From 293913568e6a7a86fd1479e1cff8e2ecb58d6568 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 15:44:03 +0200 Subject: Adding upstream version 16.2. Signed-off-by: Daniel Baumann --- src/include/access/visibilitymapdefs.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/include/access/visibilitymapdefs.h (limited to 'src/include/access/visibilitymapdefs.h') diff --git a/src/include/access/visibilitymapdefs.h b/src/include/access/visibilitymapdefs.h new file mode 100644 index 0000000..8dfdbfa --- /dev/null +++ b/src/include/access/visibilitymapdefs.h @@ -0,0 +1,34 @@ +/*------------------------------------------------------------------------- + * + * visibilitymapdefs.h + * macros for accessing contents of visibility map pages + * + * + * Copyright (c) 2021-2023, PostgreSQL Global Development Group + * + * src/include/access/visibilitymapdefs.h + * + *------------------------------------------------------------------------- + */ +#ifndef VISIBILITYMAPDEFS_H +#define VISIBILITYMAPDEFS_H + +/* Number of bits for one heap page */ +#define BITS_PER_HEAPBLOCK 2 + +/* Flags for bit map */ +#define VISIBILITYMAP_ALL_VISIBLE 0x01 +#define VISIBILITYMAP_ALL_FROZEN 0x02 +#define VISIBILITYMAP_VALID_BITS 0x03 /* OR of all valid visibilitymap + * flags bits */ +/* + * To detect recovery conflicts during logical decoding on a standby, we need + * to know if a table is a user catalog table. For that we add an additional + * bit into xl_heap_visible.flags, in addition to the above. + * + * NB: VISIBILITYMAP_XLOG_* may not be passed to visibilitymap_set(). + */ +#define VISIBILITYMAP_XLOG_CATALOG_REL 0x04 +#define VISIBILITYMAP_XLOG_VALID_BITS (VISIBILITYMAP_VALID_BITS | VISIBILITYMAP_XLOG_CATALOG_REL) + +#endif /* VISIBILITYMAPDEFS_H */ -- cgit v1.2.3