diff options
| author | Simon Riggs <simon@2ndQuadrant.com> | 2013-04-30 12:27:12 +0100 |
|---|---|---|
| committer | Simon Riggs <simon@2ndQuadrant.com> | 2013-04-30 12:27:12 +0100 |
| commit | 443951748ce4c94b001877c7cf88b0ee969c79e7 (patch) | |
| tree | 6f5af0f79b52f3e9df2b88b5322d573ed0a34f40 /src/include/storage | |
| parent | 730924397c8151c3cf34e633211cd0fe4a0db112 (diff) | |
Record data_checksum_version in control file.
The value is not used anywhere in code, but will
allow future changes to the checksum version
should that become necessary in the future.
Diffstat (limited to 'src/include/storage')
| -rw-r--r-- | src/include/storage/bufpage.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/include/storage/bufpage.h b/src/include/storage/bufpage.h index b9ee7c27e10..df581b779f6 100644 --- a/src/include/storage/bufpage.h +++ b/src/include/storage/bufpage.h @@ -189,9 +189,12 @@ typedef PageHeaderData *PageHeader; * Release 8.3 uses 4; it changed the HeapTupleHeader layout again, and * added the pd_flags field (by stealing some bits from pd_tli), * as well as adding the pd_prune_xid field (which enlarges the header). + * + * As of Release 9.3, the checksum version must also be considered when + * handling pages. */ #define PG_PAGE_LAYOUT_VERSION 4 - +#define PG_DATA_CHECKSUM_VERSION 1 /* ---------------------------------------------------------------- * page support macros |