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-rw-r--r--src/backend/access/rmgrdesc/heapdesc.c265
1 files changed, 265 insertions, 0 deletions
diff --git a/src/backend/access/rmgrdesc/heapdesc.c b/src/backend/access/rmgrdesc/heapdesc.c
new file mode 100644
index 0000000..5c29fd9
--- /dev/null
+++ b/src/backend/access/rmgrdesc/heapdesc.c
@@ -0,0 +1,265 @@
+/*-------------------------------------------------------------------------
+ *
+ * heapdesc.c
+ * rmgr descriptor routines for access/heap/heapam.c
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ * src/backend/access/rmgrdesc/heapdesc.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "access/heapam_xlog.h"
+
+static void
+out_infobits(StringInfo buf, uint8 infobits)
+{
+ if (infobits & XLHL_XMAX_IS_MULTI)
+ appendStringInfoString(buf, "IS_MULTI ");
+ if (infobits & XLHL_XMAX_LOCK_ONLY)
+ appendStringInfoString(buf, "LOCK_ONLY ");
+ if (infobits & XLHL_XMAX_EXCL_LOCK)
+ appendStringInfoString(buf, "EXCL_LOCK ");
+ if (infobits & XLHL_XMAX_KEYSHR_LOCK)
+ appendStringInfoString(buf, "KEYSHR_LOCK ");
+ if (infobits & XLHL_KEYS_UPDATED)
+ appendStringInfoString(buf, "KEYS_UPDATED ");
+}
+
+void
+heap_desc(StringInfo buf, XLogReaderState *record)
+{
+ char *rec = XLogRecGetData(record);
+ uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
+
+ info &= XLOG_HEAP_OPMASK;
+ if (info == XLOG_HEAP_INSERT)
+ {
+ xl_heap_insert *xlrec = (xl_heap_insert *) rec;
+
+ appendStringInfo(buf, "off %u flags 0x%02X", xlrec->offnum,
+ xlrec->flags);
+ }
+ else if (info == XLOG_HEAP_DELETE)
+ {
+ xl_heap_delete *xlrec = (xl_heap_delete *) rec;
+
+ appendStringInfo(buf, "off %u flags 0x%02X ",
+ xlrec->offnum,
+ xlrec->flags);
+ out_infobits(buf, xlrec->infobits_set);
+ }
+ else if (info == XLOG_HEAP_UPDATE)
+ {
+ xl_heap_update *xlrec = (xl_heap_update *) rec;
+
+ appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
+ xlrec->old_offnum,
+ xlrec->old_xmax,
+ xlrec->flags);
+ out_infobits(buf, xlrec->old_infobits_set);
+ appendStringInfo(buf, "; new off %u xmax %u",
+ xlrec->new_offnum,
+ xlrec->new_xmax);
+ }
+ else if (info == XLOG_HEAP_HOT_UPDATE)
+ {
+ xl_heap_update *xlrec = (xl_heap_update *) rec;
+
+ appendStringInfo(buf, "off %u xmax %u flags 0x%02X ",
+ xlrec->old_offnum,
+ xlrec->old_xmax,
+ xlrec->flags);
+ out_infobits(buf, xlrec->old_infobits_set);
+ appendStringInfo(buf, "; new off %u xmax %u",
+ xlrec->new_offnum,
+ xlrec->new_xmax);
+ }
+ else if (info == XLOG_HEAP_TRUNCATE)
+ {
+ xl_heap_truncate *xlrec = (xl_heap_truncate *) rec;
+ int i;
+
+ if (xlrec->flags & XLH_TRUNCATE_CASCADE)
+ appendStringInfoString(buf, "cascade ");
+ if (xlrec->flags & XLH_TRUNCATE_RESTART_SEQS)
+ appendStringInfoString(buf, "restart_seqs ");
+ appendStringInfo(buf, "nrelids %u relids", xlrec->nrelids);
+ for (i = 0; i < xlrec->nrelids; i++)
+ appendStringInfo(buf, " %u", xlrec->relids[i]);
+ }
+ else if (info == XLOG_HEAP_CONFIRM)
+ {
+ xl_heap_confirm *xlrec = (xl_heap_confirm *) rec;
+
+ appendStringInfo(buf, "off %u", xlrec->offnum);
+ }
+ else if (info == XLOG_HEAP_LOCK)
+ {
+ xl_heap_lock *xlrec = (xl_heap_lock *) rec;
+
+ appendStringInfo(buf, "off %u: xid %u: flags 0x%02X ",
+ xlrec->offnum, xlrec->locking_xid, xlrec->flags);
+ out_infobits(buf, xlrec->infobits_set);
+ }
+ else if (info == XLOG_HEAP_INPLACE)
+ {
+ xl_heap_inplace *xlrec = (xl_heap_inplace *) rec;
+
+ appendStringInfo(buf, "off %u", xlrec->offnum);
+ }
+}
+void
+heap2_desc(StringInfo buf, XLogReaderState *record)
+{
+ char *rec = XLogRecGetData(record);
+ uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
+
+ info &= XLOG_HEAP_OPMASK;
+ if (info == XLOG_HEAP2_PRUNE)
+ {
+ xl_heap_prune *xlrec = (xl_heap_prune *) rec;
+
+ appendStringInfo(buf, "latestRemovedXid %u nredirected %u ndead %u",
+ xlrec->latestRemovedXid,
+ xlrec->nredirected,
+ xlrec->ndead);
+ }
+ else if (info == XLOG_HEAP2_VACUUM)
+ {
+ xl_heap_vacuum *xlrec = (xl_heap_vacuum *) rec;
+
+ appendStringInfo(buf, "nunused %u", xlrec->nunused);
+ }
+ else if (info == XLOG_HEAP2_FREEZE_PAGE)
+ {
+ xl_heap_freeze_page *xlrec = (xl_heap_freeze_page *) rec;
+
+ appendStringInfo(buf, "cutoff xid %u ntuples %u",
+ xlrec->cutoff_xid, xlrec->ntuples);
+ }
+ else if (info == XLOG_HEAP2_VISIBLE)
+ {
+ xl_heap_visible *xlrec = (xl_heap_visible *) rec;
+
+ appendStringInfo(buf, "cutoff xid %u flags 0x%02X",
+ xlrec->cutoff_xid, xlrec->flags);
+ }
+ else if (info == XLOG_HEAP2_MULTI_INSERT)
+ {
+ xl_heap_multi_insert *xlrec = (xl_heap_multi_insert *) rec;
+
+ appendStringInfo(buf, "%d tuples flags 0x%02X", xlrec->ntuples,
+ xlrec->flags);
+ }
+ else if (info == XLOG_HEAP2_LOCK_UPDATED)
+ {
+ xl_heap_lock_updated *xlrec = (xl_heap_lock_updated *) rec;
+
+ appendStringInfo(buf, "off %u: xmax %u: flags 0x%02X ",
+ xlrec->offnum, xlrec->xmax, xlrec->flags);
+ out_infobits(buf, xlrec->infobits_set);
+ }
+ else if (info == XLOG_HEAP2_NEW_CID)
+ {
+ xl_heap_new_cid *xlrec = (xl_heap_new_cid *) rec;
+
+ appendStringInfo(buf, "rel %u/%u/%u; tid %u/%u",
+ xlrec->target_node.spcNode,
+ xlrec->target_node.dbNode,
+ xlrec->target_node.relNode,
+ ItemPointerGetBlockNumber(&(xlrec->target_tid)),
+ ItemPointerGetOffsetNumber(&(xlrec->target_tid)));
+ appendStringInfo(buf, "; cmin: %u, cmax: %u, combo: %u",
+ xlrec->cmin, xlrec->cmax, xlrec->combocid);
+ }
+}
+
+const char *
+heap_identify(uint8 info)
+{
+ const char *id = NULL;
+
+ switch (info & ~XLR_INFO_MASK)
+ {
+ case XLOG_HEAP_INSERT:
+ id = "INSERT";
+ break;
+ case XLOG_HEAP_INSERT | XLOG_HEAP_INIT_PAGE:
+ id = "INSERT+INIT";
+ break;
+ case XLOG_HEAP_DELETE:
+ id = "DELETE";
+ break;
+ case XLOG_HEAP_UPDATE:
+ id = "UPDATE";
+ break;
+ case XLOG_HEAP_UPDATE | XLOG_HEAP_INIT_PAGE:
+ id = "UPDATE+INIT";
+ break;
+ case XLOG_HEAP_HOT_UPDATE:
+ id = "HOT_UPDATE";
+ break;
+ case XLOG_HEAP_HOT_UPDATE | XLOG_HEAP_INIT_PAGE:
+ id = "HOT_UPDATE+INIT";
+ break;
+ case XLOG_HEAP_TRUNCATE:
+ id = "TRUNCATE";
+ break;
+ case XLOG_HEAP_CONFIRM:
+ id = "HEAP_CONFIRM";
+ break;
+ case XLOG_HEAP_LOCK:
+ id = "LOCK";
+ break;
+ case XLOG_HEAP_INPLACE:
+ id = "INPLACE";
+ break;
+ }
+
+ return id;
+}
+
+const char *
+heap2_identify(uint8 info)
+{
+ const char *id = NULL;
+
+ switch (info & ~XLR_INFO_MASK)
+ {
+ case XLOG_HEAP2_PRUNE:
+ id = "PRUNE";
+ break;
+ case XLOG_HEAP2_VACUUM:
+ id = "VACUUM";
+ break;
+ case XLOG_HEAP2_FREEZE_PAGE:
+ id = "FREEZE_PAGE";
+ break;
+ case XLOG_HEAP2_VISIBLE:
+ id = "VISIBLE";
+ break;
+ case XLOG_HEAP2_MULTI_INSERT:
+ id = "MULTI_INSERT";
+ break;
+ case XLOG_HEAP2_MULTI_INSERT | XLOG_HEAP_INIT_PAGE:
+ id = "MULTI_INSERT+INIT";
+ break;
+ case XLOG_HEAP2_LOCK_UPDATED:
+ id = "LOCK_UPDATED";
+ break;
+ case XLOG_HEAP2_NEW_CID:
+ id = "NEW_CID";
+ break;
+ case XLOG_HEAP2_REWRITE:
+ id = "REWRITE";
+ break;
+ }
+
+ return id;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 13:23:29 +0000