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Commit f49bcd4ef3 disallowed postgres_fdw to import table partitions. Because all data can be accessed through the partitioned table which is the root of the partitioning hierarchy, importing only partitioned table should allow access to all the data without creating extra objects. This is a reasonable default when importing a whole schema. But there may be the case where users want to explicitly import one of a partitioned tables' partitions. For that use case, this commit allows postgres_fdw to import tables or foreign tables which are partitions of some other table only when they are explicitly specified in LIMIT TO clause. It doesn't change the behavior that any partitions not specified in LIMIT TO are automatically excluded in IMPORT FOREIGN SCHEMA command. Author: Matthias van de Meent Reviewed-by: Bernd Helmle, Amit Langote, Michael Paquier, Fujii Masao Discussion: https://postgr.es/m/CAEze2Whwg4i=mzApMe+PXxCEfgoZmHGqdqQFW7J4bmj_5p6t1A@mail.gmail.com