XapianValueWeightPostingSource: Xapian-GLib Reference Manual

XapianValueWeightPostingSource

XapianValueWeightPostingSource — Value weight posting source

Functions

xapian_value_weight_posting_source_new ()

Object Hierarchy

    GObject
    ╰── XapianPostingSource
        ╰── XapianValuePostingSource
            ╰── XapianValueWeightPostingSource

Description

XapianValueWeightPostingSource is a posting source which reads weights from a value slot.

This returns entries for all documents in the given database which have a non empty values in the specified slot. It returns a weight calculated by applying sortable_unserialise to the value stored in the slot (so the values stored should probably have been calculated by applying sortable_serialise to a floating point number at index time).

Functions

xapian_value_weight_posting_source_new ()

XapianValueWeightPostingSource *
xapian_value_weight_posting_source_new
                               (unsigned int slot,
                                GError **error);

If the initializion failed, error is set, and this function will return NULL.

Parameters

slot	slot in the database entries to use for source
error	return location for a GError, or `NULL`

Returns

the newly created XapianValueWeightPostingSource instance.

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Since: 1.2