Examples with RowLocation org.apache.derby.iapi.types.RowLocation used on opensource projects

Example 71 with RowLocation

use of org.apache.derby.iapi.types.RowLocation in project derby by apache.

the class T_CreateConglomRet method t_018.

/**
 * Test BTree.openScan(), BtreeScan.init(), BtreeScan.next(),
 * BtreeScan.fetch() with alternating ascending and descending coulmn
 * sort order indexes.
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_018(TransactionController tc) throws StandardException, T_Fail {
    T_SecondaryIndexRow index_row = new T_SecondaryIndexRow();
    // base row template - last column is just to make row long so that
    // multiple pages are spanned.
    DataValueDescriptor[] base_row = TemplateRow.newU8Row(4);
    base_row[3] = new SQLChar();
    String string_1500char = new String();
    for (int i = 0; i < 300; i++) string_1500char += "mikem";
    boolean ret_val = true;
    long value = -1;
    long[] col1 = { 1, 3, 4, 4, 4, 5, 5, 5, 6, 7, 9 };
    long[] col2 = { 1, 1, 2, 4, 6, 2, 4, 6, 1, 1, 1 };
    long[] col3 = { 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
    // set of deleted rows to make scans more interesting
    long[] d_col1 = { 0, 2, 3, 4, 4, 5, 5, 5, 6, 7, 8, 10, 11, 12 };
    long[] d_col2 = { 1, 1, 2, 3, 5, 0, 3, 5, 0, 0, 1, 42, 42, 1 };
    long[] d_col3 = { 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104 };
    REPORT("Starting t_018");
    // create the base table
    long base_conglomid = tc.createConglomerate(// create a heap conglomerate
    "heap", // base table template row
    base_row, // column sort order - not required for heap
    null, // default collation
    null, // default properties
    null, // not temporary
    TransactionController.IS_DEFAULT);
    // Open the base table
    ConglomerateController base_cc = tc.openConglomerate(base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // initialize the secondary index row - pointing it at base row
    index_row.init(base_row, base_cc.newRowLocationTemplate(), 5);
    Properties properties = createProperties(// no current properties list
    null, // don't allow duplicates
    false, // 4 columns in index row
    5, // non-unique index
    5, // maintain parent links
    true, // base conglom id
    base_conglomid, // row loc in last column
    4);
    // create the index with all the columns in descending order
    ColumnOrdering[] order = new ColumnOrdering[5];
    // Ascending
    order[0] = new T_ColumnOrderingImpl(0, true);
    // descending
    order[1] = new T_ColumnOrderingImpl(1, false);
    // Ascending
    order[2] = new T_ColumnOrderingImpl(2, true);
    // descending
    order[3] = new T_ColumnOrderingImpl(3, false);
    // asccending
    order[4] = new T_ColumnOrderingImpl(4, true);
    long index_conglomid = tc.createConglomerate(// create a btree secondary
    "BTREE", // row template
    index_row.getRow(), // column sort order - default
    order, // default collation
    null, // properties
    properties, // not temporary
    TransactionController.IS_DEFAULT);
    // Open the conglomerate.
    ConglomerateController index_cc = tc.openConglomerate(index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Create a row.
    T_SecondaryIndexRow template = new T_SecondaryIndexRow();
    RowLocation row_loc = base_cc.newRowLocationTemplate();
    template.init(base_row, row_loc, 5);
    // insert them in reverse order just to make sure btree is sorting them
    for (int i = col1.length - 1; i >= 0; i--) {
        ((SQLLongint) (template.getRow()[0])).setValue(col1[i]);
        ((SQLLongint) (template.getRow()[1])).setValue(col2[i]);
        ((SQLLongint) (template.getRow()[2])).setValue(col3[i]);
        base_row[3] = new SQLChar(string_1500char);
        base_cc.insertAndFetchLocation(base_row, row_loc);
        // ")" + template);
        if (index_cc.insert(template.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    index_cc.checkConsistency();
    ((B2IController) index_cc).debugConglomerate();
    ret_val = t_ascdesc_scan_test_cases(tc, index_conglomid, template);
    // may or may not clean these up.
    for (int i = d_col1.length - 1; i >= 0; i--) {
        ((SQLLongint) (template.getRow()[0])).setValue(d_col1[i]);
        ((SQLLongint) (template.getRow()[1])).setValue(d_col2[i]);
        ((SQLLongint) (template.getRow()[2])).setValue(d_col3[i]);
        base_row[3] = new SQLChar(string_1500char);
        base_cc.insertAndFetchLocation(base_row, row_loc);
        // ")" + template);
        if (index_cc.insert(template.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
        // now delete the row.
        base_cc.delete(row_loc);
        ScanController delete_scan = tc.openScan(index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE, (FormatableBitSet) null, template.getRow(), ScanController.GE, null, template.getRow(), ScanController.GT);
        if (!delete_scan.next()) {
            throw T_Fail.testFailMsg("delete could not find key");
        } else {
            delete_scan.delete();
            if (delete_scan.next())
                throw T_Fail.testFailMsg("delete found more than one key");
        }
        delete_scan.close();
    }
    ret_val = t_ascdesc_scan_test_cases(tc, index_conglomid, template);
    // Close the conglomerate.
    index_cc.close();
    tc.commit();
    REPORT("Ending t_018");
    return (ret_val);
}

Example 72 with RowLocation

use of org.apache.derby.iapi.types.RowLocation in project derby by apache.

the class T_CreateConglomRet method t_021.

/**
 * Test latch release at critical time during delete on an index scan that
 * uses update locks.
 */
protected boolean t_021(TransactionController tc) throws StandardException, T_Fail {
    REPORT("Starting t_021");
    boolean ret_val = true;
    T_CreateConglomRet create_ret = new T_CreateConglomRet();
    // Create the btree so that it only allows 2 rows per page.
    createCongloms(tc, 2, false, false, 2, create_ret);
    // Open the base table
    ConglomerateController base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the secondary index
    ConglomerateController index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // objects used to insert rows into base and index tables.
    DataValueDescriptor[] r1 = TemplateRow.newU8Row(2);
    T_SecondaryIndexRow index_row1 = new T_SecondaryIndexRow();
    RowLocation base_rowloc1 = base_cc.newRowLocationTemplate();
    index_row1.init(r1, base_rowloc1, 3);
    // insert one row into the table/index
    ((SQLLongint) r1[0]).setValue(1);
    ((SQLLongint) r1[1]).setValue(1);
    // Insert the row into the base table;remember its location.
    base_cc.insertAndFetchLocation(r1, base_rowloc1);
    // Insert the row into the secondary index.
    if (index_cc.insert(index_row1.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // Commit the create of the tables.
    tc.commit();
    // Enable the debug code that releases the latch at critical time.
    if (SanityManager.DEBUG) {
        SanityManager.DEBUG_SET("BTreeScan_delete_useUpdateLocks1");
    }
    // Delete the row using the index and update locks. Before DERBY-4083,
    // the call to delete() would fail with record not found if the latch
    // was released.
    DataValueDescriptor[] delete_key = TemplateRow.newU8Row(2);
    ((SQLLongint) delete_key[0]).setValue(1);
    ((SQLLongint) delete_key[1]).setValue(1);
    if (!t_delete(tc, create_ret.index_conglomid, delete_key, true)) {
        ret_val = false;
    }
    // Disable the debug code that releases the latch at critical time.
    if (SanityManager.DEBUG) {
        SanityManager.DEBUG_CLEAR("BTreeScan_delete_useUpdateLocks1");
    }
    tc.commit();
    REPORT("Ending t_021");
    return ret_val;
}

Example 73 with RowLocation

use of org.apache.derby.iapi.types.RowLocation in project derby by apache.

the class T_CreateConglomRet method t_007.

/**
 * Test multiple scans in a single page/no split
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_007(TransactionController tc) throws StandardException, T_Fail {
    boolean ret_val = true;
    REPORT("Starting t_007");
    T_CreateConglomRet create_ret = new T_CreateConglomRet();
    createCongloms(tc, 2, false, false, 0, create_ret);
    // Open the base conglomerate.
    ConglomerateController base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the index conglomerate.
    ConglomerateController index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Create a row.
    T_SecondaryIndexRow index_row = new T_SecondaryIndexRow();
    DataValueDescriptor[] base_row = TemplateRow.newU8Row(2);
    RowLocation row_loc = base_cc.newRowLocationTemplate();
    index_row.init(base_row, row_loc, 3);
    // Create a row.
    ((SQLLongint) (index_row.getRow()[0])).setValue(1);
    // test: make sure scan position is right after inserts before scan
    // no split case.  In this case the slot position of the current
    // position should change, but the code will keep a record handle
    // and not need to reposition by key.
    // before keys: 3, 5
    // last key gotten froms scan : 0
    // insert keys:1, 2
    // next key from scan should be: 5
    // insert 3
    ((SQLLongint) (index_row.getRow()[1])).setValue(3);
    base_cc.insertAndFetchLocation(base_row, row_loc);
    if (index_cc.insert(index_row.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // insert 5
    ((SQLLongint) (index_row.getRow()[1])).setValue(5);
    base_cc.insertAndFetchLocation(base_row, row_loc);
    if (index_cc.insert(index_row.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // open a new scan
    ScanController scan = tc.openScan(create_ret.index_conglomid, false, 0, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE, (FormatableBitSet) null, null, ScanController.NA, null, null, ScanController.NA);
    if (SanityManager.DEBUG)
        SanityManager.ASSERT(scan.next());
    scan.fetch(index_row.getRow());
    long key = ((SQLLongint) (index_row.getRow()[1])).getLong();
    if (SanityManager.DEBUG)
        SanityManager.ASSERT(key == 3);
    // insert 1
    ((SQLLongint) (index_row.getRow()[1])).setValue(1);
    base_cc.insertAndFetchLocation(base_row, row_loc);
    if (index_cc.insert(index_row.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // insert 2
    ((SQLLongint) (index_row.getRow()[1])).setValue(2);
    base_cc.insertAndFetchLocation(base_row, row_loc);
    if (index_cc.insert(index_row.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // current position should not have changed
    scan.fetch(index_row.getRow());
    key = ((SQLLongint) (index_row.getRow()[1])).getLong();
    if (SanityManager.DEBUG)
        SanityManager.ASSERT(key == 3);
    // next position should be 5
    if (SanityManager.DEBUG)
        SanityManager.ASSERT(scan.next());
    scan.fetch(index_row.getRow());
    key = ((SQLLongint) (index_row.getRow()[1])).getLong();
    if (SanityManager.DEBUG)
        SanityManager.ASSERT(key == 5);
    index_cc.close();
    scan.close();
    REPORT("Ending t_007");
    return (ret_val);
}

Example 74 with RowLocation

use of org.apache.derby.iapi.types.RowLocation in project derby by apache.

the class T_CreateConglomRet method t_013.

/**
 * Test backout during critical times of splits.
 * <p>
 * Force logical undo of an operation which generated an internal update
 * of a btree record:
 * case 1:
 *     o insert into unique btree key1, rowlocation_1
 *     o delete from btree        key1, rowlocation_1
 *         - this will mark the record logically deleted.
 *     o insert enough records to move the logically deleted row to another
 *       page to exercise logical undo of the delete.
 *     o insert into btree        key1, rowlocation_2
 *         - this internally will generate a logical update field on the
 *           record.
 *     o insert enough records to move the logically deleted row to another
 *       page to exercise logical undo of the delete.
 *     o abort.
 *
 * case 2:
 *     o same as case 1 but don't change the rowlocation_1 value.  This
 *       simulates what the language will generate on an update of a key
 *       field.
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_013(TransactionController tc) throws StandardException, T_Fail {
    ScanController scan = null;
    // SanityManager.DEBUG_SET("LockTrace");
    REPORT("Starting t_013");
    T_CreateConglomRet create_ret = new T_CreateConglomRet();
    // Create the btree so that it only allows 2 rows per page.
    createCongloms(tc, 2, true, false, 5, create_ret);
    // Open the base table
    ConglomerateController base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the secondary index
    ConglomerateController index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Create an index row object for the "delete row"
    DataValueDescriptor[] r1 = TemplateRow.newU8Row(2);
    T_SecondaryIndexRow index_row1 = new T_SecondaryIndexRow();
    RowLocation base_rowloc1 = base_cc.newRowLocationTemplate();
    index_row1.init(r1, base_rowloc1, 3);
    // Create another index row object for the other inserts.
    DataValueDescriptor[] r2 = TemplateRow.newU8Row(2);
    T_SecondaryIndexRow index_row2 = new T_SecondaryIndexRow();
    RowLocation base_rowloc2 = base_cc.newRowLocationTemplate();
    index_row2.init(r2, base_rowloc2, 3);
    // Commit the create of the tables so that the following aborts don't
    // undo that work.
    tc.commit();
    // CASE 1:
    tc.commit();
    // Open the base table
    base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the secondary index
    index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    ((SQLLongint) r1[0]).setValue(1);
    // insert row which will be deleted (key = 100, base_rowloc1):
    ((SQLLongint) r1[1]).setValue(100);
    base_cc.insertAndFetchLocation(r1, base_rowloc1);
    // Insert the row into the secondary index.
    if (index_cc.insert(index_row1.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // 5 rows are on a page, so 10 should be plenty.
    for (int i = 0; i < 10; i++) {
        ((SQLLongint) r2[1]).setValue(i);
        // Insert the row into the base table;remember its location.
        base_cc.insertAndFetchLocation(r2, base_rowloc2);
        // Insert the row into the secondary index.
        if (index_cc.insert(index_row2.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    // delete row which was inserted (key = 100, base_rowloc1):
    if (!t_delete(tc, create_ret.index_conglomid, index_row1.getRow(), false)) {
        throw T_Fail.testFailMsg("t_008: could not delete key.");
    }
    base_cc.delete(base_rowloc1);
    // 5 rows are on a page, so 10 should be plenty.
    for (int i = 10; i < 20; i++) {
        ((SQLLongint) r2[1]).setValue(i);
        // Insert the row into the base table;remember its location.
        base_cc.insertAndFetchLocation(r2, base_rowloc2);
        // Insert the row into the secondary index.
        if (index_cc.insert(index_row2.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    // insert row which will be deleted (key = 100, base_rowloc1):
    ((SQLLongint) r1[1]).setValue(100);
    base_cc.insertAndFetchLocation(r1, base_rowloc1);
    // Insert the row into the secondary index.
    if (index_cc.insert(index_row1.getRow()) != 0)
        throw T_Fail.testFailMsg("insert failed");
    // 5 rows are on a page, so 10 should be plenty.
    for (int i = 20; i < 30; i++) {
        ((SQLLongint) r2[1]).setValue(i);
        // Insert the row into the base table;remember its location.
        base_cc.insertAndFetchLocation(r2, base_rowloc2);
        // Insert the row into the secondary index.
        if (index_cc.insert(index_row2.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    // RESOLVE (mikem) - check that the right row is at key 100.
    tc.abort();
    // index check - there should be no records left.
    ScanController empty_scan = tc.openScan(create_ret.index_conglomid, false, 0, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE, (FormatableBitSet) null, null, ScanController.NA, null, null, ScanController.NA);
    if (empty_scan.next())
        throw T_Fail.testFailMsg("t_002: there are still rows in table.");
    tc.commit();
    REPORT("Ending t_013");
    return true;
}

Example 75 with RowLocation

use of org.apache.derby.iapi.types.RowLocation in project derby by apache.

the class T_CreateConglomRet method t_002.

/**
 * Test backout during critical times of splits.
 * <p>
 * Use trace points to force errors in split at critical points:
 *     leaf_split_abort{1,2,3,4}
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_002(TransactionController tc) throws StandardException, T_Fail {
    ScanController scan = null;
    // SanityManager.DEBUG_SET("LockTrace");
    REPORT("Starting t_002");
    T_CreateConglomRet create_ret = new T_CreateConglomRet();
    // Create the btree so that it only allows 2 rows per page.
    createCongloms(tc, 2, false, false, 2, create_ret);
    // Open the base table
    ConglomerateController base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the secondary index
    ConglomerateController index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    if (!(index_cc instanceof B2IController)) {
        throw T_Fail.testFailMsg("openConglomerate returned wrong type");
    }
    index_cc.checkConsistency();
    // Create a row and insert into base table, remembering it's location.
    DataValueDescriptor[] r1 = TemplateRow.newU8Row(2);
    T_SecondaryIndexRow index_row1 = new T_SecondaryIndexRow();
    RowLocation base_rowloc1 = base_cc.newRowLocationTemplate();
    index_row1.init(r1, base_rowloc1, 3);
    // Commit the create of the tables so that the following aborts don't
    // undo that work.
    tc.commit();
    // Now try aborts of transactions during splits, using magic
    // trace flags.  This test inserts enough rows to cause a split
    // and then forces the split to fail at various key points.  The
    // split should be backed out and also the rows before the split.
    // The test makes sure that there are some inserts before the forced
    // split abort.
    String[] debug_strings = { "leaf_split_growRoot1", "leaf_split_growRoot2", "leaf_split_growRoot3", "leaf_split_growRoot4", "leaf_split_growRoot5", "leaf_split_abort1", "leaf_split_abort2", "leaf_split_abort3", "leaf_split_abort4", "branch_split_abort1", "branch_split_abort2", "branch_split_abort3", "branch_split_abort4", "BTreeController_doIns2" };
    for (int errs = 0; errs < debug_strings.length; errs++) {
        REPORT("Doing abort test: " + debug_strings[errs]);
        if (SanityManager.DEBUG)
            SanityManager.DEBUG_SET(debug_strings[errs]);
        try {
            // Open the base table
            base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
            // Open the secondary index
            index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
            // insert one row that does not cause failure.
            ((SQLLongint) r1[0]).setValue(2);
            ((SQLLongint) r1[1]).setValue(10000 + errs);
            // Insert the row into the base table;remember its location.
            base_cc.insertAndFetchLocation(r1, base_rowloc1);
            // Insert the row into the secondary index.
            if (index_cc.insert(index_row1.getRow()) != 0)
                throw T_Fail.testFailMsg("insert failed");
            // language to make sure error handling really works.
            if (SanityManager.DEBUG)
                SanityManager.DEBUG_SET(debug_strings[errs]);
            // now insert enough rows to cause failure
            for (int i = 100; i > 0; i -= 2) {
                ((SQLLongint) r1[0]).setValue(2);
                ((SQLLongint) r1[1]).setValue(i);
                // Insert the row into the base table;remember its location.
                base_cc.insertAndFetchLocation(r1, base_rowloc1);
                // Insert the row into the secondary index.
                if (index_cc.insert(index_row1.getRow()) != 0) {
                    throw T_Fail.testFailMsg("insert failed");
                }
            }
            throw T_Fail.testFailMsg("debug flag (" + debug_strings[errs] + ")did not cause exception.");
        } catch (StandardException e) {
            ContextService contextFactory = getContextService();
            // Get the context manager.
            ContextManager cm = contextFactory.getCurrentContextManager();
            if (SanityManager.DEBUG)
                SanityManager.ASSERT(cm != null);
            cm.cleanupOnError(e, isdbActive());
            // RESOLVE (mikem) - when split abort works come up with
            // a good sanity check here.
            // 
            // index check - there should be no records:
            scan = tc.openScan(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE, (FormatableBitSet) null, null, ScanController.NA, null, null, ScanController.NA);
            index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
            index_cc.checkConsistency();
            index_cc.close();
            if (scan.next()) {
                throw T_Fail.testFailMsg("t_002: there are still rows in table.");
            }
            scan.close();
        }
        // Unset the flag.
        if (SanityManager.DEBUG)
            SanityManager.DEBUG_CLEAR(debug_strings[errs]);
    }
    // Try a simple abort.  The following adds enough rows to cause a
    // split.  The result of the split should be a tree with no rows, but
    // the splits will not be undone.  It is up to the implementation
    // whether the undo's cause shrinks in the tree.  In the initial
    // implementation it won't.
    {
        tc.commit();
        // Open the base table
        base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
        // Open the secondary index
        index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
        // Make sure that normal abort leaves the committed split.
        for (int i = 0; i < 3; i++) {
            ((SQLLongint) r1[0]).setValue(2);
            ((SQLLongint) r1[1]).setValue(i);
            // Insert the row into the base table;remember its location.
            base_cc.insertAndFetchLocation(r1, base_rowloc1);
            // Insert the row into the secondary index.
            if (index_cc.insert(index_row1.getRow()) != 0)
                throw T_Fail.testFailMsg("insert failed");
        }
        tc.abort();
        // index check - there should be no records left.
        ScanController empty_scan = tc.openScan(create_ret.index_conglomid, false, 0, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE, (FormatableBitSet) null, null, ScanController.NA, null, null, ScanController.NA);
        if (empty_scan.next()) {
            throw T_Fail.testFailMsg("t_002: there are still rows in table.");
        }
    }
    tc.commit();
    REPORT("Ending t_002");
    return true;
}