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ITS#5183 - better delete index handling

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This commit is contained in:
Howard Chu 2007-11-20 12:06:28 +00:00
parent 529f818f2b
commit f08b26adbc
1 changed files with 45 additions and 13 deletions
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42
servers/slapd/back-bdb/modify.c
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@ -43,7 +43,6 @@ int bdb_modify_internal(
Attribute *ap;
int glue_attr_delete = 0;
int got_delete;
struct berval ix_at;
AttrInfo *ai;
Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
@ -90,6 +89,7 @@ int bdb_modify_internal(
}
for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
struct berval ix_at;
mod = &ml->sml_mod;
got_delete = 0;
@ -251,9 +251,41 @@ int bdb_modify_internal(
/* start with deleting the old index entries */
for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
struct berval tmp, *vals;
Attribute *a2;
ap->a_flags &= ~SLAP_ATTR_IXDEL;
a2 = attr_find( e->e_attrs, ap->a_desc );
if ( a2 ) {
/* need to detect which values were deleted */
int i, j;
struct berval tmp;
j = ap->a_numvals;
for ( i=0; i<j; ) {
rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
&ap->a_nvals[i], NULL, op->o_tmpmemctx );
/* Move deleted values to end of array */
if ( rc == LDAP_NO_SUCH_ATTRIBUTE ) {
j--;
if ( i != j ) {
tmp = ap->a_nvals[j];
ap->a_nvals[j] = ap->a_nvals[i];
ap->a_nvals[i] = tmp;
tmp = ap->a_vals[j];
ap->a_vals[j] = ap->a_vals[i];
ap->a_vals[i] = tmp;
}
continue;
}
i++;
}
vals = &ap->a_nvals[j];
} else {
/* attribute was completely deleted */
vals = ap->a_nvals;
}
if ( !BER_BVISEMPTY( vals )) {
rc = bdb_index_values( op, tid, ap->a_desc,
ap->a_nvals,
e->e_id, SLAP_INDEX_DELETE_OP );
vals, e->e_id, SLAP_INDEX_DELETE_OP );
if ( rc != LDAP_SUCCESS ) {
attrs_free( e->e_attrs );
e->e_attrs = save_attrs;
@ -262,13 +294,14 @@ int bdb_modify_internal(
0, 0, 0 );
return rc;
}
ap->a_flags &= ~SLAP_ATTR_IXDEL;
}
}
}
/* add the new index entries */
for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
if (ap->a_flags & SLAP_ATTR_IXADD) {
ap->a_flags &= ~SLAP_ATTR_IXADD;
rc = bdb_index_values( op, tid, ap->a_desc,
ap->a_nvals,
e->e_id, SLAP_INDEX_ADD_OP );
@ -280,7 +313,6 @@ int bdb_modify_internal(
0, 0, 0 );
return rc;
}
ap->a_flags &= ~SLAP_ATTR_IXADD;
}
}