Add postgres update and upsert #1216
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Collapse the table argument with a period assuming that if it's a 2 character vector then the first element is the schema and the second is the table name in that schema
Add methods for postgres connections to accept update and upserts to tables based on data.frames passed to the command. This favors one large sql statement over repeating update statements per record.
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Add update and upsert functions for postgres connections. I haven't found a commonly accepted practice to updating or upserting many records into a PostgreSQL database from R. I can understand if this type of functionality should be rejected here and exists in RPostgres package. It was just not clear in its documentation that this functionality exists in via a parameterized query with dbBind or another function. The other alternative solution I've seen recommends repeating the query for each record to update, which doesn't seem as efficient as one large query as I've implemented
Link to stackoverflow solution: http://stackoverflow.com/questions/15099507/update-table-in-postgresql-database-through-r
Thanks for your consideration.