C++ (Cpp) database::txn_begin Examples

Example #1

File: symboldb.cpp Project: pombredanne/symboldb

static int
do_update_set(const symboldb_options &opt, database &db, char **argv)
{
  database::package_set_id set = db.lookup_package_set(opt.set_name.c_str());
  if (set == database::package_set_id()) {
    fprintf(stderr, "error: package set \"%s\" does not exist\n",
	    opt.set_name.c_str());
    return 1;
  }

  typedef std::vector<database::package_id> pset;
  pset ids;
  {
    package_set_consolidator<database::package_id> psc;
    if (!load_rpms(opt, db, argv, psc)) {
      return 1;
    }
    ids = psc.values();
  }

  db.txn_begin();
  {
    database::advisory_lock lock
      (db.lock(database::PACKAGE_SET_LOCK_TAG, set.value()));
    if (db.update_package_set(set, ids)) {
      finalize_package_set(opt, db, set);
    }
  }
  db.txn_commit();
  return 0;
}

Example #2

File: symboldb.cpp Project: pombredanne/symboldb

static int
do_create_set(const symboldb_options &opt, database &db, char **argv)
{
  if (db.lookup_package_set(opt.set_name.c_str())
      != database::package_set_id()) {
    fprintf(stderr, "error: package set \"%s\" already exists\n",
	    opt.set_name.c_str());
    return 1;
  }

  typedef std::vector<database::package_id> pset;
  pset ids;
  {
    package_set_consolidator<database::package_id> psc;
    if (!load_rpms(opt, db, argv, psc)) {
      return 1;
    }
    ids = psc.values();
  }

  db.txn_begin();
  database::package_set_id set =
    db.create_package_set(opt.set_name.c_str());
  if (db.update_package_set(set, ids)) {
    finalize_package_set(opt, db, set);
  }
  db.txn_commit();
  return 0;
}

Example #3

File: test-rpm_load.cpp Project: abn/symboldb

static void
test_java_class(database &db, pgconn_handle &conn)
{
  std::vector<unsigned char> buffer;
  read_file("test/data/JavaClass.class", buffer);
  java_class jc(&buffer);
  db.txn_begin_no_sync();
  db.add_java_class(/* fake */ database::contents_id(1), jc);
  db.txn_commit();
  pgresult_handle res;
  res.execBinary
    (conn, "SELECT class_id, name, super_class, access_flags"
     " FROM symboldb.java_class"
     " JOIN symboldb.java_class_contents USING (class_id)"
     " WHERE contents_id = 1");
  CHECK(res.ntuples() == 1);
  int classid, access_flags;
  std::string name, super_class;
  pg_response(res, 0, classid, name, super_class, access_flags);
  COMPARE_STRING(name, "com/redhat/symboldb/test/JavaClass");
  COMPARE_STRING(super_class, "java/lang/Thread");
  CHECK(access_flags == 1 + 16 + 32);
  pg_query_binary
    (conn, res, "SELECT name FROM symboldb.java_interface"
     " WHERE class_id = $1 ORDER BY name", classid);
  CHECK(res.ntuples() == 2);
  COMPARE_STRING(res.getvalue(0, 0), "java/lang/AutoCloseable");
  COMPARE_STRING(res.getvalue(1, 0), "java/lang/Runnable");
  pg_query
    (conn, res, "SELECT name FROM symboldb.java_class_reference"
     " WHERE class_id = $1 ORDER BY name", classid);
  {
    const char *expected[] = {
      "java/lang/AutoCloseable",
      "java/lang/Byte",
      "java/lang/Double",
      "java/lang/Exception",
      "java/lang/Float",
      "java/lang/Integer",
      "java/lang/Long",
      "java/lang/Runnable",
      "java/lang/Short",
      "java/lang/StackOverflowError",
      "java/lang/StringBuilder",
      "java/lang/Thread",
      NULL
    };
    unsigned end = res.ntuples();
    for (unsigned i = 0; i <= end; ++i) {
      if (i == end) {
	CHECK(expected[i] == NULL);
      } else if (expected[i] == NULL) {
	CHECK(false);
	break;
      } else {
	COMPARE_STRING(res.getvalue(i, 0), expected[i]);
      }
    }
  }

  res.exec
    (conn, "SELECT jc.name FROM symboldb.java_class jc"
     " JOIN symboldb.java_class_contents USING (class_id)"
     " JOIN symboldb.file f USING (contents_id)"
     " JOIN symboldb.package p USING (package_id)"
     " WHERE symboldb.nevra(p) = 'objectweb-asm4-0:4.1-2.fc18.noarch'"
     " AND f.name = '/usr/share/java/objectweb-asm4/asm.jar'"
     " ORDER BY jc.name");
  {
    const char *expected[] = {
      "org/objectweb/asm/AnnotationVisitor",
      "org/objectweb/asm/AnnotationWriter",
      "org/objectweb/asm/Attribute",
      "org/objectweb/asm/ByteVector",
      "org/objectweb/asm/ClassReader",
      "org/objectweb/asm/ClassVisitor",
      "org/objectweb/asm/ClassWriter",
      "org/objectweb/asm/Context",
      "org/objectweb/asm/Edge",
      "org/objectweb/asm/FieldVisitor",
      "org/objectweb/asm/FieldWriter",
      "org/objectweb/asm/Frame",
      "org/objectweb/asm/Handle",
      "org/objectweb/asm/Handler",
      "org/objectweb/asm/Item",
      "org/objectweb/asm/Label",
      "org/objectweb/asm/MethodVisitor",
      "org/objectweb/asm/MethodWriter",
      "org/objectweb/asm/Opcodes",
      "org/objectweb/asm/Type",
      "org/objectweb/asm/signature/SignatureReader",
      "org/objectweb/asm/signature/SignatureVisitor",
      "org/objectweb/asm/signature/SignatureWriter",
      NULL
    };
    unsigned end = res.ntuples();
    CHECK(end > 0);
    for (unsigned i = 0; i <= end; ++i) {
      if (i == end) {
	CHECK(expected[i] == NULL);
      } else if (expected[i] == NULL) {
	CHECK(false);
	break;
      } else {
	COMPARE_STRING(res.getvalue(i, 0), expected[i]);
      }
    }
  }

  db.txn_begin();
  db.add_java_error(database::contents_id(1), "error message", "/path");
  db.add_java_error(database::contents_id(2), "error message", "");
  db.txn_rollback();
}