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d16be8605f
Update the table inheritance documentation to mention not-null constraints alongside check constraints where inherited constraints are discussed. Also clarify that some properties of inherited constraints can now be altered directly on child tables, while the resulting constraint must remain compatible with its inherited parent constraints. For multiple inheritance, say explicitly that when a column or constraint is inherited from more than one parent, the stricter definition applies. Author: Chao Li <lic@highgo.com> Reviewed-by: Zsolt Parragi <zsolt.parragi@percona.com> Discussion: https://postgr.es/m/E74C57FA-1DD0-4C8E-8FB1-538034752592@gmail.com