Top Description Fields Constructors Methods

org.hsqldb

public Class ExpressionPeriodOp

Class Inheritance

extends ExpressionLogical

Imports

org.hsqldb.HsqlNameManager.HsqlName, org.hsqldb.error.Error, .ErrorCode, org.hsqldb.lib.List, .Set, org.hsqldb.types.DateTimeType, .Type

Represents a PERIOD condition.

Author: Fred Toussi (fredt@users dot sourceforge.net)
Since: 2.5.0
Version: 2.7.3

Field Summary

Modifier and Type	Field and Description
pack-priv final boolean	isSystemVersionCondition
pack-priv PeriodDefinition	leftPeriod
pack-priv PeriodDefinition	rightPeriod
pack-priv boolean	transformed

Inherited from org.hsqldb.ExpressionLogical:: isQuantified isTerminal

Constructor Summary

Access	Constructor and Description
private	ExpressionPeriodOp(Expression[] nodes) check for period node ordering
pack-priv	ExpressionPeriodOp(int type, Expression left, Expression right) general constructor
pack-priv	ExpressionPeriodOp() FOR SYSTEM_TIME AS OF CURRENT_TIMESTAMP (as default condition)
pack-priv	ExpressionPeriodOp(Expression pointOfTime) FOR SYSTEM_TIME AS OF
pack-priv	ExpressionPeriodOp(Expression start, Expression end) FOR SYSTEM_TIME FROM TO and BETWEEN

Method Summary

Modifier and Type	Method and Description
pack-priv void	collectObjectNames(Set<HsqlNameManager.HsqlName> set) Overrides org.hsqldb.Expression.collectObjectNames. collects all schema objects
pack-priv static Expression	getEpochLimitExpression()
public Object	getValue(Session session) Overrides org.hsqldb.ExpressionLogical.getValue.
pack-priv boolean	isSystemVersionCondition()
pack-priv static ExpressionLogical	newExpression(int type, Expression[] nodes, boolean checkLeft, boolean checkRight)
public List<Expression>	resolveColumnReferences(Session session, RangeGroup rangeGroup, int rangeCount, RangeGroup[] rangeGroups, List<Expression> unresolvedSet, boolean acceptsSequences) Overrides org.hsqldb.Expression.resolveColumnReferences.
public void	resolveTypes(Session session, Expression parent) Overrides org.hsqldb.ExpressionLogical.resolveTypes.
pack-priv void	setSystemRangeVariable(Session session, RangeGroup[] rangeGroups, RangeVariable range)
private void	transform()

Field Detail

isSystemVersionCondition	back to summary
pack-priv final boolean isSystemVersionCondition

leftPeriod	back to summary
pack-priv PeriodDefinition leftPeriod

rightPeriod	back to summary
pack-priv PeriodDefinition rightPeriod

transformed	back to summary
pack-priv boolean transformed

Constructor Detail

ExpressionPeriodOp	back to summary
private ExpressionPeriodOp(Expression[] nodes) check for period node ordering

ExpressionPeriodOp	back to summary
pack-priv ExpressionPeriodOp(int type, Expression left, Expression right) general constructor

ExpressionPeriodOp	back to summary
pack-priv ExpressionPeriodOp() FOR SYSTEM_TIME AS OF CURRENT_TIMESTAMP (as default condition)

ExpressionPeriodOp	back to summary
pack-priv ExpressionPeriodOp(Expression pointOfTime) FOR SYSTEM_TIME AS OF

ExpressionPeriodOp	back to summary
pack-priv ExpressionPeriodOp(Expression start, Expression end) FOR SYSTEM_TIME FROM TO and BETWEEN

Method Detail

collectObjectNames

back to summary

pack-priv void collectObjectNames(Set<HsqlNameManager.HsqlName> set)

Overrides org.hsqldb.Expression.collectObjectNames.

Doc from org.hsqldb.Expression.collectObjectNames.

collects all schema objects

getEpochLimitExpression	back to summary
pack-priv static Expression getEpochLimitExpression()

getValue	back to summary
public Object getValue(Session session) Overrides org.hsqldb.ExpressionLogical.getValue.

isSystemVersionCondition	back to summary
pack-priv boolean isSystemVersionCondition()

newExpression	back to summary
pack-priv static ExpressionLogical newExpression(int type, Expression[] nodes, boolean checkLeft, boolean checkRight)

resolveColumnReferences	back to summary
public List<Expression> resolveColumnReferences(Session session, RangeGroup rangeGroup, int rangeCount, RangeGroup[] rangeGroups, List<Expression> unresolvedSet, boolean acceptsSequences) Overrides org.hsqldb.Expression.resolveColumnReferences.

resolveTypes	back to summary
public void resolveTypes(Session session, Expression parent) Overrides org.hsqldb.ExpressionLogical.resolveTypes.

setSystemRangeVariable	back to summary
pack-priv void setSystemRangeVariable(Session session, RangeGroup[] rangeGroups, RangeVariable range)

transform	back to summary
private void transform()