static void
mdb_modify_idxflags(
Operation *op,
AttributeDescription *desc,
int got_delete,
Attribute *newattrs,
Attribute *oldattrs )
{
struct berval ix_at;
AttrInfo *ai;
/* check if modified attribute was indexed
* but not in case of NOOP... */
ai = mdb_index_mask( op->o_bd, desc, &ix_at );
if ( ai ) {
if ( got_delete ) {
Attribute *ap;
struct berval ix2;
ap = attr_find( oldattrs, desc );
if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
/* ITS#8678 FIXME
* If using 32bit hashes, or substring index, must account for
* possible index collisions. If no substring index, and using
* 64bit hashes, assume we don't need to check for collisions.
*
* In 2.5 use refcounts and avoid all of this mess.
*/
/* FIXME: use t1ha2_64() */
#ifdef LUTIL_HASH64_BYTES
const int hash32width = !slap_hash64(-1);
#else
const int hash32width = 1;
#endif
if (hash32width || (ai->ai_indexmask & SLAP_INDEX_SUBSTR)) {
/* Find all other attrs that index to same slot */
for ( ap = newattrs; ap; ap = ap->a_next ) {
ai = mdb_index_mask( op->o_bd, ap->a_desc, &ix2 );
if ( ai && ix2.bv_val == ix_at.bv_val )
ap->a_flags |= SLAP_ATTR_IXADD;
}
}
} else {
Attribute *ap;
ap = attr_find( newattrs, desc );
if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
}
}
}
static void
mdb_modify_idxflags(
Operation *op,
AttributeDescription *desc,
int got_delete,
Attribute *newattrs,
Attribute *oldattrs )
{
struct berval ix_at;
AttrInfo *ai;
/* check if modified attribute was indexed
* but not in case of NOOP... */
ai = mdb_index_mask( op->o_bd, desc, &ix_at );
if ( ai ) {
if ( got_delete ) {
Attribute *ap;
struct berval ix2;
ap = attr_find( oldattrs, desc );
if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
/* Find all other attrs that index to same slot */
for ( ap = newattrs; ap; ap = ap->a_next ) {
ai = mdb_index_mask( op->o_bd, ap->a_desc, &ix2 );
if ( ai && ix2.bv_val == ix_at.bv_val )
ap->a_flags |= SLAP_ATTR_IXADD;
}
} else {
Attribute *ap;
ap = attr_find( newattrs, desc );
if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
}
}
}
/* This function is only called when evaluating search filters.
*/
int mdb_index_param(
Backend *be,
AttributeDescription *desc,
int ftype,
MDB_dbi *dbip,
slap_mask_t *maskp,
struct berval *prefixp )
{
AttrInfo *ai;
slap_mask_t mask, type = 0;
ai = mdb_index_mask( be, desc, prefixp );
if ( !ai ) {
#ifdef MDB_MONITOR_IDX
switch ( ftype ) {
case LDAP_FILTER_PRESENT:
type = SLAP_INDEX_PRESENT;
break;
case LDAP_FILTER_APPROX:
type = SLAP_INDEX_APPROX;
break;
case LDAP_FILTER_EQUALITY:
type = SLAP_INDEX_EQUALITY;
break;
case LDAP_FILTER_SUBSTRINGS:
type = SLAP_INDEX_SUBSTR;
break;
default:
return LDAP_INAPPROPRIATE_MATCHING;
}
mdb_monitor_idx_add( be->be_private, desc, type );
#endif /* MDB_MONITOR_IDX */
return LDAP_INAPPROPRIATE_MATCHING;
}
mask = ai->ai_indexmask;
switch( ftype ) {
case LDAP_FILTER_PRESENT:
type = SLAP_INDEX_PRESENT;
if( IS_SLAP_INDEX( mask, type ) ) {
*prefixp = presence_key[0];
goto done;
}
break;
case LDAP_FILTER_APPROX:
type = SLAP_INDEX_APPROX;
if ( desc->ad_type->sat_approx ) {
if( IS_SLAP_INDEX( mask, type ) ) {
goto done;
}
break;
}
/* Use EQUALITY rule and index for approximate match */
/* fall thru */
case LDAP_FILTER_EQUALITY:
type = SLAP_INDEX_EQUALITY;
if( IS_SLAP_INDEX( mask, type ) ) {
goto done;
}
break;
case LDAP_FILTER_SUBSTRINGS:
type = SLAP_INDEX_SUBSTR;
if( IS_SLAP_INDEX( mask, type ) ) {
goto done;
}
break;
default:
return LDAP_OTHER;
}
#ifdef MDB_MONITOR_IDX
mdb_monitor_idx_add( be->be_private, desc, type );
#endif /* MDB_MONITOR_IDX */
return LDAP_INAPPROPRIATE_MATCHING;
done:
*dbip = ai->ai_dbi;
*maskp = mask;
return LDAP_SUCCESS;
}