Examples of org.h2.table.Table

org.h2.table.Table
This is the base class for most tables. A table contains a list of columns and a list of rows.

        }
        if (locks.size() > 0) {
            synchronized (database) {
                // don't use the enhance for loop to safe memory
                for (int i = 0, size = locks.size(); i < size; i++) {
                    Table t = locks.get(i);
                    t.unlock(this);
                }
                locks.clear();
            }
        }
        savepoints = null;

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    public Value getValue(Session session) {
        if (select.isQuickAggregateQuery()) {
            switch (type) {
            case COUNT:
            case COUNT_ALL:
                Table table = select.getTopTableFilter().getTable();
                return ValueLong.get(table.getRowCount(session));
            case MIN:
            case MAX:
                boolean first = type == MIN;
                Index index = getColumnIndex(first);
                int sortType = index.getIndexColumns()[0].sortType;

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        if (on instanceof ExpressionColumn) {
            ExpressionColumn col = (ExpressionColumn) on;
            Column column = col.getColumn();
            TableFilter filter = col.getTableFilter();
            if (filter != null) {
                Table table = filter.getTable();
                Index index = table.getIndexForColumn(column, first);
                return index;
            }
        }
        return null;
    }

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    public String getColumnName() {
        return columnName != null ? columnName : column.getName();
    }


    public String getSchemaName() {
        Table table = column.getTable();
        return table == null ? null : table.getSchema().getName();
    }

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        Table table = column.getTable();
        return table == null ? null : table.getSchema().getName();
    }


    public String getTableName() {
        Table table = column.getTable();
        return table == null ? null : table.getName();
    }

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        while (constraints != null && constraints.size() > 0) {
            Constraint obj = (Constraint) constraints.values().toArray()[0];
            database.removeSchemaObject(session, obj);
        }
        while (tablesAndViews != null && tablesAndViews.size() > 0) {
            Table obj = (Table) tablesAndViews.values().toArray()[0];
            database.removeSchemaObject(session, obj);
        }
        while (indexes != null && indexes.size() > 0) {
            Index obj = (Index) indexes.values().toArray()[0];
            database.removeSchemaObject(session, obj);

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     * @param session the session
     * @param name the object name
     * @return the object or null
     */
    public Table findTableOrView(Session session, String name) {
        Table table = tablesAndViews.get(name);
        if (table == null && session != null) {
            table = session.findLocalTempTable(name);
        }
        return table;
    }

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     * @param name the table or view name
     * @return the table or view
     * @throws DbException if no such object exists
     */
    public Table getTableOrView(Session session, String name) {
        Table table = tablesAndViews.get(name);
        if (table == null) {
            if (session != null) {
                table = session.findLocalTempTable(name);
            }
            if (table == null) {

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        }
        Index index = metaObjects.get(tableId);
        if (index == null) {
            throw DbException.throwInternalError("Table not found: " + tableId + " " + row + " " + add);
        }
        Table table = index.getTable();
        if (add) {
            table.addRow(systemSession, row);
        } else {
            table.removeRow(systemSession, row);
        }
    }

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     *
     * @param tableId the object id of the table
     */
    void redoTruncate(int tableId) {
        Index index = metaObjects.get(tableId);
        Table table = index.getTable();
        table.truncate(systemSession);
    }

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