SPQL: SPecies Query Language
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Revision as of 18:09, 25 March 2013 by Leonardo.candela (Talk | contribs)
SPQL is a language used to query the Species Product Discovery Service
Grammar
query: terms (IN identifiers)? (WHERE expressions)? (RETURN returnExpression)? terms: term (',' term)* term: words AS (('ScientificName'|'SN') | ('CommonName'|'CN')) words: word (',' word)* word : STRING identifiers: identifier (',' identifier)* identifier: ID expressions: expression (AND expression)* expression: (bc=boundCondition | dateCondition) boundCondition: ('lowerBound' | 'upperBound') IS coordinate dateCondition: ('fromDate' | 'toDate') IS date date: INT '/' INT '/' INT coordinate: FLOAT ',' FLOAT returnExpression: '*' | 'Occurrence' | 'Taxon' havingExpression: HAVING 'Occurrence' | 'Taxon'