cgivre commented on a change in pull request #2359:
URL: https://github.com/apache/drill/pull/2359#discussion_r766309112
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File path: contrib/format-pdf/README.md
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+# Format Plugin for PDF Table Reader
+One of the most annoying tasks is when you are working on a data science
project and you get data that is in a PDF file. This plugin endeavours to
enable you to query data in
+ PDF tables using Drill's SQL interface.
+
+## Data Model
+Since PDF files generally are not intended to be queried or read by machines,
mapping the data to tables and rows is not a perfect process. The PDF reader
does support
+provided schema.
+
+### Merging Pages
+The PDF reader reads tables from PDF files on each page. If your PDF file has
tables that span multiple pages, you can set the `combinePages` parameter to
`true` and Drill
+will merge all the tables in the PDF file. You can also do this at query time
with the `table()` function.
Review comment:
The way I envisioned this working was for a user to use the `table()`
function and specify the table index at query time. That way they can query as
many incompatible tables as they want and not have to read ones they don't.
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