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  • Robert Haas's avatar
    e472ce96
    Add integrity-checking functions to pg_visibility. · e472ce96
    Robert Haas authored 
    The new pg_check_visible() and pg_check_frozen() functions can be used to
verify that the visibility map bits for a relation's data pages match the
actual state of the tuples on those pages.

Amit Kapila and Robert Haas, reviewed (in earlier versions) by Andres
Freund.  Additional testing help by Thomas Munro.
    e472ce96
    History
    Add integrity-checking functions to pg_visibility.
    Robert Haas authored 
    The new pg_check_visible() and pg_check_frozen() functions can be used to
verify that the visibility map bits for a relation's data pages match the
actual state of the tuples on those pages.

Amit Kapila and Robert Haas, reviewed (in earlier versions) by Andres
Freund.  Additional testing help by Thomas Munro.