rheem-ecosystem / rheem

Rheem - a cross-platform data processing system
https://rheem-ecosystem.github.io
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Obtain schema for JdbcTableSource operators automatically from db #37

Open luckyasser opened 7 years ago

luckyasser commented 7 years ago

Most database drivers support metadata api's where one can obtain column names/types. It'd be handy to use that when defining a TableSource operator. Currently the user has to specify the field names in the constructor.