Examples with TupleDescriptor org.apache.derby.iapi.sql.dictionary.TupleDescriptor used on opensource projects

Example 1 with TupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.TupleDescriptor in project derby by apache.

the class DataDictionaryImpl method locateSchemaRowBody.

private SchemaDescriptor locateSchemaRowBody(UUID schemaId, int isolationLevel, TransactionController tc) throws StandardException {
    DataValueDescriptor UUIDStringOrderable;
    TabInfoImpl ti = coreInfo[SYSSCHEMAS_CORE_NUM];
    /* Use UUIDStringOrderable in both start and stop positions for scan */
    UUIDStringOrderable = getIDValueAsCHAR(schemaId);
    /* Set up the start/stop position for the scan */
    ExecIndexRow keyRow = exFactory.getIndexableRow(1);
    keyRow.setColumn(1, UUIDStringOrderable);
    return getDescriptorViaIndex(SYSSCHEMASRowFactory.SYSSCHEMAS_INDEX2_ID, keyRow, (ScanQualifier[][]) null, ti, (TupleDescriptor) null, (List<TupleDescriptor>) null, SchemaDescriptor.class, false, isolationLevel, tc);
}

Example 2 with TupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.TupleDescriptor in project derby by apache.

the class DataDictionaryImpl method getTriggerDescriptor.

/**
 * Get the stored prepared statement descriptor given
 * a sps name.
 *
 * @param name	The sps name.
 * @param sd	The schema descriptor.
 *
 * @return The TriggerDescriptor for the constraint.
 *
 * @exception StandardException		Thrown on failure
 */
public TriggerDescriptor getTriggerDescriptor(String name, SchemaDescriptor sd) throws StandardException {
    DataValueDescriptor schemaIDOrderable;
    DataValueDescriptor triggerNameOrderable;
    TabInfoImpl ti = getNonCoreTI(SYSTRIGGERS_CATALOG_NUM);
    /* Use triggerNameOrderable and schemaIdOrderable in both start 
		 * and stop position for scan. 
		 */
    triggerNameOrderable = new SQLVarchar(name);
    schemaIDOrderable = getIDValueAsCHAR(sd.getUUID());
    /* Set up the start/stop position for the scan */
    ExecIndexRow keyRow = exFactory.getIndexableRow(2);
    keyRow.setColumn(1, triggerNameOrderable);
    keyRow.setColumn(2, schemaIDOrderable);
    return getDescriptorViaIndex(SYSTRIGGERSRowFactory.SYSTRIGGERS_INDEX2_ID, keyRow, (ScanQualifier[][]) null, ti, (TupleDescriptor) null, (List<TupleDescriptor>) null, TriggerDescriptor.class, false);
}

Example 3 with TupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.TupleDescriptor in project derby by apache.

the class DataDictionaryImpl method getTableDescriptorIndex2Scan.

/**
 * Scan systables_index2 (tableid) for a match.
 *
 * @return TableDescriptor	The matching descriptor, if any.
 *
 * @exception StandardException		Thrown on failure
 */
private TableDescriptor getTableDescriptorIndex2Scan(String tableUUID) throws StandardException {
    DataValueDescriptor tableIDOrderable;
    TableDescriptor td;
    TabInfoImpl ti = coreInfo[SYSTABLES_CORE_NUM];
    /* Use tableIDOrderable in both start and stop position for scan.
		 */
    tableIDOrderable = new SQLChar(tableUUID);
    /* Set up the start/stop position for the scan */
    ExecIndexRow keyRow = exFactory.getIndexableRow(1);
    keyRow.setColumn(1, tableIDOrderable);
    td = getDescriptorViaIndex(SYSTABLESRowFactory.SYSTABLES_INDEX2_ID, keyRow, (ScanQualifier[][]) null, ti, (TupleDescriptor) null, (List<TupleDescriptor>) null, TableDescriptor.class, false);
    return finishTableDescriptor(td);
}

Example 4 with TupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.TupleDescriptor in project derby by apache.

the class DataDictionaryImpl method getAliasDescriptor.

/**
 * Get a AliasDescriptor given its UUID.
 *
 * @param uuid	The UUID
 *
 * @return The AliasDescriptor for the alias.
 *
 * @exception StandardException		Thrown on failure
 */
public AliasDescriptor getAliasDescriptor(UUID uuid) throws StandardException {
    DataValueDescriptor UUIDStringOrderable;
    TabInfoImpl ti = getNonCoreTI(SYSALIASES_CATALOG_NUM);
    /* Use UUIDStringOrderable in both start and stop positions for scan */
    UUIDStringOrderable = getIDValueAsCHAR(uuid);
    /* Set up the start/stop position for the scan */
    ExecIndexRow keyRow = exFactory.getIndexableRow(1);
    keyRow.setColumn(1, UUIDStringOrderable);
    return getDescriptorViaIndex(SYSALIASESRowFactory.SYSALIASES_INDEX2_ID, keyRow, (ScanQualifier[][]) null, ti, (TupleDescriptor) null, (List<TupleDescriptor>) null, AliasDescriptor.class, false);
}

Example 5 with TupleDescriptor

use of org.apache.derby.iapi.sql.dictionary.TupleDescriptor in project derby by apache.

the class DataDictionaryImpl method getTableDescriptorIndex1Scan.

/**
 * Scan systables_index1 (tablename, schemaid) for a match.
 *
 * @return TableDescriptor	The matching descriptor, if any.
 *
 * @exception StandardException		Thrown on failure
 */
private TableDescriptor getTableDescriptorIndex1Scan(String tableName, String schemaUUID) throws StandardException {
    DataValueDescriptor schemaIDOrderable;
    DataValueDescriptor tableNameOrderable;
    TableDescriptor td;
    TabInfoImpl ti = coreInfo[SYSTABLES_CORE_NUM];
    /* Use tableNameOrderable and schemaIdOrderable in both start 
		 * and stop position for scan. 
		 */
    tableNameOrderable = new SQLVarchar(tableName);
    schemaIDOrderable = new SQLChar(schemaUUID);
    /* Set up the start/stop position for the scan */
    ExecIndexRow keyRow = exFactory.getIndexableRow(2);
    keyRow.setColumn(1, tableNameOrderable);
    keyRow.setColumn(2, schemaIDOrderable);
    td = getDescriptorViaIndex(SYSTABLESRowFactory.SYSTABLES_INDEX1_ID, keyRow, (ScanQualifier[][]) null, ti, (TupleDescriptor) null, (List<TupleDescriptor>) null, TableDescriptor.class, false);
    return finishTableDescriptor(td);
}