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

Example 1 with SPSDescriptor

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

the class EmbedDatabaseMetaData method prepareSPS.

/*
	** Given a SPS name and a query text it returns a 
	** java.sql.PreparedStatement for the SPS. If the SPS
	** doeesn't exist is created.
	** 
	*/
private PreparedStatement prepareSPS(String spsName, String spsText, boolean net) throws StandardException, SQLException {
    LanguageConnectionContext lcc = getLanguageConnectionContext();
    /* We now need to do this in sub transaction because we could possibly recompile SPS
		 * later, and the recompile is in a sub transaction, and will update the SYSSTATEMENTS
		 * entry.  Don't want to block.
		 */
    lcc.beginNestedTransaction(true);
    DataDictionary dd = getLanguageConnectionContext().getDataDictionary();
    SPSDescriptor spsd = dd.getSPSDescriptor(spsName, net ? dd.getSysIBMSchemaDescriptor() : dd.getSystemSchemaDescriptor());
    lcc.commitNestedTransaction();
    if (spsd == null) {
        throw Util.notImplemented(spsName);
    }
    /* manish:
		   There should be a nicer way of getting a 
		   java.sql.PreparedStatement from an SPS descriptor!
		*/
    /*
		** It is unnecessarily expensive to get the
		** the statement, and then send an EXECUTE
		** statement, but we have no (easy) way of turning
		** the statement into a java.sql.PreparedStatement.
		*/
    String queryText = "EXECUTE STATEMENT " + (net ? "SYSIBM" : "SYS") + ".\"" + spsName + "\"";
    return getEmbedConnection().prepareMetaDataStatement(queryText);
}

Example 2 with SPSDescriptor

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

the class DataDictionaryImpl method dropJDBCMetadataSPSes.

/**
 * Remove metadata stored prepared statements.
 * @param tc the xact
 */
private void dropJDBCMetadataSPSes(TransactionController tc) throws StandardException {
    for (SPSDescriptor spsd : getAllSPSDescriptors()) {
        SchemaDescriptor sd = spsd.getSchemaDescriptor();
        // don't drop statements in non-system schemas
        if (!sd.isSystemSchema()) {
            continue;
        }
        dropSPSDescriptor(spsd, tc);
        dropDependentsStoredDependencies(spsd.getUUID(), tc);
    }
}

Example 3 with SPSDescriptor

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

the class DataDictionaryImpl method getSPSDescriptor.

/**
 * Get a SPSDescriptor given its name.
 * Currently no cacheing.  With caching
 * we need to be very careful about invalidation.
 * No caching means invalidations block on
 * existing SPSD instances (since they were read in
 *
 * @param stmtName	the statement name
 * @param sd	The SchemaDescriptor
 *
 * @return The SPSDescriptor for the constraint.
 *
 * @exception StandardException		Thrown on failure
 */
public SPSDescriptor getSPSDescriptor(String stmtName, SchemaDescriptor sd) throws StandardException {
    SPSDescriptor sps = null;
    TableKey stmtKey;
    UUID schemaUUID;
    /*
		** If we didn't get a schema descriptor, we had better
		** have a system table.
		*/
    if (SanityManager.DEBUG) {
        if (sd == null) {
            SanityManager.THROWASSERT("null schema for statement " + stmtName);
        }
    }
    schemaUUID = sd.getUUID();
    /* Only use the cache if we're in compile-only mode */
    if ((spsNameCache != null) && (getCacheMode() == DataDictionary.COMPILE_ONLY_MODE)) {
        stmtKey = new TableKey(schemaUUID, stmtName);
        SPSNameCacheable cacheEntry = (SPSNameCacheable) spsNameCache.find(stmtKey);
        if (cacheEntry != null) {
            sps = cacheEntry.getSPSDescriptor();
            spsNameCache.release(cacheEntry);
        }
        // System.out.println("stmt text " + sps.getText());
        return sps;
    }
    return getSPSDescriptorIndex1Scan(stmtName, schemaUUID.toString());
}

Example 4 with SPSDescriptor

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

the class DataDictionaryImpl method boot.

/**
 * Start-up method for this instance of the data dictionary.
 *
 * @param startParams	The start-up parameters
 *
 *	@exception StandardException	Thrown if the module fails to start
 */
public void boot(boolean create, Properties startParams) throws StandardException {
    softwareVersion = new DD_Version(this, DataDictionary.DD_VERSION_DERBY_10_15);
    startupParameters = startParams;
    uuidFactory = getMonitor().getUUIDFactory();
    engineType = Monitor.getEngineType(startParams);
    // Set the collation type of system schemas before we start loading
    // built-in schemas's SchemaDescriptor(s). This is because
    // SchemaDescriptor will look to DataDictionary to get the correct
    // collation type for themselves. We can't load SD for SESSION schema
    // just yet because we do not know the collation type for user schemas
    // yet. We will know the right collation for user schema little later
    // in this boot method.
    collationTypeOfSystemSchemas = StringDataValue.COLLATION_TYPE_UCS_BASIC;
    getBuiltinSystemSchemas();
    // REMIND: actually, we're supposed to get the DataValueFactory
    // out of the connection context...this is a bit of a shortcut.
    // We get the DataValueFactory early in order to help bootstrap the system catalogs.
    LanguageConnectionFactory langConnFactory = (LanguageConnectionFactory) bootServiceModule(create, this, LanguageConnectionFactory.MODULE, startParams);
    dvf = langConnFactory.getDataValueFactory();
    exFactory = (ExecutionFactory) bootServiceModule(create, this, ExecutionFactory.MODULE, startParams);
    // initailze the arrays of core and noncore tables
    initializeCatalogInfo();
    // indicate that we are in the process of booting
    booting = true;
    // set only if child class hasn't overriden this already
    if (dataDescriptorGenerator == null) {
        dataDescriptorGenerator = new DataDescriptorGenerator(this);
    }
    if (!create) {
        // SYSTABLES
        coreInfo[SYSTABLES_CORE_NUM].setHeapConglomerate(getBootParameter(startParams, CFG_SYSTABLES_ID, true));
        coreInfo[SYSTABLES_CORE_NUM].setIndexConglomerate(SYSTABLESRowFactory.SYSTABLES_INDEX1_ID, getBootParameter(startParams, CFG_SYSTABLES_INDEX1_ID, true));
        coreInfo[SYSTABLES_CORE_NUM].setIndexConglomerate(SYSTABLESRowFactory.SYSTABLES_INDEX2_ID, getBootParameter(startParams, CFG_SYSTABLES_INDEX2_ID, true));
        // SYSCOLUMNS
        coreInfo[SYSCOLUMNS_CORE_NUM].setHeapConglomerate(getBootParameter(startParams, CFG_SYSCOLUMNS_ID, true));
        coreInfo[SYSCOLUMNS_CORE_NUM].setIndexConglomerate(SYSCOLUMNSRowFactory.SYSCOLUMNS_INDEX1_ID, getBootParameter(startParams, CFG_SYSCOLUMNS_INDEX1_ID, true));
        // 2nd syscolumns index added in Xena, hence may not be there
        coreInfo[SYSCOLUMNS_CORE_NUM].setIndexConglomerate(SYSCOLUMNSRowFactory.SYSCOLUMNS_INDEX2_ID, getBootParameter(startParams, CFG_SYSCOLUMNS_INDEX2_ID, false));
        // SYSCONGLOMERATES
        coreInfo[SYSCONGLOMERATES_CORE_NUM].setHeapConglomerate(getBootParameter(startParams, CFG_SYSCONGLOMERATES_ID, true));
        coreInfo[SYSCONGLOMERATES_CORE_NUM].setIndexConglomerate(SYSCONGLOMERATESRowFactory.SYSCONGLOMERATES_INDEX1_ID, getBootParameter(startParams, CFG_SYSCONGLOMERATES_INDEX1_ID, true));
        coreInfo[SYSCONGLOMERATES_CORE_NUM].setIndexConglomerate(SYSCONGLOMERATESRowFactory.SYSCONGLOMERATES_INDEX2_ID, getBootParameter(startParams, CFG_SYSCONGLOMERATES_INDEX2_ID, true));
        coreInfo[SYSCONGLOMERATES_CORE_NUM].setIndexConglomerate(SYSCONGLOMERATESRowFactory.SYSCONGLOMERATES_INDEX3_ID, getBootParameter(startParams, CFG_SYSCONGLOMERATES_INDEX3_ID, true));
        // SYSSCHEMAS
        coreInfo[SYSSCHEMAS_CORE_NUM].setHeapConglomerate(getBootParameter(startParams, CFG_SYSSCHEMAS_ID, true));
        coreInfo[SYSSCHEMAS_CORE_NUM].setIndexConglomerate(SYSSCHEMASRowFactory.SYSSCHEMAS_INDEX1_ID, getBootParameter(startParams, CFG_SYSSCHEMAS_INDEX1_ID, true));
        coreInfo[SYSSCHEMAS_CORE_NUM].setIndexConglomerate(SYSSCHEMASRowFactory.SYSSCHEMAS_INDEX2_ID, getBootParameter(startParams, CFG_SYSSCHEMAS_INDEX2_ID, true));
    }
    String value = startParams.getProperty(Property.LANG_TD_CACHE_SIZE);
    tdCacheSize = PropertyUtil.intPropertyValue(Property.LANG_TD_CACHE_SIZE, value, 0, Integer.MAX_VALUE, Property.LANG_TD_CACHE_SIZE_DEFAULT);
    value = startParams.getProperty(Property.LANG_SPS_CACHE_SIZE);
    stmtCacheSize = PropertyUtil.intPropertyValue(Property.LANG_SPS_CACHE_SIZE, value, 0, Integer.MAX_VALUE, Property.LANG_SPS_CACHE_SIZE_DEFAULT);
    value = startParams.getProperty(Property.LANG_SEQGEN_CACHE_SIZE);
    seqgenCacheSize = PropertyUtil.intPropertyValue(Property.LANG_SEQGEN_CACHE_SIZE, value, 0, Integer.MAX_VALUE, Property.LANG_SEQGEN_CACHE_SIZE_DEFAULT);
    value = startParams.getProperty(Property.LANG_PERMISSIONS_CACHE_SIZE);
    permissionsCacheSize = PropertyUtil.intPropertyValue(Property.LANG_PERMISSIONS_CACHE_SIZE, value, 0, Integer.MAX_VALUE, Property.LANG_PERMISSIONS_CACHE_SIZE_DEFAULT);
    // See if automatic index statistics update is disabled through a
    // system wide property. May be overridden by a database specific
    // property later on.
    // The default is that automatic index statistics update is enabled.
    indexStatsUpdateDisabled = !PropertyUtil.getSystemBoolean(Property.STORAGE_AUTO_INDEX_STATS, true);
    // See if we should enable logging of index stats activities.
    indexStatsUpdateLogging = PropertyUtil.getSystemBoolean(Property.STORAGE_AUTO_INDEX_STATS_LOGGING);
    // See if we should enable tracing of index stats activities.
    indexStatsUpdateTracing = PropertyUtil.getSystemProperty(Property.STORAGE_AUTO_INDEX_STATS_TRACING, "off");
    /*
		 * data dictionary contexts are only associated with connections.
		 * we have to look for the basic data dictionary, as there is
		 * no connection, and thus no context stack yet.
		 */
    /*
		 * Get the table descriptor cache.
		 */
    CacheFactory cf = (CacheFactory) startSystemModule(org.apache.derby.shared.common.reference.Module.CacheFactory);
    OIDTdCache = cf.newCacheManager(this, "TableDescriptorOIDCache", tdCacheSize, tdCacheSize);
    nameTdCache = cf.newCacheManager(this, "TableDescriptorNameCache", tdCacheSize, tdCacheSize);
    if (stmtCacheSize > 0) {
        spsNameCache = cf.newCacheManager(this, "SPSNameDescriptorCache", stmtCacheSize, stmtCacheSize);
        spsIdHash = new Hashtable<UUID, SPSDescriptor>(stmtCacheSize);
    // spsTextHash = new Hashtable(stmtCacheSize);
    }
    sequenceGeneratorCache = cf.newCacheManager(this, "SequenceGeneratorCache", seqgenCacheSize, seqgenCacheSize);
    sequenceIDs = new HashMap<String, HashMap<String, String>>();
    /* Get the object to coordinate cache transitions */
    cacheCoordinator = new ShExLockable();
    /* Get AccessFactory in order to transaction stuff */
    af = (AccessFactory) findServiceModule(this, AccessFactory.MODULE);
    /* Get the lock factory */
    lockFactory = af.getLockFactory();
    /*
		 * now we need to setup a context stack for the database creation work.
		 * We assume the System boot process has created a context
		 * manager already, but not that contexts we need are there.
		 */
    ContextService csf = getContextService();
    ContextManager cm = csf.getCurrentContextManager();
    if (SanityManager.DEBUG)
        SanityManager.ASSERT((cm != null), "Failed to get current ContextManager");
    // RESOLVE other non-StandardException errors.
    bootingTC = null;
    try {
        // Get a transaction controller. This has the side effect of
        // creating a transaction context if there isn't one already.
        bootingTC = af.getTransaction(cm);
        /*
				We need an execution context so that we can generate rows
				REMIND: maybe only for create case?
			 */
        exFactory.newExecutionContext(cm);
        DataDescriptorGenerator ddg = getDataDescriptorGenerator();
        // We should set the user schema collation type here now because
        // later on, we are going to create user schema APP. By the time any
        // user schema gets created, we should have the correct collation
        // type set for such schemas to use. For this reason, don't remove
        // the following if else statement and don't move it later in this
        // method.
        String userDefinedCollation;
        if (create) {
            // Get the collation attribute from the JDBC url. It can only
            // have one of 2 possible values - UCS_BASIC or TERRITORY_BASED
            // This attribute can only be specified at database create time.
            // The attribute value has already been verified in DVF.boot and
            // hence we can be assured that the attribute value if provided
            // is either UCS_BASIC or TERRITORY_BASED. If none provided,
            // then we will take it to be the default which is UCS_BASIC.
            userDefinedCollation = startParams.getProperty(Attribute.COLLATION, Property.UCS_BASIC_COLLATION);
            bootingTC.setProperty(Property.COLLATION, userDefinedCollation, true);
        } else {
            userDefinedCollation = startParams.getProperty(Property.COLLATION, Property.UCS_BASIC_COLLATION);
        }
        // Initialize the collation type of user schemas by looking at
        // collation property/attribute.
        collationTypeOfUserSchemas = DataTypeDescriptor.getCollationType(userDefinedCollation);
        if (SanityManager.DEBUG)
            SanityManager.ASSERT((collationTypeOfUserSchemas != -1), "Invalid collation type: " + userDefinedCollation);
        // Now is also a good time to create schema descriptor for global
        // temporary tables. Since this is a user schema, it should use the
        // collation type associated with user schemas. Since we just
        // finished setting up the collation type of user schema, it is
        // safe to create user SchemaDescriptor(s) now.
        declaredGlobalTemporaryTablesSchemaDesc = newDeclaredGlobalTemporaryTablesSchemaDesc(SchemaDescriptor.STD_DECLARED_GLOBAL_TEMPORARY_TABLES_SCHEMA_NAME);
        boolean nativeAuthenticationEnabled = PropertyUtil.nativeAuthenticationEnabled(startParams);
        if (create) {
            String userName = IdUtil.getUserNameFromURLProps(startParams);
            authorizationDatabaseOwner = IdUtil.getUserAuthorizationId(userName);
            HashSet<String> newlyCreatedRoutines = new HashSet<String>();
            // log the current dictionary version. Moving this statement to top as SYSCOLUMNSRowFactory
            // queries the version info. SEE Derby-6904
            dictionaryVersion = softwareVersion;
            // create any required tables.
            createDictionaryTables(startParams, bootingTC, ddg);
            // create procedures for network server metadata
            create_SYSIBM_procedures(bootingTC, newlyCreatedRoutines);
            // create metadata sps statement required for network server
            createSystemSps(bootingTC);
            // create the SYSCS_UTIL system procedures)
            create_SYSCS_procedures(bootingTC, newlyCreatedRoutines);
            // now grant execute permission on some of these routines
            grantPublicAccessToSystemRoutines(newlyCreatedRoutines, bootingTC, authorizationDatabaseOwner);
            /* Set properties for current and create time 
				 * DataDictionary versions.
				 */
            bootingTC.setProperty(DataDictionary.CORE_DATA_DICTIONARY_VERSION, dictionaryVersion, true);
            bootingTC.setProperty(DataDictionary.CREATE_DATA_DICTIONARY_VERSION, dictionaryVersion, true);
            // 
            if (PropertyUtil.getSystemBoolean(Property.SQL_AUTHORIZATION_PROPERTY)) {
                bootingTC.setProperty(Property.SQL_AUTHORIZATION_PROPERTY, "true", true);
            }
            if (PropertyUtil.getSystemBoolean(Property.SQL_AUTHORIZATION_PROPERTY) || nativeAuthenticationEnabled) {
                usesSqlAuthorization = true;
            }
            // Set default hash algorithm used to protect passwords stored
            // in the database for BUILTIN and NATIVE authentication.
            bootingTC.setProperty(Property.AUTHENTICATION_BUILTIN_ALGORITHM, findDefaultBuiltinAlgorithm(), false);
        } else {
            // Get the ids for non-core tables
            loadDictionaryTables(bootingTC, startParams);
            // See if index stats update is disabled by a database prop.
            String dbIndexStatsUpdateAuto = PropertyUtil.getDatabaseProperty(bootingTC, Property.STORAGE_AUTO_INDEX_STATS);
            if (dbIndexStatsUpdateAuto != null) {
                indexStatsUpdateDisabled = !Boolean.valueOf(dbIndexStatsUpdateAuto).booleanValue();
            }
            String dbEnableIndexStatsLogging = PropertyUtil.getDatabaseProperty(bootingTC, Property.STORAGE_AUTO_INDEX_STATS_LOGGING);
            if (dbEnableIndexStatsLogging != null) {
                indexStatsUpdateLogging = Boolean.valueOf(dbEnableIndexStatsLogging).booleanValue();
            }
            String dbEnableIndexStatsTracing = PropertyUtil.getDatabaseProperty(bootingTC, Property.STORAGE_AUTO_INDEX_STATS_TRACING);
            if (dbEnableIndexStatsTracing != null) {
                if (!(dbEnableIndexStatsTracing.equalsIgnoreCase("off") || dbEnableIndexStatsTracing.equalsIgnoreCase("log") || dbEnableIndexStatsTracing.equalsIgnoreCase("stdout") || dbEnableIndexStatsTracing.equalsIgnoreCase("both"))) {
                    indexStatsUpdateTracing = "off";
                } else {
                    indexStatsUpdateTracing = dbEnableIndexStatsTracing;
                }
            }
            String sqlAuth = PropertyUtil.getDatabaseProperty(bootingTC, Property.SQL_AUTHORIZATION_PROPERTY);
            // Feature compatibility check.
            if (Boolean.valueOf(startParams.getProperty(Attribute.SOFT_UPGRADE_NO_FEATURE_CHECK)).booleanValue()) {
                // database owner check at a hard upgrade.
                if (dictionaryVersion.majorVersionNumber >= DataDictionary.DD_VERSION_DERBY_10_2) {
                    usesSqlAuthorization = Boolean.valueOf(sqlAuth).booleanValue() || nativeAuthenticationEnabled;
                }
            } else {
                if (Boolean.valueOf(sqlAuth).booleanValue() || nativeAuthenticationEnabled) {
                    // SQL authorization requires 10.2 or higher database
                    checkVersion(DataDictionary.DD_VERSION_DERBY_10_2, "sqlAuthorization");
                    usesSqlAuthorization = true;
                }
            }
        }
        if (SanityManager.DEBUG)
            SanityManager.ASSERT((authorizationDatabaseOwner != null), "Failed to get Database Owner authorization");
        /* Commit & destroy the create database */
        bootingTC.commit();
        // done with ctx
        cm.getContext(ExecutionContext.CONTEXT_ID).popMe();
    } finally {
        if (bootingTC != null) {
            // gets rid of the transaction context
            bootingTC.destroy();
            bootingTC = null;
        }
    }
    setDependencyManager();
    booting = false;
}

Example 5 with SPSDescriptor

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

the class DataDictionaryImpl method getSPSDescriptor.

/**
 * Get a SPSDescriptor given its UUID.
 *
 * @param uuid	The UUID
 *
 * @return The SPSDescriptor for the constraint.
 *
 * @exception StandardException		Thrown on failure
 */
public SPSDescriptor getSPSDescriptor(UUID uuid) throws StandardException {
    SPSDescriptor sps;
    /* Make sure that non-core info is initialized */
    getNonCoreTI(SYSSTATEMENTS_CATALOG_NUM);
    /* Only use the cache if we're in compile-only mode */
    if ((spsNameCache != null) && (getCacheMode() == DataDictionary.COMPILE_ONLY_MODE)) {
        sps = spsIdHash.get(uuid);
        if (sps != null) {
            return sps;
        }
        sps = getSPSDescriptorIndex2Scan(uuid.toString());
        TableKey stmtKey = new TableKey(sps.getSchemaDescriptor().getUUID(), sps.getName());
        try {
            SPSNameCacheable cacheEntry = (SPSNameCacheable) spsNameCache.create(stmtKey, sps);
            spsNameCache.release(cacheEntry);
        } catch (StandardException se) {
            /*
				** If the error is that the item is already
				** in the cache, then that is ok.
				*/
            if (SQLState.OBJECT_EXISTS_IN_CACHE.equals(se.getMessageId())) {
                return sps;
            } else {
                throw se;
            }
        }
    } else {
        sps = getSPSDescriptorIndex2Scan(uuid.toString());
    }
    return sps;
}