Most applications store data in relational databases or XML files and searching over such data is a common use-case.

updating data in a dataset-63

The root entity is the central table whose columns can be used to join this table with other child entities.

This is a relational model of the same schema that Solr currently ships with.

We will use this as an example to build a for Data Import Handler.

We've created a sample database with this schema using HSQLDB.

There is an implicit attribute "name" for a datasource.

If there are more than one, each extra datasource must be identified by a unique name represents one kind of document. A root entity can contain multiple sub-entities which in turn can contain other entities.

An entity is a table/view in a relational database. Each field corresponds to a column in the resultset returned by the In order to get data from the database, our design philosophy revolves around 'templatized sql' entered by the user for each entity.

This gives the user the entire power of SQL if he needs it.

To run it, do the following steps: Here, the root entity is a table called "item" whose primary key is a column "id".