9bb955c828
While working on documentation for expanded arrays, I noticed a number of details in the TOAST-related documentation that were already inaccurate or obsolete. This should be fixed independently of whether expanded arrays get in or not. One issue is that the already existing indirect-pointer facility was not documented at all. Also, the documentation says that you only need to use VARSIZE/SET_VARSIZE if you've made your variable-length type TOAST-aware, but actually we've forced that business on all varlena types even if they've opted out of TOAST by setting storage = plain. Wordsmith a few other things too, like an amusingly archaic claim that there are few 64-bit machines. I thought about back-patching this, but since all this doco is oriented to hackers and C-coded extension authors, fixing it in HEAD is probably good enough. |
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