eriky

body: Center(
  // Center is a layout widget. It takes a single child and positions it
  // in the middle of the parent.
  child: Column(
    // Column is also a layout widget. It takes a list of children and
    // arranges them vertically. By default, it sizes itself to fit its
    // children horizontally, and tries to be as tall as its parent.
    mainAxisAlignment: MainAxisAlignment.center,
    children: [
      // Lets create a big fat mouse icon :)

eriky

curl -XPUT "http://localhost:9200/twitter/_mapping" -H 'Content-Type: application/json' -d'
{
 "properties": {
  "post_time": { "type": "date" },
  "username":  { "type": "keyword" },
  "message":   { "type": "text" }
 }
}'

eriky

curl -X POST "localhost:9200/twitter/_doc/?pretty" -H 'Content-Type: application/json' -d'
{
    "user" : "eriky",
    "post_date" : "2019-12-08T14:12:12",
    "message" : "Who loves Elasticsearch?"
}
'

eriky

{
  "_index" : "twitter",
  "_type" : "_doc",
  "_id" : "kZ5G224BweuuP0wE7KiO",
  "_version" : 1,
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0

eriky

curl -X PUT "localhost:9200/twitter?pretty" -H 'Content-Type: application/json' -d'
{
  "settings" : {
    "number_of_shards" : 1,
    "number_of_replicas" : 0
  }
}'

eriky

#!/usr/bin/env bash
set -e -x

tweets=$(cat <<-END
{ "username" : "eriky", "post_date" : "2019-12-08T14:10:12", "message" : "I wrote an article on Elasticsearch" }
{ "username" : "elon", "post_date" : "2019-12-08T14:16:12", "message" : "Anyone needs a flight to Mars? I have seats available." }
{ "username" : "eriky", "post_date" : "2019-12-08T15:10:12", "message" : "@elon Count me in! I love Mars (and Elasticsearch)" }
{ "username" : "kimchy", "post_date" : "2019-12-08T15:30:22", "message" : "@eriky I it too (Elasticsearch, not Mars)" }
END
)

eriky

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {

eriky

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {

eriky

curl -X GET "localhost:9200/twitter/_search?pretty" -H 'Content-Type: application/json' -d'
{
  "query" : {
    "term" : { "username" : "kimchy" }
  }
}
'

eriky

curl -X GET "localhost:9200/twitter/_search?pretty" -H 'Content-Type: application/json' -d'
{
  "query": {
    "bool": {
      "filter": [
        { "term": { "username": "eriky"   }},
        { "range": { "post_date": { "lte": "2020-01-01" }}}
      ]
    }
  }