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README.md

转自 https://github.com/freedev/solr-import-export-json

根据自己需要做对应修改

solr-import-export-json

Import/Export (or Restore/Backup) a Solr collection from/to a json file.

As the title states, this little project will help you to save your collection in json format and restore it where and when you need.

Please report issues at https://github.com/freedev/solr-import-export-json/issues

Install

To execute this console app you need to satisfy few dependency (java 8, git, maven), if you are a java developer probably you already have everything, on the other hand if not if you have Linux execute the following commands:

sudo apt-get update
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk
sudo apt-get install maven

git clone https://github.com/freedev/solr-import-export-json.git
cd solr-import-export-json
mvn clean package

Now you're ready.

How to use it

This is the list of command line parameters.

 usage: myapp [-a <arg>] [-d] [-D] [-f <arg>] [-h] [-k <arg>] [-o <arg>]
    [-s <arg>] [-S <arg>]
 solr-import-export-json

 -a,--actionType <arg>    action type [import|export|backup|restore]
 -d,--deleteAll           delete all documents before import
 -D,--dryRun              dry run test
 -f,--filterQuery <arg>   filter Query during export
 -h,--help                help
 -k,--uniqueKey <arg>     specify unique key for deep paging
 -o,--output <arg>        output file
 -s,--solrUrl <arg>       solr url
 -S,--skipFields <arg>    comma separated fields list to skip during
                          export/import, this field accepts start and end
                          wildcard *. So you can specify skip all fields
                          starting with name_*

Real life examples

export all documents into a json file

./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json

import documents from json

./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json 

export part of documents, like adding a fq Solr parameter to the export

 ./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --filterQuery field:value

import documents from json but first delete all documents in the collection

 ./run.sh -s http://localhost:8983/solr/collection -a import -o /tmp/collection.json --deleteAll

export documents and skip few fields. In the example the will be skipped the fields: field1_a, all the fields starting with field2_ and all the fields ending with _date

 ./run.sh -s http://localhost:8983/solr/collection -a export -o /tmp/collection.json --skipFields field1_a,field2_*,*_date

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