VERY PRELIMINARY support for PostgreSQL and IBM db2

servers/slapd/back-sql/rdbms_depend/ibmdb2/backsql_create.sql

+drop table ldap_oc_mappings;
+create table ldap_oc_mappings
+ (
+	id integer not null primary key,
+	name varchar(64) not null,
+	keytbl varchar(64) not null,
+	keycol varchar(64) not null,
+	create_proc varchar(255),
+	delete_proc varchar(255),
+	expect_return integer not null
+);
+
+drop table ldap_attr_mappings;
+create table ldap_attr_mappings
+ (
+	id integer not null primary key,
+	oc_map_id integer not null references ldap_oc_mappings(id),
+	name varchar(255) not null,
+	sel_expr varchar(255) not null,
+	sel_expr_u varchar(255),
+	from_tbls varchar(255) not null,
+	join_where varchar(255),
+	add_proc varchar(255),
+	delete_proc varchar(255),
+	param_order integer not null,
+	expect_return integer not null
+);
+
+drop table ldap_entries;
+create table ldap_entries
+ (
+	id integer not null primary key,
+	dn varchar(255) not null,
+	oc_map_id integer not null references ldap_oc_mappings(id),
+	parent int NOT NULL ,
+	keyval int NOT NULL 
+);
+
+alter table ldap_entries add 
+	constraint unq1_ldap_entries unique
+	(
+		oc_map_id,
+		keyval
+	);  
+
+alter table ldap_entries add
+	constraint unq2_ldap_entries unique
+	(
+		dn
+	);  
+
+drop table ldap_referrals;
+create table ldap_referrals
+ (
+	entry_id integer not null references ldap_entries(id),
+	url varchar(256) not null
+);
+
+drop table ldap_entry_objclasses;
+create table ldap_entry_objclasses
+ (
+	entry_id integer not null references ldap_entries(id),
+	oc_name varchar(64)
+ );
+

servers/slapd/back-sql/rdbms_depend/ibmdb2/backsql_drop.sql

+DROP TABLE ldap_referrals;
+DROP TABLE ldap_entry_objclasses;
+DROP TABLE ldap_attr_mappings;
+DROP TABLE ldap_entries;
+DROP TABLE ldap_oc_mappings;

servers/slapd/back-sql/rdbms_depend/ibmdb2/slapd.conf

+# $OpenLDAP$
+#
+# See slapd.conf(5) for details on configuration options.
+# This file should NOT be world readable.
+#
+include		/usr/local/etc/openldap/schema/core.schema
+include		/usr/local/etc/openldap/schema/cosine.schema
+include		/usr/local/etc/openldap/schema/inetorgperson.schema
+
+# Define global ACLs to disable default read access.
+
+# Do not enable referrals until AFTER you have a working directory
+# service AND an understanding of referrals.
+#referral	ldap://root.openldap.org
+
+pidfile		/usr/local/var/slapd.pid
+argsfile	/usr/local/var/slapd.args
+
+#######################################################################
+# sql database definitions
+#######################################################################
+
+database	sql
+suffix		"o=sql,c=RU"
+rootdn		"cn=root,o=sql,c=RU"
+rootpw		secret
+dbname		ldap_db2
+dbuser		db2inst1
+dbpasswd	ibmdb2
+subtree_cond	"upper(ldap_entries.dn) LIKE CONCAT('%',?)"
+insentry_query	"insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values ((select max(id)+1 from ldap_entries),?,?,?,?)"
+upper_func	"upper"
+

servers/slapd/back-sql/rdbms_depend/ibmdb2/testdb_create.sql

+drop table persons;
+CREATE TABLE persons (
+	id int NOT NULL,
+	name varchar(255) NOT NULL
+);
+
+drop table institutes;
+CREATE TABLE institutes (
+	id int NOT NULL,
+	name varchar(255)
+);
+
+drop table documents;
+CREATE TABLE documents (
+	id int NOT NULL,
+	title varchar(255) NOT NULL,
+	abstract varchar(255)
+);
+
+drop table authors_docs;
+CREATE TABLE authors_docs (
+	pers_id int NOT NULL,
+	doc_id int NOT NULL
+);
+
+drop table phones;
+CREATE TABLE phones (
+	id int NOT NULL ,
+	phone varchar(255) NOT NULL ,
+	pers_id int NOT NULL 
+);
+
+
+
+ALTER TABLE authors_docs  ADD 
+	CONSTRAINT PK_authors_docs PRIMARY KEY  
+	(
+		pers_id,
+		doc_id
+	);
+
+ALTER TABLE documents  ADD 
+	CONSTRAINT PK_documents PRIMARY KEY  
+	(
+		id
+	); 
+
+ALTER TABLE institutes  ADD 
+	CONSTRAINT PK_institutes PRIMARY KEY  
+	(
+		id
+	);  
+
+
+ALTER TABLE persons  ADD 
+	CONSTRAINT PK_persons PRIMARY KEY  
+	(
+		id
+	); 
+
+ALTER TABLE phones  ADD 
+	CONSTRAINT PK_phones PRIMARY KEY  
+	(
+		id
+	); 
+

servers/slapd/back-sql/rdbms_depend/ibmdb2/testdb_data.sql

+insert into institutes (id,name) values (1,'sql');
+
+insert into persons (id,name) values (1,'Mitya Kovalev');
+insert into persons (id,name) values (2,'Torvlobnor Puzdoy');
+insert into persons (id,name) values (3,'Akakiy Zinberstein');
+
+insert into phones (id,phone,pers_id) values (1,'332-2334',1);
+insert into phones (id,phone,pers_id) values (2,'222-3234',1);
+insert into phones (id,phone,pers_id) values (3,'545-4563',2);
+
+insert into documents (id,abstract,title) values (1,'abstract1','book1');
+insert into documents (id,abstract,title) values (2,'abstract2','book2');
+
+insert into authors_docs (pers_id,doc_id) values (1,1);
+insert into authors_docs (pers_id,doc_id) values (1,2);
+insert into authors_docs (pers_id,doc_id) values (2,1);

servers/slapd/back-sql/rdbms_depend/ibmdb2/testdb_drop.sql

+DROP TABLE persons;
+DROP TABLE institutes;
+DROP TABLE documents;
+DROP TABLE authors_docs;
+DROP TABLE phones;

servers/slapd/back-sql/rdbms_depend/ibmdb2/testdb_metadata.sql

+--mappings 
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return)
+values (1,'inetOrgPerson','persons','id','insert into persons (name) values ('''');\n select last_insert_id();',NULL,0);
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return)
+values (2,'document','documents','id',NULL,NULL,0);
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return)
+values (3,'organization','institutes','id',NULL,NULL,0);
+
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (1,1,'cn','persons.name','persons',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (2,1,'telephoneNumber','phones.phone','persons,phones',
+        'phones.pers_id=persons.id',NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (3,1,'sn','persons.name','persons',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (4,2,'description','documents.abstract','documents',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (5,2,'documentTitle','documents.title','documents',NULL,NULL,NULL,3,0);
+
+-- insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+-- values (6,2,'documentAuthor','persons.name','persons,documents,authors_docs',
+--         'persons.id=authors_docs.pers_id AND documents.id=authors_docs.doc_id',
+-- 	NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (7,3,'o','institutes.name','institutes',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (8,1,'documentDN','ldap_entries.dn','ldap_entries,documents,authors_docs,persons',
+        'ldap_entries.keyval=documents.id AND ldap_entries.oc_map_id=2 AND authors_docs.doc_id=documents.id AND authors_docs.pers_id=persons.id',
+	NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+values (9,2,'documentAuthor','ldap_entries.dn','ldap_entries,documents,authors_docs,persons',
+        'ldap_entries.keyval=persons.id AND ldap_entries.oc_map_id=1 AND authors_docs.doc_id=documents.id AND authors_docs.pers_id=persons.id',
+	NULL,NULL,3,0);
+	
+-- entries
+	
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (1,'o=sql,c=RU',3,0,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (2,'cn=Mitya Kovalev,o=sql,c=RU',1,1,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (3,'cn=Torvlobnor Puzdoy,o=sql,c=RU',1,1,2);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (4,'cn=Akakiy Zinberstein,o=sql,c=RU',1,1,3);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (5,'documentTitle=book1,o=sql,c=RU',2,1,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval)
+values (6,'documentTitle=book2,o=sql,c=RU',2,1,2);
+	
+	
+-- referrals
+
+insert into ldap_entry_objclasses (entry_id,oc_name)
+values (4,'referral');
+
+insert into ldap_referrals (entry_id,url)
+values (4,'http://localhost');

servers/slapd/back-sql/rdbms_depend/pgsql/backsql_create.sql

+drop table ldap_oc_mappings;
+create table ldap_oc_mappings
+ (
+	id integer not null primary key,
+	name varchar(64) not null,
+	keytbl varchar(64) not null,
+	keycol varchar(64) not null,
+	create_proc varchar(255),
+	delete_proc varchar(255),
+	expect_return int not null
+);
+
+drop table ldap_attr_mappings;
+create table ldap_attr_mappings
+ (
+	id integer not null primary key,
+	oc_map_id integer not null references ldap_oc_mappings(id),
+	name varchar(255) not null,
+	sel_expr varchar(255) not null,
+	sel_expr_u varchar(255),
+	from_tbls varchar(255) not null,
+	join_where varchar(255),
+	add_proc varchar(255),
+	delete_proc varchar(255),
+	param_order int not null,
+	expect_return int not null
+);
+
+drop table ldap_entries;
+create table ldap_entries
+ (
+	id integer not null primary key,
+	dn varchar(255) not null,
+	oc_map_id integer not null references ldap_oc_mappings(id),
+	parent int NOT NULL,
+	keyval int NOT NULL,
+	UNIQUE ( oc_map_id, keyval ),
+	UNIQUE ( dn )
+);
+
+drop table ldap_referrals;
+create table ldap_referrals
+ (
+	entry_id integer not null references ldap_entries(id),
+	url text not null
+);
+
+drop table ldap_entry_objclasses;
+create table ldap_entry_objclasses
+ (
+	entry_id integer not null references ldap_entries(id),
+	oc_name varchar(64)
+ );
+
+----- Apparently PostgreSQL 7.0 does not know concat(); however,
+----- back-sql can be configured to use '||' for string concatenation.
+----- Those who can't live without concat() can uncomment this:
+-- drop function concat(text, text);
+-- create function concat(text, text) returns text as 'select $1 || $2;' language 'sql';
+

servers/slapd/back-sql/rdbms_depend/pgsql/backsql_drop.sql

+DROP TABLE IF EXISTS ldap_referrals;
+
+DROP TABLE IF EXISTS ldap_entry_objclasses;
+
+DROP TABLE IF EXISTS ldap_attr_mappings;
+
+DROP TABLE IF EXISTS ldap_entries;
+
+DROP TABLE IF EXISTS ldap_oc_mappings;

servers/slapd/back-sql/rdbms_depend/pgsql/slapd.conf

+# $OpenLDAP$
+#
+# See slapd.conf(5) for details on configuration options.
+# This file should NOT be world readable.
+#
+include		/usr/local/etc/openldap/schema/core.schema
+include		/usr/local/etc/openldap/schema/cosine.schema
+include		/usr/local/etc/openldap/schema/inetorgperson.schema
+
+# Define global ACLs to disable default read access.
+
+# Do not enable referrals until AFTER you have a working directory
+# service AND an understanding of referrals.
+#referral	ldap://root.openldap.org
+
+pidfile		/usr/local/var/slapd.pid
+argsfile	/usr/local/var/slapd.args
+
+#######################################################################
+# sql database definitions
+#######################################################################
+
+database	sql
+suffix		"o=sql,c=RU"
+rootdn		"cn=root,o=sql,c=RU"
+rootpw		secret
+dbname		PostgreSQL
+dbuser		postgres
+dbpasswd	postgres
+subtree_cond	"upper(ldap_entries.dn) LIKE '%'||?"
+insentry_query	"insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values ((select max(id)+1 from ldap_entries),?,?,?,?)"
+upper_func	"upper"
+strcast_func	"text"
+has_ldapinfo_dn_ru	no
+

servers/slapd/back-sql/rdbms_depend/pgsql/testdb_create.sql

+drop table persons;
+CREATE TABLE persons (
+	id int NOT NULL,
+	name varchar(255) NOT NULL,
+	PRIMARY KEY ( id )
+);
+
+drop table institutes;
+CREATE TABLE institutes (
+	id int NOT NULL,
+	name varchar(255),
+	PRIMARY KEY ( id )
+);
+
+drop table documents;
+CREATE TABLE documents (
+	id int NOT NULL,
+	title varchar(255) NOT NULL,
+	abstract varchar(255),
+	PRIMARY KEY ( id )
+);
+
+drop table authors_docs;
+CREATE TABLE authors_docs (
+	pers_id int NOT NULL,
+	doc_id int NOT NULL,
+	PRIMARY KEY ( pers_id, doc_id )
+);
+
+drop table phones;
+CREATE TABLE phones (
+	id int NOT NULL ,
+	phone varchar(255) NOT NULL ,
+	pers_id int NOT NULL,
+	PRIMARY KEY ( id )
+);
+

servers/slapd/back-sql/rdbms_depend/pgsql/testdb_data.sql

+insert into institutes (id,name) values (1,'sql');
+
+insert into persons (id,name) values (1,'Mitya Kovalev');
+insert into persons (id,name) values (2,'Torvlobnor Puzdoy');
+insert into persons (id,name) values (3,'Akakiy Zinberstein');
+
+insert into phones (id,phone,pers_id) values (1,'332-2334',1);
+insert into phones (id,phone,pers_id) values (2,'222-3234',1);
+insert into phones (id,phone,pers_id) values (3,'545-4563',2);
+
+insert into documents (id,abstract,title) values (1,'abstract1','book1');
+insert into documents (id,abstract,title) values (2,'abstract2','book2');
+
+insert into authors_docs (pers_id,doc_id) values (1,1);
+insert into authors_docs (pers_id,doc_id) values (1,2);
+insert into authors_docs (pers_id,doc_id) values (2,1);

servers/slapd/back-sql/rdbms_depend/pgsql/testdb_drop.sql

+DROP TABLE IF EXISTS persons;
+DROP TABLE IF EXISTS institutes;
+DROP TABLE IF EXISTS documents;
+DROP TABLE IF EXISTS authors_docs;
+DROP TABLE IF EXISTS phones;

servers/slapd/back-sql/rdbms_depend/pgsql/testdb_metadata.sql

+--mappings 
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return) values (1,'inetOrgPerson','persons','id','select create_person()',NULL,0);
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return) values (2,'document','documents','id',NULL,NULL,0);
+
+insert into ldap_oc_mappings (id,name,keytbl,keycol,create_proc,delete_proc,expect_return) values (3,'organization','institutes','id',NULL,NULL,0);
+
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (1,1,'cn','persons.name','persons',NULL,'update persons set name=? where id=?',NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (2,1,'telephoneNumber','phones.phone','persons,phones','phones.pers_id=persons.id',NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (3,1,'sn','persons.name','persons',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (4,2,'description','documents.abstract','documents',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (5,2,'documentTitle','documents.title','documents',NULL,NULL,NULL,3,0);
+
+-- insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return)
+-- values (6,2,'documentAuthor','persons.name','persons,documents,authors_docs',
+--         'persons.id=authors_docs.pers_id AND documents.id=authors_docs.doc_id',
+-- 	NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (7,3,'o','institutes.name','institutes',NULL,NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (8,1,'documentDN','ldap_entries.dn','ldap_entries,documents,authors_docs,persons','ldap_entries.keyval=documents.id AND ldap_entries.oc_map_id=2 AND authors_docs.doc_id=documents.id AND authors_docs.pers_id=persons.id',NULL,NULL,3,0);
+
+insert into ldap_attr_mappings (id,oc_map_id,name,sel_expr,from_tbls,join_where,add_proc,delete_proc,param_order,expect_return) values (9,2,'documentAuthor','ldap_entries.dn','ldap_entries,documents,authors_docs,persons','ldap_entries.keyval=persons.id AND ldap_entries.oc_map_id=1 AND authors_docs.doc_id=documents.id AND authors_docs.pers_id=persons.id',NULL,NULL,3,0);
+	
+-- entries
+	
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (1,'o=sql,c=RU',3,0,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (2,'cn=Mitya Kovalev,o=sql,c=RU',1,1,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (3,'cn=Torvlobnor Puzdoy,o=sql,c=RU',1,1,2);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (4,'cn=Akakiy Zinberstein,o=sql,c=RU',1,1,3);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (5,'documentTitle=book1,o=sql,c=RU',2,1,1);
+
+insert into ldap_entries (id,dn,oc_map_id,parent,keyval) values (6,'documentTitle=book2,o=sql,c=RU',2,1,2);
+	
+	
+-- referrals
+
+insert into ldap_entry_objclasses (entry_id,oc_name) values (4,'referral');
+
+insert into ldap_referrals (entry_id,url) values (4,'http://localhost');
+
+-- procedures
+
+create function create_person () returns int
+	as 'insert into persons (id,name) values ((select max(id)+1 from persons),'''');
+	select max(id) from persons'
+language 'sql';
+