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187 lines
6.1 KiB
Plaintext
187 lines
6.1 KiB
Plaintext
-- ------------------------------------------------------
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PRAGMA auto_vacuum=1;
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-- ------------------------------------------------------
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BEGIN EXCLUSIVE;
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-- ------------------------------------------------------
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CREATE TABLE ldb_info AS
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SELECT 'LDB' AS database_type,
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'1.0' AS version;
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-- ------------------------------------------------------
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-- Schema
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/*
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* The entry table holds the information about an entry. This
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* table is used to obtain the EID of the entry and to support
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* scope="one" and scope="base". The parent and child table
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* is included in the entry table since all the other
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* attributes are dependent on EID.
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*/
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CREATE TABLE ldb_entry
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(
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-- Unique identifier of this LDB entry
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eid INTEGER PRIMARY KEY,
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-- Unique identifier of the parent LDB entry
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peid INTEGER REFERENCES ldb_entry,
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-- Distinguished name of this entry
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dn TEXT,
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-- Time when the entry was created
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create_timestamp INTEGER,
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-- Time when the entry was last modified
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modify_timestamp INTEGER
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);
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/*
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* The purpose of the descendant table is to support the
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* subtree search feature. For each LDB entry with a unique
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* ID (AEID), this table contains the unique identifiers
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* (DEID) of the descendant entries.
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*
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* For evern entry in the directory, a row exists in this
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* table for each of its ancestors including itself. The size
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* of the table depends on the depth of each entry. In the
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* worst case, if all the entries were at the same depth, the
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* number of rows in the table is O(nm) where n is the number
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* of nodes in the directory and m is the depth of the tree.
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*/
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CREATE TABLE ldb_descendants
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(
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-- The unique identifier of the ancestor LDB entry
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aeid INTEGER REFERENCES ldb_entry,
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-- The unique identifier of the descendant LDB entry
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deid INTEGER REFERENCES ldb_entry
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);
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CREATE TABLE ldb_object_classes
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(
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-- Object classes are inserted into this table to track
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-- their class hierarchy. 'top' is the top-level class
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-- of which all other classes are subclasses.
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class_name TEXT PRIMARY KEY,
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-- tree_key tracks the position of the class in
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-- the hierarchy
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tree_key TEXT UNIQUE
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);
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/*
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* We keep a full listing of attribute/value pairs here
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*/
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CREATE TABLE ldb_attribute_values
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(
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eid INTEGER REFERENCES ldb_entry,
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attr_name TEXT, -- see ldb_attr_ATTRIBUTE_NAME
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attr_value TEXT
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);
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/*
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* There is one attribute table per searchable attribute.
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*/
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/*
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CREATE TABLE ldb_attr_ATTRIBUTE_NAME
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(
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-- The unique identifier of the LDB entry
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eid INTEGER REFERENCES ldb_entry,
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-- Normalized attribute value
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attr_value TEXT
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);
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*/
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-- ------------------------------------------------------
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-- Indexes
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-- ------------------------------------------------------
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-- Triggers
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CREATE TRIGGER ldb_entry_insert_tr
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AFTER INSERT
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ON ldb_entry
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FOR EACH ROW
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BEGIN
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UPDATE ldb_entry
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SET create_timestamp = strftime('%s', 'now'),
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modify_timestamp = strftime('%s', 'now')
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WHERE eid = new.eid;
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END;
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CREATE TRIGGER ldb_entry_update_tr
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AFTER UPDATE
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ON ldb_entry
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FOR EACH ROW
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BEGIN
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UPDATE ldb_entry
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SET modify_timestamp = strftime('%s', 'now')
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WHERE eid = old.eid;
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END;
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-- ------------------------------------------------------
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-- Table initialization
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/* We need an implicit 'top' level object class */
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INSERT INTO ldb_attributes (attr_name,
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parent_tree_key)
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SELECT 'top', '';
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-- ------------------------------------------------------
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COMMIT;
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-- ------------------------------------------------------
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/*** TESTS ***/
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/*
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* dn: o=University of Michigan,c=US
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* objectclass: organization
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* objectclass: domainRelatedObject
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*/
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/*
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* dn: o=University of Michigan,c=US
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* l: Ann Arbor, Michigan
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* st: Michigan
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* o: University of Michigan
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* o: UMICH
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* seeAlso:
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* telephonenumber: +1 313 764-1817
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*/
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/*
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* dn: @ATTRIBUTES
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* uid: CASE_INSENSITIVE WILDCARD
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* cn: CASE_INSENSITIVE
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* ou: CASE_INSENSITIVE
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* dn: CASE_INSENSITIVE
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*/
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/*
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* dn: @SUBCLASSES
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* top: domain
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* top: person
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* domain: domainDNS
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* person: organizationalPerson
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* person: fooPerson
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* organizationalPerson: user
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* organizationalPerson: OpenLDAPperson
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* user: computer
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*/
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