SPI_getnspname — return the namespace of the specified relation
char * SPI_getnspname(Relation rel
)
SPI_getnspname
returns a copy of the name of the namespace that the specified Relation
belongs to. This is equivalent to the relation's schema. You should pfree
the return value of this function when you are finished with it.
Relation rel
input relation
The name of the specified relation's namespace.