diff options
| -rw-r--r-- | doc/src/sgml/ref/pg_checksums.sgml | 4 | ||||
| -rw-r--r-- | src/bin/pg_checksums/pg_checksums.c | 17 |
2 files changed, 21 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pg_checksums.sgml b/doc/src/sgml/ref/pg_checksums.sgml index 95043aa329c..e9e393495df 100644 --- a/doc/src/sgml/ref/pg_checksums.sgml +++ b/doc/src/sgml/ref/pg_checksums.sgml @@ -247,5 +247,9 @@ PostgreSQL documentation remains unchanged, and <application>pg_checksums</application> can be re-run to perform the same operation. </para> + <para> + The target cluster must have the same major version as + <application>pg_checksums</application>. + </para> </refsect1> </refentry> diff --git a/src/bin/pg_checksums/pg_checksums.c b/src/bin/pg_checksums/pg_checksums.c index f20be82862a..46cb2f36efa 100644 --- a/src/bin/pg_checksums/pg_checksums.c +++ b/src/bin/pg_checksums/pg_checksums.c @@ -25,6 +25,7 @@ #include "common/logging.h" #include "common/relpath.h" #include "fe_utils/option_utils.h" +#include "fe_utils/version.h" #include "getopt_long.h" #include "pg_getopt.h" #include "storage/bufpage.h" @@ -448,6 +449,8 @@ main(int argc, char *argv[]) int c; int option_index; bool crc_ok; + uint32 major_version; + char *version_str; pg_logging_init(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_checksums")); @@ -543,6 +546,20 @@ main(int argc, char *argv[]) exit(1); } + /* + * Retrieve the contents of this cluster's PG_VERSION. We require + * compatibility with the same major version as the one this tool is + * compiled with. + */ + major_version = GET_PG_MAJORVERSION_NUM(get_pg_version(DataDir, &version_str)); + if (major_version != PG_MAJORVERSION_NUM) + { + pg_log_error("data directory is of wrong version"); + pg_log_error_detail("File \"%s\" contains \"%s\", which is not compatible with this program's version \"%s\".", + "PG_VERSION", version_str, PG_MAJORVERSION); + exit(1); + } + /* Read the control file and check compatibility */ ControlFile = get_controlfile(DataDir, &crc_ok); if (!crc_ok) |