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Prevent aggregate functions to be used within where conditions

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rbock 2015-12-23 20:27:16 +01:00
parent f16643a1a0
commit 37c4f5dc6c
1 changed files with 6 additions and 0 deletions
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6
include/sqlpp11/where.h
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@ -97,6 +97,8 @@ namespace sqlpp
static_assert(is_expression_t<Expression>::value, "invalid expression argument in where::add()"); static_assert(is_expression_t<Expression>::value, "invalid expression argument in where::add()");
static_assert(not TableCheckRequired::value or Policies::template _no_unknown_tables<Expression>::value, static_assert(not TableCheckRequired::value or Policies::template _no_unknown_tables<Expression>::value,
"expression uses tables unknown to this statement in where::add()"); "expression uses tables unknown to this statement in where::add()");
static_assert(not contains_aggregate_function_t<Expression>::value,
"where expression must not contain aggregate functions");
using _serialize_check = sqlpp::serialize_check_t<typename Database::_serializer_context_t, Expression>; using _serialize_check = sqlpp::serialize_check_t<typename Database::_serializer_context_t, Expression>;
_serialize_check::_(); _serialize_check::_();
@ -270,6 +272,8 @@ namespace sqlpp
{ {
static_assert(_check<Expressions...>::value, "at least one argument is not an expression in where()"); static_assert(_check<Expressions...>::value, "at least one argument is not an expression in where()");
static_assert(sizeof...(Expressions), "at least one expression argument required in where()"); static_assert(sizeof...(Expressions), "at least one expression argument required in where()");
static_assert(logic::all_t<(not contains_aggregate_function_t<Expressions>::value)...>::value,
"where expression must not contain aggregate functions");
return _where_impl<void>(_check<Expressions...>{}, expressions...); return _where_impl<void>(_check<Expressions...>{}, expressions...);
} }
@ -281,6 +285,8 @@ namespace sqlpp
static_assert(_check<Expressions...>::value, "at least one argument is not an expression in where()"); static_assert(_check<Expressions...>::value, "at least one argument is not an expression in where()");
static_assert(not std::is_same<_database_t, void>::value, static_assert(not std::is_same<_database_t, void>::value,
"dynamic_where must not be called in a static statement"); "dynamic_where must not be called in a static statement");
static_assert(logic::all_t<(not contains_aggregate_function_t<Expressions>::value)...>::value,
"where expression must not contain aggregate functions");
return _where_impl<_database_t>(_check<Expressions...>{}, expressions...); return _where_impl<_database_t>(_check<Expressions...>{}, expressions...);
} }