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woocommerce
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Switch low stock report to lookup table 

Baseline page load time down from 60s to 0.7s
This commit is contained in:
Mike Jolley 2019-03-12 22:26:46 +00:00
parent a6a035ec92
commit 3b98d2de8d
1 changed files with 14 additions and 10 deletions
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24
includes/admin/reports/class-wc-report-low-in-stock.php
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@ -42,16 +42,20 @@ class WC_Report_Low_In_Stock extends WC_Report_Stock {
$nostock = absint( max( get_option( 'woocommerce_notify_no_stock_amount' ), 0 ) );
$query_from = apply_filters(
'woocommerce_report_low_in_stock_query_from', "FROM {$wpdb->posts} as posts
INNER JOIN {$wpdb->postmeta} AS postmeta ON posts.ID = postmeta.post_id
INNER JOIN {$wpdb->postmeta} AS postmeta2 ON posts.ID = postmeta2.post_id
WHERE 1=1
AND posts.post_type IN ( 'product', 'product_variation' )
AND posts.post_status = 'publish'
AND postmeta2.meta_key = '_manage_stock' AND postmeta2.meta_value = 'yes'
AND postmeta.meta_key = '_stock' AND CAST(postmeta.meta_value AS SIGNED) <= '{$stock}'
AND postmeta.meta_key = '_stock' AND CAST(postmeta.meta_value AS SIGNED) > '{$nostock}'
"
'woocommerce_report_low_in_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
AND lookup.stock_quantity > %d
",
$stock,
$nostock
)
);
$this->items = $wpdb->get_results( $wpdb->prepare( "SELECT posts.ID as id, posts.post_parent as parent {$query_from} GROUP BY posts.ID ORDER BY posts.post_title DESC LIMIT %d, %d;", ( $current_page - 1 ) * $per_page, $per_page ) );