52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
#ifndef MATADOR_PK_READER_HPP
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#define MATADOR_PK_READER_HPP
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#include "matador/sql/interface/query_result_reader.hpp"
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namespace matador::sql::detail {
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class pk_reader {
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public:
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explicit pk_reader(query_result_reader &reader);
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template<class Type>
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void read(Type &obj, const size_t column_index) {
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column_index_ = column_index;
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access::process(*this, obj);
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}
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template<typename ValueType>
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void on_primary_key(const char *id, ValueType &value, const utils::primary_key_attribute& attr = utils::default_pk_attributes);
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void on_revision(const char * /*id*/, uint64_t &/*rev*/) {
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++column_index_;
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}
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template<class Type>
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void on_attribute(const char * /*id*/, Type &/*x*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {
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++column_index_;
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}
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template<class Pointer>
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void on_belongs_to(const char * /*id*/, Pointer &/*x*/, const utils::foreign_attributes &/*attr*/) {
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++column_index_;
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}
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template<class Pointer>
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static void on_has_one(const char * /*id*/, Pointer &/*x*/, const utils::foreign_attributes &/*attr*/) {}
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template<class ContainerType>
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static void on_has_many(const char * /*id*/, ContainerType &, const char * /*join_column*/, const utils::foreign_attributes &/*attr*/) {}
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template<class ContainerType>
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static void on_has_many_to_many(const char * /*id*/, ContainerType &c, const char * /*join_column*/, const char * /*inverse_join_column*/, const utils::foreign_attributes &/*attr*/) {}
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template<class ContainerType>
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static void on_has_many_to_many(const char * /*id*/, ContainerType &c, const utils::foreign_attributes &/*attr*/) {}
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private:
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size_t column_index_{};
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query_result_reader &reader_;
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};
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template<typename ValueType>
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void pk_reader::on_primary_key(const char *id, ValueType &value, const utils::primary_key_attribute& attr) {
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utils::data_type_traits<ValueType>::read_value(reader_, id, column_index_++, value, attr.size());
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}
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}
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#endif // MATADOR_PK_READER_HPP
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