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Add pg_basebackup -z option for compression with default level

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This commit is contained in:
Peter Eisentraut
2011-05-30 01:02:02 +03:00
parent cb0defe523
commit 6fa79755bd
2 changed files with 28 additions and 5 deletions
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11
src/bin/pg_basebackup/pg_basebackup.c
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@ -126,7 +126,8 @@ usage(void)
printf(_(" -D, --pgdata=DIRECTORY receive base backup into directory\n"));
printf(_(" -F, --format=p|t output format (plain, tar)\n"));
printf(_(" -x, --xlog include required WAL files in backup\n"));
printf(_(" -Z, --compress=0-9 compress tar output\n"));
printf(_(" -z, --gzip compress tar output\n"));
printf(_(" -Z, --compress=0-9 compress tar output with given compression level\n"));
printf(_("\nGeneral options:\n"));
printf(_(" -c, --checkpoint=fast|spread\n"
" set fast or spread checkpointing\n"));
@ -941,6 +942,7 @@ main(int argc, char **argv)
{"format", required_argument, NULL, 'F'},
{"checkpoint", required_argument, NULL, 'c'},
{"xlog", no_argument, NULL, 'x'},
{"gzip", no_argument, NULL, 'z'},
{"compress", required_argument, NULL, 'Z'},
{"label", required_argument, NULL, 'l'},
{"host", required_argument, NULL, 'h'},
@ -1000,6 +1002,13 @@ main(int argc, char **argv)
case 'l':
label = xstrdup(optarg);
break;
case 'z':
#ifdef HAVE_LIBZ
compresslevel = Z_DEFAULT_COMPRESSION;
#else
compresslevel = 1; /* will be rejected below */
#endif
break;
case 'Z':
compresslevel = atoi(optarg);
if (compresslevel <= 0 || compresslevel > 9)