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@ -29,7 +29,7 @@ |
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</para> |
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</para> |
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<para> |
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<para> |
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Functions which display information about <literal>PG_ALL_VISIBLE</> |
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Functions which display information about <literal>PD_ALL_VISIBLE</> |
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are much more costly than those which only consult the visibility map, |
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are much more costly than those which only consult the visibility map, |
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because they must read the relation's data blocks rather than only the |
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because they must read the relation's data blocks rather than only the |
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(much smaller) visibility map. |
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(much smaller) visibility map. |
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