public static List<FromItem> getTableFromItems(FromItem item) { List<FromItem> result = new ArrayList<FromItem>(); if (item.getTable() != null) { result.add(item); } else if (item.getSubQuery() != null) { FromItem[] sqItems = getTableFromItems(item.getSubQuery()); for (int i = 0; i < sqItems.length; i++) { result.add(sqItems[i]); } } else if (item.getJoin() != null) { FromItem leftSide = item.getLeftSide(); result.addAll(getTableFromItems(leftSide)); FromItem rightSide = item.getRightSide(); result.addAll(getTableFromItems(rightSide)); } else { throw new IllegalStateException("FromItem was neither of Table type, SubQuery type or Join type: " + item); } return result; }
public static List<FromItem> getTableFromItems(FromItem item) { List<FromItem> result = new ArrayList<FromItem>(); if (item.getTable() != null) { result.add(item); } else if (item.getSubQuery() != null) { FromItem[] sqItems = getTableFromItems(item.getSubQuery()); for (int i = 0; i < sqItems.length; i++) { result.add(sqItems[i]); } } else if (item.getJoin() != null) { FromItem leftSide = item.getLeftSide(); result.addAll(getTableFromItems(leftSide)); FromItem rightSide = item.getRightSide(); result.addAll(getTableFromItems(rightSide)); } else { throw new IllegalStateException("FromItem was neither of Table type, SubQuery type or Join type: " + item); } return result; }
return leftResult; final FromItem rightResult = getItemByReference(item.getRightSide(), reference); if (rightResult != null) { return rightResult;
return leftResult; final FromItem rightResult = getItemByReference(item.getRightSide(), reference); if (rightResult != null) { return rightResult;
if (fromItem.getLeftSide() == null || fromItem.getRightSide() == null) { throw new IllegalArgumentException("Joined FromItem requires both left and right side: " + fromItem); materializeFromItem(fromItem.getRightSide(), CollectionUtils.concat(true, selectItems, rightOn));
if (fromItem.getLeftSide() == null || fromItem.getRightSide() == null) { throw new IllegalArgumentException("Joined FromItem requires both left and right side: " + fromItem); materializeFromItem(fromItem.getRightSide(), CollectionUtils.concat(true, selectItems, rightOn));
private Column findColumnInAliasedTable(Column column, FromItem fromItem, String aliasPart, String columnPart) { if (column != null) { // ensure that if the column has already been found, return it return column; } Table table = fromItem.getTable(); if (table != null) { String alias = fromItem.getAlias(); if (alias != null && alias.equals(aliasPart)) { column = table.getColumnByName(columnPart); } } else { FromItem leftSide = fromItem.getLeftSide(); column = findColumnInAliasedTable(column, leftSide, aliasPart, columnPart); FromItem rightSide = fromItem.getRightSide(); column = findColumnInAliasedTable(column, rightSide, aliasPart, columnPart); if (column != null) { Query subQuery = fromItem.getSubQuery(); if (subQuery != null) { List<FromItem> items = subQuery.getFromClause().getItems(); for (FromItem subQueryFromItem : items) { column = findColumnInAliasedTable(column, subQueryFromItem, aliasPart, columnPart); } } } } return column; }
addColumnsToResult(fromItem.getLeftSide().getTable(), result); if (fromItem.getRightSide().getTable() != null) { addColumnsToResult(fromItem.getRightSide().getTable(), result);
private Column findColumnInAliasedTable(Column column, FromItem fromItem, String aliasPart, String columnPart) { if (column != null) { // ensure that if the column has already been found, return it return column; } Table table = fromItem.getTable(); if (table != null) { String alias = fromItem.getAlias(); if (alias != null && alias.equals(aliasPart)) { column = table.getColumnByName(columnPart); } } else { FromItem leftSide = fromItem.getLeftSide(); column = findColumnInAliasedTable(column, leftSide, aliasPart, columnPart); FromItem rightSide = fromItem.getRightSide(); column = findColumnInAliasedTable(column, rightSide, aliasPart, columnPart); if (column != null) { Query subQuery = fromItem.getSubQuery(); if (subQuery != null) { List<FromItem> items = subQuery.getFromClause().getItems(); for (FromItem subQueryFromItem : items) { column = findColumnInAliasedTable(column, subQueryFromItem, aliasPart, columnPart); } } } } return column; }
addColumnsToResult(fromItem.getLeftSide().getTable(), result); if (fromItem.getRightSide().getTable() != null) { addColumnsToResult(fromItem.getRightSide().getTable(), result);
public Query selectAll(final FromItem fromItem) { if (fromItem.getTable() != null) { final List<Column> columns = fromItem.getTable().getColumns(); for (final Column column : columns) { select(column, fromItem); } } else if (fromItem.getJoin() != null) { selectAll(fromItem.getLeftSide()); selectAll(fromItem.getRightSide()); } else if (fromItem.getSubQuery() != null) { final List<SelectItem> items = fromItem.getSubQuery().getSelectClause().getItems(); for (final SelectItem subQuerySelectItem : items) { select(new SelectItem(subQuerySelectItem, fromItem)); } } else { throw new MetaModelException("All select items ('*') not determinable with from item: " + fromItem); } return this; }
public Query selectAll(final FromItem fromItem) { if (fromItem.getTable() != null) { final List<Column> columns = fromItem.getTable().getColumns(); for (final Column column : columns) { select(column, fromItem); } } else if (fromItem.getJoin() != null) { selectAll(fromItem.getLeftSide()); selectAll(fromItem.getRightSide()); } else if (fromItem.getSubQuery() != null) { final List<SelectItem> items = fromItem.getSubQuery().getSelectClause().getItems(); for (final SelectItem subQuerySelectItem : items) { select(new SelectItem(subQuerySelectItem, fromItem)); } } else { throw new MetaModelException("All select items ('*') not determinable with from item: " + fromItem); } return this; }