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Fix typos and grammar in code comments

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Several mistakes have piled in the code comments over the time,
including incorrect grammar, function names and simple typos.  This
commit takes care of a portion of these.

No backpatch is done as this is only cosmetic.

Author: Justin Pryzby
Discussion: https://postgr.es/m/20210924215827.GS831@telsasoft.com
This commit is contained in:
Michael Paquier
2021-09-27 14:21:28 +09:00
parent 895267a326
commit e767ddcd35
8 changed files with 29 additions and 29 deletions
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12
src/backend/commands/statscmds.c
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@@ -213,14 +213,14 @@ CreateStatistics(CreateStatsStmt *stmt)
* Convert the expression list to a simple array of attnums, but also keep
* a list of more complex expressions. While at it, enforce some
* constraints - we don't allow extended statistics on system attributes,
* and we require the data type to have less-than operator.
* and we require the data type to have a less-than operator.
*
* There are many ways how to "mask" a simple attribute refenrece as an
* There are many ways to "mask" a simple attribute reference as an
* expression, for example "(a+0)" etc. We can't possibly detect all of
* them, but we handle at least the simple case with attribute in parens.
* There'll always be a way around this, if the user is determined (like
* the "(a+0)" example), but this makes it somewhat consistent with how
* indexes treat attributes/expressions.
* them, but we handle at least the simple case with the attribute in
* parens. There'll always be a way around this, if the user is determined
* (like the "(a+0)" example), but this makes it somewhat consistent with
* how indexes treat attributes/expressions.
*/
foreach(cell, stmt->exprs)
{