diff options
| -rw-r--r-- | doc/src/sgml/config.sgml | 13 | ||||
| -rw-r--r-- | src/backend/access/transam/xlog.c | 4 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 12 |
3 files changed, 29 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 18d75be1d79..370aa09ee7c 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -6169,6 +6169,19 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir' </listitem> </varlistentry> + <varlistentry id="guc-data-checksums" xreflabel="data_checksums"> + <term><varname>data_checksums</varname> (<type>boolean</type>)</term> + <indexterm> + <primary><varname>data_checksums</> configuration parameter</primary> + </indexterm> + <listitem> + <para> + Reports whether data checksums are enabled for this cluster. + See <xref linkend="app-initdb-data-checksums"> for more information. + </para> + </listitem> + </varlistentry> + <varlistentry id="guc-integer-datetimes" xreflabel="integer_datetimes"> <term><varname>integer_datetimes</varname> (<type>boolean</type>)</term> <indexterm> diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index dc47c4760bf..fc495d6a62d 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -4844,6 +4844,10 @@ ReadControlFile(void) " but the server was compiled without USE_FLOAT8_BYVAL."), errhint("It looks like you need to recompile or initdb."))); #endif + + /* Make the fixed 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 7d297bcd343..3107f9cf027 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -466,6 +466,7 @@ 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; @@ -1457,6 +1458,17 @@ 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 |