<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Tutorial: Convert an ingestion spec for SQL-based ingestion · Apache Druid</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><link rel="canonical" href="https://druid.apache.org/docs/26.0.0/tutorials/tutorial-msq-convert-spec.html"/><meta name="generator" content="Docusaurus"/><meta name="description" content="How to convert an ingestion spec to a query for SQL-based ingestion in the web console."/><meta name="docsearch:language" content="en"/><meta name="docsearch:version" content="26.0.0" /><meta property="og:title" content="Tutorial: Convert an ingestion spec for SQL-based ingestion · Apache Druid"/><meta property="og:type" content="website"/><meta property="og:url" content="https://druid.apache.org/index.html"/><meta property="og:description" content="How to convert an ingestion spec to a query for SQL-based ingestion in the web console."/><meta property="og:image" content="https://druid.apache.org/img/druid_nav.png"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://druid.apache.org/img/druid_nav.png"/><link rel="shortcut icon" href="/img/favicon.png"/><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css"/><script async="" src="https://www.googletagmanager.com/gtag/js?id=UA-131010415-1"></script><script>
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sketches</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-retention.html">Configuring data retention</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-update-data.html">Updating existing data</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-compaction.html">Compacting segments</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-delete-data.html">Deleting data</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-ingestion-spec.html">Writing an ingestion spec</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/tutorial-transform-spec.html">Transforming input data</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/tutorials/docker.html">Tutorial: Run with Docker</a></li><li class="navListItem"><a class="navItem" 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href="/docs/26.0.0/development/extensions-core/kafka-ingestion.html">Apache Kafka ingestion</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/development/extensions-core/kafka-supervisor-reference.html">Apache Kafka supervisor</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/development/extensions-core/kafka-supervisor-operations.html">Apache Kafka operations</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/development/extensions-core/kinesis-ingestion.html">Amazon Kinesis</a></li></ul></div><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">Batch ingestion</h4><ul><li class="navListItem"><a class="navItem" href="/docs/26.0.0/ingestion/native-batch.html">Native batch</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/ingestion/native-batch-input-sources.html">Native batch: input sources</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/ingestion/migrate-from-firehose.html">Migrate from firehose</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/ingestion/hadoop.html">Hadoop-based</a></li></ul></div><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">SQL-based ingestion 🆕</h4><ul><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/index.html">Overview</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/concepts.html">Key concepts</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/api.html">API</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/security.html">Security</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/examples.html">Examples</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/multi-stage-query/reference.html">Reference</a></li><li class="navListItem"><a 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class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/topnquery.html">TopN</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/groupbyquery.html">GroupBy</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/scan-query.html">Scan</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/searchquery.html">Search</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/timeboundaryquery.html">TimeBoundary</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/segmentmetadataquery.html">SegmentMetadata</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/datasourcemetadataquery.html">DatasourceMetadata</a></li></ul></div><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">Native query components</h4><ul><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/filters.html">Filters</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/granularities.html">Granularities</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/dimensionspecs.html">Dimensions</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/aggregations.html">Aggregations</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/post-aggregations.html">Post-aggregations</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/misc/math-expr.html">Expressions</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/having.html">Having filters (groupBy)</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/limitspec.html">Sorting and limiting (groupBy)</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/topnmetricspec.html">Sorting (topN)</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/sorting-orders.html">String comparators</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/querying/virtual-columns.html">Virtual columns</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/development/geo.html">Spatial filters</a></li></ul></div></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">Configuration<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/26.0.0/configuration/index.html">Configuration reference</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/development/extensions.html">Extensions</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/configuration/logging.html">Logging</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">Operations<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/26.0.0/operations/web-console.html">Web console</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/operations/java.html">Java runtime</a></li><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">Security</h4><ul><li class="navListItem"><a class="navItem" href="/docs/26.0.0/operations/security-overview.html">Security overview</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/operations/security-user-auth.html">User authentication and authorization</a></li><li class="navListItem"><a class="navItem" href="/docs/26.0.0/operations/auth-ldap.html">LDAP auth</a></li><li 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<blockquote>
<p>This page describes SQL-based batch ingestion using the <a href="/docs/26.0.0/multi-stage-query/index.html"><code>druid-multi-stage-query</code></a>
extension, new in Druid 24.0. Refer to the <a href="/docs/26.0.0/ingestion/index.html#batch">ingestion methods</a> table to determine which
ingestion method is right for you.</p>
</blockquote>
<p>If you're already ingesting data with <a href="/docs/26.0.0/ingestion/native-batch.html">native batch ingestion</a>, you can use the <a href="/docs/26.0.0/operations/web-console.html">web console</a> to convert the ingestion spec to a SQL query that the multi-stage query task engine can use to ingest data.</p>
<p>This tutorial demonstrates how to convert the ingestion spec to a query task in the web console.</p>
<p>To convert the ingestion spec to a query task, do the following:</p>
<ol>
<li><p>In the <strong>Query</strong> view of the web console, navigate to the menu bar that includes <strong>Run</strong>.</p></li>
<li><p>Click the ellipsis icon and select <strong>Convert ingestion spec to SQL</strong>.
<img src="../assets/multi-stage-query/tutorial-msq-convert.png" alt="Convert ingestion spec to SQL" title="Convert ingestion spec to SQL"></p></li>
<li><p>In the <strong>Ingestion spec to covert</strong> window, insert your ingestion spec. You can use your own spec or the sample ingestion spec provided in the tutorial. The sample spec uses data hosted at <code>https://druid.apache.org/data/wikipedia.json.gz</code> and loads it into a table named <code>wikipedia</code>:</p>
<p><details><summary>Show the spec</summary></p>
<pre><code class="hljs css language-json">{
  <span class="hljs-attr">"type"</span>: <span class="hljs-string">"index_parallel"</span>,
  <span class="hljs-attr">"spec"</span>: {
    <span class="hljs-attr">"ioConfig"</span>: {
      <span class="hljs-attr">"type"</span>: <span class="hljs-string">"index_parallel"</span>,
      <span class="hljs-attr">"inputSource"</span>: {
        <span class="hljs-attr">"type"</span>: <span class="hljs-string">"http"</span>,
        <span class="hljs-attr">"uris"</span>: [
          <span class="hljs-string">"https://druid.apache.org/data/wikipedia.json.gz"</span>
        ]
      },
      <span class="hljs-attr">"inputFormat"</span>: {
        <span class="hljs-attr">"type"</span>: <span class="hljs-string">"json"</span>
      }
    },
    <span class="hljs-attr">"tuningConfig"</span>: {
      <span class="hljs-attr">"type"</span>: <span class="hljs-string">"index_parallel"</span>,
      <span class="hljs-attr">"partitionsSpec"</span>: {
        <span class="hljs-attr">"type"</span>: <span class="hljs-string">"dynamic"</span>
      }
    },
    <span class="hljs-attr">"dataSchema"</span>: {
      <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"wikipedia"</span>,
      <span class="hljs-attr">"timestampSpec"</span>: {
        <span class="hljs-attr">"column"</span>: <span class="hljs-string">"timestamp"</span>,
        <span class="hljs-attr">"format"</span>: <span class="hljs-string">"iso"</span>
      },
      <span class="hljs-attr">"dimensionsSpec"</span>: {
        <span class="hljs-attr">"dimensions"</span>: [
          <span class="hljs-string">"isRobot"</span>,
          <span class="hljs-string">"channel"</span>,
          <span class="hljs-string">"flags"</span>,
          <span class="hljs-string">"isUnpatrolled"</span>,
          <span class="hljs-string">"page"</span>,
          <span class="hljs-string">"diffUrl"</span>,
          {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"long"</span>,
            <span class="hljs-attr">"name"</span>: <span class="hljs-string">"added"</span>
          },
          <span class="hljs-string">"comment"</span>,
          {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"long"</span>,
            <span class="hljs-attr">"name"</span>: <span class="hljs-string">"commentLength"</span>
          },
          <span class="hljs-string">"isNew"</span>,
          <span class="hljs-string">"isMinor"</span>,
          {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"long"</span>,
            <span class="hljs-attr">"name"</span>: <span class="hljs-string">"delta"</span>
          },
          <span class="hljs-string">"isAnonymous"</span>,
          <span class="hljs-string">"user"</span>,
          {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"long"</span>,
            <span class="hljs-attr">"name"</span>: <span class="hljs-string">"deltaBucket"</span>
          },
          {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"long"</span>,
            <span class="hljs-attr">"name"</span>: <span class="hljs-string">"deleted"</span>
          },
          <span class="hljs-string">"namespace"</span>,
          <span class="hljs-string">"cityName"</span>,
          <span class="hljs-string">"countryName"</span>,
          <span class="hljs-string">"regionIsoCode"</span>,
          <span class="hljs-string">"metroCode"</span>,
          <span class="hljs-string">"countryIsoCode"</span>,
          <span class="hljs-string">"regionName"</span>
        ]
      },
      <span class="hljs-attr">"granularitySpec"</span>: {
        <span class="hljs-attr">"queryGranularity"</span>: <span class="hljs-string">"none"</span>,
        <span class="hljs-attr">"rollup"</span>: <span class="hljs-literal">false</span>,
        <span class="hljs-attr">"segmentGranularity"</span>: <span class="hljs-string">"day"</span>
      }
    }
  }
}
</code></pre>
<p></details></p></li>
<li><p>Click <strong>Submit</strong> to submit the spec. The web console uses the JSON-based ingestion spec to generate a SQL query that you can use instead. This is what the query looks like for the sample ingestion spec:</p>
<p><details><summary>Show the query</summary></p>
<pre><code class="hljs css language-sql"><span class="hljs-comment">-- This SQL query was auto generated from an ingestion spec</span>
<span class="hljs-keyword">REPLACE</span> <span class="hljs-keyword">INTO</span> wikipedia OVERWRITE <span class="hljs-keyword">ALL</span>
<span class="hljs-keyword">WITH</span> <span class="hljs-keyword">source</span> <span class="hljs-keyword">AS</span> (<span class="hljs-keyword">SELECT</span> * <span class="hljs-keyword">FROM</span> <span class="hljs-keyword">TABLE</span>(
  EXTERN(
    <span class="hljs-string">'{"type":"http","uris":["https://druid.apache.org/data/wikipedia.json.gz"]}'</span>,
    <span class="hljs-string">'{"type":"json"}'</span>,
    <span class="hljs-string">'[{"name":"timestamp","type":"string"},{"name":"isRobot","type":"string"},{"name":"channel","type":"string"},{"name":"flags","type":"string"},{"name":"isUnpatrolled","type":"string"},{"name":"page","type":"string"},{"name":"diffUrl","type":"string"},{"name":"added","type":"long"},{"name":"comment","type":"string"},{"name":"commentLength","type":"long"},{"name":"isNew","type":"string"},{"name":"isMinor","type":"string"},{"name":"delta","type":"long"},{"name":"isAnonymous","type":"string"},{"name":"user","type":"string"},{"name":"deltaBucket","type":"long"},{"name":"deleted","type":"long"},{"name":"namespace","type":"string"},{"name":"cityName","type":"string"},{"name":"countryName","type":"string"},{"name":"regionIsoCode","type":"string"},{"name":"metroCode","type":"string"},{"name":"countryIsoCode","type":"string"},{"name":"regionName","type":"string"}]'</span>
  )
))
<span class="hljs-keyword">SELECT</span>
  TIME_PARSE(<span class="hljs-string">"timestamp"</span>) <span class="hljs-keyword">AS</span> __time,
  <span class="hljs-string">"isRobot"</span>,
  <span class="hljs-string">"channel"</span>,
  <span class="hljs-string">"flags"</span>,
  <span class="hljs-string">"isUnpatrolled"</span>,
  <span class="hljs-string">"page"</span>,
  <span class="hljs-string">"diffUrl"</span>,
  <span class="hljs-string">"added"</span>,
  <span class="hljs-string">"comment"</span>,
  <span class="hljs-string">"commentLength"</span>,
  <span class="hljs-string">"isNew"</span>,
  <span class="hljs-string">"isMinor"</span>,
  <span class="hljs-string">"delta"</span>,
  <span class="hljs-string">"isAnonymous"</span>,
  <span class="hljs-string">"user"</span>,
  <span class="hljs-string">"deltaBucket"</span>,
  <span class="hljs-string">"deleted"</span>,
  <span class="hljs-string">"namespace"</span>,
  <span class="hljs-string">"cityName"</span>,
  <span class="hljs-string">"countryName"</span>,
  <span class="hljs-string">"regionIsoCode"</span>,
  <span class="hljs-string">"metroCode"</span>,
  <span class="hljs-string">"countryIsoCode"</span>,
  <span class="hljs-string">"regionName"</span>
<span class="hljs-keyword">FROM</span> <span class="hljs-keyword">source</span>
PARTITIONED <span class="hljs-keyword">BY</span> <span class="hljs-keyword">DAY</span>
</code></pre>
<p></details></p></li>
<li><p>Review the generated SQL query to make sure it matches your requirements and does what you expect.</p></li>
<li><p>Click <strong>Run</strong> to start the ingestion.</p></li>
</ol>
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