Implement SQLite incremental BLOB/TEXT I/O

6 files changed, 428 insertions, 0 deletions

diff --git a/sqlite/makefile b/sqlite/makefile
index 99cc6d2..0515772 100644
--- a/sqlite/makefile
+++ b/sqlite/makefile
@@ -9,6 +9,7 @@ template      \
 custom        \
 database      \
 native        \
+stream        \
 transaction   \
 truncation    \
 types
diff --git a/sqlite/stream/driver.cxx b/sqlite/stream/driver.cxx
new file mode 100644
index 0000000..5f708ba
--- /dev/null
+++ b/sqlite/stream/driver.cxx
@@ -0,0 +1,280 @@
+// file      : sqlite/stream/driver.cxx
+// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test SQLite BLOB/TEXT incremental I/O.
+//
+
+#include <vector>
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/sqlite/database.hxx>
+#include <odb/sqlite/transaction.hxx>
+
+#include <odb/sqlite/text-stream.hxx>
+#include <odb/sqlite/blob-stream.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+namespace sqlite = odb::sqlite;
+using namespace sqlite;
+
+template <typename S>
+void
+print (const S&)
+{
+  /*
+  cerr << s.db () << '.'
+       << s.table () << '.'
+       << s.column () << '#'
+       << s.rowid () << endl;
+  */
+}
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_specific_database<database> (argc, argv));
+
+    string txt (1024 * 1024, 't');
+    vector<char> blb (1024 * 1024, 'b');
+
+    object o;
+
+    {
+      transaction tx (db->begin ());
+
+      o.t.size (txt.size ());
+      o.b.size (blb.size ());
+      o.bv.push_back (blob (blb.size ()));
+      o.bv.push_back (blob (blb.size ()));
+
+      db->persist (o);
+
+      print (o.t);
+      print (o.b);
+      print (o.bv[0]);
+      print (o.bv[1]);
+
+      blob_stream bs (o.b, true);
+      bs.write (blb.data (), blb.size ());
+
+      text_stream ts (o.t, true);
+      ts.write (txt.data (), txt.size ());
+
+      for (vector<blob>::iterator i (o.bv.begin ()); i != o.bv.end (); ++i)
+      {
+        blob_stream bs (*i, true);
+        bs.write (blb.data (), blb.size ());
+      }
+
+      tx.commit ();
+    }
+
+    {
+      transaction tx (db->begin ());
+      auto_ptr<object> p (db->load<object> (o.id));
+
+      print (p->t);
+      print (p->b);
+      print (p->bv[0]);
+      print (p->bv[1]);
+
+      text_stream ts (p->t, false);
+      string t (ts.size (), '*');
+      ts.read (const_cast<char*> (t.c_str ()), t.size ());
+      assert (t == txt);
+
+      blob_stream bs (p->b, false);
+      vector<char> b (bs.size (), '\0');
+      bs.read (b.data (), b.size ());
+      assert (b == blb);
+
+      for (vector<blob>::iterator i (p->bv.begin ()); i != p->bv.end (); ++i)
+      {
+        blob_stream bs (*i, false);
+        vector<char> b (bs.size (), '\0');
+        bs.read (b.data (), b.size ());
+        assert (b == blb);
+      }
+
+      assert (p->nb.null ());
+
+      tx.commit ();
+    }
+
+    txt.resize (txt.size () + 1, 't');
+    txt[0] = 'A';
+    txt[txt.size () - 1] = 'Z';
+
+    blb.resize (blb.size () - 1);
+    blb.front () = 'A';
+    blb.back () = 'Z';
+
+    {
+      transaction tx (db->begin ());
+
+      o.t.clear ();
+      o.t.size (txt.size ());
+
+      o.b.clear ();
+      o.b.size (blb.size ());
+
+      o.bv[0].clear ();
+      o.bv[0].size (blb.size ());
+
+      o.bv[1].clear ();
+      o.bv[1].size (blb.size ());
+
+      o.nb = blob (blb.size ());
+
+      db->update (o);
+
+      print (o.t);
+      print (o.b);
+      print (o.bv[0]);
+      print (o.bv[1]);
+      print (*o.nb);
+
+      {
+        text_stream ts (o.t, true);
+        ts.write (txt.data (), txt.size ());
+      }
+
+      {
+        blob_stream bs (o.b, true);
+        bs.write (blb.data (), blb.size ());
+      }
+
+      for (vector<blob>::iterator i (o.bv.begin ()); i != o.bv.end (); ++i)
+      {
+        blob_stream bs (*i, true);
+        bs.write (blb.data (), blb.size ());
+      }
+
+      {
+        blob_stream bs (*o.nb, true);
+        bs.write (blb.data (), blb.size ());
+      }
+
+      tx.commit ();
+    }
+
+    {
+      transaction tx (db->begin ());
+      auto_ptr<object> p (db->load<object> (o.id));
+
+      print (p->t);
+      print (p->b);
+      print (p->bv[0]);
+      print (p->bv[1]);
+      print (*p->nb);
+
+      text_stream ts (p->t, false);
+      string t (ts.size (), '*');
+      ts.read (const_cast<char*> (t.c_str ()), t.size ());
+      assert (t == txt);
+
+      blob_stream bs (p->b, false);
+      vector<char> b (bs.size (), '\0');
+      bs.read (b.data (), b.size ());
+      assert (b == blb);
+
+      for (vector<blob>::iterator i (p->bv.begin ()); i != p->bv.end (); ++i)
+      {
+        blob_stream bs (*i, false);
+        vector<char> b (bs.size (), '\0');
+        bs.read (b.data (), b.size ());
+        assert (b == blb);
+      }
+
+      {
+        blob_stream bs (*p->nb, false);
+        vector<char> b (bs.size (), '\0');
+        bs.read (b.data (), b.size ());
+        assert (b == blb);
+      }
+
+      tx.commit ();
+    }
+
+    // Test query.
+    //
+
+    txt.resize (32);
+    blb.resize (64);
+
+    {
+      transaction tx (db->begin ());
+
+      o.t.size (txt.size ());
+      o.b.size (blb.size ());
+      o.bv.clear ();
+      o.nb.reset ();
+
+      db->update (o);
+
+      text_stream ts (o.t, true);
+      ts.write (txt.data (), txt.size ());
+
+      blob_stream bs (o.b, true);
+      bs.write (blb.data (), blb.size ());
+
+      tx.commit ();
+    }
+
+    {
+      typedef sqlite::query<object> query;
+      transaction tx (db->begin ());
+
+      {
+        object o1 (db->query_value<object> (query::t == txt));
+
+        blob_stream bs (o1.b, false);
+        vector<char> b (bs.size (), '\0');
+        bs.read (b.data (), b.size ());
+        assert (b == blb);
+      }
+
+      {
+        object o1 (db->query_value<object> (query::b == blb));
+
+        text_stream ts (o1.t, false);
+        string t (ts.size (), '*');
+        ts.read (const_cast<char*> (t.c_str ()), t.size ());
+        assert (t == txt);
+      }
+
+      tx.commit ();
+    }
+
+    // Test view.
+    //
+    {
+      typedef sqlite::query<view> query;
+      transaction tx (db->begin ());
+
+      view v (db->query_value<view> (query::t == txt));
+
+      blob_stream bs (v.b, false);
+      vector<char> b (bs.size (), '\0');
+      bs.read (b.data (), b.size ());
+      assert (b == blb);
+
+      tx.commit ();
+    }
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
diff --git a/sqlite/stream/makefile b/sqlite/stream/makefile
new file mode 100644
index 0000000..5f63159
--- /dev/null
+++ b/sqlite/stream/makefile
@@ -0,0 +1,108 @@
+# file      : sqlite/stream/makefile
+# copyright : Copyright (c) 2009-2015 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
+genf    := $(call odb-gen,$(odb_hdr))
+gen     := $(addprefix $(out_base)/,$(genf))
+cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o)) $(filter %.o,$(gen:.cxx=.o))
+cxx_od  := $(cxx_obj:.o=.o.d)
+
+common.l             := $(out_root)/libcommon/common/common.l
+common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options
+
+# Import.
+#
+$(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): $(common.l.cpp-options)
+
+$(gen): $(odb)
+$(gen): odb := $(odb)
+$(gen) $(dist): export odb_options += --database sqlite --default-database \
+common --generate-query --generate-schema --table-prefix sqlitex_stream_
+$(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 $(src_root)/sqlite/,,$(src_base)))
+$(dist): export extra_dist := $(data_dist) \
+$(name)-vc8.vcproj $(name)-vc9.vcproj \
+$(name)-vc10.vcxproj $(name)-vc10.vcxproj.filters \
+$(name)-vc11.vcxproj $(name)-vc11.vcxproj.filters \
+$(name)-vc12.vcxproj $(name)-vc12.vcxproj.filters
+$(dist):
+	$(call dist-data,$(sources) $(headers) $(data_dist))
+	$(call meta-automake,../template/Makefile.am)
+	$(call meta-vc8proj,../template/template-vc8.vcproj,$(name)-vc8.vcproj)
+	$(call meta-vc9proj,../template/template-vc9.vcproj,$(name)-vc9.vcproj)
+	$(call meta-vc10proj,../template/template-vc10.vcxproj,$(name)-vc10.vcxproj)
+	$(call meta-vc11proj,../template/template-vc11.vcxproj,$(name)-vc11.vcxproj)
+	$(call meta-vc12proj,../template/template-vc12.vcxproj,$(name)-vc12.vcxproj)
+
+# Test.
+#
+$(eval $(call test-schemaless-rule))
+
+# Clean.
+#
+$(clean):                            \
+  $(driver).o.clean                  \
+  $(addsuffix .cxx.clean,$(cxx_obj)) \
+  $(addsuffix .cxx.clean,$(cxx_od))  \
+  $(addsuffix .hxx.clean,$(filter %.cxx,$(gen)))
+	$(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,$(bld_root)/meta/vc8proj.make)
+$(call include,$(bld_root)/meta/vc9proj.make)
+$(call include,$(bld_root)/meta/vc10proj.make)
+$(call include,$(bld_root)/meta/vc11proj.make)
+$(call include,$(bld_root)/meta/vc12proj.make)
+$(call include,$(bld_root)/meta/automake.make)
+
+$(call include,$(bld_root)/cxx/standard.make) # cxx_standard
+ifdef cxx_standard
+$(gen): odb_options += --std $(cxx_standard)
+$(call include,$(odb_rules))
+endif
+
+$(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/sqlite/stream/test.hxx b/sqlite/stream/test.hxx
new file mode 100644
index 0000000..32c29e3
--- /dev/null
+++ b/sqlite/stream/test.hxx
@@ -0,0 +1,38 @@
+// file      : sqlite/stream/test.hxx
+// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <vector>
+
+#include <odb/core.hxx>
+#include <odb/nullable.hxx>
+
+#include <odb/sqlite/text.hxx>
+#include <odb/sqlite/blob.hxx>
+
+#pragma db object
+struct object
+{
+  #pragma db id auto
+  unsigned long id;
+
+  odb::sqlite::text t;
+
+  #pragma db column("_123foo_bar")
+  odb::sqlite::blob b;
+
+  std::vector<odb::sqlite::blob> bv;
+
+  odb::nullable<odb::sqlite::blob> nb;
+};
+
+#pragma db view object(object)
+struct view
+{
+  odb::sqlite::blob b;
+};
+
+#endif // TEST_HXX
diff --git a/sqlite/stream/test.std b/sqlite/stream/test.std
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/sqlite/stream/test.std
diff --git a/sqlite/template/makefile b/sqlite/template/makefile
index 83832b2..4e39a1c 100644
--- a/sqlite/template/makefile
+++ b/sqlite/template/makefile
@@ -30,6 +30,7 @@ $(gen): $(odb)
 $(gen): odb := $(odb)
 $(gen) $(dist): export odb_options += --database sqlite --default-database \
 common --generate-schema --table-prefix sqlitex_template_ #@@ CHANGE THIS
+# Note:                                      'x' here is not a typo.
 $(gen): cpp_options := -I$(src_base)
 $(gen): $(common.l.cpp-options)