I want to index mysql database in solr using the Data Import Handler.
I have made two tables. The first table holds the metadata of a file.
create table filemetadata (
id varchar(20) primary key ,
filename varchar(50),
path varchar(200),
size varchar(10),
author varchar(50)
) ;
+-------+-------------+---------+------+---------+
| id | filename | path | size | author |
+-------+-------------+---------+------+---------+
| 1 | abc.txt | c:\files | 2kb | eric |
+-------+-------------+---------+------+---------+
| 2 | xyz.docx | c:\files | 5kb | john |
+-------+-------------+---------+------+---------+
| 3 | pqr.txt |c:\files | 10kb | mike |
+-------+-------------+---------+------+---------+
The second table contains the "favourite" info about a particular file in
the above table.
create table filefav (
fid varchar(20) primary key ,
id varchar(20),
favouritedby varchar(300),
favouritedtime varchar(10),
FOREIGN KEY (id) REFERENCES filemetadata(id)
) ;
+--------+------+-----------------+----------------+
| fid | id | favouritedby | favouritedtime |
+--------+------+-----------------+----------------+
| 1 | 1 | ross | 22:30 |
+--------+------+-----------------+----------------+
| 2 | 1 | josh | 12:56 |
+--------+------+-----------------+----------------+
| 3 | 2 | johny | 03:03 |
+--------+------+-----------------+----------------+
| 4 | 2 | sean | 03:45 |
+--------+------+-----------------+----------------+
here "id' is a foreign key. The second table is showing which person has
marked which document as his/her favourite. Eg the file abc.txt represented
by id = 1 has been marked favourite (see column favouritedby) by ross and
josh.
I want to index the the files as follows:
each document should have the following fields
id - to be taken from the first table filemetadata
filename - to be taken from the first table filemetadata
path - to be taken from the first table filemetadata
size - to be taken from the first table filemetadata
author - to be taken from the first table filemetadata
Favouritedby - this field should contain the names of all the people
from table 2 filefav (from the favouritedby column) who like that particular
file.
eg after indexing doc 1 should have
id = 1
filename = abc.txt
path = c:\files
size = 2kb
author = eric
favourited by - ross , josh
How Do I achieve this?
I have written a data-config.xml (which is not giving the desired result) as
follows
<dataConfig>
<dataSource type="JdbcDataSource" driver="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/test" user="root" password="root" />
<document name="filemetadata">
<entity name="restaurant" query="select * from filemetadata">
<field column="id" name="id" />
<entity name="filefav" query="select favouritedby from filefav where
id=${filemetadata.id}">
<field column="favouritedby" name="favouritedby1" />
</entity>
<field column="filename" name="name1" />
<field column="path" name="path1" />
<field column="size" name="size1" />
<field column="author" name="author1" />
</entity>
</document>
</dataConfig>
Can anyone explain how do i achieve this?
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