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Added support to CaseExpression.

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This commit is contained in:
Guilherme Blanco 2011-08-08 02:08:19 -03:00
parent 60ed7769cd
commit 189c729f15
1 changed files with 18 additions and 3 deletions
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21
en/reference/dql-doctrine-query-language.rst
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@ -1469,6 +1469,7 @@ Conditional Expressions
InExpression | NullComparisonExpression | ExistsExpression |
EmptyCollectionComparisonExpression | CollectionMemberExpression
Collection Expressions
~~~~~~~~~~~~~~~~~~~~~~
@ -1505,7 +1506,7 @@ Arithmetic Expressions
ArithmeticFactor ::= [("+" | "-")] ArithmeticPrimary
ArithmeticPrimary ::= SingleValuedPathExpression | Literal | "(" SimpleArithmeticExpression ")"
| FunctionsReturningNumerics | AggregateExpression | FunctionsReturningStrings
| FunctionsReturningDatetime | IdentificationVariable | InputParameter
| FunctionsReturningDatetime | IdentificationVariable | InputParameter | CaseExpression
Scalar and Type Expressions
~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -1513,9 +1514,9 @@ Scalar and Type Expressions
.. code-block:: php
ScalarExpression ::= SimpleArithmeticExpression | StringPrimary | DateTimePrimary | StateFieldPathExpression
BooleanPrimary | EntityTypeExpression
BooleanPrimary | EntityTypeExpression | CaseExpression
StringExpression ::= StringPrimary | "(" Subselect ")"
StringPrimary ::= StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression
StringPrimary ::= StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression | CaseExpression
BooleanExpression ::= BooleanPrimary | "(" Subselect ")"
BooleanPrimary ::= StateFieldPathExpression | boolean | InputParameter
EntityExpression ::= SingleValuedAssociationPathExpression | SimpleEntityExpression
@ -1535,6 +1536,20 @@ Aggregate Expressions
AggregateExpression ::= ("AVG" | "MAX" | "MIN" | "SUM") "(" ["DISTINCT"] StateFieldPathExpression ")" |
"COUNT" "(" ["DISTINCT"] (IdentificationVariable | SingleValuedPathExpression) ")"
Case Expressions
~~~~~~~~~~~~~~~~
.. code-block:: php
CaseExpression ::= GeneralCaseExpression | SimpleCaseExpression | CoalesceExpression | NullifExpression
GeneralCaseExpression ::= "CASE" WhenClause {WhenClause}* "ELSE" ScalarExpression "END"
WhenClause ::= "WHEN" ConditionalExpression "THEN" ScalarExpression
SimpleCaseExpression ::= "CASE" CaseOperand SimpleWhenClause {SimpleWhenClause}* "ELSE" ScalarExpression "END"
CaseOperand ::= StateFieldPathExpression | TypeDiscriminator
SimpleWhenClause ::= "WHEN" ScalarExpression "THEN" ScalarExpression
CoalesceExpression ::= "COALESCE" "(" ScalarExpression {"," ScalarExpression}* ")"
NullifExpression ::= "NULLIF" "(" ScalarExpression "," ScalarExpression ")"
Other Expressions
~~~~~~~~~~~~~~~~~