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expr = ibis.literal('20170206').to_timestamp('%Y%m%d')
ibis.common.OperationNotDefinedError: No translation rule for <class 'ibis.expr.operations.StringToTimestamp'>
Backend=MapD_4.1.1 ibis=0.14 Python=3.6 Ubuntu=18.04 Anaconda=5.1
thanks @lzhmhznr for point us that
I am checking the issues related to MapD and we are planing to add new features to ibis-mapd also.
@cpcloud could you add a "MapD" flag to this issue?
@lzhmhznr at this moment this operation is not supported by mapd database. I will change to this function to raise Unsupported Exception.
Added StringToTimestamp as unsupported
Author: Ivan Ogasawara <firstname.lastname@example.org>
Closes #1760 from xmnlab/to_timestamp_unsupported and squashes the following commits:
7125e4e [Ivan Ogasawara] Added StringToTimestamp as unsupported