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Remove CASE, COALESCSE, NULLIF EBNF rules for the time being, they are not yet supported.

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This commit is contained in:
Benjamin Eberlei 2011-03-20 12:05:28 +01:00
parent c551192b6b
commit cca642b094
1 changed files with 5 additions and 12 deletions
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17
en/reference/dql-doctrine-query-language.rst
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@ -1457,18 +1457,7 @@ Scalar and Type Expressions
.. code-block:: php .. code-block:: php
ScalarExpression ::= SimpleArithmeticExpression | StringPrimary | DateTimePrimary | StateFieldPathExpression ScalarExpression ::= SimpleArithmeticExpression | StringPrimary | DateTimePrimary | StateFieldPathExpression
BooleanPrimary | CaseExpression | EntityTypeExpression BooleanPrimary | EntityTypeExpression
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 ")"
StringExpression ::= StringPrimary | "(" Subselect ")" StringExpression ::= StringPrimary | "(" Subselect ")"
StringPrimary ::= StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression StringPrimary ::= StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression
BooleanExpression ::= BooleanPrimary | "(" Subselect ")" BooleanExpression ::= BooleanPrimary | "(" Subselect ")"
@ -1478,6 +1467,10 @@ Scalar and Type Expressions
DatetimeExpression ::= DatetimePrimary | "(" Subselect ")" DatetimeExpression ::= DatetimePrimary | "(" Subselect ")"
DatetimePrimary ::= StateFieldPathExpression | InputParameter | FunctionsReturningDatetime | AggregateExpression DatetimePrimary ::= StateFieldPathExpression | InputParameter | FunctionsReturningDatetime | AggregateExpression
.. note::
Parts of CASE expressions are not yet implemented.
Aggregate Expressions Aggregate Expressions
~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~