diff options
author | Constantin Michael <constantin@codesynthesis.com> | 2011-07-22 00:06:17 +0200 |
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committer | Constantin Michael <constantin@codesynthesis.com> | 2011-07-22 10:01:36 +0200 |
commit | d8b3a3388349d7055423f35911ef8ae17aba5ab4 (patch) | |
tree | 3e36125efb4ffa4ad3687a601e9ca26b4d0302a0 /odb/qt/basic | |
parent | 3ccd52b46db124086345f3c7b8e95e435d500903 (diff) |
Add PostgreSQL support to Qt profile
Diffstat (limited to 'odb/qt/basic')
-rw-r--r-- | odb/qt/basic/pgsql/default-mapping.hxx | 22 | ||||
-rw-r--r-- | odb/qt/basic/pgsql/qbyte-array-traits.hxx | 71 | ||||
-rw-r--r-- | odb/qt/basic/pgsql/qstring-traits.hxx | 76 |
3 files changed, 169 insertions, 0 deletions
diff --git a/odb/qt/basic/pgsql/default-mapping.hxx b/odb/qt/basic/pgsql/default-mapping.hxx new file mode 100644 index 0000000..17882e4 --- /dev/null +++ b/odb/qt/basic/pgsql/default-mapping.hxx @@ -0,0 +1,22 @@ +// file : odb/qt/basic/pgsql/default-mapping.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_BASIC_PGSQL_DEFAULT_MAPPING_HXX +#define ODB_QT_BASIC_PGSQL_DEFAULT_MAPPING_HXX + +#include <QtCore/QString> +#include <QtCore/QByteArray> + +// Map QString to PostgreSQL TEXT by default. Allow NULL values by default as +// QString provides a null representation. +// +#pragma db value(QString) type("TEXT") null + +// Map QByteArray to PostgreSQL BYTEA by default. Allow NULL values by default +// as QByteArray provides a null representation. +// +#pragma db value(QByteArray) type("BYTEA") null + +#endif // ODB_QT_BASIC_PGSQL_DEFAULT_MAPPING_HXX diff --git a/odb/qt/basic/pgsql/qbyte-array-traits.hxx b/odb/qt/basic/pgsql/qbyte-array-traits.hxx new file mode 100644 index 0000000..cf0477e --- /dev/null +++ b/odb/qt/basic/pgsql/qbyte-array-traits.hxx @@ -0,0 +1,71 @@ +// file : odb/qt/basic/pgsql/qbyte-array-traits.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX +#define ODB_QT_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <cstring> // std::memcpy +#include <cstddef> // std::size_t + +#include <QtCore/QByteArray> + +#include <odb/details/buffer.hxx> +#include <odb/pgsql/traits.hxx> + +namespace odb +{ + namespace pgsql + { + template <> + struct default_value_traits<QByteArray, id_bytea> + { + typedef QByteArray value_type; + typedef QByteArray query_type; + typedef details::buffer image_type; + + static void + set_value (QByteArray& v, + const details::buffer& b, + std::size_t n, + bool is_null) + { + if (is_null) + v = QByteArray (); + else + v.replace (0, v.size (), b.data (), static_cast<int> (n)); + } + + static void + set_image (details::buffer& b, + std::size_t& n, + bool& is_null, + const QByteArray& v) + { + if (v.isNull ()) + is_null = true; + else + { + is_null = false; + + n = static_cast<std::size_t> (v.size ()); + if (n > b.capacity ()) + b.capacity (n); + + std::memcpy (b.data (), v.data (), n); + } + } + }; + + template <> + struct default_type_traits<QByteArray> + { + static const database_type_id db_type_id = id_bytea; + }; + } +} + +#endif // ODB_QT_BASIC_PGSQL_QBYTE_ARRAY_TRAITS_HXX diff --git a/odb/qt/basic/pgsql/qstring-traits.hxx b/odb/qt/basic/pgsql/qstring-traits.hxx new file mode 100644 index 0000000..047509b --- /dev/null +++ b/odb/qt/basic/pgsql/qstring-traits.hxx @@ -0,0 +1,76 @@ +// file : odb/qt/basic/pgsql/qstring-traits.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_BASIC_PGSQL_QSTRING_TRAITS_HXX +#define ODB_QT_BASIC_PGSQL_QSTRING_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <cstring> // std::memcpy +#include <cstddef> // std::size_t + +#include <QtCore/QString> + +#include <odb/details/buffer.hxx> +#include <odb/pgsql/traits.hxx> + +namespace odb +{ + namespace pgsql + { + template <> + struct default_value_traits <QString, id_string> + { + public: + typedef QString value_type; + typedef QString query_type; + typedef details::buffer image_type; + + static void + set_value (QString& v, + const details::buffer& b, + std::size_t n, + bool is_null) + { + if (is_null) + v = QString (); + else + v = QString::fromUtf8 (b.data (), static_cast<int> (n)); + } + + static void + set_image (details::buffer& b, + std::size_t& n, + bool& is_null, + const QString& v) + { + if (v.isNull ()) + is_null = true; + else + { + is_null = false; + + const QByteArray& a (v.toUtf8 ()); + n = static_cast<std::size_t> (a.size ()); + + if (n > b.capacity ()) + b.capacity (n); + + std::memcpy (b.data (), a.data (), n); + } + } + }; + + template <> + struct default_type_traits<QString> + { + static const database_type_id db_type_id = id_string; + }; + } +} + +#include <odb/post.hxx> + +#endif // ODB_QT_BASIC_PGSQL_QSTRING_TRAITS_HXX |