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Allow sqlite to copy only temporaries

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Signed-off-by: Anthony Fieroni <bvbfan@abv.bg>
This commit is contained in:
Anthony Fieroni 2020-02-28 16:07:41 +02:00
parent a27de3afaf
commit ab5a04fe8b
3 changed files with 59 additions and 4 deletions
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16
src/claimtrie/sqlite.h
View file

@ -14,15 +14,31 @@
return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_STATIC);
}
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, uint160&& val) {
return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_TRANSIENT);
}
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const uint256& val) {
return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_STATIC);
}
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, uint256&& val) {
return sqlite3_bind_blob(stmt, inx, val.begin(), int(val.size()), SQLITE_TRANSIENT);
}
inline void store_result_in_db(sqlite3_context* db, const uint160& val) {
sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_STATIC);
}
inline void store_result_in_db(sqlite3_context* db, uint160&& val) {
sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_TRANSIENT);
}
inline void store_result_in_db(sqlite3_context* db, const uint256& val) {
sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_STATIC);
}
inline void store_result_in_db(sqlite3_context* db, uint256&& val) {
sqlite3_result_blob(db, val.begin(), int(val.size()), SQLITE_TRANSIENT);
}
}

39
src/claimtrie/sqlite/hdr/sqlite_modern_cpp/type_wrapper.h
View file

@ -32,14 +32,18 @@
#include <string_view>
namespace sqlite
{
typedef const std::string_view str_ref;
typedef const std::u16string_view u16str_ref;
typedef const std::string_view& str_ref;
typedef std::string_view&& str_uni_ref;
typedef const std::u16string_view& u16str_ref;
typedef std::u16string_view&& u16str_uni_ref;
}
#else
namespace sqlite
{
typedef const std::string& str_ref;
typedef std::string&& str_uni_ref;
typedef const std::u16string& u16str_ref;
typedef std::u16string&& u16str_uni_ref;
}
#endif
#include "../../sqlite3.h"
@ -182,12 +186,17 @@ namespace sqlite {
template<>
struct has_sqlite_type<std::string, SQLITE_BLOB, void> : std::true_type {}; //
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, str_ref val) {
return sqlite3_bind_blob(stmt, inx, val.data(), val.length(), SQLITE_STATIC);
}
// str_uni_ref
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, str_uni_ref val) {
return sqlite3_bind_blob(stmt, inx, val.data(), val.length(), SQLITE_TRANSIENT);
}
// Convert char* to string_view to trigger op<<(..., const str_ref )
template<std::size_t N> inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const char(&STR)[N]) {
return sqlite3_bind_blob(stmt, inx, &STR[0], N-1, SQLITE_TRANSIENT);
return sqlite3_bind_blob(stmt, inx, &STR[0], N-1, SQLITE_STATIC);
}
inline std::string get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<std::string>) {
@ -220,18 +229,26 @@ namespace sqlite {
}
inline void store_result_in_db(sqlite3_context* db, str_ref val) {
sqlite3_result_blob(db, val.data(), val.length(), SQLITE_STATIC);
}
inline void store_result_in_db(sqlite3_context* db, str_uni_ref val) {
sqlite3_result_blob(db, val.data(), val.length(), SQLITE_TRANSIENT);
}
// u16str_ref
template<>
struct has_sqlite_type<std::u16string, SQLITE3_TEXT, void> : std::true_type {};
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, u16str_ref val) {
return sqlite3_bind_text16(stmt, inx, val.data(), sizeof(char16_t) * val.length(), SQLITE_STATIC);
}
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, u16str_uni_ref val) {
return sqlite3_bind_text16(stmt, inx, val.data(), sizeof(char16_t) * val.length(), SQLITE_TRANSIENT);
}
// Convert char* to string_view to trigger op<<(..., const str_ref )
template<std::size_t N> inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const char16_t(&STR)[N]) {
return sqlite3_bind_text16(stmt, inx, &STR[0], sizeof(char16_t) * (N-1), SQLITE_TRANSIENT);
return sqlite3_bind_text16(stmt, inx, &STR[0], sizeof(char16_t) * (N-1), SQLITE_STATIC);
}
inline std::u16string get_col_from_db(sqlite3_stmt* stmt, int inx, result_type<std::u16string>) {
@ -244,6 +261,10 @@ namespace sqlite {
}
inline void store_result_in_db(sqlite3_context* db, u16str_ref val) {
sqlite3_result_text16(db, val.data(), sizeof(char16_t) * val.length(), SQLITE_STATIC);
}
inline void store_result_in_db(sqlite3_context* db, u16str_uni_ref val) {
sqlite3_result_text16(db, val.data(), sizeof(char16_t) * val.length(), SQLITE_TRANSIENT);
}
@ -273,11 +294,21 @@ namespace sqlite {
struct has_sqlite_type<std::vector<T, A>, SQLITE_BLOB, void> : std::true_type {};
template<typename T, typename A> inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, const std::vector<T, A>& vec) {
void const* buf = reinterpret_cast<void const *>(vec.data());
int bytes = vec.size() * sizeof(T);
return sqlite3_bind_blob(stmt, inx, buf, bytes, SQLITE_STATIC);
}
template<typename T, typename A> inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, std::vector<T, A>&& vec) {
void const* buf = reinterpret_cast<void const *>(vec.data());
int bytes = vec.size() * sizeof(T);
return sqlite3_bind_blob(stmt, inx, buf, bytes, SQLITE_TRANSIENT);
}
template<typename T, typename A> inline void store_result_in_db(sqlite3_context* db, const std::vector<T, A>& vec) {
void const* buf = reinterpret_cast<void const *>(vec.data());
int bytes = vec.size() * sizeof(T);
sqlite3_result_blob(db, buf, bytes, SQLITE_STATIC);
}
template<typename T, typename A> inline void store_result_in_db(sqlite3_context* db, std::vector<T, A>&& vec) {
void const* buf = reinterpret_cast<void const *>(vec.data());
int bytes = vec.size() * sizeof(T);
sqlite3_result_blob(db, buf, bytes, SQLITE_TRANSIENT);

8
src/txdb.h
View file

@ -23,7 +23,15 @@ namespace sqlite {
return sqlite3_bind_blob(stmt, inx, val.data(), int(val.size()), SQLITE_STATIC);
}
inline int bind_col_in_db(sqlite3_stmt* stmt, int inx, CScript&& val) {
return sqlite3_bind_blob(stmt, inx, val.data(), int(val.size()), SQLITE_TRANSIENT);
}
inline void store_result_in_db(sqlite3_context* db, const CScript& val) {
sqlite3_result_blob(db, val.data(), int(val.size()), SQLITE_STATIC);
}
inline void store_result_in_db(sqlite3_context* db, CScript&& val) {
sqlite3_result_blob(db, val.data(), int(val.size()), SQLITE_TRANSIENT);
}
}