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Support range data types.

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Selectivity estimation functions are missing for some range type operators,
which is a TODO.

Jeff Davis
This commit is contained in:
Heikki Linnakangas
2011-11-03 13:16:28 +02:00
parent 4334289186
commit 4429f6a9e3
58 changed files with 6718 additions and 103 deletions
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2
src/include/utils/lsyscache.h
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@@ -119,6 +119,7 @@ extern Node *get_typdefault(Oid typid);
extern char get_typtype(Oid typid);
extern bool type_is_rowtype(Oid typid);
extern bool type_is_enum(Oid typid);
extern bool type_is_range(Oid typid);
extern void get_type_category_preferred(Oid typid,
char *typcategory,
bool *typispreferred);
@@ -147,6 +148,7 @@ extern void free_attstatsslot(Oid atttype,
Datum *values, int nvalues,
float4 *numbers, int nnumbers);
extern char *get_namespace_name(Oid nspid);
extern Oid get_range_subtype(Oid rangeOid);
#define type_is_array(typid) (get_element_type(typid) != InvalidOid)
/* type_is_array_domain accepts both plain arrays and domains over arrays */