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

Example 6 with ISQLTableJoin

use of com.servoy.j2db.query.ISQLTableJoin 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;
}

Example 7 with ISQLTableJoin

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

the class RelatedValueList method createRelatedValuelistQuery.

public static Pair<QuerySelect, BaseQueryTable> createRelatedValuelistQuery(IServiceProvider application, ValueList valueList, Relation[] relations, IRecordInternal parentState) throws ServoyException {
    if (parentState == null) {
        return null;
    }
    FoundSetManager foundSetManager = (FoundSetManager) application.getFoundSetManager();
    SQLGenerator sqlGenerator = foundSetManager.getSQLGenerator();
    IGlobalValueEntry scopesScopeProvider = foundSetManager.getScopesScopeProvider();
    SQLSheet childSheet = sqlGenerator.getCachedTableSQLSheet(relations[0].getPrimaryDataSource());
    // this returns quickly if it already has a sheet for that relation, but optimize further?
    sqlGenerator.makeRelatedSQL(childSheet, relations[0]);
    QuerySelect select = AbstractBaseQuery.deepClone((QuerySelect) childSheet.getRelatedSQLDescription(relations[0].getName()).getSQLQuery());
    Object[] relationWhereArgs = foundSetManager.getRelationWhereArgs(parentState, relations[0], false);
    if (relationWhereArgs == null) {
        return null;
    }
    TablePlaceholderKey placeHolderKey = SQLGenerator.createRelationKeyPlaceholderKey(select.getTable(), relations[0].getName());
    if (!select.setPlaceholderValue(placeHolderKey, relationWhereArgs)) {
        // $NON-NLS-1$//$NON-NLS-2$
        Debug.error(new RuntimeException("Could not set relation placeholder " + placeHolderKey + " in query " + select));
        return null;
    }
    FlattenedSolution fs = application.getFlattenedSolution();
    BaseQueryTable lastTable = select.getTable();
    ITable foreignTable = fs.getTable(relations[0].getForeignDataSource());
    for (int i = 1; i < relations.length; i++) {
        foreignTable = fs.getTable(relations[i].getForeignDataSource());
        ISQLTableJoin join = SQLGenerator.createJoin(application.getFlattenedSolution(), relations[i], lastTable, new QueryTable(foreignTable.getSQLName(), foreignTable.getDataSource(), foreignTable.getCatalog(), foreignTable.getSchema()), true, scopesScopeProvider);
        select.addJoin(join);
        lastTable = join.getForeignTable();
    }
    List<SortColumn> defaultSort = foundSetManager.getSortColumns(relations[relations.length - 1].getForeignDataSource(), valueList.getSortOptions());
    foundSetManager.getSQLGenerator().addSorts(select, lastTable, scopesScopeProvider, foreignTable, defaultSort, true, true);
    int showValues = valueList.getShowDataProviders();
    int returnValues = valueList.getReturnDataProviders();
    int total = (showValues | returnValues);
    ArrayList<IQuerySelectValue> columns = new ArrayList<IQuerySelectValue>();
    if ((total & 1) != 0) {
        columns.add(getQuerySelectValue(foreignTable, lastTable, valueList.getDataProviderID1()));
    }
    if ((total & 2) != 0) {
        columns.add(getQuerySelectValue(foreignTable, lastTable, valueList.getDataProviderID2()));
    }
    if ((total & 4) != 0) {
        columns.add(getQuerySelectValue(foreignTable, lastTable, valueList.getDataProviderID3()));
    }
    select.setColumns(columns);
    // not allowed in all situations
    select.setDistinct(false);
    return new Pair<QuerySelect, BaseQueryTable>(select, lastTable);
}

Example 8 with ISQLTableJoin

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

the class JSDatabaseManager method convertFoundSet.

public FoundSet convertFoundSet(Object foundset, Object related) throws ServoyException {
    checkAuthorized();
    if (foundset instanceof FoundSet && ((FoundSet) foundset).getTable() != null) {
        FoundSet fs_old = (FoundSet) foundset;
        try {
            String relationName;
            if (related instanceof RelatedFoundSet) {
                relationName = ((RelatedFoundSet) related).getRelationName();
            } else if (related instanceof String) {
                relationName = (String) related;
            } else {
                // $NON-NLS-1$
                Debug.warn("convertFoundSet: invalid argument " + related);
                return null;
            }
            Relation relation = application.getFlattenedSolution().getRelation(relationName);
            if (relation == null || relation.isMultiServer() || fs_old.getTable() == null || !fs_old.getTable().equals(application.getFlattenedSolution().getTable(relation.getPrimaryDataSource()))) {
                // $NON-NLS-1$
                Debug.warn("convertFoundSet: cannot use relation " + relationName);
                return null;
            }
            ITable ft = application.getFlattenedSolution().getTable(relation.getForeignDataSource());
            FoundSet fs_new = (FoundSet) application.getFoundSetManager().getNewFoundSet(ft, null, application.getFoundSetManager().getDefaultPKSortColumns(ft.getDataSource()));
            QuerySelect sql = fs_old.getPksAndRecords().getQuerySelectForModification();
            SQLSheet sheet_new = fs_old.getSQLSheet().getRelatedSheet(relation, ((FoundSetManager) application.getFoundSetManager()).getSQLGenerator());
            if (sheet_new != null) {
                BaseQueryTable oldTable = sql.getTable();
                ISQLTableJoin join = (ISQLTableJoin) sql.getJoin(oldTable, relation.getName());
                if (join == null) {
                    join = SQLGenerator.createJoin(application.getFlattenedSolution(), relation, oldTable, new QueryTable(ft.getSQLName(), ft.getDataSource(), ft.getCatalog(), ft.getSchema()), true, fs_old);
                    sql.addJoin(join);
                }
                BaseQueryTable mainTable = join.getForeignTable();
                // invert the join
                sql.setTable(mainTable);
                // $NON-NLS-1$
                join.invert("INVERTED." + join.getName());
                // set the columns to be the PKs from the related table
                ArrayList<IQuerySelectValue> pkColumns = new ArrayList<IQuerySelectValue>();
                Iterator<Column> pks = sheet_new.getTable().getRowIdentColumns().iterator();
                while (pks.hasNext()) {
                    Column column = pks.next();
                    pkColumns.add(column.queryColumn(mainTable));
                }
                sql.setColumns(pkColumns);
                // sorting will be on the original columns, when distinct is set, this will conflict with the related pk columns
                sql.setDistinct(false);
                fs_new.setSQLSelect(sql);
                return fs_new;
            }
        } catch (Exception e) {
            Debug.error(e);
        }
    }
    return null;
}