Query time 0.00038
JSON explain
{
"query_block": {
"select_id": 1,
"nested_loop": [
{
"read_sorted_file": {
"filesort": {
"sort_key": "cscart_images_links.position, cscart_images_links.pair_id",
"table": {
"table_name": "cscart_images_links",
"access_type": "ref",
"possible_keys": ["object_id"],
"key": "object_id",
"key_length": "81",
"used_key_parts": ["object_id", "object_type", "type"],
"ref": ["const", "const", "const"],
"rows": 1,
"filtered": 100,
"index_condition": "cscart_images_links.object_type = 'blog' and cscart_images_links.`type` = 'M'",
"attached_condition": "cscart_images_links.object_id <=> '42' and cscart_images_links.object_type <=> 'blog' and cscart_images_links.`type` <=> 'M'"
}
}
}
},
{
"table": {
"table_name": "cscart_images",
"access_type": "eq_ref",
"possible_keys": ["PRIMARY"],
"key": "PRIMARY",
"key_length": "4",
"used_key_parts": ["image_id"],
"ref": ["u358358020_main.cscart_images_links.image_id"],
"rows": 1,
"filtered": 100
}
},
{
"table": {
"table_name": "cscart_common_descriptions",
"access_type": "eq_ref",
"possible_keys": ["PRIMARY"],
"key": "PRIMARY",
"key_length": "108",
"used_key_parts": ["object_id", "lang_code", "object_holder"],
"ref": ["u358358020_main.cscart_images.image_id", "const", "const"],
"rows": 1,
"filtered": 100,
"attached_condition": "trigcond(cscart_common_descriptions.object_holder = 'images' and cscart_common_descriptions.lang_code = 'en' and trigcond(cscart_images.image_id is not null))"
}
}
]
}
}