pack-priv abstract Class TransactionStatementNode

Class Inheritance

extends StatementNode

java.lang.Object
org.apache.derby.impl.sql.compile.QueryTreeNode
org.apache.derby.impl.sql.compile.StatementNode
org.apache.derby.impl.sql.compile.TransactionStatementNode

Known Direct Subclasses

org.apache.derby.impl.sql.compile.SetTransactionIsolationNode

Imports

org.apache.derby.iapi.services.context.ContextManager

A TransactionStatementNode represents any type of Transaction statement: SET TRANSACTION, COMMIT, and ROLLBACK.

Field Summary

Inherited from org.apache.derby.impl.sql.compile.StatementNode:: EMPTY_TD_LIST NEED_CURSOR_ACTIVATION NEED_DDL_ACTIVATION NEED_NOTHING_ACTIVATION NEED_PARAM_ACTIVATION NEED_ROW_ACTIVATION

Constructor Summary

Access	Constructor and Description
pack-priv	TransactionStatementNode(ContextManager cm)

Method Summary

Modifier and Type	Method and Description
pack-priv int	activationKind() Implements abstract org.apache.derby.impl.sql.compile.StatementNode.activationKind.
public boolean	Returns: false isAtomic() Overrides org.apache.derby.impl.sql.compile.StatementNode.isAtomic. COMMIT and ROLLBACK are allowed to commit and rollback, duh.
public boolean	Returns: boolean Whether or not this Statement requires a set/clear savepoint needsSavepoint() Overrides org.apache.derby.impl.sql.compile.StatementNode.needsSavepoint. Returns whether or not this Statement requires a set/clear savepoint around its execution.

Inherited from org.apache.derby.impl.sql.compile.StatementNode:: bindStatement executeSchemaName executeStatementName generate getCursorInfo getSPSName lockTableForCompilation makeResultDescription optimizeStatement statementToString toString updateIndexStatisticsFor

Constructor Detail

TransactionStatementNode	back to summary
pack-priv TransactionStatementNode(ContextManager cm)

Method Detail

activationKind	back to summary
pack-priv int activationKind() Implements abstract org.apache.derby.impl.sql.compile.StatementNode.activationKind.

isAtomic	back to summary
public boolean isAtomic() Overrides org.apache.derby.impl.sql.compile.StatementNode.isAtomic. COMMIT and ROLLBACK are allowed to commit and rollback, duh. Returns:boolean false Annotations @Override

isAtomic

back to summary

public boolean isAtomic()

Overrides org.apache.derby.impl.sql.compile.StatementNode.isAtomic.

COMMIT and ROLLBACK are allowed to commit and rollback, duh.

Returns:boolean

false

Annotations

@Override

needsSavepoint	back to summary
public boolean needsSavepoint() Overrides org.apache.derby.impl.sql.compile.StatementNode.needsSavepoint. Returns whether or not this Statement requires a set/clear savepoint around its execution. The following statement "types" do not require them: Cursor - unnecessary and won't work in a read only environment Xact - savepoint will get blown away underneath us during commit/rollback Returns:boolean boolean Whether or not this Statement requires a set/clear savepoint Annotations @Override

needsSavepoint

back to summary

public boolean needsSavepoint()

Overrides org.apache.derby.impl.sql.compile.StatementNode.needsSavepoint.

Returns whether or not this Statement requires a set/clear savepoint around its execution. The following statement "types" do not require them: Cursor - unnecessary and won't work in a read only environment Xact - savepoint will get blown away underneath us during commit/rollback

Returns:boolean

boolean Whether or not this Statement requires a set/clear savepoint

Annotations

@Override