Revision 179
Added by Matt Jones over 24 years ago
pathquery.dtd | ||
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<!ELEMENT querygroup ( (queryterm|querygroup)+ )> |
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<!-- the boolean expression used to combine the query terms in this group --> |
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<!ATTLIST querygroup booleantype (AND|OR) #REQUIRED>
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<!ATTLIST querygroup operator (INTERSECT|UNION) #REQUIRED>
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<!-- a query term is the atomic unit of a query that can be translated |
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to a single SELECT statement --> |
Also available in: Unified diff
fixed QuerySpecification to produce SQL that does UNION or INTERSECT set operations for query group combinations