| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * pg_statistic_ext_data.h |
| 4 | * definition of the "extended statistics data" system catalog |
| 5 | * (pg_statistic_ext_data) |
| 6 | * |
| 7 | * This catalog stores the statistical data for extended statistics objects. |
| 8 | * |
| 9 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 10 | * Portions Copyright (c) 1994, Regents of the University of California |
| 11 | * |
| 12 | * src/include/catalog/pg_statistic_ext_data.h |
| 13 | * |
| 14 | * NOTES |
| 15 | * The Catalog.pm module reads this file and derives schema |
| 16 | * information. |
| 17 | * |
| 18 | *------------------------------------------------------------------------- |
| 19 | */ |
| 20 | #ifndef PG_STATISTIC_EXT_DATA_H |
| 21 | #define PG_STATISTIC_EXT_DATA_H |
| 22 | |
| 23 | #include "catalog/genbki.h" |
| 24 | #include "catalog/pg_statistic_ext_data_d.h" |
| 25 | |
| 26 | /* ---------------- |
| 27 | * pg_statistic_ext_data definition. cpp turns this into |
| 28 | * typedef struct FormData_pg_statistic_ext_data |
| 29 | * ---------------- |
| 30 | */ |
| 31 | CATALOG(pg_statistic_ext_data,3429,StatisticExtDataRelationId) |
| 32 | { |
| 33 | Oid stxoid; /* statistics object this data is for */ |
| 34 | |
| 35 | #ifdef CATALOG_VARLEN /* variable-length fields start here */ |
| 36 | |
| 37 | pg_ndistinct stxdndistinct; /* ndistinct coefficients (serialized) */ |
| 38 | pg_dependencies stxddependencies; /* dependencies (serialized) */ |
| 39 | pg_mcv_list stxdmcv; /* MCV (serialized) */ |
| 40 | |
| 41 | #endif |
| 42 | |
| 43 | } FormData_pg_statistic_ext_data; |
| 44 | |
| 45 | /* ---------------- |
| 46 | * Form_pg_statistic_ext_data corresponds to a pointer to a tuple with |
| 47 | * the format of pg_statistic_ext_data relation. |
| 48 | * ---------------- |
| 49 | */ |
| 50 | typedef FormData_pg_statistic_ext_data * Form_pg_statistic_ext_data; |
| 51 | |
| 52 | #endif /* PG_STATISTIC_EXT_DATA_H */ |
| 53 | |