diff options
Diffstat (limited to 'src/include/access/heapam_xlog.h')
| -rw-r--r-- | src/include/access/heapam_xlog.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/include/access/heapam_xlog.h b/src/include/access/heapam_xlog.h index d4c0625b632..16c2b2e3c9c 100644 --- a/src/include/access/heapam_xlog.h +++ b/src/include/access/heapam_xlog.h @@ -249,7 +249,7 @@ typedef struct xl_heap_update * Main data section: * * xl_heap_prune - * uint8 flags + * uint16 flags * TransactionId snapshot_conflict_horizon * * Block 0 data section: @@ -284,7 +284,7 @@ typedef struct xl_heap_update */ typedef struct xl_heap_prune { - uint8 flags; + uint16 flags; /* * If XLHP_HAS_CONFLICT_HORIZON is set, the conflict horizon XID follows, @@ -292,7 +292,7 @@ typedef struct xl_heap_prune */ } xl_heap_prune; -#define SizeOfHeapPrune (offsetof(xl_heap_prune, flags) + sizeof(uint8)) +#define SizeOfHeapPrune (offsetof(xl_heap_prune, flags) + sizeof(uint16)) /* to handle recovery conflict during logical decoding on standby */ #define XLHP_IS_CATALOG_REL (1 << 1) @@ -331,6 +331,15 @@ typedef struct xl_heap_prune #define XLHP_HAS_NOW_UNUSED_ITEMS (1 << 7) /* + * The xl_heap_prune record's flags may also contain which VM bits to set. + * xl_heap_prune should always use the XLHP_VM_ALL_VISIBLE and + * XLHP_VM_ALL_FROZEN flags and translate them to their visibilitymapdefs.h + * equivalents, VISIBILITYMAP_ALL_VISIBLE and VISIBILITYMAP_ALL_FROZEN. + */ +#define XLHP_VM_ALL_VISIBLE (1 << 8) +#define XLHP_VM_ALL_FROZEN (1 << 9) + +/* * xlhp_freeze_plan describes how to freeze a group of one or more heap tuples * (appears in xl_heap_prune's xlhp_freeze_plans sub-record) */ @@ -497,7 +506,7 @@ extern XLogRecPtr log_heap_visible(Relation rel, Buffer heap_buffer, uint8 vmflags); /* in heapdesc.c, so it can be shared between frontend/backend code */ -extern void heap_xlog_deserialize_prune_and_freeze(char *cursor, uint8 flags, +extern void heap_xlog_deserialize_prune_and_freeze(char *cursor, uint16 flags, int *nplans, xlhp_freeze_plan **plans, OffsetNumber **frz_offsets, int *nredirected, OffsetNumber **redirected, |