select-tuple ( query/tuple -- tuple/f )
High-level tuple/database integration » High-level tuple/database words

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Vocabulary
db.tuples

Inputs

query/tuple

a tuple

Outputs

tuple/f

a tuple or f

Word description
An SQL query is constructed from the slots of the exemplar tuple that are not f. Returns a single tuple from the database if it matches the query constructed from the exemplar tuple.

See also
each-tuple, select-tuples, count-tuples

Definition

USING: accessors db.tuples.private kernel sequences ;

IN: db.tuples

: select-tuple ( query/tuple -- tuple/f )
    >query 1 >>limit [ tuple>> ] [ query>statement ] bi
    do-select ?first ;