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db_include/catalog/pg_statistic_ext_data.h

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+/*-------------------------------------------------------------------------
+ *
+ * pg_statistic_ext_data.h
+ *	  definition of the "extended statistics data" system catalog
+ *	  (pg_statistic_ext_data)
+ *
+ * This catalog stores the statistical data for extended statistics objects.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/catalog/pg_statistic_ext_data.h
+ *
+ * NOTES
+ *	  The Catalog.pm module reads this file and derives schema
+ *	  information.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_STATISTIC_EXT_DATA_H
+#define PG_STATISTIC_EXT_DATA_H
+
+#include "catalog/genbki.h"
+#include "catalog/pg_statistic_ext_data_d.h"
+
+/* ----------------
+ *		pg_statistic_ext_data definition.  cpp turns this into
+ *		typedef struct FormData_pg_statistic_ext_data
+ * ----------------
+ */
+CATALOG(pg_statistic_ext_data,3429,StatisticExtDataRelationId)
+{
+	Oid			stxoid BKI_LOOKUP(pg_statistic_ext);	/* statistics object
+														 * this data is for */
+
+#ifdef CATALOG_VARLEN			/* variable-length fields start here */
+
+	pg_ndistinct stxdndistinct; /* ndistinct coefficients (serialized) */
+	pg_dependencies stxddependencies;	/* dependencies (serialized) */
+	pg_mcv_list stxdmcv;		/* MCV (serialized) */
+	pg_statistic stxdexpr[1];	/* stats for expressions */
+
+#endif
+
+} FormData_pg_statistic_ext_data;
+
+/* ----------------
+ *		Form_pg_statistic_ext_data corresponds to a pointer to a tuple with
+ *		the format of pg_statistic_ext_data relation.
+ * ----------------
+ */
+typedef FormData_pg_statistic_ext_data * Form_pg_statistic_ext_data;
+
+DECLARE_TOAST(pg_statistic_ext_data, 3430, 3431);
+
+DECLARE_UNIQUE_INDEX_PKEY(pg_statistic_ext_data_stxoid_index, 3433, on pg_statistic_ext_data using btree(stxoid oid_ops));
+#define StatisticExtDataStxoidIndexId 3433
+
+#endif							/* PG_STATISTIC_EXT_DATA_H */