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Add blob fields for sqlite #169

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Add blob fields for sqlite #169

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ef5eca7
更新sqlite的blob字段
NoWhere-NowHere-TLD Aug 7, 2024
1373a97
Add blob fields for sqlite
NoWhere-NowHere-TLD Aug 7, 2024
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8 changes: 8 additions & 0 deletions ormpp/sqlite.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -572,6 +572,10 @@ class sqlite {
return SQLITE_OK ==
sqlite3_bind_text(stmt_, i, value, strlen(value), nullptr);
}
else if constexpr (std::is_same_v<std::vector<char>, U>) {
return SQLITE_OK ==
sqlite3_bind_blob(stmt_, i, value.data(),static_cast<int>(value.size()), nullptr);
}
#ifdef ORMPP_WITH_CSTRING
else if constexpr (std::is_same_v<CString, U>) {
return SQLITE_OK == sqlite3_bind_text(stmt_, i, value.GetString(),
Expand Down Expand Up @@ -624,6 +628,10 @@ class sqlite {
else if constexpr (iguana::c_array_v<U>) {
memcpy(value, sqlite3_column_text(stmt_, i), sizeof(U));
}
else if constexpr (std::is_same_v<std::vector<char>, U>) {
value.reserve(sqlite3_column_bytes(stmt_, i));
memcpy(value.data(),(const char *)sqlite3_column_blob(stmt_, i),(size_t)sqlite3_column_bytes(stmt_, i));
}
#ifdef ORMPP_WITH_CSTRING
else if constexpr (std::is_same_v<CString, U>) {
value.SetString((const char *)sqlite3_column_text(stmt_, i));
Expand Down
3 changes: 3 additions & 0 deletions ormpp/type_mapping.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,8 @@ namespace ormpp_sqlite {
REGISTER_TYPE(int, SQLITE_INTEGER)
REGISTER_TYPE(double, SQLITE_FLOAT)

using blob = std::vector<char>;

inline int type_to_id(identity<std::string>) noexcept { return SQLITE_TEXT; }
inline std::string id_to_type(
std::integral_constant<std::size_t, SQLITE_TEXT>) noexcept {
Expand Down Expand Up @@ -113,6 +115,7 @@ inline constexpr auto type_to_name(identity<double>) noexcept {
inline constexpr auto type_to_name(identity<int64_t>) noexcept {
return "INTEGER"sv;
}
inline constexpr auto type_to_name(identity<blob>) noexcept { return "BLOB"sv; }
inline auto type_to_name(identity<std::string>) noexcept { return "TEXT"sv; }
template <size_t N>
inline auto type_to_name(identity<std::array<char, N>>) noexcept {
Expand Down
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