Query posts by custom taxonomy ID

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I have a custom post type called portfolio and a custom taxonomy called build-type (acting as categories)

I am trying to query portfolio posts by build-type ID e.g. all Portfolio posts in “Hotels” (id=4 for that taxonomy)

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// gets the ID from a custom field to show posts on a specific page   
$buildType = get_post_meta($post->ID, 'build_type_id', true);
// run query
query_posts(array( 
    'post_type' => 'portfolio',
    'showposts' => -1,
    'tax_query' => array(
        'taxonomy' => 'build-type',
        'terms' => $buildType,
        'field' => 'term_id'
    ),
    'orderby' => 'title',
    'order' => 'ASC'
));

Currently it’s calling all portfolio posts and not just those with the build-type ID

For 'field' => 'term_id' should I be using term_id, tag_ID, id or something else?

Anyone know how to get this working?

Thanks in advance!

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2 comments

  1. I solved it with help from: https://wordpress.stackexchange.com/questions/30476/query-posts-by-custom-taxonomy-id

    tax-query needs to be an array of arrays

    The final solution is:

    // gets the ID from a custom field to show posts on a specific page
$buildType = get_post_meta($post->ID, 'build_type_id', true);
// run query
query_posts(array( 
    'post_type' => 'portfolio',
    'showposts' => -1,
    'tax_query' => array(
        array(
            'taxonomy' => 'build-type',
            'terms' => $buildType,
            'field' => 'term_id',
        )
    ),
    'orderby' => 'title',
    'order' => 'ASC' )
);

    On github here:

    https://gist.github.com/1275191

  2. I’m not a WP-gury and I have invested hours and hours trying to solve the same problem. Eventually I found this blog post: http://richardsweeney.com/blog/wordpress-3-0-custom-queries-post-types-and-taxonomies/

    The answer is somewhat semi-bad: apparently you can’t filter like this for custom post types (it is only possible for posts), which is a shame!

    What I did work was this:

    $args[‘custom_tax’] = ‘custom_tax_slug’;
    query_posts($args);

    Hope it helps!

    //Mike