documents.yaml

user: John Smith
email: john.smith@gmail.com

---

user: Alice Smith
email: john.smith@gmail.com

play.sh

#!/bin/bash

export ELASTICSEARCH_ENDPOINT="http://localhost:9200"

# Create indexes

curl -XPUT "$ELASTICSEARCH_ENDPOINT/play" -d '{
    "settings": {
        "analysis": {}
    },
    "mappings": {}
}'


# Index documents
curl -XPOST "$ELASTICSEARCH_ENDPOINT/_bulk?refresh=true" -d '
{"index":{"_index":"play","_type":"type"}}
{"user":"John Smith","email":"john.smith@gmail.com"}
{"index":{"_index":"play","_type":"type"}}
{"user":"Alice Smith","email":"john.smith@gmail.com"}
'

# Do searches

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "query": {
        "multi_match": {
            "fields": [
                "user",
                "email"
            ],
            "query": "john Sm",
            "operator": "and",
            "type": "phrase_prefix"
        }
    }
}
'

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "query": {
        "prefix": {
            "user": {
                "value": "John"
            }
        }
    }
}
'

play.yaml

# Auto generated by Found's Play-tool at 2013-12-31T15:27:26+01:00
version: 0
title: multi_match with prefix
description: ""

searches.yaml

# In reply to http://stackoverflow.com/questions/20858404/multiple-fields-for-prefix-in-elasticsearch-and-auto-from-and-size-limit
query: 
    multi_match: 
        fields: 
            - user
            - email
        query: john Sm
        operator: and
        type: phrase_prefix
---

query: 
    prefix: 
        user: 
            # This does not match! "john" is what has been indexed.
            value: John