pack-priv Class NOPStatementNode

Class Inheritance

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

Imports

org.apache.derby.shared.common.error.StandardException, org.apache.derby.shared.common.reference.SQLState, org.apache.derby.iapi.services.context.ContextManager

A NOPStatement node is for statements that don't do anything. At the time of this writing, the only statements that use it are SET DB2J_DEBUG ON and SET DB2J_DEBUG OFF. Both of these are executed in the parser, so the statements don't do anything at execution

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	NOPStatementNode(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 void	bindStatement() Overrides org.apache.derby.impl.sql.compile.StatementNode.bindStatement. Bind this NOP statement.
pack-priv String	statementToString() Implements abstract org.apache.derby.impl.sql.compile.StatementNode.statementToString.

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

Constructor Detail

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

Method Detail

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

bindStatement	back to summary
public void bindStatement() throws StandardException Overrides org.apache.derby.impl.sql.compile.StatementNode.bindStatement. Bind this NOP statement. This throws an exception, because NOP statements by definition stop after parsing. Annotations @Override Exceptions StandardException: Always thrown to stop after parsing

bindStatement

back to summary

public void bindStatement() throws StandardException

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

Bind this NOP statement. This throws an exception, because NOP statements by definition stop after parsing.

Annotations

@Override

Exceptions

StandardException:: Always thrown to stop after parsing

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