Package org.h2.expression

Interface Summary

Interface	Description
FunctionCall	This interface is used by the built-in functions, as well as the user-defined functions.
ParameterInterface	The interface for client side (remote) and server side parameters.

Class Summary

Class	Description
Aggregate	Implements the integrated aggregate functions, such as COUNT, MAX, SUM.
Alias	A column alias as in SELECT 'Hello' AS NAME ...
CompareLike	Pattern matching comparison expression: WHERE NAME LIKE ?
Comparison	Example comparison expressions are ID=1, NAME=NAME, NAME IS NULL.
ConditionAndOr	An 'and' or 'or' condition as in WHERE ID=1 AND NAME=?
ConditionExists	An 'exists' condition as in WHERE EXISTS(SELECT ...)
ConditionIn	An 'in' condition with a list of values, as in WHERE NAME IN(...)
ConditionInSelect	An 'in' condition with a subquery, as in WHERE ID IN(SELECT ...)
ConditionNot	A NOT condition.
Expression	An expression is a operation, a value, or a function in a query.
ExpressionColumn	A expression that represents a column of a table or view.
ExpressionList	A list of expressions, as in (ID, NAME).
ExpressionVisitor	The visitor pattern is used to iterate through all expressions of a query to optimize a statement.
Function	This class implements most built-in functions of this database.
JavaAggregate	This class wraps a user-defined aggregate.
JavaFunction	This class wraps a user-defined function.
Operation	A mathematical expression, or string concatenation.
Parameter	A parameter of a prepared statement.
ParameterRemote	A client side (remote) parameter.
Rownum	Represents the ROWNUM function.
SequenceValue	Wraps a sequence when used in a statement.
Subquery	A query returning a single value.
TableFunction	Implementation of the functions TABLE(..) and TABLE_DISTINCT(..).
ValueExpression	An expression representing a constant value.
Variable	A user-defined variable, for example: @ID.
Wildcard	A wildcard expression as in SELECT * FROM TEST.