTableId() == 0) {
                        if (lobs == null) {
                            lobs = New.arrayList();
                        }
                        // need to create a copy, otherwise,
                        // if stored multiple times, it may be renamed
                        // and then not found
                        v = v.copyToTemp();
                        lobs.add(v);
                    }
                }
                buff.checkCapacity(buff.getValueLen(v));
                buff.writeValue(v);
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Related Classes of org.lealone.value.Value

  • org.lealone.command.CommandContainer
  • org.lealone.command.CommandRemote
  • org.lealone.command.ddl.CreateConstant
  • org.lealone.command.dml.Call
  • org.lealone.command.dml.Delete
  • org.lealone.command.dml.Insert
  • org.lealone.command.dml.Merge
  • org.lealone.command.dml.Query
  • org.lealone.command.dml.ScriptCommand
  • org.lealone.command.dml.Select
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