Package org.lealone.dbobject.table

Examples of org.lealone.dbobject.table.Table

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        if (trigger == null) {
            if (!ifExists) {
                throw DbException.get(ErrorCode.TRIGGER_NOT_FOUND_1, triggerName);
            }
        } else {
            Table table = trigger.getTable();
            session.getUser().checkRight(table, Right.ALL);
            db.removeSchemaObject(session, trigger);
        }
        return 0;
    }
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    public void setTableName(String tableName) {
        this.tableName = tableName;
    }

    public int update() {
        Table table = getSchema().getTableOrView(session, tableName);
        session.getUser().checkRight(table, Right.ALL);
        table.lock(session, true, true);
        switch (type) {
        case CommandInterface.ALTER_TABLE_SET_REFERENTIAL_INTEGRITY:
            table.setCheckForeignKeyConstraints(session, value, value ? checkExisting : false);
            break;
        default:
            DbException.throwInternalError("type=" + type);
        }
        return 0;
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    private int tryUpdate() {
        if (!transactional) {
            session.commit(true);
        }
        Database db = session.getDatabase();
        Table table = getSchema().getTableOrView(session, tableName);
        if (getSchema().findConstraint(session, constraintName) != null) {
            if (ifNotExists) {
                return 0;
            }
            throw DbException.get(ErrorCode.CONSTRAINT_ALREADY_EXISTS_1, constraintName);
        }
        session.getUser().checkRight(table, Right.ALL);
        db.lockMeta(session);
        table.lock(session, true, true);
        Constraint constraint;
        switch (type) {
        case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_PRIMARY_KEY: {
            IndexColumn.mapColumns(indexColumns, table);
            index = table.findPrimaryKey();
            ArrayList<Constraint> constraints = table.getConstraints();
            for (int i = 0; constraints != null && i < constraints.size(); i++) {
                Constraint c = constraints.get(i);
                if (Constraint.PRIMARY_KEY.equals(c.getConstraintType())) {
                    throw DbException.get(ErrorCode.SECOND_PRIMARY_KEY);
                }
            }
            if (index != null) {
                // if there is an index, it must match with the one declared
                // we don't test ascending / descending
                IndexColumn[] pkCols = index.getIndexColumns();
                if (pkCols.length != indexColumns.length) {
                    throw DbException.get(ErrorCode.SECOND_PRIMARY_KEY);
                }
                for (int i = 0; i < pkCols.length; i++) {
                    if (pkCols[i].column != indexColumns[i].column) {
                        throw DbException.get(ErrorCode.SECOND_PRIMARY_KEY);
                    }
                }
            }
            if (index == null) {
                IndexType indexType = IndexType.createPrimaryKey(table.isPersistIndexes(), primaryKeyHash);
                String indexName = table.getSchema().getUniqueIndexName(session, table, Constants.PREFIX_PRIMARY_KEY);
                int id = getObjectId();
                try {
                    index = table.addIndex(session, indexName, id, indexColumns, indexType, true, null);
                } finally {
                    getSchema().freeUniqueName(indexName);
                }
            }
            index.getIndexType().setBelongsToConstraint(true);
            int constraintId = getObjectId();
            String name = generateConstraintName(table);
            ConstraintUnique pk = new ConstraintUnique(getSchema(), constraintId, name, table, true);
            pk.setColumns(indexColumns);
            pk.setIndex(index, true);
            constraint = pk;
            break;
        }
        case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_UNIQUE: {
            IndexColumn.mapColumns(indexColumns, table);
            boolean isOwner = false;
            if (index != null && canUseUniqueIndex(index, table, indexColumns)) {
                isOwner = true;
                index.getIndexType().setBelongsToConstraint(true);
            } else {
                index = getUniqueIndex(table, indexColumns);
                if (index == null) {
                    index = createIndex(table, indexColumns, true);
                    isOwner = true;
                }
            }
            int id = getObjectId();
            String name = generateConstraintName(table);
            ConstraintUnique unique = new ConstraintUnique(getSchema(), id, name, table, false);
            unique.setColumns(indexColumns);
            unique.setIndex(index, isOwner);
            constraint = unique;
            break;
        }
        case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_CHECK: {
            int id = getObjectId();
            String name = generateConstraintName(table);
            ConstraintCheck check = new ConstraintCheck(getSchema(), id, name, table);
            TableFilter filter = new TableFilter(session, table, null, false, null);
            checkExpression.mapColumns(filter, 0);
            checkExpression = checkExpression.optimize(session);
            check.setExpression(checkExpression);
            check.setTableFilter(filter);
            constraint = check;
            if (checkExisting) {
                check.checkExistingData(session);
            }
            break;
        }
        case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_REFERENTIAL: {
            Table refTable = refSchema.getTableOrView(session, refTableName);
            session.getUser().checkRight(refTable, Right.ALL);
            if (!refTable.canReference()) {
                throw DbException.get(ErrorCode.FEATURE_NOT_SUPPORTED_1, "Reference " + refTable.getSQL());
            }
            boolean isOwner = false;
            IndexColumn.mapColumns(indexColumns, table);
            if (index != null && canUseIndex(index, table, indexColumns)) {
                isOwner = true;
                index.getIndexType().setBelongsToConstraint(true);
            } else {
                index = getIndex(table, indexColumns);
                if (index == null) {
                    index = createIndex(table, indexColumns, false);
                    isOwner = true;
                }
            }
            if (refIndexColumns == null) {
                Index refIdx = refTable.getPrimaryKey();
                refIndexColumns = refIdx.getIndexColumns();
            } else {
                IndexColumn.mapColumns(refIndexColumns, refTable);
            }
            if (refIndexColumns.length != indexColumns.length) {
                throw DbException.get(ErrorCode.COLUMN_COUNT_DOES_NOT_MATCH);
            }
            boolean isRefOwner = false;
            if (refIndex != null && refIndex.getTable() == refTable && canUseIndex(refIndex, refTable, refIndexColumns)) {
                isRefOwner = true;
                refIndex.getIndexType().setBelongsToConstraint(true);
            } else {
                refIndex = null;
            }
            if (refIndex == null) {
                refIndex = getIndex(refTable, refIndexColumns);
                if (refIndex == null) {
                    refIndex = createIndex(refTable, refIndexColumns, true);
                    isRefOwner = true;
                }
            }
            int id = getObjectId();
            String name = generateConstraintName(table);
            ConstraintReferential ref = new ConstraintReferential(getSchema(), id, name, table);
            ref.setColumns(indexColumns);
            ref.setIndex(index, isOwner);
            ref.setRefTable(refTable);
            ref.setRefColumns(refIndexColumns);
            ref.setRefIndex(refIndex, isRefOwner);
            if (checkExisting) {
                ref.checkExistingData(session);
            }
            constraint = ref;
            refTable.addConstraint(constraint);
            ref.setDeleteAction(deleteAction);
            ref.setUpdateAction(updateAction);
            break;
        }
        default:
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    }

    public int update() {
        tableFilter.startQuery(session);
        tableFilter.reset();
        Table table = tableFilter.getTable();
        session.getUser().checkRight(table, Right.DELETE);
        table.fire(session, Trigger.DELETE, true);
        table.lock(session, true, false);
        RowList rows = new RowList(session);
        int limitRows = -1;
        if (limitExpr != null) {
            Value v = limitExpr.getValue(session);
            if (v != ValueNull.INSTANCE) {
                limitRows = v.getInt();
            }
        }
        try {
            setCurrentRowNumber(0);
            int count = 0;
            while (limitRows != 0 && tableFilter.next()) {
                setCurrentRowNumber(rows.size() + 1);
                if (condition == null || Boolean.TRUE.equals(condition.getBooleanValue(session))) {
                    Row row = tableFilter.get();
                    boolean done = false;
                    if (table.fireRow()) {
                        done = table.fireBeforeRow(session, row, null);
                    }
                    if (!done) {
                        rows.add(row);
                    }
                    count++;
                    if (limitRows >= 0 && count >= limitRows) {
                        break;
                    }
                }
            }
            int rowScanCount = 0;
            for (rows.reset(); rows.hasNext();) {
                if ((++rowScanCount & 127) == 0) {
                    checkCanceled();
                }
                Row row = rows.next();
                table.removeRow(session, row);
                session.log(table, UndoLogRecord.DELETE, row);
            }
            if (table.fireRow()) {
                for (rows.reset(); rows.hasNext();) {
                    Row row = rows.next();
                    table.fireAfterRow(session, row, null, false);
                }
            }
            table.fire(session, Trigger.DELETE, false);
            return count;
        } finally {
            rows.close();
        }
    }
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        if (index == null) {
            if (!ifExists) {
                throw DbException.get(ErrorCode.INDEX_NOT_FOUND_1, indexName);
            }
        } else {
            Table table = index.getTable();
            session.getUser().checkRight(index.getTable(), Right.ALL);
            Constraint pkConstraint = null;
            ArrayList<Constraint> constraints = table.getConstraints();
            for (int i = 0; constraints != null && i < constraints.size(); i++) {
                Constraint cons = constraints.get(i);
                if (cons.usesIndex(index)) {
                    // can drop primary key index (for compatibility)
                    if (Constraint.PRIMARY_KEY.equals(cons.getConstraintType())) {
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        }
        if ((typeMask & Trigger.SELECT) == Trigger.SELECT && rowBased) {
            throw DbException.get(ErrorCode.TRIGGER_SELECT_AND_ROW_BASED_NOT_SUPPORTED, triggerName);
        }
        int id = getObjectId();
        Table table = getSchema().getTableOrView(session, tableName);
        TriggerObject trigger = new TriggerObject(getSchema(), id, triggerName, table);
        trigger.setInsteadOf(insteadOf);
        trigger.setBefore(before);
        trigger.setNoWait(noWait);
        trigger.setQueueSize(queueSize);
        trigger.setRowBased(rowBased);
        trigger.setTypeMask(typeMask);
        trigger.setOnRollback(onRollback);
        trigger.setTriggerClassName(triggerClassName, force);
        db.addSchemaObject(session, trigger);
        table.addTrigger(trigger);
        return 0;
    }
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        this.viewName = viewName;
    }

    public int update() {
        session.commit(true);
        Table view = getSchema().findTableOrView(session, viewName);
        if (view == null) {
            if (!ifExists) {
                throw DbException.get(ErrorCode.VIEW_NOT_FOUND_1, viewName);
            }
        } else {
            if (!Table.VIEW.equals(view.getTableType())) {
                throw DbException.get(ErrorCode.VIEW_NOT_FOUND_1, viewName);
            }
            session.getUser().checkRight(view, Right.ALL);

            if (dropAction == ConstraintReferential.RESTRICT) {
                for (DbObject child : view.getChildren()) {
                    if (child instanceof TableView) {
                        throw DbException.get(ErrorCode.CANNOT_DROP_2, viewName, child.getName());
                    }
                }
            }

            view.lock(session, true, true);
            session.getDatabase().removeSchemaObject(session, view);
        }
        return 0;
    }
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        Database db = session.getDatabase();
        String baseName = table.getName();
        String tempName = db.getTempTableName(baseName, session);
        Column[] columns = table.getColumns();
        ArrayList<Column> newColumns = New.arrayList();
        Table newTable = cloneTableStructure(columns, db, tempName, newColumns);
        try {
            // check if a view would become invalid
            // (because the column to drop is referenced or so)
            checkViews(table, newTable);
        } catch (DbException e) {
            execute("DROP TABLE " + newTable.getName(), true);
            throw DbException.get(ErrorCode.VIEW_IS_INVALID_2, e, getSQL(), e.getMessage());
        }
        String tableName = table.getName();
        ArrayList<TableView> views = table.getViews();
        if (views != null) {
            views = New.arrayList(views);
            for (TableView view : views) {
                table.removeView(view);
            }
        }
        execute("DROP TABLE " + table.getSQL() + " IGNORE", true);
        db.renameSchemaObject(session, newTable, tableName);
        for (DbObject child : newTable.getChildren()) {
            if (child instanceof Sequence) {
                continue;
            }
            String name = child.getName();
            if (name == null || child.getCreateSQL() == null) {
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        data.persistIndexes = table.isPersistIndexes();
        data.isHidden = table.isHidden();
        data.create = true;
        data.session = session;
        data.tableEngine = table.getTableEngine();
        Table newTable = getSchema().createTable(data);
        newTable.setComment(table.getComment());
        StringBuilder buff = new StringBuilder();
        buff.append(newTable.getCreateSQL());

        if (table.supportsAlterColumnWithCopyData()) {
            StringBuilder columnList = new StringBuilder();
            for (Column nc : newColumns) {
                if (columnList.length() > 0) {
                    columnList.append(", ");
                }
                if (type == CommandInterface.ALTER_TABLE_ADD_COLUMN && columnsToAdd.contains(nc)) {
                    Expression def = nc.getDefaultExpression();
                    columnList.append(def == null ? "NULL" : def.getSQL());
                } else {
                    columnList.append(nc.getSQL());
                }
            }
            buff.append(" AS SELECT ");
            if (columnList.length() == 0) {
                // special case: insert into test select * from
                buff.append('*');
            } else {
                buff.append(columnList);
            }
            buff.append(" FROM ").append(table.getSQL());
        }
        String newTableSQL = buff.toString();
        String newTableName = newTable.getName();
        Schema newTableSchema = newTable.getSchema();
        newTable.removeChildrenAndResources(session);

        execute(newTableSQL, true);
        newTable = newTableSchema.getTableOrView(session, newTableName);
        ArrayList<String> triggers = New.arrayList();
        for (DbObject child : table.getChildren()) {
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Related Classes of org.lealone.dbobject.table.Table

  • org.lealone.command.ddl.AlterTableAddConstraint
  • org.lealone.command.ddl.AlterTableAlterColumn
  • org.lealone.command.ddl.AlterTableRename
  • org.lealone.command.ddl.AlterTableSet
  • org.lealone.command.ddl.CreateIndex
  • org.lealone.command.ddl.CreateTable
  • org.lealone.command.ddl.CreateTrigger
  • org.lealone.command.ddl.CreateUserDataType
  • org.lealone.command.ddl.CreateView
  • org.lealone.command.ddl.DropIndex
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