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cleanup: move Type_collection_fbt<> template out of Type_handler_fbt<>

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This commit is contained in:
Sergei Golubchik 2023-06-26 17:47:47 +02:00
parent c09b1583f5
commit af38a8b438
1 changed files with 78 additions and 71 deletions
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149
sql/sql_type_fixedbin.h
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@ -31,7 +31,9 @@
/***********************************************************************/ /***********************************************************************/
template<class FbtImpl> template<class FbtImpl> class Type_collection_fbt;
template<class FbtImpl, class TypeCollectionImpl = Type_collection_fbt<FbtImpl> >
class Type_handler_fbt: public Type_handler class Type_handler_fbt: public Type_handler
{ {
/* =[ internal helper classes ]=============================== */ /* =[ internal helper classes ]=============================== */
@ -210,74 +212,6 @@ public:
/* =[ API classes ]=========================================== */ /* =[ API classes ]=========================================== */
class Type_collection_fbt: public Type_collection
{
const Type_handler *aggregate_common(const Type_handler *a,
const Type_handler *b) const
{
if (a == b)
return a;
return NULL;
}
const Type_handler *aggregate_if_string(const Type_handler *a,
const Type_handler *b) const
{
static const Type_aggregator::Pair agg[]=
{
{singleton(), &type_handler_null, singleton()},
{singleton(), &type_handler_varchar, singleton()},
{singleton(), &type_handler_string, singleton()},
{singleton(), &type_handler_tiny_blob, singleton()},
{singleton(), &type_handler_blob, singleton()},
{singleton(), &type_handler_medium_blob, singleton()},
{singleton(), &type_handler_long_blob, singleton()},
{singleton(), &type_handler_hex_hybrid, singleton()},
{NULL,NULL,NULL}
};
return Type_aggregator::find_handler_in_array(agg, a, b, true);
}
public:
const Type_handler *aggregate_for_result(const Type_handler *a,
const Type_handler *b)
const override
{
const Type_handler *h;
if ((h= aggregate_common(a, b)) ||
(h= aggregate_if_string(a, b)))
return h;
return NULL;
}
const Type_handler *aggregate_for_min_max(const Type_handler *a,
const Type_handler *b)
const override
{
return aggregate_for_result(a, b);
}
const Type_handler *aggregate_for_comparison(const Type_handler *a,
const Type_handler *b)
const override
{
if (const Type_handler *h= aggregate_common(a, b))
return h;
static const Type_aggregator::Pair agg[]=
{
{singleton(), &type_handler_null, singleton()},
{singleton(), &type_handler_long_blob, singleton()},
{NULL,NULL,NULL}
};
return Type_aggregator::find_handler_in_array(agg, a, b, true);
}
const Type_handler *aggregate_for_num_op(const Type_handler *a,
const Type_handler *b)
const override
{
return NULL;
}
};
class Type_std_attributes_fbt: public Type_std_attributes class Type_std_attributes_fbt: public Type_std_attributes
{ {
public: public:
@ -1120,8 +1054,7 @@ public:
const Type_collection *type_collection() const override const Type_collection *type_collection() const override
{ {
static Type_collection_fbt type_collection_fbt; return TypeCollectionImpl::singleton();
return &type_collection_fbt;
} }
const Name &default_value() const override const Name &default_value() const override
@ -1902,4 +1835,78 @@ public:
} }
}; };
template<class FbtImpl>
class Type_collection_fbt: public Type_collection
{
const Type_handler *aggregate_common(const Type_handler *a,
const Type_handler *b) const
{
if (a == b)
return a;
return NULL;
}
const Type_handler *aggregate_if_string(const Type_handler *a,
const Type_handler *b) const
{
static const Type_aggregator::Pair agg[]=
{
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_null, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_varchar, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_string, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_tiny_blob, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_blob, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_medium_blob, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_long_blob, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_hex_hybrid, Type_handler_fbt<FbtImpl>::singleton()},
{NULL,NULL,NULL}
};
return Type_aggregator::find_handler_in_array(agg, a, b, true);
}
public:
const Type_handler *aggregate_for_result(const Type_handler *a,
const Type_handler *b)
const override
{
const Type_handler *h;
if ((h= aggregate_common(a, b)) || (h= aggregate_if_string(a, b)))
return h;
return NULL;
}
const Type_handler *aggregate_for_min_max(const Type_handler *a,
const Type_handler *b)
const override
{
return aggregate_for_result(a, b);
}
const Type_handler *aggregate_for_comparison(const Type_handler *a,
const Type_handler *b)
const override
{
if (const Type_handler *h= aggregate_common(a, b))
return h;
static const Type_aggregator::Pair agg[]=
{
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_null, Type_handler_fbt<FbtImpl>::singleton()},
{Type_handler_fbt<FbtImpl>::singleton(), &type_handler_long_blob, Type_handler_fbt<FbtImpl>::singleton()},
{NULL,NULL,NULL}
};
return Type_aggregator::find_handler_in_array(agg, a, b, true);
}
const Type_handler *aggregate_for_num_op(const Type_handler *a,
const Type_handler *b)
const override
{
return NULL;
}
static Type_collection_fbt *singleton()
{
static Type_collection_fbt tc;
return &tc;
}
};
#endif /* SQL_TYPE_FIXEDBIN_H */ #endif /* SQL_TYPE_FIXEDBIN_H */