International Business Machines Corporation

Keith Caceres

Thomas Bradley Allen

Michael Henry D'Amico

Barry Mark Caceres

Brand Lee Hunt

Maria Nichole Schwenger

Kathleen Miyoko Nojima

The present invention generally is directed to a system, method and article of constructing queries from a set of query conditions. The query conditions are grouped using logical operators to generate a database query. Query conditions within a group may be connected using a logical 'OR' operator and groups of query conditions may be connected using a logical 'AND' operator. Once generated, the database query may be presented to a user for review.

Determining Boolean logic and operator precedence of query conditions

Provided are a method, system, and article of manufacture for a query predicate generator to construct a database query predicate from received query conditions. A plurality of query conditions are received, wherein each query condition includes a comparison operator and a comparison value for a database attribute, and wherein the comparison operator is capable of comprising matching and non-matching operators. The query conditions are processed to determine at least one logical operator to include between the query conditions. A database query predicate is generated to use in a database query to apply against the database comprising the received query conditions chained using the determined logical operators.

Query predicate generator to construct a database query predicate from received query conditions

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Keith Caceres