Efficient implementation of lightweight directory access protocol (LDAP) search queries with structured query language (SQL)
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United States of America Patent
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Mar 12, 2002
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Sep 24, 1998
filing date -
Sep 24, 1998
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Abstract
A method of hierarchical LDAP searching in an LDAP directory service having a relational database management system (DBMS) as a backing store. The method begins by parsing an LDAP filter-based query for elements and logical operators of the filter query. For each filter element, the method generates an SQL subquery according to a set of translation rules. For each SQL subquery, the method then generates a set of entry identifiers for the LDAP filter query. Then, the SQL subqueries are combined into a single SQL query according to a set of combination rules chosen corresponding to the logical operators of the LDAP filter query.
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