Sqlite: Improve Sqlite wrapper

It is now possible to read values at once. for (auto [name, value] : statement.tupleValues<String, int>(1000, "foo", 20)) .... Change-Id: I3d4bc5218810b4620e1df625126aa490f30bbc71 Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
2017-08-17 15:33:25 +02:00
parent 8617f497bc
commit 1a25b61576
24 changed files with 769 additions and 277 deletions
--- a/src/libs/sqlite/createtablesqlstatementbuilder.cpp
+++ b/src/libs/sqlite/createtablesqlstatementbuilder.cpp
@@ -28,12 +28,11 @@
 namespace Sqlite {

 CreateTableSqlStatementBuilder::CreateTableSqlStatementBuilder()
-    : m_sqlStatementBuilder("CREATE TABLE IF NOT EXISTS $table($columnDefinitions)$withoutRowId"),
-      m_useWithoutRowId(false)
+    : m_sqlStatementBuilder("CREATE $temporaryTABLE $ifNotExits$table($columnDefinitions)$withoutRowId")
 {
 }

-void CreateTableSqlStatementBuilder::setTable(Utils::SmallString &&tableName)
+void CreateTableSqlStatementBuilder::setTableName(Utils::SmallString &&tableName)
 {
    m_sqlStatementBuilder.clear();

@@ -42,11 +41,11 @@ void CreateTableSqlStatementBuilder::setTable(Utils::SmallString &&tableName)

 void CreateTableSqlStatementBuilder::addColumn(Utils::SmallString &&columnName,
                                               ColumnType columnType,
-                                               IsPrimaryKey isPrimaryKey)
+                                               Contraint constraint)
 {
    m_sqlStatementBuilder.clear();

-    m_columns.emplace_back(std::move(columnName), columnType, isPrimaryKey);
+    m_columns.emplace_back(std::move(columnName), columnType, constraint);
 }

 void CreateTableSqlStatementBuilder::setColumns(const SqliteColumns &columns)
@@ -61,6 +60,16 @@ void CreateTableSqlStatementBuilder::setUseWithoutRowId(bool useWithoutRowId)
    m_useWithoutRowId = useWithoutRowId;
 }

+void CreateTableSqlStatementBuilder::setUseIfNotExists(bool useIfNotExists)
+{
+    m_useIfNotExits = useIfNotExists;
+}
+
+void CreateTableSqlStatementBuilder::setUseTemporaryTable(bool useTemporaryTable)
+{
+    m_useTemporaryTable = useTemporaryTable;
+}
+
 void CreateTableSqlStatementBuilder::clear()
 {
    m_sqlStatementBuilder.clear();
@@ -95,8 +104,11 @@ void CreateTableSqlStatementBuilder::bindColumnDefinitions() const
    for (const SqliteColumn &columns : m_columns) {
        Utils::SmallString columnDefinitionString = {columns.name(), " ", columns.typeString()};

-        if (columns.isPrimaryKey())
-            columnDefinitionString.append(" PRIMARY KEY");
+        switch (columns.constraint()) {
+            case Contraint::PrimaryKey: columnDefinitionString.append(" PRIMARY KEY"); break;
+            case Contraint::Unique: columnDefinitionString.append(" UNIQUE"); break;
+            case Contraint::NoConstraint: break;
+        }

        columnDefinitionStrings.push_back(columnDefinitionString);
    }
@@ -108,12 +120,34 @@ void CreateTableSqlStatementBuilder::bindAll() const
 {
    m_sqlStatementBuilder.bind("$table", m_tableName.clone());

+    bindTemporary();
+    bindIfNotExists();
    bindColumnDefinitions();
+    bindWithoutRowId();
+}

+void CreateTableSqlStatementBuilder::bindWithoutRowId() const
+{
    if (m_useWithoutRowId)
        m_sqlStatementBuilder.bind("$withoutRowId", " WITHOUT ROWID");
    else
        m_sqlStatementBuilder.bindEmptyText("$withoutRowId");
 }

+void CreateTableSqlStatementBuilder::bindIfNotExists() const
+{
+    if (m_useIfNotExits)
+        m_sqlStatementBuilder.bind("$ifNotExits", "IF NOT EXISTS ");
+    else
+        m_sqlStatementBuilder.bindEmptyText("$ifNotExits");
+}
+
+void CreateTableSqlStatementBuilder::bindTemporary() const
+{
+    if (m_useTemporaryTable)
+        m_sqlStatementBuilder.bind("$temporary", "TEMPORARY ");
+    else
+        m_sqlStatementBuilder.bindEmptyText("$temporary");
+}
+
 } // namespace Sqlite
--- a/src/libs/sqlite/createtablesqlstatementbuilder.h
+++ b/src/libs/sqlite/createtablesqlstatementbuilder.h
@@ -35,12 +35,14 @@ class SQLITE_EXPORT CreateTableSqlStatementBuilder
 public:
    CreateTableSqlStatementBuilder();

-    void setTable(Utils::SmallString &&tableName);
+    void setTableName(Utils::SmallString &&tableName);
    void addColumn(Utils::SmallString &&columnName,
                   ColumnType columnType,
-                   IsPrimaryKey isPrimaryKey = IsPrimaryKey::No);
+                   Contraint constraint = Contraint::NoConstraint);
    void setColumns(const SqliteColumns &columns);
    void setUseWithoutRowId(bool useWithoutRowId);
+    void setUseIfNotExists(bool useIfNotExists);
+    void setUseTemporaryTable(bool useTemporaryTable);

    void clear();
    void clearColumns();
@@ -52,12 +54,17 @@ public:
 protected:
    void bindColumnDefinitions() const;
    void bindAll() const;
+    void bindWithoutRowId() const;
+    void bindIfNotExists() const;
+    void bindTemporary() const;

 private:
    mutable SqlStatementBuilder m_sqlStatementBuilder;
    Utils::SmallString m_tableName;
    SqliteColumns m_columns;
-    bool m_useWithoutRowId;
+    bool m_useWithoutRowId = false;
+    bool m_useIfNotExits = false;
+    bool m_useTemporaryTable = false;
 };

 } // namespace Sqlite
--- a/src/libs/sqlite/sqlitecolumn.h
+++ b/src/libs/sqlite/sqlitecolumn.h
@@ -38,17 +38,17 @@ public:

    SqliteColumn(Utils::SmallString &&name,
                 ColumnType type = ColumnType::Numeric,
-                 IsPrimaryKey isPrimaryKey = IsPrimaryKey::No)
+                 Contraint constraint = Contraint::NoConstraint)
        : m_name(std::move(name)),
          m_type(type),
-          m_isPrimaryKey(isPrimaryKey)
+          m_constraint(constraint)
    {}

    void clear()
    {
        m_name.clear();
        m_type = ColumnType::Numeric;
-        m_isPrimaryKey = IsPrimaryKey::No;
+        m_constraint = Contraint::NoConstraint;
    }

    void setName(Utils::SmallString &&newName)
@@ -71,14 +71,14 @@ public:
        return m_type;
    }

-    void setIsPrimaryKey(IsPrimaryKey isPrimaryKey)
+    void setContraint(Contraint constraint)
    {
-        m_isPrimaryKey = isPrimaryKey;
+        m_constraint = constraint;
    }

-    bool isPrimaryKey() const
+    Contraint constraint() const
    {
-        return m_isPrimaryKey == IsPrimaryKey::Yes;
+        return m_constraint;
    }

    Utils::SmallString typeString() const
@@ -98,13 +98,13 @@ public:
    {
        return first.m_name == second.m_name
            && first.m_type == second.m_type
-            && first.m_isPrimaryKey == second.m_isPrimaryKey;
+            && first.m_constraint == second.m_constraint;
    }

 private:
    Utils::SmallString m_name;
    ColumnType m_type = ColumnType::Numeric;
-    IsPrimaryKey m_isPrimaryKey = IsPrimaryKey::No;
+    Contraint m_constraint = Contraint::NoConstraint;
 };

 using SqliteColumns = std::vector<SqliteColumn>;
--- a/src/libs/sqlite/sqlitedatabase.cpp
+++ b/src/libs/sqlite/sqlitedatabase.cpp
@@ -26,6 +26,7 @@
 #include "sqlitedatabase.h"

 #include "sqlitetable.h"
+#include "sqlitetransaction.h"

 namespace Sqlite {

@@ -34,6 +35,12 @@ SqliteDatabase::SqliteDatabase()
 {
 }

+SqliteDatabase::SqliteDatabase(Utils::PathString &&databaseFilePath)
+    : m_databaseBackend(*this)
+{
+    open(std::move(databaseFilePath));
+}
+
 void SqliteDatabase::open()
 {
    m_databaseBackend.open(m_databaseFilePath, m_openMode);
@@ -61,7 +68,7 @@ bool SqliteDatabase::isOpen() const

 SqliteTable &SqliteDatabase::addTable()
 {
-    m_sqliteTables.emplace_back(*this);
+    m_sqliteTables.emplace_back();

    return m_sqliteTables.back();
 }
@@ -118,8 +125,12 @@ void SqliteDatabase::execute(Utils::SmallStringView sqlStatement)

 void SqliteDatabase::initializeTables()
 {
+    SqliteImmediateTransaction<SqliteDatabase> transaction(*this);
+
    for (SqliteTable &table : m_sqliteTables)
-        table.initialize();
+        table.initialize(*this);
+
+    transaction.commit();
 }

 SqliteDatabaseBackend &SqliteDatabase::backend()
--- a/src/libs/sqlite/sqlitedatabase.h
+++ b/src/libs/sqlite/sqlitedatabase.h
@@ -37,12 +37,14 @@ namespace Sqlite {

 class SQLITE_EXPORT SqliteDatabase
 {
+    template <typename Database>
    friend class SqliteAbstractTransaction;
    friend class SqliteStatement;
    friend class SqliteBackend;

 public:
    SqliteDatabase();
+    SqliteDatabase(Utils::PathString &&databaseFilePath);

    SqliteDatabase(const SqliteDatabase &) = delete;
    bool operator=(const SqliteDatabase &) = delete;
--- a/src/libs/sqlite/sqlitedatabasebackend.cpp
+++ b/src/libs/sqlite/sqlitedatabasebackend.cpp
@@ -38,14 +38,6 @@

 #include "sqlite3.h"

-#if defined(Q_OS_DARWIN) && defined(Q_CC_GNU)
-#define QTC_THREAD_LOCAL __thread
-#else
-#define QTC_THREAD_LOCAL thread_local
-#endif
-
-#define SIZE_OF_BYTEARRAY_ARRAY(array) sizeof(array)/sizeof(QByteArray)
-
 namespace Sqlite {

 SqliteDatabaseBackend::SqliteDatabaseBackend(SqliteDatabase &database)
--- a/src/libs/sqlite/sqliteglobal.h
+++ b/src/libs/sqlite/sqliteglobal.h
@@ -37,6 +37,8 @@
 #  define SQLITE_EXPORT Q_DECL_IMPORT
 #endif

+namespace Sqlite {
+
 enum class ColumnType : char
 {
    Numeric,
@@ -46,10 +48,11 @@ enum class ColumnType : char
    None
 };

-enum class IsPrimaryKey : char
+enum class Contraint : char
 {
-    No,
-    Yes
+    NoConstraint,
+    PrimaryKey,
+    Unique
 };

 enum class ColumnConstraint : char
@@ -84,3 +87,5 @@ enum TextEncoding : char
 #endif

 };
+
+} // namespace Sqlite
--- a/src/libs/sqlite/sqlitereadstatement.h
+++ b/src/libs/sqlite/sqlitereadstatement.h
@@ -37,6 +37,8 @@ public:
    using SqliteStatement::next;
    using SqliteStatement::reset;
    using SqliteStatement::value;
+    using SqliteStatement::structValues;
+    using SqliteStatement::tupleValues;
    using SqliteStatement::text;
    using SqliteStatement::values;
    using SqliteStatement::columnCount;
--- a/src/libs/sqlite/sqlitereadwritestatement.h
+++ b/src/libs/sqlite/sqlitereadwritestatement.h
@@ -48,6 +48,8 @@ public:
    using SqliteStatement::value;
    using SqliteStatement::text;
    using SqliteStatement::values;
+    using SqliteStatement::structValues;
+    using SqliteStatement::tupleValues;
    using SqliteStatement::columnCount;
    using SqliteStatement::columnNames;
    using SqliteStatement::toValue;
--- a/src/libs/sqlite/sqlitestatement.cpp
+++ b/src/libs/sqlite/sqlitestatement.cpp
@@ -29,13 +29,11 @@
 #include "sqlitedatabasebackend.h"
 #include "sqliteexception.h"

-#include <QMutex>
-#include <QtGlobal>
-#include <QVariant>
-#include <QWaitCondition>
-
 #include "sqlite3.h"

+#include <condition_variable>
+#include <mutex>
+
 #if defined(__GNUC__)
 #  pragma GCC diagnostic ignored "-Wignored-qualifiers"
 #endif
@@ -61,8 +59,8 @@ void SqliteStatement::deleteCompiledStatement(sqlite3_stmt *compiledStatement)
        sqlite3_finalize(compiledStatement);
 }

-class UnlockNotification {
-
+class UnlockNotification
+{
 public:
    static void unlockNotifyCallBack(void **arguments, int argumentCount)
    {
@@ -74,27 +72,24 @@ public:

    void wakeupWaitCondition()
    {
-        mutex.lock();
-        fired = 1;
-        waitCondition.wakeAll();
-        mutex.unlock();
+        {
+            std::lock_guard<std::mutex> lock(m_mutex);
+            m_fired = 1;
+        }
+        m_waitCondition.notify_all();
    }

    void wait()
    {
-        mutex.lock();
+        std::unique_lock<std::mutex> lock(m_mutex);

-        if (!fired) {
-            waitCondition.wait(&mutex);
-        }
-
-        mutex.unlock();
+        m_waitCondition.wait(lock, [&] () { return m_fired; });
    }

 private:
-    bool fired = false;
-    QWaitCondition waitCondition;
-    QMutex mutex;
+    bool m_fired = false;
+    std::condition_variable m_waitCondition;
+    std::mutex m_mutex;
 };

 void SqliteStatement::waitForUnlockNotify() const
@@ -143,6 +138,7 @@ void SqliteStatement::step() const
 void SqliteStatement::execute() const
 {
    next();
+    reset();
 }

 int SqliteStatement::columnCount() const
@@ -168,7 +164,7 @@ void SqliteStatement::bind(int index, int value)
         throwException("SqliteStatement::bind: cant' bind 32 bit integer!");
 }

-void SqliteStatement::bind(int index, qint64 value)
+void SqliteStatement::bind(int index, long long value)
 {
     int resultCode = sqlite3_bind_int64(m_compiledStatement.get(), index, value);
     if (resultCode != SQLITE_OK)
@@ -198,7 +194,8 @@ void SqliteStatement::bind(Utils::SmallStringView name, Type value)
 }

 template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, int value);
-template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, qint64 value);
+template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, long value);
+template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, long long value);
 template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, double value);
 template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, Utils::SmallStringView text);

@@ -363,21 +360,23 @@ SqliteDatabase &SqliteStatement::database() const
    return m_database;
 }

-static Utils::SmallString textForColumn(sqlite3_stmt *sqlStatment, int column)
+template <typename StringType>
+static StringType textForColumn(sqlite3_stmt *sqlStatment, int column)
 {
    const char *text =  reinterpret_cast<const char*>(sqlite3_column_text(sqlStatment, column));
    std::size_t size = std::size_t(sqlite3_column_bytes(sqlStatment, column));

-    return Utils::SmallString(text, size);
+    return StringType(text, size);
 }

-static Utils::SmallString convertToTextForColumn(sqlite3_stmt *sqlStatment, int column)
+template <typename StringType>
+static StringType convertToTextForColumn(sqlite3_stmt *sqlStatment, int column)
 {
    int dataType = sqlite3_column_type(sqlStatment, column);
    switch (dataType) {
        case SQLITE_INTEGER:
        case SQLITE_FLOAT:
-        case SQLITE3_TEXT: return textForColumn(sqlStatment, column);
+        case SQLITE3_TEXT: return textForColumn<StringType>(sqlStatment, column);
        case SQLITE_BLOB:
        case SQLITE_NULL: return {};
    }
@@ -394,7 +393,13 @@ int SqliteStatement::value<int>(int column) const
 }

 template<>
-qint64 SqliteStatement::value<qint64>(int column) const
+long SqliteStatement::value<long>(int column) const
+{
+    return long(value<long long>(column));
+}
+
+template<>
+long long SqliteStatement::value<long long>(int column) const
 {
    checkIfIsReadyToFetchValues();
    checkColumnIsValid(column);
@@ -409,14 +414,17 @@ double SqliteStatement::value<double>(int column) const
    return sqlite3_column_double(m_compiledStatement.get(), column);
 }

-template<>
-Utils::SmallString SqliteStatement::value<Utils::SmallString>(int column) const
+template<typename StringType>
+StringType SqliteStatement::value(int column) const
 {
    checkIfIsReadyToFetchValues();
    checkColumnIsValid(column);
-    return convertToTextForColumn(m_compiledStatement.get(), column);
+    return convertToTextForColumn<StringType>(m_compiledStatement.get(), column);
 }

+template SQLITE_EXPORT Utils::SmallString SqliteStatement::value<Utils::SmallString>(int column) const;
+template SQLITE_EXPORT Utils::PathString SqliteStatement::value<Utils::PathString>(int column) const;
+
 Utils::SmallString SqliteStatement::text(int column) const
 {
    return value<Utils::SmallString>(column);
@@ -434,45 +442,6 @@ ContainerType SqliteStatement::columnValues(const std::vector<int> &columnIndice
    return valueContainer;
 }

-template <typename ContainerType>
-ContainerType SqliteStatement::values(const std::vector<int> &columns, int size) const
-{
-    checkColumnsAreValid(columns);
-
-    ContainerType resultValues;
-    resultValues.reserve(typename ContainerType::size_type(size));
-
-    reset();
-
-    while (next()) {
-        auto values = columnValues<ContainerType>(columns);
-        std::move(values.begin(), values.end(), std::back_inserter(resultValues));
-    }
-
-    return resultValues;
-}
-
-template SQLITE_EXPORT Utils::SmallStringVector SqliteStatement::values<Utils::SmallStringVector>(const std::vector<int> &columnIndices, int size) const;
-
-template <typename ContainerType>
-ContainerType SqliteStatement::values(int column) const
-{
-    typedef typename ContainerType::value_type ElementType;
-    ContainerType resultValues;
-
-    reset();
-
-    while (next()) {
-        resultValues.push_back(value<ElementType>(column));
-    }
-
-    return resultValues;
-}
-
-template SQLITE_EXPORT std::vector<qint64> SqliteStatement::values<std::vector<qint64>>(int column) const;
-template SQLITE_EXPORT std::vector<double> SqliteStatement::values<std::vector<double>>(int column) const;
-template SQLITE_EXPORT Utils::SmallStringVector SqliteStatement::values<Utils::SmallStringVector>(int column) const;
-
 template <typename Type>
 Type SqliteStatement::toValue(Utils::SmallStringView sqlStatement, SqliteDatabase &database)
 {
@@ -484,7 +453,7 @@ Type SqliteStatement::toValue(Utils::SmallStringView sqlStatement, SqliteDatabas
 }

 template SQLITE_EXPORT int SqliteStatement::toValue<int>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
-template SQLITE_EXPORT qint64 SqliteStatement::toValue<qint64>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
+template SQLITE_EXPORT long long SqliteStatement::toValue<long long>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
 template SQLITE_EXPORT double SqliteStatement::toValue<double>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
 template SQLITE_EXPORT Utils::SmallString SqliteStatement::toValue<Utils::SmallString>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);

--- a/src/libs/sqlite/sqlitestatement.h
+++ b/src/libs/sqlite/sqlitestatement.h
@@ -31,8 +31,12 @@

 #include <utils/smallstringvector.h>

-#include <type_traits>
+#include <cstdint>
 #include <memory>
+#include <type_traits>
+#include <tuple>
+
+using std::int64_t;

 struct sqlite3_stmt;
 struct sqlite3;
@@ -61,31 +65,45 @@ protected:
    Utils::SmallStringVector columnNames() const;

    void bind(int index, int value);
-    void bind(int index, qint64 value);
+    void bind(int index, long long value);
    void bind(int index, double value);
    void bind(int index, Utils::SmallStringView value);

-    template<typename ... Values>
-    void bindValues(Values ... values)
+    void bind(int index, uint value)
+    {
+        bind(index, static_cast<long long>(value));
+    }
+
+    void bind(int index, long value)
+    {
+        bind(index, static_cast<long long>(value));
+    }
+
+    void bindValues()
+    {
+    }
+
+    template<typename... Values>
+    void bindValues(Values... values)
    {
        bindValuesByIndex(1, values...);
    }

-    template<typename ... Values>
-    void write(Values ... values)
+    template<typename... Values>
+    void write(Values... values)
    {
        bindValuesByIndex(1, values...);
        execute();
    }

-    template<typename ... Values>
-    void bindNameValues(Values ... values)
+    template<typename... Values>
+    void bindNameValues(Values... values)
    {
        bindValuesByName(values...);
    }

-    template<typename ... Values>
-    void writeNamed(Values ... values)
+    template<typename... Values>
+    void writeNamed(Values... values)
    {
        bindValuesByName(values...);
        execute();
@@ -99,11 +117,231 @@ protected:
    void setBindingColumnNames(const Utils::SmallStringVector &bindingColumnNames);
    const Utils::SmallStringVector &bindingColumnNames() const;

-    template <typename ContainerType>
-    ContainerType values(const std::vector<int> &columns, int size = 0) const;
+    template <typename... ResultType>
+    std::vector<std::tuple<ResultType...>> tupleValues(std::size_t reserveSize)
+    {
+        using Container = std::vector<std::tuple<ResultType...>>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);

-    template <typename ContainerType>
-    ContainerType values(int column = 0) const;
+        while (next())
+           emplaceTupleValues<Container, ResultType...>(resultValues);
+
+        reset();
+
+        return resultValues;
+    }
+
+    template <typename... ResultType,
+              typename... QueryType>
+    std::vector<std::tuple<ResultType...>> tupleValues(std::size_t reserveSize, const QueryType&... queryValues)
+    {
+        using Container = std::vector<std::tuple<ResultType...>>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        bindValues(queryValues...);
+
+        while (next())
+           emplaceTupleValues<Container, ResultType...>(resultValues);
+
+        reset();
+
+        return resultValues;
+    }
+
+    template <typename... ResultType,
+              typename... ElementType>
+    std::vector<std::tuple<ResultType...>> tupleValues(std::size_t reserveSize,
+                                                       const std::vector<std::tuple<ElementType...>> &queryTuples)
+    {
+        using Container = std::vector<std::tuple<ResultType...>>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const auto &queryTuple : queryTuples) {
+            bindTupleValues(queryTuple);
+
+            while (next())
+                emplaceTupleValues<Container, ResultType...>(resultValues);
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename... ResultType,
+              typename QueryElementType>
+    std::vector<std::tuple<ResultType...>> tupleValues(std::size_t reserveSize,
+                                                       const std::vector<QueryElementType> &queryValues)
+    {
+        using Container = std::vector<std::tuple<ResultType...>>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const QueryElementType &queryValue : queryValues) {
+            bindValues(queryValue);
+
+            while (next())
+                emplaceTupleValues<Container, ResultType...>(resultValues);
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ResultEntryType>
+    std::vector<ResultType> structValues(std::size_t reserveSize)
+    {
+        using Container = std::vector<ResultType>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        while (next())
+           pushBackStructValues<Container, ResultEntryType...>(resultValues);
+
+        reset();
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ResultEntryType,
+              typename... QueryType>
+    std::vector<ResultType> structValues(std::size_t reserveSize, const QueryType&... queryValues)
+    {
+        using Container = std::vector<ResultType>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        bindValues(queryValues...);
+
+        while (next())
+           pushBackStructValues<Container, ResultEntryType...>(resultValues);
+
+        reset();
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ResultEntryType,
+              typename QueryElementType>
+    std::vector<ResultType> structValues(std::size_t reserveSize,
+                                         const std::vector<QueryElementType> &queryValues)
+    {
+        using Container = std::vector<ResultType>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const QueryElementType &queryValue : queryValues) {
+            bindValues(queryValue);
+
+            while (next())
+                pushBackStructValues<Container, ResultEntryType...>(resultValues);
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ResultEntryType,
+              typename... QueryElementType>
+    std::vector<ResultType> structValues(std::size_t reserveSize,
+                                         const std::vector<std::tuple<QueryElementType...>> &queryTuples)
+    {
+        using Container = std::vector<ResultType>;
+        Container resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const auto &queryTuple : queryTuples) {
+            bindTupleValues(queryTuple);
+
+            while (next())
+                pushBackStructValues<Container, ResultEntryType...>(resultValues);
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ElementType>
+    std::vector<ResultType> values(std::size_t reserveSize)
+    {
+        std::vector<ResultType> resultValues;
+        resultValues.reserve(reserveSize);
+
+        while (next())
+            resultValues.push_back(value<ResultType>(0));
+
+        reset();
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... ElementType>
+    std::vector<ResultType> values(std::size_t reserveSize,
+                                   const std::vector<std::tuple<ElementType...>> &queryTuples)
+    {
+        std::vector<ResultType> resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const auto &queryTuple : queryTuples) {
+            bindTupleValues(queryTuple);
+
+            while (next())
+                resultValues.push_back(value<ResultType>(0));
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename ElementType>
+    std::vector<ResultType> values(std::size_t reserveSize,
+                                   const std::vector<ElementType> &queryValues)
+    {
+        std::vector<ResultType> resultValues;
+        resultValues.reserve(reserveSize);
+
+        for (const ElementType &queryValue : queryValues) {
+            bindValues(queryValue);
+
+            while (next())
+                resultValues.push_back(value<ResultType>(0));
+
+            reset();
+        }
+
+        return resultValues;
+    }
+
+    template <typename ResultType,
+              typename... QueryType>
+    std::vector<ResultType> values(std::size_t reserveSize, const QueryType&... queryValues)
+    {
+        std::vector<ResultType> resultValues;
+        resultValues.reserve(reserveSize);
+
+        bindValues(queryValues...);
+
+        while (next())
+            resultValues.push_back(value<ResultType>(0));
+
+        reset();
+
+        return resultValues;
+    }

    template <typename Type>
    static Type toValue(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
@@ -141,14 +379,45 @@ protected:
                             SqliteDatabaseBackend &databaseBackend);

 private:
+    template <typename Container,
+              typename... ResultType,
+              int... Index>
+    void emplaceTupleValues(Container &container, std::integer_sequence<int, Index...>)
+    {
+        container.emplace_back(value<ResultType>(Index)...);
+    }
+
+    template <typename Container,
+              typename... ResultType>
+    void emplaceTupleValues(Container &container)
+    {
+        emplaceTupleValues<Container, ResultType...>(container, std::make_integer_sequence<int, sizeof...(ResultType)>{});
+    }
+
+    template <typename Container,
+              typename... ResultEntryType,
+              int... Index>
+    void pushBackStructValues(Container &container, std::integer_sequence<int, Index...>)
+    {
+        using ResultType = typename Container::value_type;
+        container.push_back(ResultType{value<ResultEntryType>(Index)...});
+    }
+
+    template <typename Container,
+              typename... ResultEntryType>
+    void pushBackStructValues(Container &container)
+    {
+        pushBackStructValues<Container, ResultEntryType...>(container, std::make_integer_sequence<int, sizeof...(ResultEntryType)>{});
+    }
+
    template<typename Type>
    void bindValuesByIndex(int index, Type value)
    {
        bind(index, value);
    }

-    template<typename Type, typename ... Value>
-    void bindValuesByIndex(int index, Type value, Value ... values)
+    template<typename Type, typename... Value>
+    void bindValuesByIndex(int index, Type value, Value... values)
    {
        bind(index, value);
        bindValuesByIndex(index + 1, values...);
@@ -160,13 +429,26 @@ private:
       bind(bindingIndexForName(name), value);
    }

-    template<typename Type, typename ... Values>
-    void bindValuesByName(Utils::SmallStringView name, Type value, Values ... values)
+    template<typename Type, typename... Values>
+    void bindValuesByName(Utils::SmallStringView name, Type value, Values... values)
    {
       bind(bindingIndexForName(name), value);
       bindValuesByName(values...);
    }

+    template <typename TupleType, std::size_t... Index>
+    void bindTupleValuesElement(const TupleType &tuple, std::index_sequence<Index...>)
+    {
+        bindValues(std::get<Index>(tuple)...);
+    }
+
+    template <typename TupleType,
+              typename Indices = std::make_index_sequence<std::tuple_size<TupleType>::value>>
+    void bindTupleValues(const TupleType &element)
+    {
+        bindTupleValuesElement(element, Indices());
+    }
+
 private:
    std::unique_ptr<sqlite3_stmt, void (*)(sqlite3_stmt*)> m_compiledStatement;
    Utils::SmallStringVector m_bindingColumnNames;
@@ -176,4 +458,21 @@ private:
    mutable bool m_isReadyToFetchValues;
 };

+extern template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, int value);
+extern template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, long value);
+extern template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, long long value);
+extern template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, double value);
+extern template SQLITE_EXPORT void SqliteStatement::bind(Utils::SmallStringView name, Utils::SmallStringView text);
+
+extern template SQLITE_EXPORT int SqliteStatement::toValue<int>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
+extern template SQLITE_EXPORT long long SqliteStatement::toValue<long long>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
+extern template SQLITE_EXPORT double SqliteStatement::toValue<double>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
+extern template SQLITE_EXPORT Utils::SmallString SqliteStatement::toValue<Utils::SmallString>(Utils::SmallStringView sqlStatement, SqliteDatabase &database);
+
+template <> SQLITE_EXPORT int SqliteStatement::value<int>(int column) const;
+template <> SQLITE_EXPORT long SqliteStatement::value<long>(int column) const;
+template <> SQLITE_EXPORT long long SqliteStatement::value<long long>(int column) const;
+template <> SQLITE_EXPORT double SqliteStatement::value<double>(int column) const;
+extern template SQLITE_EXPORT Utils::SmallString SqliteStatement::value<Utils::SmallString>(int column) const;
+extern template SQLITE_EXPORT Utils::PathString SqliteStatement::value<Utils::PathString>(int column) const;
 } // namespace Sqlite
--- a/src/libs/sqlite/sqlitetable.cpp
+++ b/src/libs/sqlite/sqlitetable.cpp
@@ -25,32 +25,8 @@

 #include "sqlitetable.h"

-#include "sqlitecolumn.h"
-#include "sqlitedatabase.h"
-#include "createtablesqlstatementbuilder.h"
-#include "sqlitewritestatement.h"
-#include "sqlitetransaction.h"
-
 namespace Sqlite {

-void SqliteTable::initialize()
-{
-    try {
-        CreateTableSqlStatementBuilder createTableSqlStatementBuilder;

-        createTableSqlStatementBuilder.setTable(m_tableName.clone());
-        createTableSqlStatementBuilder.setUseWithoutRowId(m_withoutRowId);
-        createTableSqlStatementBuilder.setColumns(m_sqliteColumns);
-
-        SqliteImmediateTransaction transaction(m_sqliteDatabase);
-        m_sqliteDatabase.execute(createTableSqlStatementBuilder.sqlStatement());
-        transaction.commit();
-
-        m_isReady = true;
-
-    } catch (const SqliteException &exception) {
-        exception.printWarning();
-    }
-}

 } // namespace Sqlite
--- a/src/libs/sqlite/sqlitetable.h
+++ b/src/libs/sqlite/sqlitetable.h
@@ -25,8 +25,10 @@

 #pragma once

+#include "createtablesqlstatementbuilder.h"
 #include "sqliteglobal.h"
 #include "sqlitecolumn.h"
+#include "sqliteexception.h"

 namespace Sqlite {

@@ -35,11 +37,6 @@ class SqliteDatabase;
 class SqliteTable
 {
 public:
-    SqliteTable(SqliteDatabase &m_sqliteDatabase)
-        : m_sqliteDatabase(m_sqliteDatabase)
-    {
-    }
-
    void setName(Utils::SmallString &&name)
    {
        m_tableName = std::move(name);
@@ -60,11 +57,16 @@ public:
        return m_withoutRowId;
    }

+    void setUseIfNotExists(bool useIfNotExists)
+    {
+        m_useIfNotExists = useIfNotExists;
+    }
+
    SqliteColumn &addColumn(Utils::SmallString &&name,
                            ColumnType type = ColumnType::Numeric,
-                            IsPrimaryKey isPrimaryKey = IsPrimaryKey::No)
+                            Contraint constraint = Contraint::NoConstraint)
    {
-        m_sqliteColumns.emplace_back(std::move(name), type, isPrimaryKey);
+        m_sqliteColumns.emplace_back(std::move(name), type, constraint);

        return m_sqliteColumns.back();
    }
@@ -79,13 +81,31 @@ public:
        return m_isReady;
    }

-    void initialize();
+    template <typename Database>
+    void initialize(Database &database)
+    {
+        try {
+            CreateTableSqlStatementBuilder builder;
+
+            builder.setTableName(m_tableName.clone());
+            builder.setUseWithoutRowId(m_withoutRowId);
+            builder.setUseIfNotExists(m_useIfNotExists);
+            builder.setColumns(m_sqliteColumns);
+
+            database.execute(builder.sqlStatement());
+
+            m_isReady = true;
+
+        } catch (const SqliteException &exception) {
+            exception.printWarning();
+        }
+    }

    friend bool operator==(const SqliteTable &first, const SqliteTable &second)
    {
        return first.m_tableName == second.m_tableName
-            && &first.m_sqliteDatabase == &second.m_sqliteDatabase
            && first.m_withoutRowId == second.m_withoutRowId
+            && first.m_useIfNotExists == second.m_useIfNotExists
            && first.m_isReady == second.m_isReady
            && first.m_sqliteColumns == second.m_sqliteColumns;
    }
@@ -93,8 +113,8 @@ public:
 private:
    Utils::SmallString m_tableName;
    SqliteColumns m_sqliteColumns;
-    SqliteDatabase &m_sqliteDatabase;
    bool m_withoutRowId = false;
+    bool m_useIfNotExists = false;
    bool m_isReady = false;
 };

--- a/src/libs/sqlite/sqlitetransaction.cpp
+++ b/src/libs/sqlite/sqlitetransaction.cpp
@@ -31,44 +31,4 @@

 namespace Sqlite {

-SqliteAbstractTransaction::~SqliteAbstractTransaction()
-{
-    if (!m_isAlreadyCommited)
-        m_databaseBackend.execute("ROLLBACK");
-}
-
-void SqliteAbstractTransaction::commit()
-{
-    m_databaseBackend.execute("COMMIT");
-    m_isAlreadyCommited = true;
-}
-
-SqliteAbstractTransaction::SqliteAbstractTransaction(SqliteDatabaseBackend &backend)
-    : m_databaseBackend(backend)
-{
-}
-
-SqliteAbstractTransaction::SqliteAbstractTransaction(SqliteDatabase &database)
-    : SqliteAbstractTransaction(database.backend())
-{
-}
-
-SqliteTransaction::SqliteTransaction(SqliteDatabase &database)
-    : SqliteAbstractTransaction(database)
-{
-    m_databaseBackend.execute("BEGIN");
-}
-
-SqliteImmediateTransaction::SqliteImmediateTransaction(SqliteDatabase &database)
-    : SqliteAbstractTransaction(database)
-{
-    m_databaseBackend.execute("BEGIN IMMEDIATE");
-}
-
-SqliteExclusiveTransaction::SqliteExclusiveTransaction(SqliteDatabase &database)
-    : SqliteAbstractTransaction(database)
-{
-    m_databaseBackend.execute("BEGIN EXCLUSIVE");
-}
-
 } // namespace Sqlite
--- a/src/libs/sqlite/sqlitetransaction.h
+++ b/src/libs/sqlite/sqlitetransaction.h
@@ -32,43 +32,66 @@ namespace Sqlite {
 class SqliteDatabaseBackend;
 class SqliteDatabase;

-class SQLITE_EXPORT SqliteAbstractTransaction
+template <typename Database>
+class SqliteAbstractTransaction
 {
 public:
-    virtual ~SqliteAbstractTransaction();
+    virtual ~SqliteAbstractTransaction()
+    {
+        if (!m_isAlreadyCommited)
+            m_database.execute("ROLLBACK");
+    }

-    void commit();
+    void commit()
+    {
+        m_database.execute("COMMIT");
+        m_isAlreadyCommited = true;
+    }

 protected:
-    SqliteAbstractTransaction(SqliteDatabaseBackend &backend);
-    SqliteAbstractTransaction(SqliteDatabase &database);
-
-protected:
-    SqliteDatabaseBackend &m_databaseBackend;
+    SqliteAbstractTransaction(Database &database)
+        : m_database(database)
+    {
+    }

 private:
+    Database &m_database;
    bool m_isAlreadyCommited = false;
 };

-
-class SQLITE_EXPORT SqliteTransaction final : public SqliteAbstractTransaction
+template <typename Database>
+class SqliteTransaction final : public SqliteAbstractTransaction<Database>
 {
 public:
-    SqliteTransaction(SqliteDatabase &database);
+    SqliteTransaction(Database &database)
+        : SqliteAbstractTransaction<Database>(database)
+    {
+        database.execute("BEGIN");
+    }

 };

-class SQLITE_EXPORT SqliteImmediateTransaction final : public SqliteAbstractTransaction
+template <typename Database>
+class SqliteImmediateTransaction final : public SqliteAbstractTransaction<Database>
 {
 public:
-    SqliteImmediateTransaction(SqliteDatabase &database);
+    SqliteImmediateTransaction(Database &database)
+        : SqliteAbstractTransaction<Database>(database)
+    {
+        database.execute("BEGIN IMMEDIATE");
+    }

 };

-class SQLITE_EXPORT SqliteExclusiveTransaction final : public SqliteAbstractTransaction
+template <typename Database>
+class SqliteExclusiveTransaction final : public SqliteAbstractTransaction<Database>
 {
 public:
-    SqliteExclusiveTransaction(SqliteDatabase &database);
+    SqliteExclusiveTransaction(Database &database)
+        : SqliteAbstractTransaction<Database>(database)
+    {
+        database.execute("BEGIN EXCLUSIVE");
+    }

 };

--- a/src/libs/sqlite/sqlstatementbuilder.cpp
+++ b/src/libs/sqlite/sqlstatementbuilder.cpp
@@ -33,7 +33,7 @@

 namespace Sqlite {

-SqlStatementBuilder::SqlStatementBuilder(Utils::SmallString &&sqlTemplate)
+SqlStatementBuilder::SqlStatementBuilder(Utils::SmallStringView sqlTemplate)
    : m_sqlTemplate(std::move(sqlTemplate))
 {
 }
--- a/src/libs/sqlite/sqlstatementbuilder.h
+++ b/src/libs/sqlite/sqlstatementbuilder.h
@@ -38,7 +38,7 @@ class SQLITE_EXPORT SqlStatementBuilder
 {
    using BindingPair = std::pair<Utils::SmallString, Utils::SmallString>;
 public:
-    SqlStatementBuilder(Utils::SmallString &&m_sqlTemplate);
+    SqlStatementBuilder(Utils::SmallStringView m_sqlTemplate);

    void bindEmptyText(Utils::SmallString &&name);
    void bind(Utils::SmallString &&name, Utils::SmallString &&text);
@@ -79,8 +79,8 @@ protected:
    Q_NORETURN static void throwException(const char *whatHasHappened, const char *errorMessage);

 private:
-    Utils::SmallString m_sqlTemplate;
-    mutable Utils::SmallString m_sqlStatement;
+    Utils::BasicSmallString<510> m_sqlTemplate;
+    mutable Utils::BasicSmallString<510> m_sqlStatement;
    mutable std::vector<BindingPair> m_bindings;
 };