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Commitd37ddb7

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Use carriage returns for data insertion logs in pgbench on terminal
This is similar to what pg_basebackup and pg_rewind do when reportingcumulative data, and that's more user-friendly. Carriage returns arenow used when stderr points to a terminal, and newlines are used inother cases, like a redirection to a log file.Author: Amit LangoteReviewed-by: Fabien CoelhoDiscussion:https://postgr.es/m/CA+HiwqFNwEjPeVaQsp2L7DyCPv1Eg1guwhrVhzMYqUJUk8ULKg@mail.gmail.com
1 parent85b9ef5 commitd37ddb7

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-5
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‎src/bin/pgbench/pgbench.c

Lines changed: 11 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -3835,6 +3835,9 @@ initGenerateDataClientSide(PGconn *con)
38353835
remaining_sec;
38363836
intlog_interval=1;
38373837

3838+
/* Stay on the same line if reporting to a terminal */
3839+
chareol=isatty(fileno(stderr)) ?'\r' :'\n';
3840+
38383841
fprintf(stderr,"generating data (client-side)...\n");
38393842

38403843
/*
@@ -3910,10 +3913,10 @@ initGenerateDataClientSide(PGconn *con)
39103913
elapsed_sec=INSTR_TIME_GET_DOUBLE(diff);
39113914
remaining_sec= ((double)scale*naccounts-j)*elapsed_sec /j;
39123915

3913-
fprintf(stderr,INT64_FORMAT" of "INT64_FORMAT" tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)\n",
3916+
fprintf(stderr,INT64_FORMAT" of "INT64_FORMAT" tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)%c",
39143917
j, (int64)naccounts*scale,
39153918
(int) (((int64)j*100) / (naccounts* (int64)scale)),
3916-
elapsed_sec,remaining_sec);
3919+
elapsed_sec,remaining_sec,eol);
39173920
}
39183921
/* let's not call the timing for each row, but only each 100 rows */
39193922
elseif (use_quiet&& (j %100==0))
@@ -3927,16 +3930,19 @@ initGenerateDataClientSide(PGconn *con)
39273930
/* have we reached the next interval (or end)? */
39283931
if ((j==scale*naccounts)|| (elapsed_sec >=log_interval*LOG_STEP_SECONDS))
39293932
{
3930-
fprintf(stderr,INT64_FORMAT" of "INT64_FORMAT" tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)\n",
3933+
fprintf(stderr,INT64_FORMAT" of "INT64_FORMAT" tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)%c",
39313934
j, (int64)naccounts*scale,
3932-
(int) (((int64)j*100) / (naccounts* (int64)scale)),elapsed_sec,remaining_sec);
3935+
(int) (((int64)j*100) / (naccounts* (int64)scale)),elapsed_sec,remaining_sec,eol);
39333936

39343937
/* skip to the next interval */
39353938
log_interval= (int)ceil(elapsed_sec /LOG_STEP_SECONDS);
39363939
}
39373940
}
3938-
39393941
}
3942+
3943+
if (eol!='\n')
3944+
fputc('\n',stderr);/* Need to move to next line */
3945+
39403946
if (PQputline(con,"\\.\n"))
39413947
{
39423948
fprintf(stderr,"very last PQputline failed\n");

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