Bug with suggest feature when you have a source field at the root of your mapping

Elastic Stack Elasticsearch
1

Hello guys,

I was trying to play with the suggest feature and get a headache when my
first basic example was working but my complexe one wasn't giving results
at all.
I just figured out that when you have a source field at the higher level of
your mapping/document, the suggest feature doesn't return anything.

Here is my mapping which the suggest feature doesn't work :

{
"source" : {
"properties" : {
"domain" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
},
"forum" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
},
"source" : {
"properties" : {
"name" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
}
}
}
}
}
}

Here is my new working one. I just replaced source by toto.

{
"source" : {
"properties" : {
"domain" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
},
"forum" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
},
"toto" : {
"properties" : {
"name" : {
"type" : "completion",
"analyzer" : "autocomplete",
"payloads" : true,
"preserve_separators" : false,
"preserve_position_increments" : false,
"max_input_len" : 50
}
}
}
}
}
}

I've just created a new issue here
: https://github.com/elasticsearch/elasticsearch/issues/5182?source=cc

Thanks

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