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-rw-r--r--pgsql/makefile4
-rw-r--r--pgsql/truncation/driver.cxx163
-rw-r--r--pgsql/truncation/makefile106
-rw-r--r--pgsql/truncation/test.hxx49
-rw-r--r--pgsql/truncation/test.std0
-rw-r--r--pgsql/types/driver.cxx90
-rw-r--r--pgsql/types/makefile112
-rw-r--r--pgsql/types/test.hxx158
-rw-r--r--pgsql/types/test.std0
-rw-r--r--pgsql/types/traits.hxx208
10 files changed, 889 insertions, 1 deletions
diff --git a/pgsql/makefile b/pgsql/makefile
index 34ac15f..1fee285 100644
--- a/pgsql/makefile
+++ b/pgsql/makefile
@@ -7,7 +7,9 @@ include $(dir $(lastword $(MAKEFILE_LIST)))../build/bootstrap.make
tests := \
template \
-native
+native \
+truncation \
+types
default := $(out_base)/
dist := $(out_base)/.dist
diff --git a/pgsql/truncation/driver.cxx b/pgsql/truncation/driver.cxx
new file mode 100644
index 0000000..bbfa99e
--- /dev/null
+++ b/pgsql/truncation/driver.cxx
@@ -0,0 +1,163 @@
+// file : pgsql/truncation/driver.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test insufficient buffer/truncation handling.
+//
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/pgsql/database.hxx>
+#include <odb/pgsql/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+ // The default pre-allocated buffer is 512 bytes long.
+ //
+ string long_str (640, 'c'); // This will get the buffer to 1024
+ string longer_str (1025, 'b');
+
+ try
+ {
+ // Test basic operations.
+ //
+ {
+ auto_ptr<database> db (create_database (argc, argv));
+
+ // Run persist/load so that the initial bindings are established
+ // (version == 0).
+ //
+ {
+ object1 o (1);
+ o.str_ = "test string";
+
+ transaction t (db->begin ());
+ db->persist (o);
+ db->load (1, o);
+ t.commit ();
+ }
+
+ {
+ object2 o (2);
+ o.str_ = "test string";
+
+ transaction t (db->begin ());
+ db->persist (o);
+ db->load (2, o);
+ t.commit ();
+ }
+
+ // Store/load the long string which should trigger buffer growth.
+ //
+ {
+ object1 o (3);
+ o.str_ = long_str;
+
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ auto_ptr<object2> o (db->load<object2> (3));
+ assert (o->str_ == long_str);
+ t.commit ();
+ }
+
+ // Store/load longer string.
+ //
+ {
+ object1 o (3);
+ o.str_ = longer_str;
+
+ transaction t (db->begin ());
+ db->update (o);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ auto_ptr<object2> o (db->load<object2> (3));
+ assert (o->str_ == longer_str);
+ t.commit ();
+ }
+ }
+
+ // Test query.
+ //
+ {
+ typedef odb::query<object1> query;
+ typedef odb::result<object1> result;
+
+ auto_ptr<database> db (create_database (argc, argv));
+
+ // Run persist/query so that the initial bindings are established
+ // (version == 0).
+ //
+ {
+ object1 o (20);
+ o.str_ = "test string";
+
+ transaction t (db->begin ());
+ db->persist (o);
+ o.id_++;
+ db->persist (o);
+ o.id_++;
+ db->persist (o);
+
+ result r (db->query<object1> (query::id == 20));
+ assert (r.begin ()->id_ == 20);
+ t.commit ();
+ }
+
+ // Test buffer growth with cached result.
+ //
+ {
+ object1 o;
+
+ transaction t (db->begin ());
+
+ result r (db->query<object1> (query::id >= 20));
+ result::iterator i (r.begin ());
+
+ o.id_ = i->id_;
+ o.str_ = long_str;
+
+ // This forces buffer growth in the middle of result iteration.
+ //
+ db->update (o);
+
+ ++i;
+ assert (i->str_ == "test string");
+
+ o.id_ = i->id_;
+ o.str_ = longer_str;
+ db->update (o);
+
+ ++i;
+ assert (i->str_ == "test string");
+
+ t.commit ();
+ }
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}
diff --git a/pgsql/truncation/makefile b/pgsql/truncation/makefile
new file mode 100644
index 0000000..a94639d
--- /dev/null
+++ b/pgsql/truncation/makefile
@@ -0,0 +1,106 @@
+# file : pgsql/truncation/makefile
+# author : Constantin Michael <constantin@codesynthesis.com>
+# copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+# license : GNU GPL v2; see accompanying LICENSE file
+
+include $(dir $(lastword $(MAKEFILE_LIST)))../../build/bootstrap.make
+
+cxx_tun := driver.cxx
+odb_hdr := test.hxx
+cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o) $(odb_hdr:.hxx=-odb.o))
+cxx_od := $(cxx_obj:.o=.o.d)
+
+common.l := $(out_root)/libcommon/common/common.l
+common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options
+
+driver := $(out_base)/driver
+dist := $(out_base)/.dist
+test := $(out_base)/.test
+clean := $(out_base)/.clean
+
+# Import.
+#
+$(call import,\
+ $(scf_root)/import/odb/stub.make,\
+ odb: odb,odb-rules: odb_rules)
+
+# Build.
+#
+$(driver): $(cxx_obj) $(common.l)
+$(cxx_obj) $(cxx_od): cpp_options := -I$(out_base) -I$(src_base)
+$(cxx_obj) $(cxx_od): $(common.l.cpp-options)
+
+genf := $(addprefix $(odb_hdr:.hxx=-odb),.hxx .ixx .cxx) $(odb_hdr:.hxx=.sql)
+gen := $(addprefix $(out_base)/,$(genf))
+
+$(gen): $(odb)
+$(gen): odb := $(odb)
+$(gen) $(dist): export odb_options += --database pgsql --generate-query \
+--generate-schema
+$(gen): cpp_options := -I$(src_base)
+$(gen): $(common.l.cpp-options)
+
+$(call include-dep,$(cxx_od),$(cxx_obj),$(gen))
+
+# Alias for default target.
+#
+$(out_base)/: $(driver)
+
+# Dist
+#
+$(dist): sources := $(cxx_tun)
+$(dist): headers := $(odb_hdr)
+$(dist): data_dist := test.std
+$(dist): export name := $(subst /,-,$(subst $(src_root)/pgsql/,,$(src_base)))
+$(dist): export extra_dist := $(data_dist) $(name)-vc9.vcproj \
+$(name)-vc10.vcxproj $(name)-vc10.vcxproj.filters
+$(dist):
+ $(call dist-data,$(sources) $(headers) $(data_dist))
+ $(call meta-automake,../template/Makefile.am)
+ $(call meta-vc9proj,../template/template-vc9.vcproj,$(name)-vc9.vcproj)
+ $(call meta-vc10proj,../template/template-vc10.vcxproj,$(name)-vc10.vcxproj)
+
+# Test.
+#
+$(test): $(driver) $(src_base)/test.std
+ $(call schema)
+ $(call message,test $<,$< --options-file $(dcf_root)/db.options \
+>$(out_base)/test.out)
+ $(call message,,diff -u $(src_base)/test.std $(out_base)/test.out)
+ $(call message,,rm -f $(out_base)/test.out)
+
+# Clean.
+#
+$(clean): \
+ $(driver).o.clean \
+ $(addsuffix .cxx.clean,$(cxx_obj)) \
+ $(addsuffix .cxx.clean,$(cxx_od)) \
+ $(addprefix $(out_base)/,$(odb_hdr:.hxx=-odb.cxx.hxx.clean))
+ $(call message,,rm -f $(out_base)/test.out)
+
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+# How to.
+#
+$(call include,$(bld_root)/dist.make)
+$(call include,$(bld_root)/meta/vc9proj.make)
+$(call include,$(bld_root)/meta/vc10proj.make)
+$(call include,$(bld_root)/meta/automake.make)
+
+$(call include,$(odb_rules))
+$(call include,$(bld_root)/cxx/cxx-d.make)
+$(call include,$(bld_root)/cxx/cxx-o.make)
+$(call include,$(bld_root)/cxx/o-e.make)
+
+# Dependencies.
+#
+$(call import,$(src_root)/libcommon/makefile)
diff --git a/pgsql/truncation/test.hxx b/pgsql/truncation/test.hxx
new file mode 100644
index 0000000..0cd2852
--- /dev/null
+++ b/pgsql/truncation/test.hxx
@@ -0,0 +1,49 @@
+// file : mysql/truncation/test.hxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <string>
+#include <odb/core.hxx>
+
+#pragma db object table ("test")
+struct object1
+{
+ object1 (unsigned long id)
+ : id_ (id)
+ {
+ }
+
+ object1 ()
+ {
+ }
+
+ #pragma db id
+ unsigned long id_;
+
+ std::string str_;
+};
+
+#pragma db object table ("test")
+struct object2
+{
+ object2 (unsigned long id)
+ : id_ (id)
+ {
+ }
+
+ object2 ()
+ {
+ }
+
+ #pragma db id
+ unsigned long id_;
+
+ std::string str_;
+};
+
+#endif // TEST_HXX
diff --git a/pgsql/truncation/test.std b/pgsql/truncation/test.std
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/pgsql/truncation/test.std
diff --git a/pgsql/types/driver.cxx b/pgsql/types/driver.cxx
new file mode 100644
index 0000000..5c5145a
--- /dev/null
+++ b/pgsql/types/driver.cxx
@@ -0,0 +1,90 @@
+// file : pgsql/types/driver.cxx
+// author : Constantin Michael <constantin@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test PostgreSQL type conversion.
+//
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/pgsql/database.hxx>
+#include <odb/pgsql/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+ try
+ {
+ auto_ptr<database> db (create_database (argc, argv));
+
+ object o (1);
+
+ o.bool_ = true;
+ o.short_ = 12345;
+ o.int_ = -123456;
+ o.long_long_ = 123456;
+
+ o.float_ = 1.123F;
+ o.float8_ = 1.123;
+ o.double_ = 1.123;
+ // o.numeric_ = "123.456";
+
+ o.date_ = 4015;
+ o.time_ = 48180000000;
+ o.timestamp_ = 346896000;
+
+ string short_str (128, 's');
+ string medium_str (250, 'm');
+ string long_str (2040, 'l');
+ buffer long_buf (long_str.c_str (), long_str.size ());
+
+ unsigned char varbit_buf[8] = {1, 2, 1, 2, 1, 1, 1, 1};
+
+ o.char_ = short_str;
+ o.varchar_ = medium_str;
+ o.text_ = long_str;
+ o.bytea_ = long_buf;
+ o.varbit_ = buffer (varbit_buf, 8);
+
+ o.bit_.a = 0;
+ o.bit_.b = 1;
+ o.bit_.c = 0;
+ o.bit_.d = 1;
+
+ o.enum_ = green;
+
+ // Persist.
+ //
+ {
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+
+ // Load.
+ //
+ {
+ transaction t (db->begin ());
+ auto_ptr<object> o1 (db->load<object> (1));
+ t.commit ();
+
+ assert (o == *o1);
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}
diff --git a/pgsql/types/makefile b/pgsql/types/makefile
new file mode 100644
index 0000000..88fdb4a
--- /dev/null
+++ b/pgsql/types/makefile
@@ -0,0 +1,112 @@
+# file : pgsql/types/makefile
+# author : Constantin Michael <constantin@codesynthesis.com>
+# copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+# license : GNU GPL v2; see accompanying LICENSE file
+
+include $(dir $(lastword $(MAKEFILE_LIST)))../../build/bootstrap.make
+
+cxx_tun := driver.cxx
+odb_hdr := test.hxx
+cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o) $(odb_hdr:.hxx=-odb.o))
+cxx_od := $(cxx_obj:.o=.o.d)
+
+common.l := $(out_root)/libcommon/common/common.l
+common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options
+
+driver := $(out_base)/driver
+dist := $(out_base)/.dist
+test := $(out_base)/.test
+clean := $(out_base)/.clean
+
+# Import.
+#
+$(call import,\
+ $(scf_root)/import/odb/stub.make,\
+ odb: odb,odb-rules: odb_rules)
+
+$(call import,\
+ $(scf_root)/import/libodb-pgsql/stub.make,\
+ l: odb_pgsql.l,cpp-options: odb_pgsql.l.cpp-options)
+
+# Build.
+#
+$(driver): $(cxx_obj) $(odb_pgsql.l) $(common.l)
+$(cxx_obj) $(cxx_od): cpp_options := -I$(out_base) -I$(src_base)
+$(cxx_obj) $(cxx_od): $(odb_pgsql.l.cpp-options) $(common.l.cpp-options)
+
+genf := $(addprefix $(odb_hdr:.hxx=-odb),.hxx .ixx .cxx) $(odb_hdr:.hxx=.sql)
+gen := $(addprefix $(out_base)/,$(genf))
+
+$(gen): $(odb)
+$(gen): odb := $(odb)
+$(gen) $(dist): export odb_options += --database pgsql --generate-schema \
+--generate-query --cxx-prologue '\#include "traits.hxx"'
+
+$(gen): cpp_options := -I$(src_base)
+$(gen): $(common.l.cpp-options)
+
+$(call include-dep,$(cxx_od),$(cxx_obj),$(gen))
+
+# Alias for default target.
+#
+$(out_base)/: $(driver)
+
+# Dist
+#
+$(dist): sources := $(cxx_tun)
+$(dist): headers := $(odb_hdr)
+$(dist): export extra_headers := traits.hxx
+$(dist): data_dist := test.std
+$(dist): export name := $(subst /,-,$(subst $(src_root)/pgsql/,,$(src_base)))
+$(dist): export extra_dist := $(data_dist) $(name)-vc9.vcproj \
+$(name)-vc10.vcxproj $(name)-vc10.vcxproj.filters
+$(dist):
+ $(call dist-data,$(sources) $(headers) $(extra_headers) $(data_dist))
+ $(call meta-automake,../template/Makefile.am)
+ $(call meta-vc9proj,../template/template-vc9.vcproj,$(name)-vc9.vcproj)
+ $(call meta-vc10proj,../template/template-vc10.vcxproj,$(name)-vc10.vcxproj)
+
+# Test.
+#
+$(test): $(driver) $(src_base)/test.std
+ $(call schema)
+ $(call message,test $<,$< --options-file $(dcf_root)/db.options \
+>$(out_base)/test.out)
+ $(call message,,diff -u $(src_base)/test.std $(out_base)/test.out)
+ $(call message,,rm -f $(out_base)/test.out)
+
+# Clean.
+#
+$(clean): \
+ $(driver).o.clean \
+ $(addsuffix .cxx.clean,$(cxx_obj)) \
+ $(addsuffix .cxx.clean,$(cxx_od)) \
+ $(addprefix $(out_base)/,$(odb_hdr:.hxx=-odb.cxx.hxx.clean))
+ $(call message,,rm -f $(out_base)/test.out)
+
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+# How to.
+#
+$(call include,$(bld_root)/dist.make)
+$(call include,$(bld_root)/meta/vc9proj.make)
+$(call include,$(bld_root)/meta/vc10proj.make)
+$(call include,$(bld_root)/meta/automake.make)
+
+$(call include,$(odb_rules))
+$(call include,$(bld_root)/cxx/cxx-d.make)
+$(call include,$(bld_root)/cxx/cxx-o.make)
+$(call include,$(bld_root)/cxx/o-e.make)
+
+# Dependencies.
+#
+$(call import,$(src_root)/libcommon/makefile)
diff --git a/pgsql/types/test.hxx b/pgsql/types/test.hxx
new file mode 100644
index 0000000..39de674
--- /dev/null
+++ b/pgsql/types/test.hxx
@@ -0,0 +1,158 @@
+// file : pgsql/types/test.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 TEST_HXX
+#define TEST_HXX
+
+#include <set>
+#include <string>
+#include <memory> // std::auto_ptr
+#include <cstring> // std::memcmp
+
+#include <odb/core.hxx>
+
+#include <common/buffer.hxx>
+
+struct bitfield
+{
+ unsigned int a: 1;
+ unsigned int b: 1;
+ unsigned int c: 1;
+ unsigned int d: 1;
+};
+
+inline bool
+operator== (bitfield x, bitfield y)
+{
+ return
+ x.a == y.a &&
+ x.b == y.b &&
+ x.c == y.c &&
+ x.d == y.d;
+}
+
+#pragma db value(bitfield) type ("BIT(4) NOT NULL")
+
+typedef std::auto_ptr<std::string> string_ptr;
+
+enum color {red, green, blue};
+
+#pragma db object
+struct object
+{
+ object (unsigned long id)
+ : id_ (id)
+ {
+ }
+
+ object ()
+ {
+ }
+
+ #pragma db id
+ unsigned long id_;
+
+ // Integral types.
+ //
+ #pragma db type ("BOOL NOT NULL")
+ bool bool_;
+
+ #pragma db type ("SMALLINT NOT NULL")
+ short short_;
+
+ #pragma db type ("INT NOT NULL")
+ int int_;
+
+ #pragma db type ("BIGINT NOT NULL")
+ long long long_long_;
+
+ // Float types.
+ //
+ #pragma db type ("REAL NOT NULL")
+ float float_;
+
+ #pragma db type ("FLOAT(32) NOT NULL")
+ double float8_;
+
+ #pragma db type ("DOUBLE PRECISION NOT NULL")
+ double double_;
+
+ // #pragma db type ("NUMERIC(6,3) NOT NULL")
+ // std::string numeric_;
+
+ // Data-time types.
+ //
+ #pragma db type ("DATE NOT NULL")
+ int date_;
+
+ #pragma db type ("TIME NOT NULL")
+ long long time_;
+
+ #pragma db type ("TIMESTAMP NOT NULL")
+ long long timestamp_;
+
+ // String and binary types.
+ //
+ #pragma db type ("CHAR(128) NOT NULL")
+ std::string char_;
+
+ #pragma db type ("VARCHAR(256) NOT NULL")
+ std::string varchar_;
+
+ #pragma db type ("TEXT NOT NULL")
+ std::string text_;
+
+ #pragma db type ("BYTEA NOT NULL")
+ buffer bytea_;
+
+ #pragma db type ("VARBIT(1024) NOT NULL")
+ buffer varbit_;
+
+ // #pragma db type ("BIT(4) NOT NULL") - assigned by #pragma db value
+ bitfield bit_;
+
+ // Other types.
+ //
+ #pragma db type ("UUID NOT NULL")
+ unsigned char uuid_[16];
+
+ // Test ENUM representation.
+ //
+ color enum_;
+
+ // Test NULL value.
+ //
+ #pragma db type ("TEXT")
+ string_ptr null_;
+
+ bool
+ operator== (const object& y) const
+ {
+ return
+ id_ == y.id_ &&
+ bool_ == y.bool_ &&
+ short_ == y.short_ &&
+ int_ == y.int_ &&
+ long_long_ == y.long_long_ &&
+ float_ == y.float_ &&
+ float8_ == y.float8_ &&
+ double_ == y.double_ &&
+ // numeric__ == y.numeric_ &&
+ date_ == y.date_ &&
+ time_ == y.time_ &&
+ timestamp_ == y.timestamp_ &&
+ char_ == y.char_ &&
+ varchar_ == y.varchar_ &&
+ text_ == y.text_ &&
+ bytea_ == y.bytea_ &&
+ bit_ == y.bit_ &&
+ varbit_ == y.varbit_ &&
+ memcmp (uuid_, y.uuid_, 16) == 0 &&
+ enum_ == y.enum_ &&
+ ((null_.get () == 0 && y.null_.get () == 0) || *null_ == *y.null_);
+ }
+};
+
+#endif // TEST_HXX
diff --git a/pgsql/types/test.std b/pgsql/types/test.std
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/pgsql/types/test.std
diff --git a/pgsql/types/traits.hxx b/pgsql/types/traits.hxx
new file mode 100644
index 0000000..b7734b5
--- /dev/null
+++ b/pgsql/types/traits.hxx
@@ -0,0 +1,208 @@
+// file : pgsql/types/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 TRAITS_HXX
+#define TRAITS_HXX
+
+#include <cstring> // std::memcpy, std::memset
+
+#include <odb/pgsql/traits.hxx>
+#include <odb/pgsql/details/endian-traits.hxx>
+
+#include "test.hxx" // date_time, buffer, string_ptr
+
+namespace odb
+{
+ namespace pgsql
+ {
+ template <>
+ class value_traits<buffer, id_bytea>
+ {
+ public:
+ typedef buffer value_type;
+ typedef buffer query_type;
+ typedef details::buffer image_type;
+
+ static void
+ set_value (buffer& v,
+ const details::buffer& b,
+ std::size_t n,
+ bool is_null)
+ {
+ if (!is_null)
+ v.assign (b.data (), n);
+ else
+ v.assign (0, 0);
+ }
+
+ static void
+ set_image (details::buffer& b,
+ std::size_t& n,
+ bool& is_null,
+ const buffer& v)
+ {
+ is_null = false;
+ n = v.size ();
+
+ if (n > b.capacity ())
+ b.capacity (n);
+
+ if (n != 0)
+ std::memcpy (b.data (), v.data (), n);
+ }
+ };
+
+ template <>
+ class value_traits<bitfield, id_bit>
+ {
+ public:
+ typedef bitfield value_type;
+ typedef bitfield query_type;
+ typedef unsigned char* image_type;
+
+ static void
+ set_value (bitfield& v,
+ const unsigned char* i,
+ std::size_t,
+ bool is_null)
+ {
+ if (!is_null)
+ {
+ unsigned char const* d = i + 4;
+
+ v.a = *d >> 4 & 1;
+ v.b = (*d >> 5) & 1;
+ v.c = (*d >> 6) & 1;
+ v.d = (*d >> 7) & 1;
+ }
+ else
+ v.a = v.b = v.c = v.d = 0;
+ }
+
+ static void
+ set_image (unsigned char* i,
+ std::size_t,
+ std::size_t& n,
+ bool& is_null,
+ bitfield v)
+ {
+ is_null = false;
+ n = 5;
+
+ *reinterpret_cast<int*> (i) = details::endian_traits::hton (4);
+ *(i + 4) = v.a << 4 | (v.b << 5) | (v.c << 6) | (v.d << 7);
+ }
+ };
+
+ template <>
+ class value_traits<buffer, id_varbit>
+ {
+ public:
+ typedef buffer value_type;
+ typedef buffer query_type;
+ typedef details::ubuffer image_type;
+
+ static void
+ set_value (buffer& v,
+ const details::ubuffer& b,
+ std::size_t n,
+ bool is_null)
+ {
+ if (!is_null)
+ v.assign (b.data () + 4, n - 4);
+ else
+ v.assign (0, 0);
+ }
+
+ static void
+ set_image (details::ubuffer& b,
+ std::size_t& n,
+ bool& is_null,
+ const buffer& v)
+ {
+ is_null = false;
+ n = v.size () + 4;
+
+ if (n > b.capacity ())
+ b.capacity (n);
+
+ int bit_len = static_cast<int> (v.size () * 8);
+
+ *reinterpret_cast<int*> (b.data ()) =
+ details::endian_traits::hton (bit_len);
+
+ if (bit_len != 0)
+ std::memcpy (b.data () + 4, v.data (), v.size ());
+ }
+ };
+
+ template <>
+ class value_traits<unsigned char[16], id_uuid>
+ {
+ public:
+ typedef unsigned char* value_type;
+ typedef details::ubuffer query_type;
+ typedef unsigned char* image_type;
+
+ static void
+ set_value (unsigned char v[16],
+ unsigned char const* i,
+ bool is_null)
+ {
+ if (!is_null)
+ std::memcpy (v, i, 16);
+ else
+ std::memset (v, 0, 16);
+ }
+
+ static void
+ set_image (unsigned char* i, bool& is_null, unsigned char const v[16])
+ {
+ is_null = false;
+ std::memcpy (i, v, 16);
+ }
+ };
+
+ template <>
+ class value_traits<string_ptr, id_string>
+ {
+ public:
+ typedef string_ptr value_type;
+ typedef std::string query_type;
+ typedef details::buffer image_type;
+
+ static void
+ set_value (string_ptr& v,
+ const details::buffer& b,
+ std::size_t n,
+ bool is_null)
+ {
+ v.reset (is_null ? 0 : new std::string (b.data (), n));
+ }
+
+ static void
+ set_image (details::buffer& b,
+ std::size_t& n,
+ bool& is_null,
+ const string_ptr& v)
+ {
+ is_null = v.get () == 0;
+
+ if (!is_null)
+ {
+ n = v->size ();
+
+ if (n > b.capacity ())
+ b.capacity (n);
+
+ if (n != 0)
+ std::memcpy (b.data (), v->c_str (), n);
+ }
+ }
+ };
+ }
+}
+
+#endif // TRAITS_HXX