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-rw-r--r--src/database/column_escape.cpp46
-rw-r--r--src/database/database.cpp43
-rw-r--r--src/database/database.hpp30
-rw-r--r--src/database/datetime_writer.hpp32
-rw-r--r--src/database/engine.hpp18
-rw-r--r--src/database/insert_query.hpp16
-rw-r--r--src/database/postgresql_engine.cpp44
-rw-r--r--src/database/postgresql_engine.hpp13
-rw-r--r--src/database/query.cpp16
-rw-r--r--src/database/query.hpp10
-rw-r--r--src/database/select_query.hpp25
-rw-r--r--src/database/sqlite3_engine.cpp66
-rw-r--r--src/database/sqlite3_engine.hpp11
-rw-r--r--src/database/table.hpp8
14 files changed, 339 insertions, 39 deletions
diff --git a/src/database/column_escape.cpp b/src/database/column_escape.cpp
new file mode 100644
index 0000000..0f1f611
--- /dev/null
+++ b/src/database/column_escape.cpp
@@ -0,0 +1,46 @@
+#include <string>
+
+#include <database/database.hpp>
+#include <database/select_query.hpp>
+
+template <>
+std::string before_column<Database::Date>()
+{
+ if (Database::engine_type() == DatabaseEngine::EngineType::Sqlite3)
+ return "strftime(\"%Y-%m-%dT%H:%M:%SZ\", ";
+ else if (Database::engine_type() == DatabaseEngine::EngineType::Postgresql)
+ return "to_char(";
+ return {};
+}
+
+template <>
+std::string after_column<Database::Date>()
+{
+ if (Database::engine_type() == DatabaseEngine::EngineType::Sqlite3)
+ return ")";
+ else if (Database::engine_type() == DatabaseEngine::EngineType::Postgresql)
+ return R"(, 'YYYY-MM-DD"T"HH24:MM:SS"Z"'))";
+ return {};
+}
+
+#include <database/insert_query.hpp>
+
+template <>
+std::string before_value<Database::Date>()
+{
+ if (Database::engine_type() == DatabaseEngine::EngineType::Sqlite3)
+ return "julianday(";
+ if (Database::engine_type() == DatabaseEngine::EngineType::Postgresql)
+ return "to_timestamp(";
+ return {};
+}
+
+template <>
+std::string after_value<Database::Date>()
+{
+ if (Database::engine_type() == DatabaseEngine::EngineType::Sqlite3)
+ return ", \"unixepoch\")";
+ if (Database::engine_type() == DatabaseEngine::EngineType::Postgresql)
+ return ")";
+ return {};
+}
diff --git a/src/database/database.cpp b/src/database/database.cpp
index 02c5b4f..7cb0a45 100644
--- a/src/database/database.cpp
+++ b/src/database/database.cpp
@@ -46,6 +46,7 @@ void Database::open(const std::string& filename)
Database::db = std::move(new_db);
Database::muc_log_lines.create(*Database::db);
Database::muc_log_lines.upgrade(*Database::db);
+ convert_date_format(*Database::db, Database::muc_log_lines);
Database::global_options.create(*Database::db);
Database::global_options.upgrade(*Database::db);
Database::irc_server_options.create(*Database::db);
@@ -57,9 +58,9 @@ void Database::open(const std::string& filename)
Database::after_connection_commands.create(*Database::db);
Database::after_connection_commands.upgrade(*Database::db);
create_index<Database::Owner, Database::IrcChanName, Database::IrcServerName>(*Database::db, "archive_index", Database::muc_log_lines.get_name());
+ Database::db->init_session();
}
-
Database::GlobalOptions Database::get_global_options(const std::string& owner)
{
auto request = Database::global_options.select();
@@ -175,7 +176,7 @@ Database::IrcChannelOptions Database::get_irc_channel_options_with_server_and_gl
}
std::string Database::store_muc_message(const std::string& owner, const std::string& chan_name,
- const std::string& server_name, Database::time_point date,
+ const std::string& server_name, DateTime::time_point date,
const std::string& body, const std::string& nick)
{
auto line = Database::muc_log_lines.row();
@@ -186,7 +187,7 @@ std::string Database::store_muc_message(const std::string& owner, const std::str
line.col<Owner>() = owner;
line.col<IrcChanName>() = chan_name;
line.col<IrcServerName>() = server_name;
- line.col<Date>() = std::chrono::duration_cast<std::chrono::seconds>(date.time_since_epoch()).count();
+ line.col<Date>() = date;
line.col<Body>() = body;
line.col<Nick>() = nick;
@@ -210,13 +211,21 @@ std::vector<Database::MucLogLine> Database::get_muc_logs(const std::string& owne
{
const auto start_time = utils::parse_datetime(start);
if (start_time != -1)
- request << " and " << Database::Date{} << ">=" << start_time;
+ {
+ DateTime datetime(start_time);
+ DatetimeWriter writer(datetime, *Database::db);
+ request << " and " << Database::Date{} << ">=" << writer;
+ }
}
if (!end.empty())
{
const auto end_time = utils::parse_datetime(end);
if (end_time != -1)
- request << " and " << Database::Date{} << "<=" << end_time;
+ {
+ DateTime datetime(end_time);
+ DatetimeWriter writer(datetime, *Database::db);
+ request << " and " << Database::Date{} << "<=" << writer;
+ }
}
if (reference_record_id != Id::unset_value)
{
@@ -229,9 +238,9 @@ std::vector<Database::MucLogLine> Database::get_muc_logs(const std::string& owne
}
if (paging == Database::Paging::first)
- request.order_by() << Database::Date{} << " ASC, " << Id{} << " ASC ";
+ request.order_by() << Database::Date{} << " ASC";
else
- request.order_by() << Database::Date{} << " DESC, " << Id{} << " DESC ";
+ request.order_by() << Database::Date{} << " DESC";
if (limit >= 0)
request.limit() << limit;
@@ -257,13 +266,21 @@ Database::MucLogLine Database::get_muc_log(const std::string& owner, const std::
{
const auto start_time = utils::parse_datetime(start);
if (start_time != -1)
- request << " and " << Database::Date{} << ">=" << start_time;
+ {
+ DateTime datetime(start_time);
+ DatetimeWriter writer(datetime, *Database::db);
+ request << " and " << Database::Date{} << ">=" << writer;
+ }
}
if (!end.empty())
{
const auto end_time = utils::parse_datetime(end);
if (end_time != -1)
- request << " and " << Database::Date{} << "<=" << end_time;
+ {
+ DateTime datetime(end_time);
+ DatetimeWriter writer(datetime, *Database::db);
+ request << " and " << Database::Date{} << "<=" << writer;
+ }
}
auto result = request.execute(*Database::db);
@@ -347,4 +364,12 @@ Transaction::~Transaction()
log_error("Failed to end SQL transaction: ", std::get<std::string>(result));
}
}
+
+void Transaction::rollback()
+{
+ this->success = false;
+ const auto result = Database::raw_exec("ROLLBACK");
+ if (std::get<bool>(result) == false)
+ log_error("Failed to rollback SQL transaction: ", std::get<std::string>(result));
+}
#endif
diff --git a/src/database/database.hpp b/src/database/database.hpp
index d986ecc..75ff8f3 100644
--- a/src/database/database.hpp
+++ b/src/database/database.hpp
@@ -10,6 +10,7 @@
#include <database/engine.hpp>
#include <utils/optional_bool.hpp>
+#include <utils/datetime.hpp>
#include <chrono>
#include <string>
@@ -17,11 +18,9 @@
#include <memory>
#include <map>
-
class Database
{
public:
- using time_point = std::chrono::system_clock::time_point;
struct RecordNotFound: public std::exception {};
enum class Paging { first, last };
@@ -37,7 +36,8 @@ class Database
struct Server: Column<std::string> { static constexpr auto name = "server_"; };
- struct Date: Column<time_point::rep> { static constexpr auto name = "date_"; };
+ struct OldDate: Column<std::chrono::system_clock::time_point::rep> { static constexpr auto name = "date_"; };
+ struct Date: Column<DateTime> { static constexpr auto name = "date_"; };
struct Body: Column<std::string> { static constexpr auto name = "body_"; };
@@ -88,6 +88,8 @@ class Database
using MucLogLineTable = Table<Id, Uuid, Owner, IrcChanName, IrcServerName, Date, Body, Nick>;
using MucLogLine = MucLogLineTable::RowType;
+ using OldMucLogLineTable = Table<Id, Uuid, Owner, IrcChanName, IrcServerName, OldDate, Body, Nick>;
+ using OldMucLogLine = OldMucLogLineTable::RowType;
using GlobalOptionsTable = Table<Id, Owner, MaxHistoryLength, RecordHistory, GlobalPersistent>;
using GlobalOptions = GlobalOptionsTable::RowType;
@@ -141,7 +143,7 @@ class Database
*/
static MucLogLine get_muc_log(const std::string& owner, const std::string& chan_name, const std::string& server, const std::string& uuid, const std::string& start="", const std::string& end="");
static std::string store_muc_message(const std::string& owner, const std::string& chan_name, const std::string& server_name,
- time_point date, const std::string& body, const std::string& nick);
+ DateTime::time_point date, const std::string& body, const std::string& nick);
static void add_roster_item(const std::string& local, const std::string& remote);
static bool has_roster_item(const std::string& local, const std::string& remote);
@@ -168,6 +170,13 @@ class Database
static std::unique_ptr<DatabaseEngine> db;
+ static DatabaseEngine::EngineType engine_type()
+ {
+ if (Database::db)
+ return Database::db->engine_type();
+ return DatabaseEngine::EngineType::None;
+ }
+
/**
* Some caches, to avoid doing very frequent query requests for a few options.
*/
@@ -216,7 +225,20 @@ class Transaction
public:
Transaction();
~Transaction();
+ void rollback();
bool success{false};
};
+template <typename... T>
+void convert_date_format(DatabaseEngine& db, Table<T...> table)
+{
+ const auto existing_columns = db.get_all_columns_from_table(table.get_name());
+ const auto date_pair = existing_columns.find(Database::Date::name);
+ if (date_pair != existing_columns.end() && date_pair->second == "integer")
+ {
+ log_info("Converting Date_ format to the new one.");
+ db.convert_date_format(db);
+ }
+}
+
#endif /* USE_DATABASE */
diff --git a/src/database/datetime_writer.hpp b/src/database/datetime_writer.hpp
new file mode 100644
index 0000000..b104911
--- /dev/null
+++ b/src/database/datetime_writer.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <utils/datetime.hpp>
+#include <database/engine.hpp>
+
+#include <logger/logger.hpp>
+#include <database/postgresql_engine.hpp>
+#include <database/sqlite3_engine.hpp>
+
+class DatetimeWriter
+{
+public:
+ DatetimeWriter(DateTime datetime, const DatabaseEngine& engine):
+ datetime(datetime),
+ engine(engine)
+ {}
+
+ long double get_value() const
+ {
+ const long double epoch_duration = this->datetime.epoch().count();
+ const long double epoch_seconds = epoch_duration / std::chrono::system_clock::period::den;
+ return this->engine.epoch_to_floating_value(epoch_seconds);
+ }
+ std::string escape_param_number(int value) const
+ {
+ return this->engine.escape_param_number(value);
+ }
+
+private:
+ const DateTime datetime;
+ const DatabaseEngine& engine;
+};
diff --git a/src/database/engine.hpp b/src/database/engine.hpp
index 41dccf5..ecf047f 100644
--- a/src/database/engine.hpp
+++ b/src/database/engine.hpp
@@ -13,6 +13,7 @@
#include <string>
#include <vector>
#include <tuple>
+#include <map>
#include <set>
class DatabaseEngine
@@ -27,7 +28,10 @@ class DatabaseEngine
DatabaseEngine(DatabaseEngine&&) = delete;
DatabaseEngine& operator=(DatabaseEngine&&) = delete;
- virtual std::set<std::string> get_all_columns_from_table(const std::string& table_name) = 0;
+ enum class EngineType { None, Postgresql, Sqlite3, };
+ virtual EngineType engine_type() const = 0;
+
+ virtual std::map<std::string, std::string> get_all_columns_from_table(const std::string& table_name) = 0;
virtual std::tuple<bool, std::string> raw_exec(const std::string& query) = 0;
virtual std::unique_ptr<Statement> prepare(const std::string& query) = 0;
virtual void extract_last_insert_rowid(Statement& statement) = 0;
@@ -35,7 +39,17 @@ class DatabaseEngine
{
return {};
}
- virtual std::string id_column_type() = 0;
+ virtual void convert_date_format(DatabaseEngine&) = 0;
+ virtual std::string id_column_type() const = 0;
+ virtual std::string datetime_column_type() const = 0;
+ virtual long double epoch_to_floating_value(long double seconds) const = 0;
+ virtual std::string escape_param_number(int nb) const
+ {
+ return "$" + std::to_string(nb);
+ }
+ virtual void init_session()
+ {
+ }
int64_t last_inserted_rowid{-1};
};
diff --git a/src/database/insert_query.hpp b/src/database/insert_query.hpp
index 04c098c..e3a7e83 100644
--- a/src/database/insert_query.hpp
+++ b/src/database/insert_query.hpp
@@ -25,6 +25,18 @@ typename std::enable_if<N == sizeof...(T), void>::type
update_autoincrement_id(std::tuple<T...>&, Statement&)
{}
+template <typename T>
+std::string before_value()
+{
+ return {};
+}
+
+template <typename T>
+std::string after_value()
+{
+ return {};
+}
+
struct InsertQuery: public Query
{
template <typename... T>
@@ -73,7 +85,7 @@ struct InsertQuery: public Query
template <typename... T>
void insert_values(const std::tuple<T...>& columns)
{
- this->body += "VALUES (";
+ this->body += " VALUES (";
this->insert_value(columns);
this->body += ")";
}
@@ -86,7 +98,9 @@ struct InsertQuery: public Query
if (!std::is_same<ColumnType, Id>::value)
{
+ this->body += before_value<ColumnType>();
this->body += "$" + std::to_string(index++);
+ this->body += after_value<ColumnType>();
if (N != sizeof...(T) - 1)
this->body += ", ";
}
diff --git a/src/database/postgresql_engine.cpp b/src/database/postgresql_engine.cpp
index 59bc885..abeb779 100644
--- a/src/database/postgresql_engine.cpp
+++ b/src/database/postgresql_engine.cpp
@@ -2,6 +2,7 @@
#ifdef PQ_FOUND
#include <utils/scopeguard.hpp>
+#include <utils/tolower.hpp>
#include <database/query.hpp>
@@ -12,6 +13,7 @@
#include <logger/logger.hpp>
#include <cstring>
+#include <database/database.hpp>
PostgresqlEngine::PostgresqlEngine(PGconn*const conn):
conn(conn)
@@ -52,14 +54,14 @@ std::unique_ptr<DatabaseEngine> PostgresqlEngine::open(const std::string& connin
return std::make_unique<PostgresqlEngine>(con);
}
-std::set<std::string> PostgresqlEngine::get_all_columns_from_table(const std::string& table_name)
+std::map<std::string, std::string> PostgresqlEngine::get_all_columns_from_table(const std::string& table_name)
{
- const auto query = "SELECT column_name from information_schema.columns where table_name='" + table_name + "'";
+ const auto query = "SELECT column_name, data_type from information_schema.columns where table_name='" + table_name + "'";
auto statement = this->prepare(query);
- std::set<std::string> columns;
+ std::map<std::string, std::string> columns;
while (statement->step() == StepResult::Row)
- columns.insert(statement->get_column_text(0));
+ columns[utils::tolower(statement->get_column_text(0))] = utils::tolower(statement->get_column_text(1));
return columns;
}
@@ -96,9 +98,41 @@ std::string PostgresqlEngine::get_returning_id_sql_string(const std::string& col
return " RETURNING " + col_name;
}
-std::string PostgresqlEngine::id_column_type()
+std::string PostgresqlEngine::id_column_type() const
{
return "SERIAL";
}
+std::string PostgresqlEngine::datetime_column_type() const
+{
+ return "TIMESTAMP";
+}
+
+void PostgresqlEngine::convert_date_format(DatabaseEngine& db)
+{
+ const auto table_name = Database::muc_log_lines.get_name();
+ const std::string column_name = Database::Date::name;
+ const std::string query = "ALTER TABLE " + table_name + " ALTER COLMUN " + column_name + " SET DATA TYPE timestamp USING to_timestamp(" + column_name + ")";
+
+ auto result = db.raw_exec(query);
+ if (!std::get<bool>(result))
+ log_error("Failed to execute query: ", std::get<std::string>(result));
+}
+
+std::string PostgresqlEngine::escape_param_number(int nb) const
+{
+ return "to_timestamp(" + DatabaseEngine::escape_param_number(nb) + ")";
+}
+
+void PostgresqlEngine::init_session()
+{
+ const auto res = this->raw_exec("SET SESSION TIME ZONE 'UTC'");
+ if (!std::get<bool>(res))
+ log_debug("Failed to set UTC timezone: ", std::get<std::string>(res));
+}
+long double PostgresqlEngine::epoch_to_floating_value(long double seconds) const
+{
+ return seconds;
+}
+
#endif
diff --git a/src/database/postgresql_engine.hpp b/src/database/postgresql_engine.hpp
index fe4fb53..f2dcec3 100644
--- a/src/database/postgresql_engine.hpp
+++ b/src/database/postgresql_engine.hpp
@@ -23,13 +23,22 @@ class PostgresqlEngine: public DatabaseEngine
~PostgresqlEngine();
static std::unique_ptr<DatabaseEngine> open(const std::string& string);
+ EngineType engine_type() const override
+ {
+ return EngineType::Postgresql;
+ }
- std::set<std::string> get_all_columns_from_table(const std::string& table_name) override final;
+ std::map<std::string, std::string> get_all_columns_from_table(const std::string& table_name) override final;
std::tuple<bool, std::string> raw_exec(const std::string& query) override final;
std::unique_ptr<Statement> prepare(const std::string& query) override;
void extract_last_insert_rowid(Statement& statement) override;
std::string get_returning_id_sql_string(const std::string& col_name) override;
- std::string id_column_type() override;
+ std::string id_column_type() const override;
+ std::string datetime_column_type() const override;
+ void convert_date_format(DatabaseEngine& engine) override;
+ long double epoch_to_floating_value(long double seconds) const override;
+ void init_session() override;
+ std::string escape_param_number(int nb) const override;
private:
PGconn* const conn;
};
diff --git a/src/database/query.cpp b/src/database/query.cpp
index d72066e..6d20302 100644
--- a/src/database/query.cpp
+++ b/src/database/query.cpp
@@ -21,6 +21,13 @@ void actual_bind(Statement& statement, const OptionalBool& value, int index)
statement.bind_int64(index, -1);
}
+void actual_bind(Statement& statement, const DateTime& value, int index)
+{
+ const auto epoch = value.epoch().count();
+ const auto result = std::to_string(static_cast<long double>(epoch) / std::chrono::system_clock::period::den);
+ statement.bind_text(index, result);
+}
+
void actual_add_param(Query& query, const std::string& val)
{
query.params.push_back(val);
@@ -49,3 +56,12 @@ Query& operator<<(Query& query, const std::string& str)
actual_add_param(query, str);
return query;
}
+
+Query& operator<<(Query& query, const DatetimeWriter& datetime_writer)
+{
+ query.body += datetime_writer.escape_param_number(query.current_param++);
+ actual_add_param(query, datetime_writer.get_value());
+ return query;
+}
+
+
diff --git a/src/database/query.hpp b/src/database/query.hpp
index ba28b1a..910271a 100644
--- a/src/database/query.hpp
+++ b/src/database/query.hpp
@@ -3,6 +3,7 @@
#include <biboumi.h>
#include <utils/optional_bool.hpp>
+#include <utils/datetime.hpp>
#include <database/statement.hpp>
#include <database/column.hpp>
@@ -10,6 +11,7 @@
#include <vector>
#include <string>
+#include <database/datetime_writer.hpp>
void actual_bind(Statement& statement, const std::string& value, int index);
void actual_bind(Statement& statement, const std::int64_t& value, int index);
@@ -19,6 +21,7 @@ void actual_bind(Statement& statement, const T& value, int index)
actual_bind(statement, static_cast<std::int64_t>(value), index);
}
void actual_bind(Statement& statement, const OptionalBool& value, int index);
+void actual_bind(Statement& statement, const DateTime& value, int index);
#ifdef DEBUG_SQL_QUERIES
#include <utils/scopetimer.hpp>
@@ -74,15 +77,13 @@ void actual_add_param(Query& query, const std::string& val);
void actual_add_param(Query& query, const OptionalBool& val);
template <typename T>
-typename std::enable_if<!std::is_integral<T>::value, Query&>::type
+typename std::enable_if<!std::is_arithmetic<T>::value, Query&>::type
operator<<(Query& query, const T&)
{
query.body += T::name;
return query;
}
-Query& operator<<(Query& query, const char* str);
-Query& operator<<(Query& query, const std::string& str);
template <typename Integer>
typename std::enable_if<std::is_integral<Integer>::value, Query&>::type
operator<<(Query& query, const Integer& i)
@@ -92,3 +93,6 @@ operator<<(Query& query, const Integer& i)
return query;
}
+Query& operator<<(Query& query, const char* str);
+Query& operator<<(Query& query, const std::string& str);
+Query& operator<<(Query& query, const DatetimeWriter& datetime);
diff --git a/src/database/select_query.hpp b/src/database/select_query.hpp
index 743a011..3013dd8 100644
--- a/src/database/select_query.hpp
+++ b/src/database/select_query.hpp
@@ -3,8 +3,8 @@
#include <database/engine.hpp>
#include <database/statement.hpp>
+#include <utils/datetime.hpp>
#include <database/query.hpp>
-#include <logger/logger.hpp>
#include <database/row.hpp>
#include <utils/optional_bool.hpp>
@@ -41,6 +41,14 @@ extract_row_value(Statement& statement, const int i)
return result;
}
+template <typename T>
+typename std::enable_if<std::is_same<DateTime, T>::value, T>::type
+extract_row_value(Statement& statement, const int i)
+{
+ const std::string timestamp = statement.get_column_text(i);
+ return {timestamp};
+}
+
template <std::size_t N=0, typename... T>
typename std::enable_if<N < sizeof...(T), void>::type
extract_row_values(Row<T...>& row, Statement& statement)
@@ -58,6 +66,18 @@ typename std::enable_if<N == sizeof...(T), void>::type
extract_row_values(Row<T...>&, Statement&)
{}
+template <typename ColumnType>
+std::string before_column()
+{
+ return {};
+}
+
+template <typename ColumnType>
+std::string after_column()
+{
+ return {};
+}
+
template <typename... T>
struct SelectQuery: public Query
{
@@ -76,7 +96,8 @@ struct SelectQuery: public Query
using ColumnsType = std::tuple<T...>;
using ColumnType = typename std::remove_reference<decltype(std::get<N>(std::declval<ColumnsType>()))>::type;
- this->body += " " + std::string{ColumnType::name};
+ this->body += " ";
+ this->body += before_column<ColumnType>() + ColumnType::name + after_column<ColumnType>();
if (N < (sizeof...(T) - 1))
this->body += ", ";
diff --git a/src/database/sqlite3_engine.cpp b/src/database/sqlite3_engine.cpp
index ae4a146..1fa6316 100644
--- a/src/database/sqlite3_engine.cpp
+++ b/src/database/sqlite3_engine.cpp
@@ -2,6 +2,7 @@
#ifdef SQLITE3_FOUND
+#include <database/database.hpp>
#include <database/sqlite3_engine.hpp>
#include <database/sqlite3_statement.hpp>
@@ -22,16 +23,17 @@ Sqlite3Engine::~Sqlite3Engine()
sqlite3_close(this->db);
}
-std::set<std::string> Sqlite3Engine::get_all_columns_from_table(const std::string& table_name)
+std::map<std::string, std::string> Sqlite3Engine::get_all_columns_from_table(const std::string& table_name)
{
- std::set<std::string> result;
+ std::map<std::string, std::string> result;
char* errmsg;
std::string query{"PRAGMA table_info(" + table_name + ")"};
int res = sqlite3_exec(this->db, query.data(), [](void* param, int columns_nb, char** columns, char**) -> int {
constexpr int name_column = 1;
- std::set<std::string>* result = static_cast<std::set<std::string>*>(param);
- if (name_column < columns_nb)
- result->insert(utils::tolower(columns[name_column]));
+ constexpr int data_type_column = 2;
+ auto* result = static_cast<std::map<std::string, std::string>*>(param);
+ if (name_column < columns_nb && data_type_column < columns_nb)
+ (*result)[utils::tolower(columns[name_column])] = utils::tolower(columns[data_type_column]);
return 0;
}, &result, &errmsg);
@@ -44,6 +46,48 @@ std::set<std::string> Sqlite3Engine::get_all_columns_from_table(const std::strin
return result;
}
+template <typename... T>
+static auto make_select_query(const Row<T...>&, const std::string& name)
+{
+ return SelectQuery<T...>{name};
+}
+
+void Sqlite3Engine::convert_date_format(DatabaseEngine& db)
+{
+ Transaction transaction{};
+ auto rollback = [&transaction] (const std::string& error_msg)
+ {
+ log_error("Failed to execute query: ", error_msg);
+ transaction.rollback();
+ };
+
+ const auto real_name = Database::muc_log_lines.get_name();
+ const auto tmp_name = real_name + "tmp_";
+ const std::string date_name = Database::Date::name;
+
+ auto result = db.raw_exec("ALTER TABLE " + real_name + " RENAME TO " + tmp_name);
+ if (!std::get<bool>(result))
+ return rollback(std::get<std::string>(result));
+
+ Database::muc_log_lines.create(db);
+
+ Database::OldMucLogLineTable old_muc_log_line(tmp_name);
+ auto select_query = make_select_query(old_muc_log_line.row(), old_muc_log_line.get_name());
+
+ auto& select_body = select_query.body;
+ auto begin = select_body.find(date_name);
+ select_body.replace(begin, date_name.size(), "julianday("+date_name+", 'unixepoch')");
+ select_body = "INSERT INTO " + real_name + " " + select_body;
+
+ result = db.raw_exec(select_body);
+ if (!std::get<bool>(result))
+ return rollback(std::get<std::string>(result));
+
+ result = db.raw_exec("DROP TABLE " + tmp_name);
+ if (!std::get<bool>(result))
+ return rollback(std::get<std::string>(result));
+}
+
std::unique_ptr<DatabaseEngine> Sqlite3Engine::open(const std::string& filename)
{
sqlite3* new_db;
@@ -93,9 +137,19 @@ void Sqlite3Engine::extract_last_insert_rowid(Statement&)
this->last_inserted_rowid = sqlite3_last_insert_rowid(this->db);
}
-std::string Sqlite3Engine::id_column_type()
+std::string Sqlite3Engine::id_column_type() const
{
return "INTEGER PRIMARY KEY AUTOINCREMENT";
}
+std::string Sqlite3Engine::datetime_column_type() const
+{
+ return "REAL";
+}
+
+long double Sqlite3Engine::epoch_to_floating_value(long double d) const
+{
+ return (d / 86400.0) + 2440587.5;
+}
+
#endif
diff --git a/src/database/sqlite3_engine.hpp b/src/database/sqlite3_engine.hpp
index 5b8176c..82d01c9 100644
--- a/src/database/sqlite3_engine.hpp
+++ b/src/database/sqlite3_engine.hpp
@@ -23,12 +23,19 @@ class Sqlite3Engine: public DatabaseEngine
~Sqlite3Engine();
static std::unique_ptr<DatabaseEngine> open(const std::string& string);
+ EngineType engine_type() const override
+ {
+ return EngineType::Sqlite3;
+ }
- std::set<std::string> get_all_columns_from_table(const std::string& table_name) override final;
+ std::map<std::string, std::string> get_all_columns_from_table(const std::string& table_name) override final;
std::tuple<bool, std::string> raw_exec(const std::string& query) override final;
std::unique_ptr<Statement> prepare(const std::string& query) override;
void extract_last_insert_rowid(Statement& statement) override;
- std::string id_column_type() override;
+ std::string id_column_type() const override;
+ std::string datetime_column_type() const override;
+ void convert_date_format(DatabaseEngine&) override;
+ long double epoch_to_floating_value(long double d) const override;
private:
sqlite3* const db;
};
diff --git a/src/database/table.hpp b/src/database/table.hpp
index c8c1bdd..31b92a7 100644
--- a/src/database/table.hpp
+++ b/src/database/table.hpp
@@ -19,6 +19,8 @@ std::string ToSQLType(DatabaseEngine& db)
return db.id_column_type();
else if (std::is_same<typename T::real_type, std::string>::value)
return "TEXT";
+ else if (std::is_same<typename T::real_type, DateTime>::value)
+ return db.datetime_column_type();
else
return "INTEGER";
}
@@ -101,16 +103,16 @@ class Table
template <std::size_t N=0>
typename std::enable_if<N < sizeof...(T), void>::type
- add_column_if_not_exists(DatabaseEngine& db, const std::set<std::string>& existing_columns)
+ add_column_if_not_exists(DatabaseEngine& db, const std::map<std::string, std::string>& existing_columns)
{
using ColumnType = typename std::remove_reference<decltype(std::get<N>(std::declval<ColumnTypes>()))>::type;
- if (existing_columns.count(ColumnType::name) == 0)
+ if (existing_columns.find(ColumnType::name) == existing_columns.end())
add_column_to_table<ColumnType>(db, this->name);
add_column_if_not_exists<N+1>(db, existing_columns);
}
template <std::size_t N=0>
typename std::enable_if<N == sizeof...(T), void>::type
- add_column_if_not_exists(DatabaseEngine&, const std::set<std::string>&)
+ add_column_if_not_exists(DatabaseEngine&, const std::map<std::string, std::string>&)
{}
template <std::size_t N=0>