org.josql.expressions

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Java Source Code / Java Documentation  » Development » JoSQL » org.josql.expressions 
org.josql.expressions
Java Source File NameTypeComment
Accessor.javaClass Represents an "accessor" into an object.
AliasedExpression.javaClass Represents an expression that also has an alias.
AliasedFunction.javaClass A function that also has an alias.
AndOrExpression.javaClass Represents either an AND expression or a OR expression. Lazy evaluation is employed here such if the expression is: LHS OR RHS and LHS = true then the RHS is NOT evaluated, if the expression is: LHS AND RHS and LHS = false then the RHS is NOT evaluated (see AndOrExpression.isTrue(Object,Query) ).
ArithmeticExpression.javaClass Represents the arithmetic expressions: *, +, /, - and %.
BetweenExpression.javaClass Represents a "BETWEEN x AND y" expression.
BinaryExpression.javaClass Super-class of Expressions that return a binary result.

A binary expression must always have a LHS.

BindVariable.javaClass This class represents a "bind variable" used within a SQL statement. A bind variable can be either:
  • Named - a named bind variable is prefixed with ":", the value of the variable is set in the Query object via: Query.setVariable(StringObject) . The parser used (javacc generated) is a little picky about "reserved keywords" and as such you cannot use the following as the names of bind variables: select, from, limit, execute, on, all, results, where, having, order, by, group.
BooleanExpression.javaClass This class represents a "boolean" expression, either true or false.
ConstantExpression.javaClass This class represents a constant String or number.
EqualsExpression.javaClass This class represents an "=" or "!=" expression.
Expression.javaClass The base class for all expressions.
ExpressionList.javaClass This class represents a list of expressions used within a SQL statement.
Function.javaClass This class represents a Function that can be "called" in JoSQL.
GTLTExpression.javaClass This class represents one of the following:
  • > - Greater than
  • < - Less than
  • >= - Greater than or equal to
  • <= - Less than or equal to

You can also force a "string" comparison by prefixing with "$".

InExpression.javaClass This class represents in [ NOT ] IN [ LIKE ] [ ALL ] expression. If any of the values listed are Maps or Collections then they are iterated over to see if a match is found.
IsNullExpression.javaClass Represents an "IS NULL" (or "IS NOT NULL") expression.
LikeExpression.javaClass Represents a LHS [ NOT ] [ $ ] LIKE RHS expression.
NewObjectExpression.javaClass
SaveValue.javaClass
SelectItemExpression.javaClass
SubQueryExpression.javaClass
ValueExpression.javaClass
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