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author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-09-16 14:36:01 +0300 |
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committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2014-02-20 10:46:54 +0200 |
commit | 5a7e75849cb595943fc605c4532716e9dd69f8a0 (patch) | |
tree | 519953e8d7b6f06c2d3f704bf1c726c7a662a2ab /src | |
parent | 0aaa4224108611d2fad80451c69db117eb86217f (diff) | |
download | postgresql-5a7e75849cb595943fc605c4532716e9dd69f8a0.tar.gz postgresql-5a7e75849cb595943fc605c4532716e9dd69f8a0.zip |
Add a GUC to report whether data page checksums are enabled.
Backported from master. It was an oversight in the original data checksums
patch to not have a GUC like this.
Diffstat (limited to 'src')
-rw-r--r-- | src/backend/access/transam/xlog.c | 4 | ||||
-rw-r--r-- | src/backend/utils/misc/guc.c | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 314b9e97fae..d57bf50e0b4 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -3739,6 +3739,10 @@ ReadControlFile(void) " but the server was compiled without USE_FLOAT8_BYVAL."), errhint("It looks like you need to recompile or initdb."))); #endif + + /* Make the initdb settings visible as GUC variables, too */ + SetConfigOption("data_checksums", DataChecksumsEnabled() ? "yes" : "no", + PGC_INTERNAL, PGC_S_OVERRIDE); } void diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 68af19221e0..eae0d97bdc3 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -464,6 +464,7 @@ static int max_identifier_length; static int block_size; static int segment_size; static int wal_block_size; +static bool data_checksums; static int wal_segment_size; static bool integer_datetimes; static int effective_io_concurrency; @@ -1453,6 +1454,17 @@ static struct config_bool ConfigureNamesBool[] = NULL, NULL, NULL }, + { + {"data_checksums", PGC_INTERNAL, PRESET_OPTIONS, + gettext_noop("Shows whether data checksums are turned on for this cluster"), + NULL, + GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE + }, + &data_checksums, + false, + NULL, NULL, NULL + }, + /* End-of-list marker */ { {NULL, 0, 0, NULL, NULL}, NULL, false, NULL, NULL, NULL |