WordPress at a glance
filter is not described

woocommerce_report_out_of_stock_query_from filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_report_out_of_stock_query_from', 'filter_function_name_3612' );
function filter_function_name_3612( $prepare ){
	// filter...

	return $prepare;
}
$prepare
-

Where the hook is called

WC_Report_Out_Of_Stock::get_items()
woocommerce_report_out_of_stock_query_from
woocommerce/includes/admin/reports/class-wc-report-out-of-stock.php 40-53
$query_from = apply_filters(
	'woocommerce_report_out_of_stock_query_from',
	$wpdb->prepare(
		"
		FROM {$wpdb->posts} as posts
		INNER JOIN {$wpdb->wc_product_meta_lookup} AS lookup ON posts.ID = lookup.product_id
		WHERE 1=1
		AND posts.post_type IN ( 'product', 'product_variation' )
		AND posts.post_status = 'publish'
		AND lookup.stock_quantity <= %d
		",
		$stock
	)
);

Where in WP core the hook is used WooCommerce

Usage not found.