} QueryTemplate;
/*
- * Represents a set of projected attributes and any
- * supersets among all specified sets of attributes.
+ * Represents a set of projected attributes.
*/
struct attr_set {
unsigned flags;
#define PC_CONFIGURED (0x1)
#define PC_REFERENCED (0x2)
+#define PC_GOT_OC (0x4)
AttributeName* attrs; /* specifies the set */
int count; /* number of attributes */
- int* ID_array; /* array of indices of supersets of 'attrs' */
};
struct query_manager_s;
free(qc->q_uuid.bv_val);
filter_free(q->filter);
free (q->base.bv_val);
- if ( q->attrs ) {
- for (i=0; q->attrs[i].an_name.bv_val; i++) {
- free(q->attrs[i].an_name.bv_val);
- }
- free(q->attrs);
- }
+ free(q->attrs);
free(qc);
}
int num
);
-static int
-attrscmp(
- AttributeName* attrs_in,
- AttributeName* attrs
-);
-
static int
is_temp_answerable(
int attr_set,
QueryTemplate *qt = qm->templates + template_id;
if (attr_set != qt->attr_set_index) {
- int* id_array = qm->attr_sets[attr_set].ID_array;
-
- while (*id_array != -1) {
- if (*id_array == qt->attr_set_index)
- break;
- id_array++;
- }
- if (*id_array == -1)
- return 0;
+ return 0;
}
return (qt->querystr.bv_len == tempstr->bv_len &&
strcasecmp(qt->querystr.bv_val, tempstr->bv_val) == 0);
static int
filter2template(
+ Operation *op,
Filter *f,
struct berval *fstr,
AttributeName** filter_attrs,
- int* filter_cnt )
+ int* filter_cnt,
+ int* filter_got_oc )
{
AttributeDescription *ad;
fstr->bv_len += sizeof("(%") - 1;
for ( f = f->f_list; f != NULL; f = f->f_next ) {
- rc = filter2template( f, fstr, filter_attrs, filter_cnt );
+ rc = filter2template( op, f, fstr, filter_attrs, filter_cnt,
+ filter_got_oc );
if ( rc ) break;
}
sprintf( fstr->bv_val+fstr->bv_len, ")" );
return -1;
}
- *filter_attrs = (AttributeName *)ch_realloc(*filter_attrs,
- (*filter_cnt + 2)*sizeof(AttributeName));
+ *filter_attrs = (AttributeName *)op->o_tmprealloc(*filter_attrs,
+ (*filter_cnt + 2)*sizeof(AttributeName), op->o_tmpmemctx);
(*filter_attrs)[*filter_cnt].an_desc = ad;
(*filter_attrs)[*filter_cnt].an_name = ad->ad_cname;
(*filter_attrs)[*filter_cnt].an_oc_exclude = 0;
BER_BVZERO( &(*filter_attrs)[*filter_cnt+1].an_name );
(*filter_cnt)++;
+ if ( ad == slap_schema.si_ad_objectClass )
+ *filter_got_oc = 1;
return 0;
}
si->tail = NULL;
}
}
-
- if ( rs->sr_attrs != op->ors_attrs ) {
- op->o_tmpfree( rs->sr_attrs, op->o_tmpmemctx );
- }
-
if ( si->query.save_attrs != NULL ) {
rs->sr_attrs = si->query.save_attrs;
- op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx );
op->ors_attrs = si->query.save_attrs;
si->query.save_attrs = NULL;
}
add_filter_attrs(
Operation *op,
AttributeName** new_attrs,
- AttributeName* attrs,
- AttributeName* filter_attrs )
+ struct attr_set *attrs,
+ AttributeName* filter_attrs,
+ int fattr_cnt,
+ int fattr_got_oc)
{
int alluser = 0;
int allop = 0;
- int i;
+ int i, j;
int count;
+ int addoc = 0;
/* duplicate attrs */
- if (attrs == NULL) {
- count = 1;
- } else {
- for (count=0; attrs[count].an_name.bv_val; count++)
- ;
+ count = attrs->count + fattr_cnt;
+ if ( !fattr_got_oc && !(attrs->flags & PC_GOT_OC)) {
+ addoc = 1;
+ count++;
}
- *new_attrs = (AttributeName*)(op->o_tmpalloc((count+1)*
- sizeof(AttributeName), op->o_tmpmemctx));
- if (attrs == NULL) {
- BER_BVSTR( &(*new_attrs)[0].an_name, "*" );
- (*new_attrs)[0].an_desc = NULL;
- (*new_attrs)[0].an_oc = NULL;
- (*new_attrs)[0].an_oc_exclude = 0;
- BER_BVZERO( &(*new_attrs)[1].an_name );
- alluser = 1;
- allop = 0;
- } else {
- for (i=0; i<count; i++) {
- (*new_attrs)[i].an_name = attrs[i].an_name;
- (*new_attrs)[i].an_desc = attrs[i].an_desc;
- }
- BER_BVZERO( &(*new_attrs)[count].an_name );
- alluser = an_find(*new_attrs, &AllUser);
- allop = an_find(*new_attrs, &AllOper);
+
+ *new_attrs = (AttributeName*)ch_malloc((count+1)*
+ sizeof(AttributeName));
+ for (i=0; i<attrs->count; i++) {
+ (*new_attrs)[i].an_name = attrs->attrs[i].an_name;
+ (*new_attrs)[i].an_desc = attrs->attrs[i].an_desc;
}
+ BER_BVZERO( &(*new_attrs)[i].an_name );
+ alluser = an_find(*new_attrs, &AllUser);
+ allop = an_find(*new_attrs, &AllOper);
- for ( i=0; filter_attrs[i].an_name.bv_val; i++ ) {
+ j = i;
+ for ( i=0; i<fattr_cnt; i++ ) {
if ( an_find(*new_attrs, &filter_attrs[i].an_name ))
continue;
if ( is_at_operational(filter_attrs[i].an_desc->ad_type) ) {
continue;
} else if (alluser)
continue;
- *new_attrs = (AttributeName*)(op->o_tmprealloc(*new_attrs,
- (count+2)*sizeof(AttributeName), op->o_tmpmemctx));
- (*new_attrs)[count].an_name = filter_attrs[i].an_name;
- (*new_attrs)[count].an_desc = filter_attrs[i].an_desc;
- (*new_attrs)[count].an_oc = NULL;
- (*new_attrs)[count].an_oc_exclude = 0;
- count++;
- BER_BVZERO( &(*new_attrs)[count].an_name );
+ (*new_attrs)[j].an_name = filter_attrs[i].an_name;
+ (*new_attrs)[j].an_desc = filter_attrs[i].an_desc;
+ (*new_attrs)[j].an_oc = NULL;
+ (*new_attrs)[j].an_oc_exclude = 0;
+ j++;
+ }
+ if ( addoc ) {
+ (*new_attrs)[j].an_name = slap_schema.si_ad_objectClass->ad_cname;
+ (*new_attrs)[j].an_desc = slap_schema.si_ad_objectClass;
+ (*new_attrs)[j].an_oc = NULL;
+ (*new_attrs)[j].an_oc_exclude = 0;
+ j++;
}
+ BER_BVZERO( &(*new_attrs)[j].an_name );
}
/* NOTE: this is a quick workaround to let pcache minimally interact
int answerable = 0;
int cacheable = 0;
int fattr_cnt=0;
+ int fattr_got_oc = 0;
int oc_attr_absent = 1;
struct berval tempstr;
tempstr.bv_val = op->o_tmpalloc( op->ors_filterstr.bv_len+1, op->o_tmpmemctx );
tempstr.bv_len = 0;
- if (filter2template(op->ors_filter, &tempstr, &filter_attrs, &fattr_cnt)) {
+ if ( filter2template( op, op->ors_filter, &tempstr, &filter_attrs,
+ &fattr_cnt, &fattr_got_oc )) {
op->o_tmpfree( tempstr.bv_val, op->o_tmpmemctx );
return SLAP_CB_CONTINUE;
}
slap_callback *save_cb = op->o_callback;
Debug( LDAP_DEBUG_ANY, "QUERY ANSWERABLE\n", 0, 0, 0 );
- free(filter_attrs);
+ op->o_tmpfree( filter_attrs, op->o_tmpmemctx );
ldap_pvt_thread_rdwr_runlock(&qm->templates[i].t_rwlock);
op->o_bd = &cm->db;
op->o_callback = NULL;
Debug( LDAP_DEBUG_ANY, "QUERY CACHEABLE\n", 0, 0, 0 );
query.filter = str2filter(op->ors_filterstr.bv_val);
- if (op->ors_attrs) {
- for ( count = 0; !BER_BVISNULL( &op->ors_attrs[ count ].an_name ); count++ ) {
- if ( op->ors_attrs[count].an_desc == slap_schema.si_ad_objectClass ) {
- oc_attr_absent = 0;
- }
- }
- query.attrs = (AttributeName *)ch_malloc( ( count + 1 + oc_attr_absent )
- *sizeof(AttributeName) );
- for ( count = 0; !BER_BVISNULL( &op->ors_attrs[ count ].an_name ); count++ ) {
- ber_dupbv( &query.attrs[count].an_name, &op->ors_attrs[count].an_name );
- query.attrs[count].an_desc = op->ors_attrs[count].an_desc;
- query.attrs[count].an_oc = op->ors_attrs[count].an_oc;
- query.attrs[count].an_oc_exclude = op->ors_attrs[count].an_oc_exclude;
- }
- if ( oc_attr_absent ) {
- query.attrs[ count ].an_desc = slap_schema.si_ad_objectClass;
- ber_dupbv( &query.attrs[count].an_name,
- &slap_schema.si_ad_objectClass->ad_cname );
- query.attrs[ count ].an_oc = NULL;
- query.attrs[ count ].an_oc_exclude = 0;
- count++;
- }
- BER_BVZERO( &query.attrs[ count ].an_name );
- }
- add_filter_attrs(op, &op->ors_attrs, query.attrs, filter_attrs);
+ add_filter_attrs(op, &query.attrs, &qm->attr_sets[attr_set],
+ filter_attrs, fattr_cnt, fattr_got_oc);
+
+ op->ors_attrs = query.attrs;
cb = op->o_tmpalloc( sizeof(*cb) + sizeof(*si), op->o_tmpmemctx);
cb->sc_response = pcache_response;
0, 0, 0);
}
- free(filter_attrs);
+ op->o_tmpfree( filter_attrs, op->o_tmpmemctx );
return SLAP_CB_CONTINUE;
}
-static int
-attrscmp(
- AttributeName* attrs_in,
- AttributeName* attrs)
-{
- int i, count1, count2;
- if ( attrs_in == NULL ) {
- return (attrs ? 0 : 1);
- }
- if ( attrs == NULL )
- return 0;
-
- for ( count1=0;
- attrs_in && attrs_in[count1].an_name.bv_val != NULL;
- count1++ )
- ;
- for ( count2=0;
- attrs && attrs[count2].an_name.bv_val != NULL;
- count2++)
- ;
- if ( count1 != count2 )
- return 0;
-
- for ( i=0; i<count1; i++ ) {
- if ( !an_find(attrs, &attrs_in[i].an_name ))
- return 0;
- }
- return 1;
-}
-
static int
get_attr_set(
AttributeName* attrs,
int num )
{
int i;
+ int count = 0;
+
+ if ( attrs ) {
+ for ( ; attrs[count].an_name.bv_val; count++ );
+ }
+
for (i=0; i<num; i++) {
- if (attrscmp(attrs, qm->attr_sets[i].attrs))
- return i;
+ AttributeName *a2;
+ int found = 1;
+
+ if ( count > qm->attr_sets[i].count )
+ continue;
+ if ( !count ) {
+ if ( !qm->attr_sets[i].count )
+ break;
+ continue;
+ }
+ for ( a2 = attrs; a2->an_name.bv_val; a2++ ) {
+ if ( !an_find( qm->attr_sets[i].attrs, &a2->an_name )) {
+ found = 0;
+ break;
+ }
+ }
+ if ( found )
+ break;
}
- return -1;
+ if ( i == num )
+ i = -1;
+ return i;
}
static void*
#define MAX_ATTR_SETS 500
-/*
- * compares two sets of attributes (indices i and j)
- * returns 0: if neither set is contained in the other set
- * 1: if set i is contained in set j
- * 2: if set j is contained in set i
- * 3: the sets are equivalent
- */
-
-static int
-compare_sets(struct attr_set* set, int i, int j)
-{
- int k,l,numI,numJ;
- int common=0;
- int result=0;
-
- if (( set[i].attrs == NULL ) && ( set[j].attrs == NULL ))
- return 3;
-
- if ( set[i].attrs == NULL )
- return 2;
-
- if ( set[j].attrs == NULL )
- return 1;
-
- numI = set[i].count;
- numJ = set[j].count;
-
- for ( l=0; l < numI; l++ ) {
- for ( k = 0; k < numJ; k++ ) {
- if ( strcmp( set[i].attrs[l].an_name.bv_val,
- set[j].attrs[k].an_name.bv_val ) == 0 )
- common++;
- }
- }
-
- if ( common == numI )
- result = 1;
-
- if ( common == numJ )
- result += 2;
-
- return result;
-}
-
-static void
-find_supersets ( struct attr_set* attr_sets, int numsets )
-{
- int num[MAX_ATTR_SETS];
- int i, j, res;
- int* id_array;
- for ( i = 0; i < MAX_ATTR_SETS; i++ )
- num[i] = 0;
-
- for ( i = 0; i < numsets; i++ ) {
- attr_sets[i].ID_array = (int*) ch_malloc( sizeof( int ) );
- attr_sets[i].ID_array[0] = -1;
- }
-
- for ( i = 0; i < numsets; i++ ) {
- for ( j=i+1; j < numsets; j++ ) {
- res = compare_sets( attr_sets, i, j );
- switch ( res ) {
- case 0:
- break;
- case 3:
- case 1:
- id_array = attr_sets[i].ID_array;
- attr_sets[i].ID_array = (int *) ch_realloc( id_array,
- ( num[i] + 2 ) * sizeof( int ));
- attr_sets[i].ID_array[num[i]] = j;
- attr_sets[i].ID_array[num[i]+1] = -1;
- num[i]++;
- if (res == 1)
- break;
- case 2:
- id_array = attr_sets[j].ID_array;
- attr_sets[j].ID_array = (int *) ch_realloc( id_array,
- ( num[j] + 2 ) * sizeof( int ));
- attr_sets[j].ID_array[num[j]] = i;
- attr_sets[j].ID_array[num[j]+1] = -1;
- num[j]++;
- break;
- }
- }
- }
-}
-
enum {
PC_MAIN = 1,
PC_ATTR,
(c->argc-1) * sizeof( AttributeName ));
attr_name = qm->attr_sets[num].attrs;
for ( i = 2; i < c->argc; i++ ) {
- ber_str2bv( c->argv[i], 0, 1, &attr_name->an_name);
attr_name->an_desc = NULL;
- if ( slap_bv2ad( &attr_name->an_name,
+ if ( slap_str2ad( c->argv[i],
&attr_name->an_desc, &text ) )
{
strcpy( c->msg, text );
qm->attr_sets[num].count = 0;
return 1;
}
+ attr_name->an_name = attr_name->an_desc->ad_cname;
attr_name->an_oc = NULL;
attr_name->an_oc_exclude = 0;
+ if ( attr_name->an_desc == slap_schema.si_ad_objectClass )
+ qm->attr_sets[num].flags |= PC_GOT_OC;
attr_name++;
BER_BVZERO( &attr_name->an_name );
}
return 1;
}
num = cm->numtemplates;
- if ( num == 0 )
- find_supersets( qm->attr_sets, cm->numattrsets );
qm->templates = ( QueryTemplate* )ch_realloc( qm->templates,
( num + 2 ) * sizeof( QueryTemplate ));
temp = qm->templates + num;
qm->templates = NULL;
for ( i=0; i<cm->numattrsets; i++ ) {
- free( qm->attr_sets[i].ID_array );
- for ( j=0; j<qm->attr_sets[i].count; j++ ) {
- free( qm->attr_sets[i].attrs[j].an_name.bv_val );
- }
free( qm->attr_sets[i].attrs );
}
free( qm->attr_sets );