Changing datatype

Elastic Stack Elasticsearch
1

Hi,

How can we change the mapped data type , from string to integer.

$ curl -XPUT 'http://localhost:9200/songs/song/_mapping' -d '
{
"song" : {
"properties" : {
"position" : {"type" : "integer"}
}
}
}

When i had tried this, i am getting error

{"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"mapper [position] cannot be changed from type [string] to [int]"}],"type":"illegal_argument_exception","reason":"mapper [position] cannot be changed from type [string] to [int]"},"status":400}

Thanks

Thanigaivelan

2

You need to reindex the data, you cannot just change it.

3

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