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-rw-r--r--contrib/pageinspect/pageinspect.h30
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diff --git a/contrib/pageinspect/pageinspect.h b/contrib/pageinspect/pageinspect.h
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+/*-------------------------------------------------------------------------
+ *
+ * pageinspect.h
+ * Common functions for pageinspect.
+ *
+ * Copyright (c) 2017-2022, PostgreSQL Global Development Group
+ *
+ * IDENTIFICATION
+ * contrib/pageinspect/pageinspect.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef _PAGEINSPECT_H_
+#define _PAGEINSPECT_H_
+
+#include "storage/bufpage.h"
+
+/*
+ * Extension version number, for supporting older extension versions' objects
+ */
+enum pageinspect_version
+{
+ PAGEINSPECT_V1_8,
+ PAGEINSPECT_V1_9,
+};
+
+/* in rawpage.c */
+extern Page get_page_from_raw(bytea *raw_page);
+
+#endif /* _PAGEINSPECT_H_ */