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authorAndrew Bartlett <abartlet@samba.org>2011-07-05 10:01:32 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-07-05 17:24:47 +1000
commit8420a36dc7fe72fb665e065b8673fa44ff1bbf21 (patch)
tree5350041c1de4cdc73a813949f7cd154c423b3ec5 /source4/lib/ldb/docs/design.txt
parentc9a6dd56e42beafd297f4aefeb4e00ef9a09073a (diff)
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ldb: make ldb a top level library for Samba 4.0
Signed-off-by: Andrew Tridgell <tridge@samba.org>
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-The list of indexed fields
---------------------------
-
-dn=@INDEXLIST
- list of field names that are indexed
-
- contains fields of type @IDXATTR which contain attriute names
- of indexed fields
-
-
-Data records
-------------
-
-for each user record in the db there is:
- main record
- key: DN=dn
- data: packed attribute/value list
-
- a index record for each indexed field in the record
-
-
-Index Records
--------------
-
-The index records contain the list of dn's that contain records
-matching the index key
-
-All index records are of the form:
- dn=@INDEX:field:value
-
-and contain fields of type @IDX which are the dns of the records
-that have that value for some attribute
-
-
-Search Expressions
-------------------
-
-Very similar to LDAP search expressions, but does not allow ~=, <= or >=
-
- attrib0 := (field=value)
- attrib := attrib0 | (attrib&&attrib) | (attrib||attrib) | !attrib