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

Example 6 with QueryTable

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

the class Messages method loadMessagesFromDatabaseRepositoryInternal.

/**
 * CURRENTLY FOR INTERNAL USE ONLY, DO NOT CALL.
 *
 * @exclude
 */
public static void loadMessagesFromDatabaseRepositoryInternal(String i18nDatasource, String clientId, Properties settings, IDataServer dataServer, IRepository repository, Properties properties, Properties localeProperties, Locale language, int loadingType, String searchKey, String searchText, String columnNameFilter, String[] columnValueFilter, IFoundSetManagerInternal fm) {
    noConnection = false;
    String[] names = getServerTableNames(i18nDatasource, settings);
    String serverName = names[0];
    String tableName = names[1];
    if (serverName == null || tableName == null || "".equals(serverName) || "".equals(tableName)) {
        noConnection = true;
        return;
    }
    try {
        // $NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
        Debug.trace("Loading messages from DB: Server: " + serverName + " Table: " + tableName + " Language: " + language);
        IServer server = repository.getServer(serverName);
        if (server == null) {
            noConnection = true;
            return;
        }
        Table table = (Table) server.getTable(tableName);
        if (table == null) {
            noConnection = true;
            return;
        }
        Column filterColumn = null;
        if (columnNameFilter != null) {
            // check if column exists
            filterColumn = table.getColumn(columnNameFilter);
            if (filterColumn == null) {
                return;
            }
        }
        String[] iColumnValueFilter = columnValueFilter;
        boolean isColumnValueFilterChanged = false;
        if (filterColumn == null && fm != null) {
            QueryTable messagesTable = new QueryTable(table.getSQLName(), table.getDataSource(), table.getCatalog(), table.getSchema());
            QuerySelect sql = new QuerySelect(messagesTable);
            ArrayList<TableFilter> tableFilters = fm.getTableFilterParams(serverName, sql);
            if (tableFilters != null) {
                for (TableFilter tableFilter : tableFilters) {
                    TableFilterdefinition tableFilterdefinition = tableFilter.getTableFilterdefinition();
                    if (tableFilterdefinition instanceof DataproviderTableFilterdefinition) {
                        DataproviderTableFilterdefinition dpTtableFilterdefinition = (DataproviderTableFilterdefinition) tableFilterdefinition;
                        Object value = dpTtableFilterdefinition.getValue();
                        if (value instanceof Object[]) {
                            filterColumn = table.getColumn(dpTtableFilterdefinition.getDataprovider());
                            iColumnValueFilter = new String[((Object[]) value).length];
                            for (int i = 0; i < ((Object[]) value).length; i++) {
                                iColumnValueFilter[i] = ((Object[]) value)[i] != null ? ((Object[]) value)[i].toString() : null;
                            }
                            isColumnValueFilterChanged = true;
                            break;
                        }
                    }
                }
            }
        }
        if (!isColumnValueFilterChanged) {
            loadMessagesFromDatabaseRepositorySinglefilter(server, table, clientId, dataServer, properties, localeProperties, language, loadingType, searchKey, searchText, filterColumn, null, fm);
        }
        if (iColumnValueFilter != null) {
            for (int i = iColumnValueFilter.length - 1; i >= 0; i--) {
                loadMessagesFromDatabaseRepositorySinglefilter(server, table, clientId, dataServer, properties, localeProperties, language, loadingType, searchKey, searchText, filterColumn, iColumnValueFilter[i], fm);
            }
        }
    } catch (Exception e) {
        // $NON-NLS-1$
        Debug.error("Couldn't get the default messages");
        Debug.error(e);
        invalidConnection = true;
    }
}

Example 7 with QueryTable

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

the class QBJoins method getOrAddRelation.

private QBJoin getOrAddRelation(IRelation relation, String relationName, String alias) {
    if (relation == null || !parent.getDataSource().equals(relation.getPrimaryDataSource())) {
        if (relation == null) {
            Debug.log("relation '" + relationName + "' not found");
        } else {
            Debug.log("relation '" + relationName + "' does not match parent data source: " + parent.getDataSource() + '/' + relation.getPrimaryDataSource());
        }
        return null;
    }
    String name = alias == null ? relationName : alias;
    QBJoin join = getJoin(name);
    if (join == null) {
        try {
            Table foreignTable = root.getTable(relation.getForeignDataSource());
            if (foreignTable == null) {
                Debug.log("foreign table for relation '" + relationName + "' not found");
                return null;
            }
            join = addJoin(SQLGenerator.createJoin(root.getDataProviderHandler(), relation, parent.getQueryTable(), new QueryTable(foreignTable.getSQLName(), foreignTable.getDataSource(), foreignTable.getCatalog(), foreignTable.getSchema(), alias), true, root.getGlobalScopeProvider()), relation.getForeignDataSource(), name);
        } catch (RepositoryException e) {
            Debug.error("could not load relation '" + relationName + "'", e);
        }
    }
    return join;
}

Example 8 with QueryTable

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

the class QBJoins method add.

/**
 * @clonedesc com.servoy.j2db.querybuilder.IQueryBuilderJoins#add(String, int, String)
 * @sampleas add(String, int)
 *
 * @param dataSource data source
 * @param joinType join type, one of {@link IQueryBuilderJoin#LEFT_OUTER_JOIN}, {@link IQueryBuilderJoin#INNER_JOIN}, {@link IQueryBuilderJoin#RIGHT_OUTER_JOIN}, {@link IQueryBuilderJoin#FULL_JOIN}
 * @param alias the alias for joining table
 */
@JSFunction
public QBJoin add(String dataSource, int joinType, String alias) {
    String name;
    QBJoin join;
    if (alias == null) {
        name = UUID.randomUUID().toString();
        join = null;
    } else {
        name = alias;
        join = getJoin(name);
    }
    if (join == null) {
        Table foreignTable = root.getTable(dataSource);
        join = addJoin(new QueryJoin(name, parent.getQueryTable(), new TableExpression(new QueryTable(foreignTable.getSQLName(), foreignTable.getDataSource(), foreignTable.getCatalog(), foreignTable.getSchema(), alias)), new AndCondition(), joinType, true), dataSource, name);
    }
    return join;
}

Example 9 with QueryTable

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

the class QueryBuilderSerializer method getXstream.

/**
 * @return
 */
private XStream getXstream() {
    if (xStream == null) {
        xStream = new XStream(new DomDriver());
        xStream.registerConverter(new ReplacedObjectConverter(xStream.getMapper(), AbstractBaseQuery.QUERY_SERIALIZE_DOMAIN));
        for (Class<? extends IWriteReplace> cls : ReplacedObject.getDomainClasses(AbstractBaseQuery.QUERY_SERIALIZE_DOMAIN)) {
            String className = cls.getSimpleName();
            String registeredName;
            if (QueryTable.class.getSimpleName().equals(className)) {
                // QueryTable version 2, includes dataSource
                registeredName = className + "2";
            } else if (QueryTable1.class.getSimpleName().equals(className)) {
                // legacy QueryTable version 1, without dataSource
                registeredName = QueryTable.class.getSimpleName();
            } else {
                registeredName = className;
            }
            xStream.alias(registeredName, cls);
        }
    }
    return xStream;
}

Example 10 with QueryTable

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

the class FoundSet method loadByQuery.

public boolean loadByQuery(String query, Object[] args) throws ServoyException {
    if (query == null || sheet.getTable() == null)
        return false;
    int from_index = -1;
    int order_by_index;
    // check requirements
    if (!SQLGenerator.isSelectQuery(query)) {
        throw new IllegalArgumentException(SQLGenerator.SQL_QUERY_VALIDATION_MESSAGE + ':' + query);
    }
    String sql_lowercase = Utils.toEnglishLocaleLowerCase(query);
    // $NON-NLS-1$
    order_by_index = sql_lowercase.lastIndexOf("order by");
    boolean analyse_query_parts = (order_by_index != -1);
    if (analyse_query_parts) {
        // subquery. NOTE: this means that the ordering defined in the order-by part is lost.
        if (// $NON-NLS-1$
        ((from_index = sql_lowercase.indexOf("from")) == -1) || (sql_lowercase.indexOf(Utils.toEnglishLocaleLowerCase(sheet.getTable().getSQLName())) == -1) || // $NON-NLS-1$
        (sql_lowercase.indexOf("group by") != -1) || // $NON-NLS-1$
        (sql_lowercase.indexOf("having") != -1) || // $NON-NLS-1$
        (sql_lowercase.indexOf("union") != -1) || // $NON-NLS-1$
        (sql_lowercase.indexOf("join") != -1) || // $NON-NLS-1$
        (sql_lowercase.indexOf(".") == -1)) {
            analyse_query_parts = false;
        }
    }
    if (initialized && (getFoundSetManager().getEditRecordList().stopIfEditing(this) != ISaveConstants.STOPPED)) {
        fsm.getApplication().reportJSError(// $NON-NLS-1$
        "couldn't load dataset because foundset had edited records but couldn't save it: " + this + ", edited record(s): " + Utils.stringJoin(getFoundSetManager().getEditRecordList().getEditedRecords(this), '.') + ", failed record(s): " + Utils.stringJoin(getFoundSetManager().getEditRecordList().getFailedRecords(this), '.'), null);
        return false;
    }
    QuerySelect originalQuery = pksAndRecords.getQuerySelectForReading();
    QuerySelect sqlSelect = AbstractBaseQuery.deepClone(creationSqlSelect);
    sqlSelect.clearCondition(SQLGenerator.CONDITION_RELATION);
    sqlSelect.clearCondition(SQLGenerator.CONDITION_OMIT);
    if (rowManager != null)
        rowManager.clearAndCheckCache();
    initialized = true;
    Object[] whereArgs = null;
    if (args != null) {
        whereArgs = new Object[args.length];
        for (int i = 0; i < args.length; i++) {
            Object o = args[i];
            if (o != null && o.getClass().equals(Date.class)) {
                o = new Timestamp(((Date) o).getTime());
            }
            whereArgs[i] = o;
        }
    }
    // for instance, loadRecords(SQL) followed by extended search (S) and invertrecords executes query 'NOT(SQL OR S)'
    if (!analyse_query_parts) {
        // do not analyze the parts of the query, just create a set-condition that compares the pk columns with the result of the subquery
        Iterator<Column> pkIt = ((Table) getTable()).getRowIdentColumns().iterator();
        if (!pkIt.hasNext()) {
            throw new RepositoryException(ServoyException.InternalCodes.PRIMARY_KEY_NOT_FOUND, new Object[] { getTable().getName() }).setContext(this.toString());
        }
        List<QueryColumn> pkQueryColumns = new ArrayList<QueryColumn>();
        while (pkIt.hasNext()) {
            Column c = pkIt.next();
            pkQueryColumns.add(c.queryColumn(sqlSelect.getTable()));
        }
        // must strip of the order-by part because not all databases (Oracle, who else) like order-by in subselect
        String customQuery = query;
        if (order_by_index > 0) {
            // query contains order-by clause, find the next a closing bracket if it exists.
            // order-by has to be removed because some dbs do not allow that inside subselect.
            char[] chars = query.toCharArray();
            int level = 1;
            int i;
            for (i = order_by_index; level > 0 && i < chars.length; i++) {
                switch(chars[i]) {
                    case ')':
                        level--;
                        break;
                    case '(':
                        level++;
                        break;
                }
            }
            // in that case we can leave the ordering in place because it it not the sorting of the top-level query.
            if (level == 1) {
                // order-by clause was at the end
                customQuery = query.substring(0, order_by_index);
            }
        }
        sqlSelect.setCondition(SQLGenerator.CONDITION_SEARCH, new SetCondition(IBaseSQLCondition.IN_OPERATOR, pkQueryColumns.toArray(new QueryColumn[pkQueryColumns.size()]), new QueryCustomSelect(customQuery, whereArgs), true));
        // set the previous sort, add all joins that are needed for this sort
        List<IQuerySort> origSorts = originalQuery.getSorts();
        if (origSorts != null) {
            ArrayList<IQuerySort> sorts = new ArrayList<IQuerySort>();
            // find which sorts we will use and which tables are needed for that
            Set<BaseQueryTable> sortTables = new HashSet<BaseQueryTable>();
            for (IQuerySort isort : origSorts) {
                if (isort instanceof QuerySort) {
                    QuerySort sort = (QuerySort) isort;
                    IQuerySelectValue icolumn = sort.getColumn();
                    if (icolumn instanceof QueryColumn) {
                        QueryColumn column = (QueryColumn) icolumn;
                        sortTables.add(column.getTable());
                        sorts.add(sort);
                    }
                }
            // ignore custom sorts and sorts on other things than columns
            }
            // try to find the joins that are needed to satisfy tablesToResolve
            List<BaseQueryTable> tablesToResolve = new ArrayList<BaseQueryTable>();
            tablesToResolve.addAll(sortTables);
            List<BaseQueryTable> resolvedTables = new ArrayList<BaseQueryTable>();
            resolvedTables.add(sqlSelect.getTable());
            ArrayList<ISQLJoin> requiredJoins = new ArrayList<ISQLJoin>();
            boolean found = true;
            while (found && tablesToResolve.size() > 0) {
                BaseQueryTable table = tablesToResolve.remove(0);
                if (resolvedTables.contains(table)) {
                    continue;
                }
                found = false;
                ArrayList<ISQLJoin> joins = originalQuery.getJoins();
                if (joins != null) {
                    for (ISQLJoin ijoin : joins) {
                        if (!found && ijoin instanceof ISQLTableJoin) {
                            ISQLTableJoin join = (ISQLTableJoin) ijoin;
                            if (table.equals(join.getForeignTable())) {
                                // have to add this join
                                tablesToResolve.add(join.getPrimaryTable());
                                resolvedTables.add(table);
                                requiredJoins.add(join);
                                found = true;
                            }
                        }
                    }
                }
            }
            if (found) {
                sqlSelect.setJoins(requiredJoins);
                sqlSelect.setSorts(sorts);
            } else {
                // $NON-NLS-1$
                Debug.log("Could not restore order by in loadRecords(): couild not find all tables for sorting in " + originalQuery);
            }
        }
    } else {
        // create a query with the different parts as custom elements
        sqlSelect.clearJoins();
        // not needed when you have no joins and may conflict with order by
        sqlSelect.setDistinct(false);
        String tables;
        // $NON-NLS-1$
        int where_index = sql_lowercase.indexOf("where");
        if (where_index == -1) {
            tables = query.substring(from_index + 4, order_by_index);
            // no where-clause, remove the search condition (was set to FALSE in clear()
            sqlSelect.clearCondition(SQLGenerator.CONDITION_SEARCH);
        } else {
            tables = query.substring(from_index + 4, where_index);
            sqlSelect.setCondition(SQLGenerator.CONDITION_SEARCH, new CustomCondition(query.substring(where_index + 5, order_by_index).trim(), whereArgs));
        }
        // pick the foundset main table from the tables in the query (does not have to be the first one, we generate sql ourselves
        // that puts the main table at the end, see QueryGenerator)
        boolean foundTable = false;
        String mainTable = sheet.getTable().getName();
        StringBuilder otherTables = new StringBuilder();
        // $NON-NLS-1$
        StringTokenizer tok = new StringTokenizer(tables, ",");
        // default alias to table name
        String mainTableAlias = mainTable;
        // $NON-NLS-1$
        String whitespace = "\\s+";
        while (tok.hasMoreElements()) {
            String tableName = tok.nextToken().trim();
            String[] lcTableName = tableName.toLowerCase().split(whitespace);
            if (matchesMainTablename(lcTableName[0])) {
                foundTable = true;
                // either 'tabname', 'tabname aliasname' or 'tabname AS aliasname', when no alias is given, use table name as alias
                mainTableAlias = tableName.split(whitespace)[lcTableName.length - 1];
            } else {
                if (otherTables.length() > 0) {
                    // $NON-NLS-1$
                    otherTables.append(", ");
                }
                otherTables.append(tableName);
            }
        }
        // set table alias or unalias table when no alias was used
        BaseQueryTable qTable = sqlSelect.getTable();
        sqlSelect.relinkTable(sqlSelect.getTable(), new QueryTable(qTable.getName(), qTable.getDataSource(), qTable.getCatalogName(), qTable.getSchemaName(), mainTableAlias));
        if (otherTables.length() > 0) {
            // $NON-NLS-1$
            if (!foundTable)
                throw new IllegalArgumentException(fsm.getApplication().getI18NMessage("servoy.foundSet.query.error.firstTable"));
            // $NON-NLS-1$
            sqlSelect.addJoin(new QueryCustomJoin("foundset.loadbyquery", sqlSelect.getTable(), otherTables.toString()));
        }
        ArrayList<IQuerySort> sorts = new ArrayList<IQuerySort>();
        // $NON-NLS-1$
        Enumeration<Object> sortParts = new StringTokenizer(query.substring(order_by_index + 8), ",");
        while (sortParts.hasMoreElements()) {
            sorts.add(new QueryCustomSort(((String) sortParts.nextElement()).trim()));
        }
        sqlSelect.setSorts(sorts);
    }
    return loadByQuery(sqlSelect);
}