1 The list of indexed fields
2 --------------------------
5 list of field names that are indexed
7 contains fields of type @IDXATTR which contain attriute names
14 for each user record in the db there is:
17 data: packed attribute/value list
19 a index record for each indexed field in the record
25 The index records contain the list of dn's that contain records
26 matching the index key
28 All index records are of the form:
31 and contain fields of type @IDX which are the dns of the records
32 that have that value for some attribute
38 Very similar to LDAP search expressions, but does not allow ~=, <= or >=
40 attrib0 := (field=value)
41 attrib := attrib0 | (attrib&&attrib) | (attrib||attrib) | !attrib