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Improve docs and error messages for parallel vacuum.

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The error messages, docs, and one of the options were using
'parallel degree' to indicate parallelism used by vacuum command. We
normally use 'parallel workers' at other places so change it for parallel
vacuum accordingly.

Author: Bharath Rupireddy
Reviewed-by: Dilip Kumar, Amit Kapila
Backpatch-through: 13
Discussion: https://postgr.es/m/CALj2ACWz=PYrrFXVsEKb9J1aiX4raA+UBe02hdRp_zqDkrWUiw@mail.gmail.com
This commit is contained in:
Amit Kapila
2021-05-25 09:26:53 +05:30
parent 01e6f1a842
commit 0734b0e983
4 changed files with 7 additions and 7 deletions
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2
src/backend/commands/vacuum.c
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@ -165,7 +165,7 @@ ExecVacuum(ParseState *pstate, VacuumStmt *vacstmt, bool isTopLevel)
if (nworkers < 0 || nworkers > MAX_PARALLEL_WORKER_LIMIT)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("parallel vacuum degree must be between 0 and %d",
errmsg("parallel workers for vacuum must be between 0 and %d",
MAX_PARALLEL_WORKER_LIMIT),
parser_errposition(pstate, opt->location)));