### Home Classes Methods

### In Files

- ext/r_search.c

### Parent

Ferret::Search::Query

### Methods

- ::new

### Files

- MIT-LICENSE
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No matching classes.

# Ferret::Search::Spans::SpanPrefixQuery

## Summary

A SpanPrefixQuery is the Spans version of PrefixQuery, the only difference being that it returns the start and end offset of all of its matches for use by enclosing SpanQueries.

### Public Class Methods

new(field, prefix, max_terms = 256) → query click to toggle source

Create a new SpanPrefixQuery which matches all documents with the prefix `prefix` in the field `field`.

    static VALUE
    frb_spanprq_init(int argc, VALUE *argv, VALUE self)
    {
        VALUE rfield, rprefix, rmax_terms;
        int max_terms = SPAN_PREFIX_QUERY_MAX_TERMS;
        Query *q;
        if (rb_scan_args(argc, argv, "21", &rfield, &rprefix, &rmax_terms) == 3) {
            max_terms = FIX2INT(rmax_terms);
        }
        q = spanprq_new(frb_field(rfield), StringValuePtr(rprefix));
        ((SpanPrefixQuery *)q)->max_terms = max_terms;
        Frt_Wrap_Struct(self, NULL, &frb_q_free, q);
        object_add(q, self);
        return self;
    }

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