static void marshalKey(const NameID &id1, const NameID &id2, DbtOut &dbt)
{
DBXML_ASSERT(id1 != 0 || id2 == 0);
int size = 1;
if(id1 != 0) size += id1.marshalSize();
if(id2 != 0) size += id2.marshalSize();
dbt.set(0, size);
xmlbyte_t *ptr = (xmlbyte_t*)dbt.data;
*ptr++ = KEY_PREFIX_BYTE;
if(id1 != 0) ptr += id1.marshal(ptr);
if(id2 != 0) ptr += id2.marshal(ptr);
}
// use DB prefix iterator to remove all index entries for the specified index.
// do both index and statistics databases.
// The prefix is <indexKeyPrefix>[<nameId>]
int SyntaxDatabase::removeIndex(OperationContext &context, const Index &index,
const NameID &id)
{
// key is <indexType><name ID>, which is one byte plus a marshaled integer.
unsigned char keybuf[10];
keybuf[0] = index.getKeyPrefix();
u_int32_t sz = 1;
if (id != 0) {
// not a default index
sz += id.marshal(keybuf+1);
}
int err = removeIndexEntries(context, *index_.get(), keybuf, sz);
if (err == 0)
err = removeIndexEntries(context, *statistics_.get(), keybuf, sz);
return err;
}