1 files changed, 112 insertions, 0 deletions
diff --git a/src/backend/access/rmgrdesc/brindesc.c b/src/backend/access/rmgrdesc/brindesc.c
new file mode 100644
index 00000000000..39135bf52e7
--- /dev/null
+++ b/src/backend/access/rmgrdesc/brindesc.c
@@ -0,0 +1,112 @@
+/*-------------------------------------------------------------------------
+ *
+ * brindesc.c
+ *	  rmgr descriptor routines for BRIN indexes
+ *
+ * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/access/rmgrdesc/brindesc.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "access/brin_xlog.h"
+
+void
+brin_desc(StringInfo buf, XLogRecord *record)
+{
+	char	   *rec = XLogRecGetData(record);
+	uint8		info = record->xl_info & ~XLR_INFO_MASK;
+
+	info &= XLOG_BRIN_OPMASK;
+	if (info == XLOG_BRIN_CREATE_INDEX)
+	{
+		xl_brin_createidx *xlrec = (xl_brin_createidx *) rec;
+
+		appendStringInfo(buf, "v%d pagesPerRange %u rel %u/%u/%u",
+						 xlrec->version, xlrec->pagesPerRange,
+						 xlrec->node.spcNode, xlrec->node.dbNode,
+						 xlrec->node.relNode);
+	}
+	else if (info == XLOG_BRIN_INSERT)
+	{
+		xl_brin_insert *xlrec = (xl_brin_insert *) rec;
+
+		appendStringInfo(buf, "rel %u/%u/%u heapBlk %u revmapBlk %u pagesPerRange %u TID (%u,%u)",
+						 xlrec->node.spcNode, xlrec->node.dbNode,
+						 xlrec->node.relNode,
+						 xlrec->heapBlk, xlrec->revmapBlk,
+						 xlrec->pagesPerRange,
+						 ItemPointerGetBlockNumber(&xlrec->tid),
+						 ItemPointerGetOffsetNumber(&xlrec->tid));
+	}
+	else if (info == XLOG_BRIN_UPDATE)
+	{
+		xl_brin_update *xlrec = (xl_brin_update *) rec;
+
+		appendStringInfo(buf, "rel %u/%u/%u heapBlk %u revmapBlk %u pagesPerRange %u old TID (%u,%u) TID (%u,%u)",
+						 xlrec->new.node.spcNode, xlrec->new.node.dbNode,
+						 xlrec->new.node.relNode,
+						 xlrec->new.heapBlk, xlrec->new.revmapBlk,
+						 xlrec->new.pagesPerRange,
+						 ItemPointerGetBlockNumber(&xlrec->oldtid),
+						 ItemPointerGetOffsetNumber(&xlrec->oldtid),
+						 ItemPointerGetBlockNumber(&xlrec->new.tid),
+						 ItemPointerGetOffsetNumber(&xlrec->new.tid));
+	}
+	else if (info == XLOG_BRIN_SAMEPAGE_UPDATE)
+	{
+		xl_brin_samepage_update *xlrec = (xl_brin_samepage_update *) rec;
+
+		appendStringInfo(buf, "rel %u/%u/%u TID (%u,%u)",
+						 xlrec->node.spcNode, xlrec->node.dbNode,
+						 xlrec->node.relNode,
+						 ItemPointerGetBlockNumber(&xlrec->tid),
+						 ItemPointerGetOffsetNumber(&xlrec->tid));
+	}
+	else if (info == XLOG_BRIN_REVMAP_EXTEND)
+	{
+		xl_brin_revmap_extend *xlrec = (xl_brin_revmap_extend *) rec;
+
+		appendStringInfo(buf, "rel %u/%u/%u targetBlk %u",
+						 xlrec->node.spcNode, xlrec->node.dbNode,
+						 xlrec->node.relNode, xlrec->targetBlk);
+	}
+}
+
+const char *
+brin_identify(uint8 info)
+{
+	const char *id = NULL;
+
+	switch (info & ~XLR_INFO_MASK)
+	{
+		case XLOG_BRIN_CREATE_INDEX:
+			id = "CREATE_INDEX";
+			break;
+		case XLOG_BRIN_INSERT:
+			id = "INSERT";
+			break;
+		case XLOG_BRIN_INSERT | XLOG_BRIN_INIT_PAGE:
+			id = "INSERT+INIT";
+			break;
+		case XLOG_BRIN_UPDATE:
+			id = "UPDATE";
+			break;
+		case XLOG_BRIN_UPDATE | XLOG_BRIN_INIT_PAGE:
+			id = "UPDATE+INIT";
+			break;
+		case XLOG_BRIN_SAMEPAGE_UPDATE:
+			id = "SAMEPAGE_UPDATE";
+			break;
+		case XLOG_BRIN_REVMAP_EXTEND:
+			id = "REVMAP_EXTEND";
+			break;
+	}
+
+	return id;
+}