Package org.h2.expression

Expressions include mathematical operations, conditions, simple values, and functions.

See:
          Description

Interface Summary
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
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.
Condition Represents a condition returning a boolean value, or 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.
 

Package org.h2.expression Description

Expressions include mathematical operations, conditions, simple values, and functions.