static void
wt_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 = wt_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 = wt_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 wt_index_param(
Backend *be,
AttributeDescription *desc,
int ftype,
slap_mask_t *maskp,
struct berval *prefixp )
{
AttrInfo *ai;
int rc;
slap_mask_t mask, type = 0;
ai = wt_index_mask( be, desc, prefixp );
if ( !ai ) {
/* TODO: add monitor */
return LDAP_INAPPROPRIATE_MATCHING;
}
mask = ai->ai_indexmask;
switch( ftype ) {
case LDAP_FILTER_PRESENT:
type = SLAP_INDEX_PRESENT;
if( IS_SLAP_INDEX( mask, SLAP_INDEX_PRESENT ) ) {
*prefixp = presence_key;
*maskp = mask;
return LDAP_SUCCESS;
}
break;
case LDAP_FILTER_APPROX:
type = SLAP_INDEX_APPROX;
if ( desc->ad_type->sat_approx ) {
if( IS_SLAP_INDEX( mask, SLAP_INDEX_APPROX ) ) {
*maskp = mask;
return LDAP_SUCCESS;
}
break;
}
/* Use EQUALITY rule and index for approximate match */
/* fall thru */
case LDAP_FILTER_EQUALITY:
type = SLAP_INDEX_EQUALITY;
if( IS_SLAP_INDEX( mask, SLAP_INDEX_EQUALITY ) ) {
*maskp = mask;
return LDAP_SUCCESS;
}
break;
case LDAP_FILTER_SUBSTRINGS:
type = SLAP_INDEX_SUBSTR;
if( IS_SLAP_INDEX( mask, SLAP_INDEX_SUBSTR ) ) {
*maskp = mask;
return LDAP_SUCCESS;
}
break;
default:
return LDAP_OTHER;
}
/* TODO: add monitor index */
return LDAP_INAPPROPRIATE_MATCHING;
}
