在一家商店，我们维持在价格指数最新之前需要很长时间。在分析过程的过程中，我注意到捆绑价格索引器正在使用一个需要40秒才能执行的查询，如果你问我，这个时间太长了。此查询将重复大约8次，因此难怪为什么索引问题如此缓慢。
我能做些什么吗？如果通过Explain分析查询，并且没有给出可以进行的优化。还有其他选择吗？我很乐意听到他们的声音。
查询如下所示：
SELECT `e`.`entity_id`,
`cg`.`customer_group_id`,
`cw`.`website_id`,
IF(IF(Ifnull(tas_tax_class_id.value_id, -1) > 0, tas_tax_class_id.value,
tad_tax_class_id.value) IS NOT NULL, IF(
Ifnull(tas_tax_class_id.value_id, -1) > 0, tas_tax_class_id.value,
tad_tax_class_id.value), 0)
AS
`tax_class_id`,
1
AS `price_type`,
IF(IF(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <= cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100, IF(
Ifnull(tas_special_price.value_id, -1) > 0, tas_special_price.value,
tad_special_price.value), 0)
AS
`special_price`,
tp.min_price
AS `tier_percent`,
IF(IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value,
tad_price.value) IS
NULL, 0, IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value,
tad_price.value))
AS `orig_price`,
IF(IF(IF(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <= cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) > 0,
Round(
IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value, tad_price.value)
* ( IF(
IF
(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <=
cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) / 100
), 4), IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value,
tad_price.value))
AS `price`,
IF(IF(IF(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <= cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) > 0,
Round(
IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value, tad_price.value)
* ( IF(
IF
(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <=
cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) / 100
), 4), IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value,
tad_price.value))
AS `min_price`,
IF(IF(IF(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <= cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) > 0,
Round(
IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value, tad_price.value)
* ( IF(
IF
(ta_special_from_date.value IS NULL, 1, IF(
ta_special_from_date.value <=
cwd.website_date, 1, 0)) > 0
AND IF(ta_special_to_date.value IS NULL, 1, IF(
ta_special_to_date.value >= cwd.website_date, 1, 0)) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) > 0
AND IF(Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value) < 100,
IF(
Ifnull(tas_special_price.value_id, -1) > 0,
tas_special_price.value,
tad_special_price.value), 0
) / 100
), 4), IF(Ifnull(tas_price.value_id, -1) > 0, tas_price.value,
tad_price.value))
AS `max_price`,
IF(tp.min_price IS NOT NULL, Round(IF(Ifnull(tas_price.value_id, -1) > 0,
tas_price.value, tad_price.value)
- (
IF(Ifnull(tas_price.value_id, -1) > 0,
tas_price.value, tad_price.value) * (
tp.min_price / 100 ) ), 4), NULL)
AS
`tier_price`,
IF(tp.min_price IS NOT NULL, Round(IF(Ifnull(tas_price.value_id, -1) > 0,
tas_price.value, tad_price.value)
- (
IF(Ifnull(tas_price.value_id, -1) > 0,
tas_price.value, tad_price.value) * (
tp.min_price / 100 ) ), 4), NULL)
AS
`base_tier`
FROM `catalog_product_entity` AS `e`
CROSS JOIN `customer_group` AS `cg`
CROSS JOIN `core_website` AS `cw`
INNER JOIN `core_store_group` AS `csg`
ON csg.group_id = cw.default_group_id
INNER JOIN `core_store` AS `cs`
ON cs.store_id = csg.default_store_id
INNER JOIN `catalog_product_website` AS `pw`
ON pw.product_id = e.entity_id
AND pw.website_id = cw.website_id
INNER JOIN `catalog_product_index_website` AS `cwd`
ON cw.website_id = cwd.website_id
LEFT JOIN `catalog_product_index_tier_price` AS `tp`
ON tp.entity_id = e.entity_id
AND tp.website_id = cw.website_id
AND tp.customer_group_id = cg.customer_group_id
INNER JOIN `catalog_product_entity_int` AS `tad_status`
ON tad_status.entity_id = e.entity_id
AND tad_status.attribute_id = 80
AND tad_status.store_id = 0
LEFT JOIN `catalog_product_entity_int` AS `tas_status`
ON tas_status.entity_id = e.entity_id
AND tas_status.attribute_id = 80
AND tas_status.store_id = cs.store_id
LEFT JOIN `catalog_product_entity_int` AS `tad_tax_class_id`
ON tad_tax_class_id.entity_id = e.entity_id
AND tad_tax_class_id.attribute_id = 81
AND tad_tax_class_id.store_id = 0
LEFT JOIN `catalog_product_entity_int` AS `tas_tax_class_id`
ON tas_tax_class_id.entity_id = e.entity_id
AND tas_tax_class_id.attribute_id = 81
AND tas_tax_class_id.store_id = cs.store_id
INNER JOIN `catalog_product_entity_int` AS `ta_price_type`
ON ta_price_type.entity_id = e.entity_id
AND ta_price_type.attribute_id = 470
AND ta_price_type.store_id = 0
LEFT JOIN `catalog_product_entity_decimal` AS `tad_price`
ON tad_price.entity_id = e.entity_id
AND tad_price.attribute_id = 60
AND tad_price.store_id = 0
LEFT JOIN `catalog_product_entity_decimal` AS `tas_price`
ON tas_price.entity_id = e.entity_id
AND tas_price.attribute_id = 60
AND tas_price.store_id = cs.store_id
LEFT JOIN `catalog_product_entity_decimal` AS `tad_special_price`
ON tad_special_price.entity_id = e.entity_id
AND tad_special_price.attribute_id = 61
AND tad_special_price.store_id = 0
LEFT JOIN `catalog_product_entity_decimal` AS `tas_special_price`
ON tas_special_price.entity_id = e.entity_id
AND tas_special_price.attribute_id = 61
AND tas_special_price.store_id = cs.store_id
LEFT JOIN `catalog_product_entity_datetime` AS `ta_special_from_date`
ON ta_special_from_date.entity_id = e.entity_id
AND ta_special_from_date.attribute_id = 62
AND ta_special_from_date.store_id = 0
LEFT JOIN `catalog_product_entity_datetime` AS `ta_special_to_date`
ON ta_special_to_date.entity_id = e.entity_id
AND ta_special_to_date.attribute_id = 63
AND ta_special_to_date.store_id = 0
INNER JOIN `cataloginventory_stock_status` AS `ciss`
ON ciss.product_id = e.entity_id
AND ciss.website_id = cw.website_id
WHERE ( e.type_id = 'bundle' )
AND ( IF(Ifnull(tas_status.value_id, -1) > 0, tas_status.value,
tad_status.value) = 1 )
AND ( ta_price_type.value = 1 )
AND ( e.entity_id IN( 99, 228, 248, 249,
251, 252, 257, 263, 275 ) )
AND ( ciss.stock_status = 1 )
答案 0 :(得分：0)
这是一个解释如何减少特定查询的线程。我没有花时间尝试自己，当我这样做时，我会把修复程序作为模块，但更快的方法是将文件的副本放在'code / local'文件夹中。
http://www.magentocommerce.com/boards/viewthread/38818/P90/#t367525