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- If you want to search for data by a specific attribute in an event stream, one or more events with values for the relevant attribute should be published.
- If you want to carry out faceted extended searches using a specific attribute, the value for that attribute should be entered as follows.
- The complete value should be within square brackets.
- The different categories embedded within the value should be separated by commas.
The following table summarizes the indexing actions required for each search action.
| Persisting Data for Analytics | Publishing Events | ||||
|---|---|---|---|---|---|
| Search Action | Define Attribute as Index Column? | Define Attribute as Facet? | Insert Attribute Value Within Square Brackets? | Separate Sub Values of Attribute Value with Commas? | Insert Sub Values Within Single Quotation Marks? |
| Searching by an attribute | Required | Not required | Not required | Not required | Required if the attribute value contains spaces. |
| Extracting sub categories | Required | Required | Required | Required | Required if the attribute value contains spaces. |
| Performing a drill down search | Required | Required | Required | Required | Required if the attribute value contains spaces. |
| Searching within a value range | Required | Not required | Not required | Not required | Not required |
For detailed instructions to carry out different search actions using examples, see Searching Data By Categories.
Deleting index data
The index data stored in your system can be cleared using one of the following methods.
| Info |
|---|
Index data cannot be deleted by clearing databases. |
- Run the Analytics Data Backup / Restore Tool with the
-deleteTablesargument, specifying the list of event tables for which you want to clear data. For more information, see Analytics Data Backup / Restore Tool. - Clear index data via REST API. For more information, see Clear Index Information of a Given Table via REST API.
- Delete the <DAS_HOME>/repository/data directory.