/*------------------------------------------------------------------------- * * 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) 1996-2025, 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" /* IWYU pragma: export */ /* ---------------- * 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 */ bool stxdinherit; /* true if inheritance children are included */ #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_inh_index, 3433, StatisticExtDataStxoidInhIndexId, pg_statistic_ext_data, btree(stxoid oid_ops, stxdinherit bool_ops)); MAKE_SYSCACHE(STATEXTDATASTXOID, pg_statistic_ext_data_stxoid_inh_index, 4); #endif /* PG_STATISTIC_EXT_DATA_H */