DRILL-8554: Update Jackcess and Fix Linked Table Issue - #3080
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DRILL-8554: Update Jackcess and Fix Linked Table Issue
Description
This PR bumps Jackcess to version 4.0.11. Additionally MS Access files with linked tables can potentially allow access to unauthorized files or malicious code. This PR adds a configuration variable to prohibit linked tables from being scanned. It defaults to
false.Documentation
An Access file can define tables that live in another database file, referenced by an absolute local path or a UNC
share embedded in the file itself. Drill refuses to follow those references by default: reading an untrusted file
would otherwise make the Drillbit open a path of the file author's choosing, as the Drillbit service account.
If you trust the files being queried and need linked tables to work, set
allowLinkedDatabasestotrue:Testing
Added additional unit tests to existing MS Access unit tests.