Hi
I believe this is not the first topic for this sort of questions.
What i wanted to achieve is to be able to effectively query for in generic
structure of entities (lets say categories)
{
"mdm" : {
"mappings" : {
"categories" : {
"_parent" : {
"type" : "categories"
},
"_routing" : {
"required" : true
},
"properties" : {
"category_description" : {
"type" : "string"
},
"category_id" : {
"type" : "long"
},
"category_parent" : {
"type" : "string"
},
"category_path" : {
"type" : "string"
},
"category_title" : {
"type" : "string"
}
}
}
}
}
}
If put some data to index
{"category_id":10000,"category_title":"clothes","category_description":"all
clothes", "category_path" :"10000"}
{"category_id":10001,"category_title":"shirts","category_description":"just
shirts clothes", "category_parent" : "10000" ,"category_path"
:"10000/10001"}
{"category_id":10002,"category_title":"summer
shirt","category_description":"just summer clothes", "category_parent" :
"10001", "category_path" :"10000/10001/10002"}
{"category_id":10003,"category_title":"baby
shirt","category_description":"just baby clothes", "category_parent" :
"10001", "category_path" :"10000/10001/10003"}
{"category_id":10004,"category_title":"boys baby
","category_description":"just a boy baby shirts", "category_parent" :
"10003", "category_path" :"10000/10001/10003/10004"}
{"category_id":10005,"category_title":"girls baby
","category_description":"just a girl baby shirts", "category_parent" :
"10003", "category_path" :"10000/10001/10003/10005"}
{"category_id":10006,"category_title":"trouses","category_description":"all
trouses", "category_parent" : "10000" ,"category_path" :"10000/10006"}
{"category_id":10007,"category_title":"jeans","category_description":"all
jeans", "category_parent" : "10006" ,"category_path" :"10000/10006/10007"}
{"category_id":10008,"category_title":"chinos","category_description":"chinos
jeans", "category_parent" : "10006" ,"category_path" :"10000/10006/10008"}
{"category_id":10009,"category_title":"chinos +
tshirt","category_description":"chinos jeans", "category_parent" : "10009"
,"category_path" :"10000/10006/10008/10009"}
I wan't to fullfill my business use case
UC1 : Give me all sub categories of the given one for its title,
description ....
Addtionally I have put the calculated category_path to be able to easier
navigate through out the tree.
The question is this possible (ideally only query time, without providing
any flatting fields) to query and fullfill the UC1.
I have tried a query like
{
"query" : {
"match_all" : { }
},
"post_filter" : {
"has_parent" : {
"query" : {
"match" : {
"category_title" : {
"query" : "*shirt",
"type" : "boolean"
}
}
},
"parent_type" : "categories"
}
},
"explain" : true
}
{
"query" : {
"match_all" : { }
},
"post_filter" : {
"has_parent" : {
"query" : {
"regexp" : {
"category_title" : {
"value" : ".*shirt"
}
}
},
"parent_type" : "categories"
}
},
"explain" : true
}
But it is not working as it should - reading documentation it also has no
capabilities to work in tree like manner.
Is it possible to get within one query for criteria like : "category_title"
: "*shirt"
And retrieve the data from different sub tree branches with in one query
???
{"category_id":10002,"category_title":"summer
shirt","category_description":"just summer clothes", "category_parent" :
"10001", "category_path" :"10000/10001/10002"}
{"category_id":10003,"category_title":"baby
shirt","category_description":"just baby clothes", "category_parent" :
"10001", "category_path" :"10000/10001/10003"}
{"category_id":10004,"category_title":"boys baby
","category_description":"just a boy baby shirts", "category_parent" :
"10003", "category_path" :"10000/10001/10003/10004"}
{"category_id":10005,"category_title":"girls baby
","category_description":"just a girl baby shirts", "category_parent" :
"10003", "category_path" :"10000/10001/10003/10005"}
{"category_id":10009,"category_title":"chinos +
t-shirt","category_description":"chinos jeans", "category_parent" : "10009"
,"category_path" :"10000/10006/10008/10009"}
Regards M.
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