Examples with QueryAggregate com.servoy.j2db.query.QueryAggregate used on opensource projects

Example 6 with QueryAggregate

use of com.servoy.j2db.query.QueryAggregate in project servoy-client by Servoy.

the class PartNode method process.

public List<DataRendererDefinition> process(FormPreviewPanel fpp, FoundSet fs, Table table, QuerySelect sqlString) throws Exception {
    // Selection model must be in print mode to be able to set the selection to -1  . Otherwise is not allowed by the selectionModel
    ((ISwingFoundSet) fs).getSelectionModel().hideSelectionForPrinting();
    // this is needed because we must keep sql the same in foundset during printing
    FoundSet rootSet = (FoundSet) fs.copy(false);
    foundSets.add(rootSet);
    IApplication app = fpp.getApplication();
    // retval
    List<DataRendererDefinition> list = new ArrayList<DataRendererDefinition>();
    if (part != null && (part.getPartType() == Part.LEADING_SUBSUMMARY || part.getPartType() == Part.TRAILING_SUBSUMMARY || isLeadingAndTrailingSubsummary)) {
        QuerySelect newSQLString = AbstractBaseQuery.deepClone(sqlString);
        IDataServer server = app.getDataServer();
        // build the sql parts  based on sort columns
        ArrayList<IQuerySelectValue> selectCols = new ArrayList<IQuerySelectValue>();
        ArrayList<QueryColumn> groupbyCols = new ArrayList<QueryColumn>();
        ArrayList<QuerySort> sortbyCols = new ArrayList<QuerySort>();
        for (SortColumn element : sortColumns) {
            BaseQueryTable queryTable = sqlString.getTable();
            Relation[] relations = element.getRelations();
            if (relations != null) {
                for (Relation relation : relations) {
                    ISQLTableJoin join = (ISQLTableJoin) sqlString.getJoin(queryTable, relation.getName());
                    if (join == null) {
                        // $NON-NLS-1$ //$NON-NLS-2$
                        Debug.log("Missing relation " + relation.getName() + " in join condition for form on table " + table.getName());
                    } else {
                        queryTable = join.getForeignTable();
                    }
                }
            }
            Column column = (Column) element.getColumn();
            QueryColumn queryColumn = column.queryColumn(queryTable);
            selectCols.add(queryColumn);
            groupbyCols.add(queryColumn);
            sortbyCols.add(new QuerySort(queryColumn, element.getSortOrder() == SortColumn.ASCENDING, fs.getFoundSetManager().getSortOptions(column)));
        }
        // make sql
        for (AggregateVariable ag : allAggregates) {
            selectCols.add(new QueryAggregate(ag.getType(), new QueryColumn(newSQLString.getTable(), -1, ag.getColumnNameToAggregate(), ag.getDataProviderType(), ag.getLength(), 0, null, ag.getFlags()), ag.getName()));
        }
        newSQLString.setColumns(selectCols);
        newSQLString.setGroupBy(groupbyCols);
        ArrayList<IQuerySort> oldSort = newSQLString.getSorts();
        // fix the sort (if columns not are selected of used in groupby they cannot be used in sort)
        newSQLString.setSorts(sortbyCols);
        FoundSetManager foundSetManager = ((FoundSetManager) app.getFoundSetManager());
        String transaction_id = foundSetManager.getTransactionID(table.getServerName());
        IDataSet data = server.performQuery(app.getClientID(), table.getServerName(), transaction_id, newSQLString, null, foundSetManager.getTableFilterParams(table.getServerName(), newSQLString), false, 0, foundSetManager.config.pkChunkSize() * 4, IDataServer.PRINT_QUERY);
        // create a new FoundSet with 'data' and with right 'table', 'where','whereArgs'
        SubSummaryFoundSet newSet = new SubSummaryFoundSet(app.getFoundSetManager(), rootSet, sortColumns, allAggregates, data, table);
        // restore the sort for child body parts
        newSQLString.setSorts(oldSort);
        // make new where for use in sub queries
        for (QuerySort sortbyCol : sortbyCols) {
            QueryColumn sc = (QueryColumn) (sortbyCol).getColumn();
            newSQLString.addCondition(SQLGenerator.CONDITION_SEARCH, new CompareCondition(IBaseSQLCondition.EQUALS_OPERATOR, sc, new Placeholder(new TablePlaceholderKey(sc.getTable(), '#' + sc.getName()))));
        }
        int count = newSet.getSize();
        for (int ii = 0; ii < count; ii++) {
            // make copy for setting sort column
            QuerySelect newSQLStringCopy = AbstractBaseQuery.deepClone(newSQLString);
            // handle the child first, this puts the rootset in the right state! for use of related(!) fields in the subsums
            // THIS is EXTREMELY important for correct printing, see also SubSummaryFoundSet.queryForRelatedFoundSet
            List<DataRendererDefinition> childRetval = null;
            IFoundSetInternal curLeafFoundSet = null;
            if (child != null) {
                for (int i = 0; i < sortbyCols.size(); i++) {
                    QueryColumn sc = (QueryColumn) (sortbyCols.get(i)).getColumn();
                    TablePlaceholderKey placeholderKey = new TablePlaceholderKey(sc.getTable(), '#' + sc.getName());
                    if (!newSQLStringCopy.setPlaceholderValue(placeholderKey, data.getRow(ii)[i])) {
                        Debug.error(// $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
                        new RuntimeException("Could not set placeholder " + placeholderKey + " in query " + newSQLStringCopy + "-- continuing"));
                    }
                }
                childRetval = child.process(fpp, rootSet, table, newSQLStringCopy);
                curLeafFoundSet = child.getCurrentLeafFoundSet();
            }
            SubSummaryFoundSet.PrintState state = (SubSummaryFoundSet.PrintState) newSet.getRecord(ii);
            state.setDelegate(curLeafFoundSet);
            if (part.getPartType() == Part.LEADING_SUBSUMMARY) {
                state.doAggregatesLookup();
                list.add(new DataRendererDefinition(fpp, renderParent, part, renderer, state));
            }
            if (childRetval != null) {
                list.addAll(childRetval);
            }
            if (isLeadingAndTrailingSubsummary) {
                state.doAggregatesLookup();
                list.add(new DataRendererDefinition(fpp, renderParent, second_part, second_renderer, state));
            } else if (part.getPartType() == Part.TRAILING_SUBSUMMARY) {
                state.doAggregatesLookup();
                list.add(new DataRendererDefinition(fpp, renderParent, part, renderer, state));
            }
        }
    } else // for handeling (virtual) body part
    {
        rootSet.browseAll(sqlString);
        int count = app.getFoundSetManager().getFoundSetCount(rootSet);
        for (int ii = 0; ii < count; ii++) {
            currentLeafFoundSet = rootSet;
            list.add(new DataRendererDefinition(fpp, renderParent, part, renderer, rootSet, ii));
        }
    }
    return list;
}