aboutsummaryrefslogtreecommitdiff
path: root/pgsql/types
diff options
context:
space:
mode:
authorConstantin Michael <constantin@codesynthesis.com>2011-07-14 23:13:46 +0200
committerConstantin Michael <constantin@codesynthesis.com>2011-07-14 23:13:46 +0200
commit2548ead4f4b740e96c093f07692a50e2bc776f89 (patch)
tree190ac91cc24e0205c736d3ea0fcbb333dc44b946 /pgsql/types
parente67830fa25b5cf42428d32b544b115fda44383a3 (diff)
Aesthetic changes to PostgreSQL BIT test
Diffstat (limited to 'pgsql/types')
-rw-r--r--pgsql/types/traits.hxx14
1 files changed, 11 insertions, 3 deletions
diff --git a/pgsql/types/traits.hxx b/pgsql/types/traits.hxx
index 20d0445..be45aa8 100644
--- a/pgsql/types/traits.hxx
+++ b/pgsql/types/traits.hxx
@@ -55,6 +55,10 @@ namespace odb
}
};
+ // The first 4 bytes of the image is a signed int specifying the
+ // number of significant bits contained by the BIT. The following
+ // bytes contain the bit data.
+ //
template <>
class value_traits<bitfield, id_bit>
{
@@ -71,7 +75,11 @@ namespace odb
{
if (!is_null)
{
- unsigned char const* d = i + 4;
+ assert (
+ details::endian_traits::ntoh (
+ *reinterpret_cast<const int*> (i)) == 4);
+
+ const unsigned char* d (i + 4);
v.a = *d >> 4 & 1;
v.b = (*d >> 5) & 1;
@@ -146,8 +154,8 @@ namespace odb
if (n > b.capacity ())
b.capacity (n);
- // PostgreSQL requires all trailing bits of a varbit image
- // be zero.
+ // PostgreSQL requires all trailing bits of a VARBIT image
+ // to be zero.
//
std::memset (b.data (), 0, b.capacity ());