diff options
Diffstat (limited to 'src/include/utils/lsyscache.h')
| -rw-r--r-- | src/include/utils/lsyscache.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/src/include/utils/lsyscache.h b/src/include/utils/lsyscache.h index 88629d99aab..a0d90e7e173 100644 --- a/src/include/utils/lsyscache.h +++ b/src/include/utils/lsyscache.h @@ -35,6 +35,28 @@ typedef enum IOFuncSelector IOFunc_send } IOFuncSelector; +/* Flag bits for get_attstatsslot */ +#define ATTSTATSSLOT_VALUES 0x01 +#define ATTSTATSSLOT_NUMBERS 0x02 + +/* Result struct for get_attstatsslot */ +typedef struct AttStatsSlot +{ + /* Always filled: */ + Oid staop; /* Actual staop for the found slot */ + /* Filled if ATTSTATSSLOT_VALUES is specified: */ + Oid valuetype; /* Actual datatype of the values */ + Datum *values; /* slot's "values" array, or NULL if none */ + int nvalues; /* length of values[], or 0 */ + /* Filled if ATTSTATSSLOT_NUMBERS is specified: */ + float4 *numbers; /* slot's "numbers" array, or NULL if none */ + int nnumbers; /* length of numbers[], or 0 */ + + /* Remaining fields are private to get_attstatsslot/free_attstatsslot */ + void *values_arr; /* palloc'd values array, if any */ + void *numbers_arr; /* palloc'd numbers array, if any */ +} AttStatsSlot; + /* Hook for plugins to get control in get_attavgwidth() */ typedef int32 (*get_attavgwidth_hook_type) (Oid relid, AttrNumber attnum); extern PGDLLIMPORT get_attavgwidth_hook_type get_attavgwidth_hook; @@ -148,15 +170,9 @@ extern Oid getBaseType(Oid typid); extern Oid getBaseTypeAndTypmod(Oid typid, int32 *typmod); extern int32 get_typavgwidth(Oid typid, int32 typmod); extern int32 get_attavgwidth(Oid relid, AttrNumber attnum); -extern bool get_attstatsslot(HeapTuple statstuple, - Oid atttype, int32 atttypmod, - int reqkind, Oid reqop, - Oid *actualop, - Datum **values, int *nvalues, - float4 **numbers, int *nnumbers); -extern void free_attstatsslot(Oid atttype, - Datum *values, int nvalues, - float4 *numbers, int nnumbers); +extern bool get_attstatsslot(AttStatsSlot *sslot, HeapTuple statstuple, + int reqkind, Oid reqop, int flags); +extern void free_attstatsslot(AttStatsSlot *sslot); extern char *get_namespace_name(Oid nspid); extern char *get_namespace_name_or_temp(Oid nspid); extern Oid get_range_subtype(Oid rangeOid); |