Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext

Modifier and Type	Field and Description
private final ArrayList<Activation>	acts
private ArrayList<TempTableInfo>	allDeclaredGlobalTempTables
private ASTVisitor	astWalker
protected Authorizer	authorizer
private HashMap<String, AutoincrementCounter>	autoincrementCacheHashtable
private HashMap<String, Long>	autoincrementHT To support lastAutoincrementValue: This is a hashtable which maps schemaName,tableName,columnName to a Long value.
private boolean	autoincrementUpdate whether to allow updates or not.
protected int	bindCount
private SchemaDescriptor	cachedInitialDefaultSchemaDescr Used to hold the computed value of the initial default schema, cf logic in initDefaultSchemaDescriptor.
protected LanguageConnectionFactory	connFactory
private int	currentSavepointLevel
protected DataValueFactory	dataFactory
private Database	db
private String	dbname
private boolean	ddWriteMode
private int	defaultIsolationLevel
private HashMap<UUID, DeferredConstraintsMemory.ValidationInfo>	deferredHashTables The set of disk backed hash tables containing any index rows saved for deferred constraints in this transaction, keyed by the conglomerate id. Checked at commit time, then discarded.
private String	drdaID
private boolean	identityNotNull
private long	identityVal
private final int	instanceNumber
private StandardException	interruptedException Interrupt status flag of this session's thread, in the form of an exception created where an interrupt was (last) detected during operation, null if no interrupt has been seen.
protected int	isolationLevel
private boolean	isolationLevelExplicitlySet
private boolean	isolationLevelSetUsingSQLorJDBC
private HeaderPrintWriter	istream
protected LanguageFactory	langFactory
private Object	lastQueryTree
private int	lockEscalationThreshold
private boolean	logQueryPlan
private boolean	logStatementText
private int	maxActsSize The maximum size of acts since the last time it was trimmed.
protected long	nextCursorId
protected int	nextSavepointId
private static final int	NON_XA
protected OptimizerFactory	of
private OptTrace	optimizerTracer
protected int	outermostTrigger
protected int	prepareIsolationLevel
pack-priv Map<Object, Object>	printedObjectsMap This holds a map of AST nodes that have already been printed during a compiler phase, so as to be able to avoid printing a node more than once.
private int	queryNestingDepth queryNestingDepth is a counter used to keep track of how many calls have been made to begin read-only nested transactions.
private TransactionController	readOnlyNestedTransaction If non-null indicates that a read-only nested user transaction is in progress.
private WeakHashMap<TableDescriptor, FormatableBitSet>	referencedColumnMap Connection local state for cached `TableDescriptor`s used for keeping track of referenced columns for a table during DDL operations.
private RunTimeStatistics	runTimeStatisticsObject
private boolean	runTimeStatisticsSetting
private StringBuffer	sb
private String	sessionUser In contrast to current user id, which may change (inside a routine executing with definer's rights), the sessionUser is constant in a session.
private final StatementContext[]	statementContexts
private int	statementDepth
private boolean	statisticsTiming
private ArrayList<ExecutionStmtValidator>	stmtValidators
protected TypeCompilerFactory	tcf
private SQLSessionContext	topLevelSSC The top SQL session context stack frame (SQL 2003, section 4.37.3), is kept in topLevelSSC.
private final TransactionController	tran The transaction to use within this language connection context.
private ArrayList<TriggerExecutionContext>	triggerExecutionContexts
private ArrayList<TableDescriptor>	triggerTables
private volatile boolean	unusedActs
protected String	userName
private static final int	XA_ONE_PHASE
private static final int	XA_TWO_PHASE
private String	xplain_schema the current xplain schema.
private Map<Object, Object>	xplain_statements For each XPLAIN table, this map stores a SQL INSERT statement which can be prepared and used to insert rows into the table during the capturing of statistics data into the user XPLAIN tables.
private boolean	xplainOnlyMode If xplainOnlyMode is set (via SYSCS_SET_XPLAIN_MODE), then the connection does not actually execute statements, but only compiles them, and emits the query plan information into the XPLAIN tables.

Access	Constructor and Description
public	GenericLanguageConnectionContext(ContextManager cm, TransactionController tranCtrl, LanguageFactory lf, LanguageConnectionFactory lcf, Database db, String userName, int instanceNumber, String drdaID, String dbname)

Method Summary

Modifier and Type	Method and Description
public void	addActivation(Activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.addActivation. Add the activation to those known about by this connection.
public void	addDeclaredGlobalTempTable(TableDescriptor Corresponding to the temporary table td) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.addDeclaredGlobalTempTable. Add the declared global temporary table to the list of temporary tables known by this connection.
public StringBuffer	appendErrorInfo() Overrides org.apache.derby.iapi.services.context.ContextImpl.appendErrorInfo.
public void	autoincrementCreateCounter(String SchemaName s, String TableName t, String ColumnName c, Long initial value of the counter. initialValue, long increment for the counter. increment, int column position (1-based). position) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.autoincrementCreateCounter. Create an autoincrement counter to be used on behalf of a SQL-J statement.
public void	autoincrementFlushCache(UUID the table which is being flushed; we need this value to identify the table for which the autoincrement counter is being maintained. tableUUID) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.autoincrementFlushCache. Flush the cache of autoincrement values being kept by the lcc.
public void	beginNestedTransaction(boolean The nested transaction would be read only if param value true readOnly) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.beginNestedTransaction. Start a Nested User Transaction (NUT) with the store.
private boolean	Returns: boolean false if found no activations checkIfAnyActivationHasHoldCursor(String look for any activations referencing this table name tableName) check if there are any activations that reference this temporary table
public boolean	checkIfAnyDeclaredGlobalTempTablesForThisConnection() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.checkIfAnyDeclaredGlobalTempTablesForThisConnection. Check if there are any global temporary tables declared for this connection.
public void	checkIntegrity() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.checkIntegrity. Check that deferred constraints are valid, if not roll back the transaction.
public void	cleanupOnError(Throwable The original error error) Implements org.apache.derby.iapi.services.context.Context.cleanupOnError. If worse than a transaction error, everything goes; we rely on other contexts to kill the context manager for this session.
private TableDescriptor	cleanupTempTableOnCommitOrRollback(TableDescriptor td, boolean dropAndRedeclare) If dropAndRedeclare is true, that means we have come here for temp tables with on commit delete rows and no held curosr open on them.
private void	clearDeferreds() Clear deferred information for this transaction.
public void	closeUnusedActivations() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.closeUnusedActivations. Close any unused activations in this connection context.
public void	commitNestedTransaction() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.commitNestedTransaction. commit a nested transaction.
private void	compareConstraintModes(SQLSessionContext nested, SQLSessionContext caller)
public void	copyHashtableToAIHT(Map<String, Long> from) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.copyHashtableToAIHT. Copies an existing autoincrement mapping into autoincrementHT, the cache of autoincrement values kept in the languageconnectioncontext.
public SQLSessionContext	createSQLSessionContext() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.createSQLSessionContext. Create a fresh SQLSessionContext for this connection.
public final boolean	dataDictionaryInWriteMode() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.dataDictionaryInWriteMode. Return true if the data dictionary is in write mode (that is, this context was informed that is is in write mode by the method call setDataDictionaryWriteMode().
public int	decrementBindCount() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.decrementBindCount. Decrement the DataDictionary bind count.
private void	decrementStatementDepth() Decrements the statement depth
protected void	doCommit(boolean true if we should commit the Store transaction commitStore, boolean true means do a synchronized commit, false means do an unsynchronized commit sync, int if this is an unsynchronized commit, the flags to pass to commitNoSync in the store's TransactionController. If this is a synchronized commit, this flag is overloaded for xacommit. commitflag, boolean False iff the commit is for internal use and we should ignore the check to prevent commits in an atomic statement. requestedByUser) This is where the work on internalCommit(), userCOmmit() and internalCommitNoSync() actually takes place.
private void	doRollback(boolean true if this is an xa rollback xa, boolean true if requested by user requestedByUser) When a rollback happens, the language connection context will close all open activations and invalidate their prepared statements.
private void	dropAllDeclaredGlobalTempTables() Drop all the declared global temporary tables associated with this connection.
public boolean	dropDeclaredGlobalTempTable(String look for this table name in the saved list and drop it if found tableName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.dropDeclaredGlobalTempTable. Drop (mark the declared global temporary table for dropping) from the list of temporary tables known by this connection.
private void	endTransactionActivationHandling(boolean forRollback) If we are called as part of rollback code path, then we will reset all the activations that have resultset returning rows associated with them.
private TempTableInfo	Returns: data structure defining the temporary table if found. Else, return null findDeclaredGlobalTempTable(String look for this table name in the saved list tableName) Find the declared global temporary table in the list of temporary tables known by this connection.
private void	finishDDTransaction() Finish the data dictionary transaction, if any.
public int	getActivationCount() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getActivationCount. Return the number of activations known for this connection.
public ASTVisitor	getASTVisitor() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getASTVisitor. Get the Visitor which should walk the AST.
public Authorizer	getAuthorizer() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getAuthorizer. Get an Authorizer for this connection.
public boolean	getAutoincrementUpdate() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getAutoincrementUpdate. Returns the current value of autoincrementUpdate.
public int	getBindCount() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getBindCount. Get the DataDictionary bind count.
public int	getCurrentIsolationLevel() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentIsolationLevel. Get the current isolation level.
public String	getCurrentIsolationLevelStr() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentIsolationLevelStr. Get the current isolation level in DB2 format.
public String	getCurrentRoleId(Activation activation of statement needing current role a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentRoleId. Get the current role authorization identifier of the dynamic call context associated with this activation.
public String	getCurrentRoleIdDelimited(Activation activation of statement needing current role a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentRoleIdDelimited. Get the current role authorization identifier in external delimited form (not case normal form) of the dynamic call context associated with this activation.
public String	getCurrentSchemaName() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentSchemaName. Get the current schema name (at compile-time, see explanations for getDefaultSchema overloads).
public String	getCurrentSchemaName(Activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentSchemaName. Get the current schema name (at execution time, see explanations for getDefaultSchema overloads); This version is used by CURRENT SCHEMA.
public SQLSessionContext	getCurrentSQLSessionContext(Activation the activation activation) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentSQLSessionContext. Return the current SQL session context of the activation
private SQLSessionContext	getCurrentSQLSessionContext() Return the current SQL session context based on statement context
public String	getCurrentUserId(Activation activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getCurrentUserId. Get the Authorization Id of the current user
public Database	getDatabase() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDatabase. Returns the Database of this connection.
public DataDictionary	getDataDictionary() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDataDictionary. Get the data dictionary
public DataValueFactory	getDataValueFactory() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDataValueFactory. Get the data value factory to use with this language connection context.
public String	getDbname() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDbname. Get the database name of this LCC.
public SchemaDescriptor	getDefaultSchema() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDefaultSchema. Get the default schema (used at compile-time when no activation is yet available, cf. the activation argument overload version.
public SchemaDescriptor	getDefaultSchema(Activation current activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDefaultSchema. Get the default schema (used at execution time).
public HashMap<UUID, DeferredConstraintsMemory.ValidationInfo>	getDeferredHashTables() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDeferredHashTables. Get the set of disk backed hash tables containing any index rows saved for deferred unique/PK constraints in this transaction, keyed by the conglomerate id, or rows saved containing row locations violating rows for deferred check constraints.
public String	getDrdaID() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getDrdaID. Get the DRDA ID of this LCC.
public Long	Returns: the generated identity column value getIdentityValue() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getIdentityValue. Get the identity column value most recently generated.
private SchemaDescriptor	Returns: the schema descriptor of the computed initial default schema getInitialDefaultSchemaDescriptor() Get the computed value for the initial default schema.
public int	getInstanceNumber() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getInstanceNumber. Get the instance number of this LCC.
public StandardException	getInterruptedException() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getInterruptedException. Get exception created when we detected interruped status flag.
public LanguageConnectionFactory	getLanguageConnectionFactory() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLanguageConnectionFactory. Get the language connection factory to use with this language connection context.
public LanguageFactory	getLanguageFactory() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLanguageFactory. Get the language factory to use with this language connection context.
public Activation	getLastActivation() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLastActivation. Return the last activation added This is used to find the drop activation in dropViewCascade so we can add warning messages to the activation
public Object	getLastQueryTree() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLastQueryTree. Debug method for retrieving the last query tree.
public int	getLockEscalationThreshold() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLockEscalationThreshold. get the lock escalation threshold.
public boolean	getLogQueryPlan() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLogQueryPlan. Get value of logQueryPlan.
public boolean	getLogStatementText() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getLogStatementText. Get value of logStatementText.
private String	Returns: A unique String for a statement name. getNameString(String The prefix for the statement name. prefix, long The number to append for uniqueness number) Build a String for a statement name.
public OptimizerFactory	getOptimizerFactory() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getOptimizerFactory. get the optimizer factory to use with this language connection context.
public OptTrace	getOptimizerTracer() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getOptimizerTracer. Get the optimizer tracer (could be null if we aren't tracing the optimizer).
public int	getPrepareIsolationLevel() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getPrepareIsolationLevel. Get the prepare isolation level.
public Map<Object, Object>	getPrintedObjectsMap() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getPrintedObjectsMap. Return a map of AST nodes that have already been printed during a compiler phase, so as to be able to avoid printing a node more than once.
public FormatableBitSet	getReferencedColumnMap(TableDescriptor td) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getReferencedColumnMap. Get the referenced column map for a table
public boolean	getRunTimeStatisticsMode() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getRunTimeStatisticsMode. Get the RUNTIMESTATISTICS mode.
public RunTimeStatistics	getRunTimeStatisticsObject() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getRunTimeStatisticsObject. Get the RUNTIMESTATISTICS object.
public String	Returns: String the authorization id of the session user. getSessionUserId() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getSessionUserId. Get the session user
public StatementContext	getStatementContext() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getStatementContext. Get the current StatementContext.
public int	Returns: a statement level >= OUTERMOST_STATEMENT getStatementDepth() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getStatementDepth. Reports how many statement levels deep we are.
public boolean	getStatisticsTiming() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getStatisticsTiming. Get the STATISTICS TIMING mode.
public TableDescriptor	getTableDescriptorForDeclaredGlobalTempTable(String Get table descriptor for the passed table name tableName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTableDescriptorForDeclaredGlobalTempTable. Get table descriptor for the declared global temporary table from the list of temporary tables known by this connection.
public SQLSessionContext	getTopLevelSQLSessionContext() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTopLevelSQLSessionContext. Get the value of top level session context of the top level connection.
public final TransactionController	getTransactionCompile() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTransactionCompile. Get the transaction controller to use at compile time with this language connection context.
public TransactionController	getTransactionExecute() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTransactionExecute. Get the transaction controller to use with this language connection context during execute time.
public TriggerExecutionContext	Returns: the tec getTriggerExecutionContext() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTriggerExecutionContext. Get the topmost tec.
public TableDescriptor	Returns: the table descriptor, or null if we aren't in the middle of compiling a create trigger. getTriggerTable() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getTriggerTable. Get the topmost trigger table descriptor
public String	getUniqueCursorName() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getUniqueCursorName. Get a connection unique system generated name for a cursor.
public int	getUniqueSavepointID() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getUniqueSavepointID. Get a connection unique system generated id for an unnamed savepoint.
public String	getUniqueSavepointName() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getUniqueSavepointName. Get a connection unique system generated name for an unnamed savepoint.
public boolean	getXplainOnlyMode() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getXplainOnlyMode. gets the current set XplainOnlyMode
public String	getXplainSchema() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getXplainSchema. gets the current set XplainSchema
public Object	getXplainStatement(Object key) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.getXplainStatement.
public int	incrementBindCount() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.incrementBindCount. Increment the DataDictionary bind count.
private void	incrementStatementDepth() Increments the statement depth.
protected SchemaDescriptor	Returns: computed initial default schema value for this session initDefaultSchemaDescriptor() Compute the initial default schema and set cachedInitialDefaultSchemaDescr accordingly.
public void	initialize() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.initialize. Initialize.
public void	internalCommit(boolean true if we should commit the Store transaction commitStore) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.internalCommit. Do a commit as appropriate for an internally generated commit (e.g. as needed by sync, or autocommit).
public final void	internalCommitNoSync(int the flags to pass to commitNoSync in the store's TransactionController commitflag) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.internalCommitNoSync. Commit the language transaction by doing a commitNoSync() on the store's TransactionController.
public void	internalRollback() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.internalRollback. Do a rollback as appropriate for an internally generated rollback (e.g. as needed by sync, or autocommit).
public void	internalRollbackToSavepoint(String Name of the savepoint that needs to be rolled back savepointName, boolean boolean indicating whether or not the controller should close open conglomerates and scans. Also used to determine if language should close open activations. refreshStyle, Object A NULL value means it is an internal savepoint (ie not a user defined savepoint) Non NULL value means it is a user defined savepoint which can be a SQL savepoint or a JDBC savepoint A String value for kindOfSavepoint would mean it is SQL savepoint A JDBC Savepoint object value for kindOfSavepoint would mean it is JDBC savepoint kindOfSavepoint) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.internalRollbackToSavepoint. Let the context deal with a rollback to savepoint
private void	invalidateCleanupDroppedTable(TableDescriptor td) Invalidate a dropped temp table
public boolean	isEffectivelyDeferred(SQLSessionContext The SQL session context for which we are asking the status sc, UUID The constraint id we are inquiring about. constraintId) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.isEffectivelyDeferred. Determines if a check or foreign key constraint has deferred mode.
public boolean	isInitialDefaultSchema(String schemaName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.isInitialDefaultSchema. Return true if this schema name is the initial default schema for the current session.
public boolean	isIsolationLevelSetUsingSQLorJDBC() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.isIsolationLevelSetUsingSQLorJDBC. Returns true if isolation level has been set using JDBC/SQL.
public boolean	isLastHandler(int The severity level severity) Overrides org.apache.derby.iapi.services.context.ContextImpl.isLastHandler. Implements org.apache.derby.iapi.services.context.Context.isLastHandler. Return whether or not this context is the "last" handler for a the specified severity level.
public boolean	isReadOnly() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.isReadOnly. Get the readOnly status for the current connection.
public boolean	Returns: true if there is outstanding work in the transaction false otherwise isTransactionPristine() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.isTransactionPristine. Reports whether there is any outstanding work in the transaction.
public void	languageSetSavePoint(String name of savepoint savepointName, Object A NULL value means it is an internal savepoint (ie not a user defined savepoint) Non NULL value means it is a user defined savepoint which can be a SQL savepoint or a JDBC savepoint A String value for kindOfSavepoint would mean it is SQL savepoint A JDBC Savepoint object value for kindOfSavepoint would mean it is JDBC savepoint kindOfSavepoint) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.languageSetSavePoint. Sets a savepoint.
public Long	lastAutoincrementValue(String schemaName, String tableName, String columnName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.lastAutoincrementValue. lastAutoincrementValue searches for the last autoincrement value inserted into a column specified by the user.
public CursorActivation	Returns: the activation for the given cursor, null if none was found. lookupCursorActivation(String cursorName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.lookupCursorActivation. See if a given cursor is available for use.
public PreparedStatement	Returns: the prepared statement for the given string, null if none was found. lookupStatement(GenericStatement statement) See if a given statement has already been compiled for this user, and if so use its prepared statement.
public void	markTempTableAsModifiedInUnitOfWork(String Mark the passed temporary table name as modified tableName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.markTempTableAsModifiedInUnitOfWork. Mark the passed temporary table as modified in the current unit of work.
public long	nextAutoincrementValue(String schemaName, String tableName, String identify the column uniquely in the system. columnName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.nextAutoincrementValue. returns the next value to be inserted into an autoincrement col.
public void	notifyUnusedActivation() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.notifyUnusedActivation. Make a note that some activations are marked unused
public boolean	optimizerTracingIsOn() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.optimizerTracingIsOn. Get whether or not optimizer trace is on.
public void	popCompilerContext(CompilerContext The compiler context. cc) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popCompilerContext. Pop a CompilerContext off the context stack.
public void	popExecutionStmtValidator(ExecutionStmtValidator the validator to remove validator) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popExecutionStmtValidator. Remove the validator.
public void	popNestedSessionContext(Activation activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popNestedSessionContext. If returning from a routine that can execute SQL, perform any actions needed when popping the SQL session context.
public void	popStatementContext(StatementContext The statement context. statementContext, Throwable The error, if any (Only relevant for DEBUG) error) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popStatementContext. Pop a StatementContext of the context stack.
public void	popTriggerExecutionContext(TriggerExecutionContext the tec to remove tec) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popTriggerExecutionContext. Remove the tec.
public void	popTriggerTable(TableDescriptor the table to remove from the stack. td) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.popTriggerTable. Remove the trigger table descriptor.
public PreparedStatement	prepareInternalStatement(SchemaDescriptor schema compilationSchema, String sql query string sqlText, boolean read only status for resultset. Set to true if the concurrency mode for the resultset is CONCUR_READ_ONLY isForReadOnly, boolean If true, then this query is allowed to use internal sql syntax. One instance where this will be true is if a metadata query is getting executed. forMetaData) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.prepareInternalStatement. Return a PreparedStatement object for the query.
public PreparedStatement	prepareInternalStatement(String sql query string sqlText) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.prepareInternalStatement. Return a PreparedStatement object for the query.
public final CompilerContext	Returns: the compiler context pushCompilerContext() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushCompilerContext. Push a CompilerContext on the context stack with the current default schema as the default schema which we compile against.
public CompilerContext	Returns: the compiler context For the parameter sd, there are 3 possible values(of interest) that can get passed into this method: a) A null SchemaDescriptor which indicates to the system to use the CURRENT SCHEMA as the compilation schema. b) A SchemaDescriptor with its UUID == null, this indicates that either the schema has not been physically created yet or that the LCC's getDefaultSchema() is not yet up-to-date with its actual UUID. The system will use the CURRENT SCHEMA as the compilation schema. c) A SchemaDescriptor with its UUID != null, this means that the schema has been physically created. The system will use this schema as the compilation schema (e.g.: for trigger or view recompilation cases, etc.). The compiler context's compilation schema will be set accordingly based on the given input above. pushCompilerContext(SchemaDescriptor the default schema sd) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushCompilerContext. Push a CompilerContext on the context stack with the passed in schema sd as the default schema we compile against.
public void	pushExecutionStmtValidator(ExecutionStmtValidator the validator to add validator) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushExecutionStmtValidator. Push a new execution statement validator.
public void	pushNestedSessionContext(Activation activation of the statement which performs the call. a, boolean if the method should run with definer's rights definersRights, String authorization id of the definer definer) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushNestedSessionContext. Create a new SQL session context for the current activation on the basis of the existing SQL session context.
public StatementContext	Returns: StatementContext The statement context. pushStatementContext(boolean whether this statement is atomic or not isAtomic, boolean whether this statement is for a read only resultset isForReadOnly, String the text of the statement. Needed for any language statement (currently, for any statement that can cause a trigger to fire). Please set this unless you are some funky jdbc setXXX method or something. stmtText, ParameterValueSet parameter value set, if it has one pvs, boolean True if 1) the statement context is NOT a top-level context, AND 2) in the event of a statement-level exception, the parent context needs to be rolled back, too. rollbackParentContext, long timeout value for this statement, in milliseconds. The value 0 means that no timeout is set. timeoutMillis) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushStatementContext. Push a StatementContext on the context stack.
public void	pushTriggerExecutionContext(TriggerExecutionContext the trigger execution context tec) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushTriggerExecutionContext. Push a new trigger execution context.
public void	pushTriggerTable(TableDescriptor the table that the trigger is defined upon td) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.pushTriggerTable. Set the trigger table descriptor.
public void	releaseSavePoint(String Name of the savepoint that needs to be released savepointName, Object A NULL value means it is an internal savepoint (ie not a user defined savepoint) Non NULL value means it is a user defined savepoint which can be a SQL savepoint or a JDBC savepoint A String value for kindOfSavepoint would mean it is SQL savepoint A JDBC Savepoint object value for kindOfSavepoint would mean it is JDBC savepoint kindOfSavepoint) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.releaseSavePoint. Let the context deal with a release of a savepoint
public void	removeActivation(Activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.removeActivation. Remove the activation to those known about by this connection.
public void	removeStatement(GenericStatement Statement to remove statement) This method will remove a statement from the statement cache.
private void	replaceDeclaredGlobalTempTable(String Temporary table name whose table descriptor is getting changed tableName, TableDescriptor New table descriptor for the temporary table td) This is called at the commit time for temporary tables with ON COMMIT DELETE ROWS If a temp table with ON COMMIT DELETE ROWS doesn't have any held cursor open on them, we delete the data from them by dropping the conglomerate and recreating the conglomerate.
public void	resetFromPool() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.resetFromPool. Reset the connection before it is returned (indirectly) by a PooledConnection object.
public void	resetIsolationLevelFlagUsedForSQLandJDBC() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.resetIsolationLevelFlagUsedForSQLandJDBC. Reset the isolation level flag used to keep correct isolation level state in BrokeredConnection.
private void	resetSavepoints() Reset all statement savepoints.
public void	resetSchemaUsages(Activation current activation activation, String the schema name occurences of which is to be reset schemaName) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.resetSchemaUsages. Reset any occurence of schemaName as current default schema in the SQLSessionContext stack to the initial default, because schemaName is no longer a valid schema.
protected void	resetStatementDepth() Resets the statementDepth.
public boolean	roleIsSettable(Activation activation a, String string containing role name role) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.roleIsSettable. Checks whether the given role can be legally set for the current user.
public void	setASTVisitor(ASTVisitor The Visitor which should walk the tree. Could be null. visitor) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setASTVisitor. Set a Visitor which walks the AST at various stages.
public void	setAutoincrementUpdate(boolean the value for autoincrementUpdate (TRUE or FALSE) flag) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setAutoincrementUpdate. Sets autoincrementUpdate-- this variable allows updates to autoincrement columns if it is set to true.
public void	setConstraintDeferred(final Activation activation a, ConstraintDescriptor the constraint descriptor cd, final boolean the constraint mode deferred) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setConstraintDeferred. Set the constraint mode to deferred for the specified constraint.
public void	setCurrentRole(Activation activation of set role statement a, String the id of the role to be set to current role) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setCurrentRole. Set the current role
public final void	setDataDictionaryWriteMode() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setDataDictionaryWriteMode. Remember that the DataDictionary is in write mode, so we can take it out of write mode at the end of the transaction.
public void	setDefaultSchema(SchemaDescriptor the new default schema. If null, then the default schema descriptor is used. sd) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setDefaultSchema. Set the default schema (at compile-time, see explanations for getDefaultSchema overloads).
public void	setDefaultSchema(Activation current activation a, SchemaDescriptor the new default schema. If null, then the default schema descriptor is used. sd) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setDefaultSchema. Set the default schema (at execution time, see explanations for getDefaultSchema overloads); This version is used by SET SCHEMA.
public void	setDeferredAll(final Activation The activation a, final boolean The value which holds the constraint mode deferred) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setDeferredAll. Set the constraint mode of all deferrable constraints to the value of `deferred`.
public void	setDrdaID(String DRDA ID. drdaID) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setDrdaID. Set the DRDA ID of this LCC.
public void	setIdentityValue(long the generated identity column value val) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setIdentityValue. Set the field of most recently generated identity column value.
public void	setInterruptedException(StandardException the created exception e) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setInterruptedException. Set the exception created and associated with the detected interruped status flag.
public void	setIsolationLevel(int The new isolationLevel. isolationLevel) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setIsolationLevel. Set current isolation level.
public void	setLastQueryTree(Object queryTree) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setLastQueryTree. Debug method for remembering the last query tree.
public void	setLogStatementText(boolean Whether or not logStatementText property is set. logStatementText) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setLogStatementText. Set value of logStatementText (Whether or not to write info on currently executing statement to error log.)
public void	setOptimizerTracer(OptTrace Null if tracing is being turned off, otherwise an optimizer tracer tracer) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setOptimizerTracer. Install an optimizer tracer (to enable tracing) or uninstall the current optimizer tracer (to disable tracing).
public void	setPrepareIsolationLevel(int level) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setPrepareIsolationLevel.
public void	setReadOnly(boolean true sets the connection to be readOnly and false sets it to readWrite. on) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setReadOnly. Set the readOnly status for the current connection.
public void	setReferencedColumnMap(TableDescriptor the table descriptor td, FormatableBitSet the map map) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setReferencedColumnMap. Set the referenced column map for a table
public final void	setRunTimeStatisticsMode(boolean onOrOff) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setRunTimeStatisticsMode. Turn RUNTIMESTATISTICS on or off.
public void	setRunTimeStatisticsObject(RunTimeStatistics runTimeStatisticsObject) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setRunTimeStatisticsObject. Set the RUNTIMESTATISTICS object.
public void	setStatisticsTiming(boolean onOrOff) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setStatisticsTiming. Turn STATISTICS TIMING on or off.
private void	setupSessionContextMinion(Activation a, boolean push, boolean definersRights, String definer)
public void	setupSubStatementSessionContext(Activation a) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setupSubStatementSessionContext. Used when a statement as part of its operation executes an other statement.
public void	setXplainOnlyMode(boolean true if statements are to be XPLAINed only. onOrOff) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setXplainOnlyMode. sets the XplainOnlyMode.
public void	setXplainSchema(String the schema to use for storing XPLAIN'd statements null means don't store the xplain information non-null means persistent style, use the indicated schema s) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setXplainSchema. sets the XplainSchema
public void	setXplainStatement(Object key, Object stmt) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.setXplainStatement.
private void	tempTablesAndCommit(boolean if true, then transaction is an XA transaction, and special nested transaction may be necessary to cleanup internal containers supporting the temp tables at commit time. in_xa_transaction) Do the necessary work at commit time for temporary tables 1)If a temporary table was marked as dropped in this transaction, then remove it from the list of temp tables for this connection 2)If a temporary table was not dropped in this transaction, then mark it's declared savepoint level and modified savepoint level as -1 3)After savepoint fix up, then handle all ON COMMIT DELETE ROWS with no open held cursor temp tables.
private void	tempTablesAndRollback() do the necessary work at rollback time for temporary tables 1)If a temp table was declared in the UOW, then drop it and remove it from list of temporary tables.
private void	tempTablesReleaseSavepointLevels() After a release of a savepoint, we need to go through our temp tables list.
private void	tempTablesXApostCommit()
public void	userCommit() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.userCommit. Do a commmit as is appropriate for a user requested commit (e.g. a java.sql.Connection.commit() or a language 'COMMIT' statement.
public void	userRollback() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.userRollback. Do a rollback as is appropriate for a user requested rollback (e.g. a java.sql.Connection.rollback() or a language 'ROLLBACk' statement.
public boolean	usesSqlAuthorization() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.usesSqlAuthorization. Check if in SQL standard mode, with support for Grant and Revoke
private void	validateDeferredConstraint(ConstraintDescriptor the descriptor of the constraint to validate cd) Validate a deferred constraint.
private void	validateDeferredConstraints(final boolean rollbackOnError) Validate all deferred constraints.
public void	validateStmtExecution(ConstantAction the constantAction that is about to be executed (and should be validated constantAction) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.validateStmtExecution. Validate a statement.
public boolean	Returns: boolean Found no open (held) resultsets. verifyAllHeldResultSetsAreClosed() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.verifyAllHeldResultSetsAreClosed. Verify that there are no activations with open held result sets.
public boolean	Returns: Nothing. verifyNoOpenResultSets(PreparedStatement The prepared Statement pStmt, Provider The object precipitating a possible invalidation provider, int The action causing the possible invalidation action) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.verifyNoOpenResultSets. Verify that there are no activations with open result sets on the specified prepared statement.
public final void	xaCommit(boolean if true, allow it to commit without first going thru a prepared state. onePhase) Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.xaCommit. Same as userCommit except commit a distributed transaction.
public void	xaRollback() Implements org.apache.derby.iapi.sql.conn.LanguageConnectionContext.xaRollback. Same as userRollback() except rolls back a distrubuted transaction.

Inherited from org.apache.derby.iapi.services.context.ContextImpl:: getContextManager getIdName popMe pushMe

public Class GenericLanguageConnectionContext

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