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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 09:40:16 +05:30
parent a23c0b00f0
commit 9012e5594c
4 changed files with 7 additions and 7 deletions
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2
src/backend/commands/vacuum.c
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@@ -160,7 +160,7 @@ 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)));