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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 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Process</a></li></ul></div></div></section></div><script> |
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| ~ Licensed to the Apache Software Foundation (ASF) under one |
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| <p>The DumpSegment tool can be used to dump the metadata or contents of an Apache Druid segment for debugging purposes. Note that the |
| dump is not necessarily a full-fidelity translation of the segment. In particular, not all metadata is included, and |
| complex metric values may not be complete.</p> |
| <p>To run the tool, point it at a segment directory and provide a file for writing output:</p> |
| <pre><code class="hljs">java -classpath <span class="hljs-string">"/my/druid/lib/*"</span> -Ddruid<span class="hljs-selector-class">.extensions</span>.loadList=<span class="hljs-string">"[]"</span> org<span class="hljs-selector-class">.apache</span><span class="hljs-selector-class">.druid</span><span class="hljs-selector-class">.cli</span><span class="hljs-selector-class">.Main</span> \ |
| tools dump-segment \ |
| --directory /home/druid/path/to/segment/ \ |
| --out /home/druid/output<span class="hljs-selector-class">.txt</span> |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="output-format"></a><a href="#output-format" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Output format</h3> |
| <h4><a class="anchor" aria-hidden="true" id="data-dumps"></a><a href="#data-dumps" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Data dumps</h4> |
| <p>By default, or with <code>--dump rows</code>, this tool dumps rows of the segment as newline-separate JSON objects, with one |
| object per line, using the default serialization for each column. Normally all columns are included, but if you like, |
| you can limit the dump to specific columns with <code>--column name</code>.</p> |
| <p>For example, one line might look like this when pretty-printed:</p> |
| <pre><code class="hljs">{ |
| <span class="hljs-attr">"__time"</span>: <span class="hljs-number">1442018818771</span>, |
| <span class="hljs-attr">"added"</span>: <span class="hljs-number">36</span>, |
| <span class="hljs-attr">"channel"</span>: <span class="hljs-string">"#en.wikipedia"</span>, |
| <span class="hljs-attr">"cityName"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"comment"</span>: <span class="hljs-string">"added project"</span>, |
| <span class="hljs-attr">"count"</span>: <span class="hljs-number">1</span>, |
| <span class="hljs-attr">"countryIsoCode"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"countryName"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"deleted"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"delta"</span>: <span class="hljs-number">36</span>, |
| <span class="hljs-attr">"isAnonymous"</span>: <span class="hljs-string">"false"</span>, |
| <span class="hljs-attr">"isMinor"</span>: <span class="hljs-string">"false"</span>, |
| <span class="hljs-attr">"isNew"</span>: <span class="hljs-string">"false"</span>, |
| <span class="hljs-attr">"isRobot"</span>: <span class="hljs-string">"false"</span>, |
| <span class="hljs-attr">"isUnpatrolled"</span>: <span class="hljs-string">"false"</span>, |
| <span class="hljs-attr">"iuser"</span>: <span class="hljs-string">"00001553"</span>, |
| <span class="hljs-attr">"metroCode"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"namespace"</span>: <span class="hljs-string">"Talk"</span>, |
| <span class="hljs-attr">"page"</span>: <span class="hljs-string">"Talk:Oswald Tilghman"</span>, |
| <span class="hljs-attr">"regionIsoCode"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"regionName"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"user"</span>: <span class="hljs-string">"GELongstreet"</span> |
| } |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="metadata-dumps"></a><a href="#metadata-dumps" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Metadata dumps</h4> |
| <p>With <code>--dump metadata</code>, this tool dumps metadata instead of rows. Metadata dumps generated by this tool are in the same |
| format as returned by the <a href="/docs/26.0.0/querying/segmentmetadataquery.html">SegmentMetadata query</a>.</p> |
| <h4><a class="anchor" aria-hidden="true" id="bitmap-dumps"></a><a href="#bitmap-dumps" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Bitmap dumps</h4> |
| <p>With <code>--dump bitmaps</code>, this tool will dump bitmap indexes instead of rows. Bitmap dumps generated by this tool include |
| dictionary-encoded string columns only. The output contains a field "bitmapSerdeFactory" describing the type of bitmaps |
| used in the segment, and a field "bitmaps" containing the bitmaps for each value of each column. These are base64 |
| encoded by default, but you can also dump them as lists of row numbers with <code>--decompress-bitmaps</code>.</p> |
| <p>Normally all columns are included, but if you like, you can limit the dump to specific columns with <code>--column name</code>.</p> |
| <p>Sample output:</p> |
| <pre><code class="hljs">{ |
| <span class="hljs-attr">"bitmapSerdeFactory"</span>: { |
| <span class="hljs-attr">"type"</span>: <span class="hljs-string">"roaring"</span> |
| }, |
| <span class="hljs-attr">"bitmaps"</span>: { |
| <span class="hljs-attr">"isRobot"</span>: { |
| <span class="hljs-attr">"false"</span>: <span class="hljs-string">"//aExfu+Nv3X..."</span>, |
| <span class="hljs-attr">"true"</span>: <span class="hljs-string">"gAl7OoRByQ..."</span> |
| } |
| } |
| } |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="nested-column-dumps"></a><a href="#nested-column-dumps" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Nested column dumps</h4> |
| <p>With <code>--dump nested</code>, this tool can be used to examine Druid <a href="/docs/26.0.0/querying/nested-columns.html">nested columns</a>. Using |
| <code>nested</code> always requires exactly one <code>--column name</code> argument, and takes an optional argument to specify a specific |
| nested field in <a href="/docs/26.0.0/querying/sql-json-functions.html#jsonpath-syntax">JSONPath syntax</a>, <code>--nested-path $.path.to.field</code>. |
| If <code>--nested-path</code> is not specified, the output will contain the list of nested fields and their types, the global |
| value dictionaries, and the list of null rows.</p> |
| <p>Sample output:</p> |
| <pre><code class="hljs css language-json">{ |
| <span class="hljs-attr">"nest"</span>: { |
| <span class="hljs-attr">"fields"</span>: [ |
| { |
| <span class="hljs-attr">"path"</span>: <span class="hljs-string">"$.x"</span>, |
| <span class="hljs-attr">"types"</span>: [ |
| <span class="hljs-string">"LONG"</span> |
| ] |
| }, |
| { |
| <span class="hljs-attr">"path"</span>: <span class="hljs-string">"$.y"</span>, |
| <span class="hljs-attr">"types"</span>: [ |
| <span class="hljs-string">"DOUBLE"</span> |
| ] |
| }, |
| { |
| <span class="hljs-attr">"path"</span>: <span class="hljs-string">"$.z"</span>, |
| <span class="hljs-attr">"types"</span>: [ |
| <span class="hljs-string">"STRING"</span> |
| ] |
| } |
| ], |
| <span class="hljs-attr">"dictionaries"</span>: { |
| <span class="hljs-attr">"strings"</span>: [ |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-literal">null</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">1</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-string">"a"</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">2</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-string">"b"</span> |
| } |
| ], |
| <span class="hljs-attr">"longs"</span>: [ |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">3</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">100</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">4</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">200</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">5</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">400</span> |
| } |
| ], |
| <span class="hljs-attr">"doubles"</span>: [ |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">6</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">1.1</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">7</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">2.2</span> |
| }, |
| { |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">8</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-number">3.3</span> |
| } |
| ], |
| <span class="hljs-attr">"nullRows"</span>: [] |
| } |
| } |
| } |
| </code></pre> |
| <p>If <code>--nested-path</code> is specified, the output will instead contain the types of the nested field, the local value |
| dictionary, including the 'global' dictionary id and value, the uncompressed bitmap index for each value (list of row |
| numbers which contain the value), and a dump of the column itself, which contains the row number, raw JSON form of the |
| nested column itself, the local dictionary id of the field for that row, and the value for the field for the row.</p> |
| <p>Sample output:</p> |
| <pre><code class="hljs css language-json">{ |
| <span class="hljs-attr">"bitmapSerdeFactory"</span>: { |
| <span class="hljs-attr">"type"</span>: <span class="hljs-string">"roaring"</span> |
| }, |
| <span class="hljs-attr">"nest"</span>: { |
| <span class="hljs-attr">"$.x"</span>: { |
| <span class="hljs-attr">"types"</span>: [ |
| <span class="hljs-string">"LONG"</span> |
| ], |
| <span class="hljs-attr">"dictionary"</span>: [ |
| { |
| <span class="hljs-attr">"localId"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-literal">null</span>, |
| <span class="hljs-attr">"rows"</span>: [ |
| <span class="hljs-number">4</span> |
| ] |
| }, |
| { |
| <span class="hljs-attr">"localId"</span>: <span class="hljs-number">1</span>, |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">3</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-string">"100"</span>, |
| <span class="hljs-attr">"rows"</span>: [ |
| <span class="hljs-number">3</span> |
| ] |
| }, |
| { |
| <span class="hljs-attr">"localId"</span>: <span class="hljs-number">2</span>, |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">4</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-string">"200"</span>, |
| <span class="hljs-attr">"rows"</span>: [ |
| <span class="hljs-number">0</span>, |
| <span class="hljs-number">2</span> |
| ] |
| }, |
| { |
| <span class="hljs-attr">"localId"</span>: <span class="hljs-number">3</span>, |
| <span class="hljs-attr">"globalId"</span>: <span class="hljs-number">5</span>, |
| <span class="hljs-attr">"value"</span>: <span class="hljs-string">"400"</span>, |
| <span class="hljs-attr">"rows"</span>: [ |
| <span class="hljs-number">1</span> |
| ] |
| } |
| ], |
| <span class="hljs-attr">"column"</span>: [ |
| { |
| <span class="hljs-attr">"row"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"raw"</span>: { |
| <span class="hljs-attr">"x"</span>: <span class="hljs-number">200</span>, |
| <span class="hljs-attr">"y"</span>: <span class="hljs-number">2.2</span> |
| }, |
| <span class="hljs-attr">"fieldId"</span>: <span class="hljs-number">2</span>, |
| <span class="hljs-attr">"fieldValue"</span>: <span class="hljs-string">"200"</span> |
| }, |
| { |
| <span class="hljs-attr">"row"</span>: <span class="hljs-number">1</span>, |
| <span class="hljs-attr">"raw"</span>: { |
| <span class="hljs-attr">"x"</span>: <span class="hljs-number">400</span>, |
| <span class="hljs-attr">"y"</span>: <span class="hljs-number">1.1</span>, |
| <span class="hljs-attr">"z"</span>: <span class="hljs-string">"a"</span> |
| }, |
| <span class="hljs-attr">"fieldId"</span>: <span class="hljs-number">3</span>, |
| <span class="hljs-attr">"fieldValue"</span>: <span class="hljs-string">"400"</span> |
| }, |
| { |
| <span class="hljs-attr">"row"</span>: <span class="hljs-number">2</span>, |
| <span class="hljs-attr">"raw"</span>: { |
| <span class="hljs-attr">"x"</span>: <span class="hljs-number">200</span>, |
| <span class="hljs-attr">"z"</span>: <span class="hljs-string">"b"</span> |
| }, |
| <span class="hljs-attr">"fieldId"</span>: <span class="hljs-number">2</span>, |
| <span class="hljs-attr">"fieldValue"</span>: <span class="hljs-string">"200"</span> |
| }, |
| { |
| <span class="hljs-attr">"row"</span>: <span class="hljs-number">3</span>, |
| <span class="hljs-attr">"raw"</span>: { |
| <span class="hljs-attr">"x"</span>: <span class="hljs-number">100</span>, |
| <span class="hljs-attr">"y"</span>: <span class="hljs-number">1.1</span>, |
| <span class="hljs-attr">"z"</span>: <span class="hljs-string">"a"</span> |
| }, |
| <span class="hljs-attr">"fieldId"</span>: <span class="hljs-number">1</span>, |
| <span class="hljs-attr">"fieldValue"</span>: <span class="hljs-string">"100"</span> |
| }, |
| { |
| <span class="hljs-attr">"row"</span>: <span class="hljs-number">4</span>, |
| <span class="hljs-attr">"raw"</span>: { |
| <span class="hljs-attr">"y"</span>: <span class="hljs-number">3.3</span>, |
| <span class="hljs-attr">"z"</span>: <span class="hljs-string">"b"</span> |
| }, |
| <span class="hljs-attr">"fieldId"</span>: <span class="hljs-number">0</span>, |
| <span class="hljs-attr">"fieldValue"</span>: <span class="hljs-literal">null</span> |
| } |
| ] |
| } |
| } |
| } |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="command-line-arguments"></a><a href="#command-line-arguments" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Command line arguments</h3> |
| <table> |
| <thead> |
| <tr><th>argument</th><th>description</th><th>required?</th></tr> |
| </thead> |
| <tbody> |
| <tr><td>--directory file</td><td>Directory containing segment data. This could be generated by unzipping an "index.zip" from deep storage.</td><td>yes</td></tr> |
| <tr><td>--output file</td><td>File to write to, or omit to write to stdout.</td><td>yes</td></tr> |
| <tr><td>--dump TYPE</td><td>Dump either 'rows' (default), 'metadata', 'bitmaps', or 'nested' for examining nested columns.</td><td>no</td></tr> |
| <tr><td>--column columnName</td><td>Column to include. Specify multiple times for multiple columns, or omit to include all columns.</td><td>no</td></tr> |
| <tr><td>--filter json</td><td>JSON-encoded <a href="/docs/26.0.0/querying/filters.html">query filter</a>. Omit to include all rows. Only used if dumping rows.</td><td>no</td></tr> |
| <tr><td>--time-iso8601</td><td>Format __time column in ISO8601 format rather than long. Only used if dumping rows.</td><td>no</td></tr> |
| <tr><td>--decompress-bitmaps</td><td>Dump bitmaps as arrays rather than base64-encoded compressed bitmaps. Only used if dumping bitmaps.</td><td>no</td></tr> |
| <tr><td>--nested-path</td><td>Specify a specific nested column field using <a href="/docs/26.0.0/querying/sql-json-functions.html#jsonpath-syntax">JSONPath syntax</a>. Only used if dumping a nested column.</td><td>no</td></tr> |
| </tbody> |
| </table> |
| </span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/26.0.0/operations/other-hadoop.html"><span class="arrow-prev">← </span><span>Working with different versions of Apache Hadoop</span></a><a class="docs-next button" href="/docs/26.0.0/operations/reset-cluster.html"><span>reset-cluster tool</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p><a href="/technology">Technology</a> · <a href="/use-cases">Use Cases</a> · <a href="/druid-powered">Powered by Druid</a> · <a href="/docs/26.0.0/">Docs</a> · <a href="/community/">Community</a> · <a href="/downloads.html">Download</a> · <a href="/faq">FAQ</a></p></div><div class="text-center"><a title="Join the user group" href="https://groups.google.com/forum/#!forum/druid-user" target="_blank"><span class="fa fa-comments"></span></a> · <a title="Follow Druid" href="https://twitter.com/druidio" target="_blank"><span class="fab fa-twitter"></span></a> · <a title="Download via Apache" href="https://www.apache.org/dyn/closer.cgi?path=/incubator/druid/{{ site.druid_versions[0].versions[0].version }}/apache-druid-{{ site.druid_versions[0].versions[0].version }}-bin.tar.gz" target="_blank"><span class="fas fa-feather"></span></a> · <a title="GitHub" href="https://github.com/apache/druid" target="_blank"><span class="fab fa-github"></span></a></div><div class="text-center license">Copyright © 2022 <a href="https://www.apache.org/" target="_blank">Apache Software Foundation</a>.<br/>Except where otherwise noted, licensed under <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">CC BY-SA 4.0</a>.<br/>Apache Druid, Druid, and the Druid logo are either registered trademarks or trademarks of The Apache Software Foundation in the United States and other countries.</div></div></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script><script> |
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