Hi, It looks like the values such as '123.456', '789.123' '100$%$#$#', '9,223,372,' are accepted and treated as valid integers for postgres_fdw options batch_size and fetch_size. Whereas this is not the case with fdw_startup_cost and fdw_tuple_cost options for which an error is thrown. Attaching a patch to fix that.
With Regards, Bharath Rupireddy. EnterpriseDB: http://www.enterprisedb.com
v1-0001-Tighten-up-batch_size-fetch_size-options-against-.patch
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