Examples with ScanController org.apache.derby.iapi.store.access.ScanController used on opensource projects

Example 41 with ScanController

use of org.apache.derby.iapi.store.access.ScanController in project derby by apache.

the class T_CreateConglomRet method t_005.

/**
 * Test Branch splits - number of rows necessary to cause splits is raw
 * store implementation dependant (currently 5 rows per page in in-memory
 * implementation).
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_005(TransactionController tc) throws StandardException, T_Fail {
    boolean ret_val = true;
    REPORT("Starting t_005");
    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();
    RowLocation rowloc = base_cc.newRowLocationTemplate();
    DataValueDescriptor[] base_row = TemplateRow.newU8Row(2);
    index_row.init(base_row, rowloc, 3);
    // insert them in reverse order just to make sure btree is sorting them
    for (int i = 200; i >= 0; i -= 4) {
        ((SQLLongint) base_row[0]).setValue(1);
        ((SQLLongint) base_row[1]).setValue(i);
        base_cc.insertAndFetchLocation(base_row, rowloc);
        if (index_cc.insert(index_row.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    for (int i = 199; i >= 0; i -= 4) {
        ((SQLLongint) base_row[0]).setValue(1);
        ((SQLLongint) base_row[1]).setValue(i);
        base_cc.insertAndFetchLocation(base_row, rowloc);
        if (index_cc.insert(index_row.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    index_cc.checkConsistency();
    // Close the conglomerate.
    index_cc.close();
    tc.commit();
    // Search for each of the keys and delete them one at a time.
    DataValueDescriptor[] delete_key = TemplateRow.newU8Row(2);
    for (int i = 200; i >= 0; i -= 4) {
        ((SQLLongint) delete_key[0]).setValue(1);
        ((SQLLongint) delete_key[1]).setValue(i);
        if (!t_delete(tc, create_ret.index_conglomid, delete_key, false)) {
            ret_val = false;
        }
    }
    for (int i = 199; i >= 0; i -= 4) {
        ((SQLLongint) delete_key[0]).setValue(1);
        ((SQLLongint) delete_key[1]).setValue(i);
        if (!t_delete(tc, create_ret.index_conglomid, delete_key, false)) {
            ret_val = false;
        }
    }
    tc.commit();
    // Open the base conglomerate.
    base_cc = tc.openConglomerate(create_ret.base_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // Open the conglomerate.
    index_cc = tc.openConglomerate(create_ret.index_conglomid, false, TransactionController.OPENMODE_FORUPDATE, TransactionController.MODE_RECORD, TransactionController.ISOLATION_SERIALIZABLE);
    // flush and empty cache to make sure rereading stuff works.
    RawStoreFactory rawstore = (RawStoreFactory) findServiceModule(this.store_module, RawStoreFactory.MODULE);
    rawstore.idle();
    for (int i = 200; i >= 0; i -= 3) {
        ((SQLLongint) base_row[0]).setValue(1);
        ((SQLLongint) base_row[1]).setValue(i);
        base_cc.insertAndFetchLocation(base_row, rowloc);
        if (index_cc.insert(index_row.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    for (int i = 200; i >= 0; i -= 3) {
        ((SQLLongint) delete_key[0]).setValue(1);
        ((SQLLongint) delete_key[1]).setValue(i);
        if (!t_delete(tc, create_ret.index_conglomid, delete_key, false)) {
            ret_val = false;
        }
    }
    // 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_005: there are still rows in table.");
    index_cc.checkConsistency();
    for (int i = 600; i >= 400; i -= 3) {
        ((SQLLongint) base_row[0]).setValue(1);
        ((SQLLongint) base_row[1]).setValue(i);
        base_cc.insertAndFetchLocation(base_row, rowloc);
        if (index_cc.insert(index_row.getRow()) != 0)
            throw T_Fail.testFailMsg("insert failed");
    }
    index_cc.checkConsistency();
    tc.abort();
    // index check - there should be no records left.
    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_005: there are still rows in table.");
    REPORT("Ending t_005");
    return (ret_val);
}

Example 42 with ScanController

use of org.apache.derby.iapi.store.access.ScanController in project derby by apache.

the class T_CreateConglomRet method t_020.

/**
 * Test read uncommitted cases on scan.
 * <p>
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_020(TransactionController tc) throws StandardException, T_Fail {
    ScanController scan = null;
    REPORT("Starting t_020");
    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
    // 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);
    // 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 so that the following aborts don't
    // undo that work.
    tc.commit();
    // TEST 1 - position a read uncommitted scan on a row which is
    // purged by a split trying to get space on the page, and then see
    // what happens when the scan trys to continue.  This can only happen
    // currently if the same transaction deletes the row and while having
    // the scan open also does inserts onto the same page.  Otherwise the
    // btree scan will maintain a "page scan locks" which will prevent
    // the row from being purged out from underneath it.
    tc.commit();
    REPORT("Ending t_020");
    return true;
}

Example 43 with ScanController

use of org.apache.derby.iapi.store.access.ScanController in project derby by apache.

the class T_CreateConglomRet method t_008.

/**
 * Test multiple scans in a single table/with splits
 *
 * @exception  StandardException  Standard exception policy.
 * @exception  T_Fail  Throws T_Fail on any test failure.
 */
protected boolean t_008(TransactionController tc) throws StandardException, T_Fail {
    boolean ret_val = true;
    REPORT("Starting t_008");
    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 base row template.
    DataValueDescriptor[] base_row = TemplateRow.newU8Row(2);
    RowLocation base_rowloc = base_cc.newRowLocationTemplate();
    T_SecondaryIndexRow index_row_from_base_row = new T_SecondaryIndexRow();
    index_row_from_base_row.init(base_row, base_rowloc, 3);
    ((SQLLongint) base_row[0]).setValue(1);
    // Create a row.
    T_SecondaryIndexRow index_row = new T_SecondaryIndexRow();
    index_row.init(TemplateRow.newU8Row(2), base_cc.newRowLocationTemplate(), 3);
    // 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: 1000, 3000
    // last key gotten froms scan : 0
    // insert keys:1-900
    // next key from scan should be: 5
    // insert 1000
    ((SQLLongint) base_row[1]).setValue(1000);
    base_cc.insertAndFetchLocation(base_row, base_rowloc);
    if (index_cc.insert(index_row_from_base_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 == 1000);
    // for (int i = 1; i < 900; i++)
    for (int i = 0; i < 6; i++) {
        // insert i
        ((SQLLongint) base_row[1]).setValue(i);
        base_cc.insertAndFetchLocation(base_row, base_rowloc);
        if (index_cc.insert(index_row_from_base_row.getRow()) != 0) {
            throw T_Fail.testFailMsg("insert failed");
        }
        if (i % 10 == 0) {
            // current position should not have changed
            scan.fetch(index_row.getRow());
            key = ((SQLLongint) (index_row.getRow()[1])).getLong();
            if (SanityManager.DEBUG)
                SanityManager.ASSERT(key == 1000);
        }
    }
    // insert 3000
    ((SQLLongint) base_row[1]).setValue(3000);
    base_cc.insertAndFetchLocation(base_row, base_rowloc);
    if (index_cc.insert(index_row_from_base_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 == 1000);
    // next position should be 3000
    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 == 3000);
    index_cc.checkConsistency();
    index_cc.close();
    scan.close();
    REPORT("Ending t_008");
    return (ret_val);
}

Example 44 with ScanController

use of org.apache.derby.iapi.store.access.ScanController 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 45 with ScanController

use of org.apache.derby.iapi.store.access.ScanController 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);
}