Schema viewer should expose partitioned columns

[fbertsch]

This only applies to tables which have partitions, i.e. just those in the Hive metastore (unless some RDBMS tables are sharded but... let's not go there). Exposing this information would make it easier to say to people "filter on partitions!" rather than have that be intimate knowledge for each dataset.

[alison985]

@fbertsch To make sure I'm understanding this right: in Hive data sources display to the user which columns there are partitions on. Perhaps with a [P] designation next to the field name?

[fbertsch]

@alison985 right - here is an example DESCRIBE query output - I've highlighted the partitions descriptions: https://pastebin.mozilla.org/9029373

[P] could work, something that goes along with whatever the schema browser's type information looks like (which I haven't seen yet).

[alison985]

@fbertsch That pastebin doesn't work for me. Could you try again or another way please?

[fbertsch]

@alison985 https://pastebin.mozilla.org/9029674

[alison985]

Thanks. PR #201