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Add const qualifiers to internal range type APIs

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Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/dc9b45fa-b950-fadc-4751-85d6f729df55%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2019-10-31 07:41:41 +01:00
parent f921ea624e
commit 7302514088
5 changed files with 86 additions and 86 deletions
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34
src/backend/utils/adt/rangetypes.c
View File

@ -554,7 +554,7 @@ elem_contained_by_range(PG_FUNCTION_ARGS)
/* equality (internal version) */ /* equality (internal version) */
bool bool
range_eq_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_eq_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -599,7 +599,7 @@ range_eq(PG_FUNCTION_ARGS)
/* inequality (internal version) */ /* inequality (internal version) */
bool bool
range_ne_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_ne_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
return (!range_eq_internal(typcache, r1, r2)); return (!range_eq_internal(typcache, r1, r2));
} }
@ -645,7 +645,7 @@ range_contained_by(PG_FUNCTION_ARGS)
/* strictly left of? (internal version) */ /* strictly left of? (internal version) */
bool bool
range_before_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_before_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -683,7 +683,7 @@ range_before(PG_FUNCTION_ARGS)
/* strictly right of? (internal version) */ /* strictly right of? (internal version) */
bool bool
range_after_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_after_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -779,7 +779,7 @@ bounds_adjacent(TypeCacheEntry *typcache, RangeBound boundA, RangeBound boundB)
/* adjacent to (but not overlapping)? (internal version) */ /* adjacent to (but not overlapping)? (internal version) */
bool bool
range_adjacent_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_adjacent_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -822,7 +822,7 @@ range_adjacent(PG_FUNCTION_ARGS)
/* overlaps? (internal version) */ /* overlaps? (internal version) */
bool bool
range_overlaps_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_overlaps_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -868,7 +868,7 @@ range_overlaps(PG_FUNCTION_ARGS)
/* does not extend to right of? (internal version) */ /* does not extend to right of? (internal version) */
bool bool
range_overleft_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_overleft_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -909,7 +909,7 @@ range_overleft(PG_FUNCTION_ARGS)
/* does not extend to left of? (internal version) */ /* does not extend to left of? (internal version) */
bool bool
range_overright_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_overright_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1, RangeBound lower1,
lower2; lower2;
@ -1696,7 +1696,7 @@ range_serialize(TypeCacheEntry *typcache, RangeBound *lower, RangeBound *upper,
* RangeBound structs will be pointers into the given range object. * RangeBound structs will be pointers into the given range object.
*/ */
void void
range_deserialize(TypeCacheEntry *typcache, RangeType *range, range_deserialize(TypeCacheEntry *typcache, const RangeType *range,
RangeBound *lower, RangeBound *upper, bool *empty) RangeBound *lower, RangeBound *upper, bool *empty)
{ {
char flags; char flags;
@ -1711,7 +1711,7 @@ range_deserialize(TypeCacheEntry *typcache, RangeType *range,
Assert(RangeTypeGetOid(range) == typcache->type_id); Assert(RangeTypeGetOid(range) == typcache->type_id);
/* fetch the flag byte from datum's last byte */ /* fetch the flag byte from datum's last byte */
flags = *((char *) range + VARSIZE(range) - 1); flags = *((const char *) range + VARSIZE(range) - 1);
/* fetch information about range's element type */ /* fetch information about range's element type */
typlen = typcache->rngelemtype->typlen; typlen = typcache->rngelemtype->typlen;
@ -1763,7 +1763,7 @@ range_deserialize(TypeCacheEntry *typcache, RangeType *range,
* the full results of range_deserialize. * the full results of range_deserialize.
*/ */
char char
range_get_flags(RangeType *range) range_get_flags(const RangeType *range)
{ {
/* fetch the flag byte from datum's last byte */ /* fetch the flag byte from datum's last byte */
return *((char *) range + VARSIZE(range) - 1); return *((char *) range + VARSIZE(range) - 1);
@ -1832,7 +1832,7 @@ make_range(TypeCacheEntry *typcache, RangeBound *lower, RangeBound *upper,
* but one is an upper bound and the other a lower bound. * but one is an upper bound and the other a lower bound.
*/ */
int int
range_cmp_bounds(TypeCacheEntry *typcache, RangeBound *b1, RangeBound *b2) range_cmp_bounds(TypeCacheEntry *typcache, const RangeBound *b1, const RangeBound *b2)
{ {
int32 result; int32 result;
@ -1906,8 +1906,8 @@ range_cmp_bounds(TypeCacheEntry *typcache, RangeBound *b1, RangeBound *b2)
* infinity is plus or minus. * infinity is plus or minus.
*/ */
int int
range_cmp_bound_values(TypeCacheEntry *typcache, RangeBound *b1, range_cmp_bound_values(TypeCacheEntry *typcache, const RangeBound *b1,
RangeBound *b2) const RangeBound *b2)
{ {
/* /*
* First, handle cases involving infinity, which don't require invoking * First, handle cases involving infinity, which don't require invoking
@ -2300,7 +2300,7 @@ range_bound_escape(const char *value)
* the necessary typcache entry. * the necessary typcache entry.
*/ */
bool bool
range_contains_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_contains_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
RangeBound lower1; RangeBound lower1;
RangeBound upper1; RangeBound upper1;
@ -2332,7 +2332,7 @@ range_contains_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2)
} }
bool bool
range_contained_by_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2) range_contained_by_internal(TypeCacheEntry *typcache, const RangeType *r1, const RangeType *r2)
{ {
return range_contains_internal(typcache, r2, r1); return range_contains_internal(typcache, r2, r1);
} }
@ -2341,7 +2341,7 @@ range_contained_by_internal(TypeCacheEntry *typcache, RangeType *r1, RangeType *
* Test whether range r contains a specific element value. * Test whether range r contains a specific element value.
*/ */
bool bool
range_contains_elem_internal(TypeCacheEntry *typcache, RangeType *r, Datum val) range_contains_elem_internal(TypeCacheEntry *typcache, const RangeType *r, Datum val)
{ {
RangeBound lower; RangeBound lower;
RangeBound upper; RangeBound upper;

8
src/backend/utils/adt/rangetypes_gist.c
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@ -137,10 +137,10 @@ typedef struct
static RangeType *range_super_union(TypeCacheEntry *typcache, RangeType *r1, static RangeType *range_super_union(TypeCacheEntry *typcache, RangeType *r1,
RangeType *r2); RangeType *r2);
static bool range_gist_consistent_int(TypeCacheEntry *typcache, static bool range_gist_consistent_int(TypeCacheEntry *typcache,
StrategyNumber strategy, RangeType *key, StrategyNumber strategy, const RangeType *key,
Datum query); Datum query);
static bool range_gist_consistent_leaf(TypeCacheEntry *typcache, static bool range_gist_consistent_leaf(TypeCacheEntry *typcache,
StrategyNumber strategy, RangeType *key, StrategyNumber strategy, const RangeType *key,
Datum query); Datum query);
static void range_gist_fallback_split(TypeCacheEntry *typcache, static void range_gist_fallback_split(TypeCacheEntry *typcache,
GistEntryVector *entryvec, GistEntryVector *entryvec,
@ -764,7 +764,7 @@ range_super_union(TypeCacheEntry *typcache, RangeType *r1, RangeType *r2)
*/ */
static bool static bool
range_gist_consistent_int(TypeCacheEntry *typcache, StrategyNumber strategy, range_gist_consistent_int(TypeCacheEntry *typcache, StrategyNumber strategy,
RangeType *key, Datum query) const RangeType *key, Datum query)
{ {
switch (strategy) switch (strategy)
{ {
@ -836,7 +836,7 @@ range_gist_consistent_int(TypeCacheEntry *typcache, StrategyNumber strategy,
*/ */
static bool static bool
range_gist_consistent_leaf(TypeCacheEntry *typcache, StrategyNumber strategy, range_gist_consistent_leaf(TypeCacheEntry *typcache, StrategyNumber strategy,
RangeType *key, Datum query) const RangeType *key, Datum query)
{ {
switch (strategy) switch (strategy)
{ {

52
src/backend/utils/adt/rangetypes_selfuncs.c
View File

@ -31,33 +31,33 @@
#include "utils/typcache.h" #include "utils/typcache.h"
static double calc_rangesel(TypeCacheEntry *typcache, VariableStatData *vardata, static double calc_rangesel(TypeCacheEntry *typcache, VariableStatData *vardata,
RangeType *constval, Oid operator); const RangeType *constval, Oid operator);
static double default_range_selectivity(Oid operator); static double default_range_selectivity(Oid operator);
static double calc_hist_selectivity(TypeCacheEntry *typcache, static double calc_hist_selectivity(TypeCacheEntry *typcache,
VariableStatData *vardata, RangeType *constval, VariableStatData *vardata, const RangeType *constval,
Oid operator); Oid operator);
static double calc_hist_selectivity_scalar(TypeCacheEntry *typcache, static double calc_hist_selectivity_scalar(TypeCacheEntry *typcache,
RangeBound *constbound, const RangeBound *constbound,
RangeBound *hist, int hist_nvalues, const RangeBound *hist, int hist_nvalues,
bool equal); bool equal);
static int rbound_bsearch(TypeCacheEntry *typcache, RangeBound *value, static int rbound_bsearch(TypeCacheEntry *typcache, const RangeBound *value,
RangeBound *hist, int hist_length, bool equal); const RangeBound *hist, int hist_length, bool equal);
static float8 get_position(TypeCacheEntry *typcache, RangeBound *value, static float8 get_position(TypeCacheEntry *typcache, const RangeBound *value,
RangeBound *hist1, RangeBound *hist2); const RangeBound *hist1, const RangeBound *hist2);
static float8 get_len_position(double value, double hist1, double hist2); static float8 get_len_position(double value, double hist1, double hist2);
static float8 get_distance(TypeCacheEntry *typcache, RangeBound *bound1, static float8 get_distance(TypeCacheEntry *typcache, const RangeBound *bound1,
RangeBound *bound2); const RangeBound *bound2);
static int length_hist_bsearch(Datum *length_hist_values, static int length_hist_bsearch(Datum *length_hist_values,
int length_hist_nvalues, double value, bool equal); int length_hist_nvalues, double value, bool equal);
static double calc_length_hist_frac(Datum *length_hist_values, static double calc_length_hist_frac(Datum *length_hist_values,
int length_hist_nvalues, double length1, double length2, bool equal); int length_hist_nvalues, double length1, double length2, bool equal);
static double calc_hist_selectivity_contained(TypeCacheEntry *typcache, static double calc_hist_selectivity_contained(TypeCacheEntry *typcache,
RangeBound *lower, RangeBound *upper, const RangeBound *lower, RangeBound *upper,
RangeBound *hist_lower, int hist_nvalues, const RangeBound *hist_lower, int hist_nvalues,
Datum *length_hist_values, int length_hist_nvalues); Datum *length_hist_values, int length_hist_nvalues);
static double calc_hist_selectivity_contains(TypeCacheEntry *typcache, static double calc_hist_selectivity_contains(TypeCacheEntry *typcache,
RangeBound *lower, RangeBound *upper, const RangeBound *lower, const RangeBound *upper,
RangeBound *hist_lower, int hist_nvalues, const RangeBound *hist_lower, int hist_nvalues,
Datum *length_hist_values, int length_hist_nvalues); Datum *length_hist_values, int length_hist_nvalues);
/* /*
@ -229,7 +229,7 @@ rangesel(PG_FUNCTION_ARGS)
static double static double
calc_rangesel(TypeCacheEntry *typcache, VariableStatData *vardata, calc_rangesel(TypeCacheEntry *typcache, VariableStatData *vardata,
RangeType *constval, Oid operator) const RangeType *constval, Oid operator)
{ {
double hist_selec; double hist_selec;
double selec; double selec;
@ -371,7 +371,7 @@ calc_rangesel(TypeCacheEntry *typcache, VariableStatData *vardata,
*/ */
static double static double
calc_hist_selectivity(TypeCacheEntry *typcache, VariableStatData *vardata, calc_hist_selectivity(TypeCacheEntry *typcache, VariableStatData *vardata,
RangeType *constval, Oid operator) const RangeType *constval, Oid operator)
{ {
AttStatsSlot hslot; AttStatsSlot hslot;
AttStatsSlot lslot; AttStatsSlot lslot;
@ -586,8 +586,8 @@ calc_hist_selectivity(TypeCacheEntry *typcache, VariableStatData *vardata,
* is true) a given const in a histogram of range bounds. * is true) a given const in a histogram of range bounds.
*/ */
static double static double
calc_hist_selectivity_scalar(TypeCacheEntry *typcache, RangeBound *constbound, calc_hist_selectivity_scalar(TypeCacheEntry *typcache, const RangeBound *constbound,
RangeBound *hist, int hist_nvalues, bool equal) const RangeBound *hist, int hist_nvalues, bool equal)
{ {
Selectivity selec; Selectivity selec;
int index; int index;
@ -618,7 +618,7 @@ calc_hist_selectivity_scalar(TypeCacheEntry *typcache, RangeBound *constbound,
* interpolation of portion of bounds which are less or equal to given bound. * interpolation of portion of bounds which are less or equal to given bound.
*/ */
static int static int
rbound_bsearch(TypeCacheEntry *typcache, RangeBound *value, RangeBound *hist, rbound_bsearch(TypeCacheEntry *typcache, const RangeBound *value, const RangeBound *hist,
int hist_length, bool equal) int hist_length, bool equal)
{ {
int lower = -1, int lower = -1,
@ -673,8 +673,8 @@ length_hist_bsearch(Datum *length_hist_values, int length_hist_nvalues,
* Get relative position of value in histogram bin in [0,1] range. * Get relative position of value in histogram bin in [0,1] range.
*/ */
static float8 static float8
get_position(TypeCacheEntry *typcache, RangeBound *value, RangeBound *hist1, get_position(TypeCacheEntry *typcache, const RangeBound *value, const RangeBound *hist1,
RangeBound *hist2) const RangeBound *hist2)
{ {
bool has_subdiff = OidIsValid(typcache->rng_subdiff_finfo.fn_oid); bool has_subdiff = OidIsValid(typcache->rng_subdiff_finfo.fn_oid);
float8 position; float8 position;
@ -795,7 +795,7 @@ get_len_position(double value, double hist1, double hist2)
* Measure distance between two range bounds. * Measure distance between two range bounds.
*/ */
static float8 static float8
get_distance(TypeCacheEntry *typcache, RangeBound *bound1, RangeBound *bound2) get_distance(TypeCacheEntry *typcache, const RangeBound *bound1, const RangeBound *bound2)
{ {
bool has_subdiff = OidIsValid(typcache->rng_subdiff_finfo.fn_oid); bool has_subdiff = OidIsValid(typcache->rng_subdiff_finfo.fn_oid);
@ -999,8 +999,8 @@ calc_length_hist_frac(Datum *length_hist_values, int length_hist_nvalues,
*/ */
static double static double
calc_hist_selectivity_contained(TypeCacheEntry *typcache, calc_hist_selectivity_contained(TypeCacheEntry *typcache,
RangeBound *lower, RangeBound *upper, const RangeBound *lower, RangeBound *upper,
RangeBound *hist_lower, int hist_nvalues, const RangeBound *hist_lower, int hist_nvalues,
Datum *length_hist_values, int length_hist_nvalues) Datum *length_hist_values, int length_hist_nvalues)
{ {
int i, int i,
@ -1109,8 +1109,8 @@ calc_hist_selectivity_contained(TypeCacheEntry *typcache,
*/ */
static double static double
calc_hist_selectivity_contains(TypeCacheEntry *typcache, calc_hist_selectivity_contains(TypeCacheEntry *typcache,
RangeBound *lower, RangeBound *upper, const RangeBound *lower, const RangeBound *upper,
RangeBound *hist_lower, int hist_nvalues, const RangeBound *hist_lower, int hist_nvalues,
Datum *length_hist_values, int length_hist_nvalues) Datum *length_hist_values, int length_hist_nvalues)
{ {
int i, int i,

24
src/backend/utils/adt/rangetypes_spgist.c
View File

@ -43,15 +43,15 @@
#include "utils/datum.h" #include "utils/datum.h"
#include "utils/rangetypes.h" #include "utils/rangetypes.h"
static int16 getQuadrant(TypeCacheEntry *typcache, RangeType *centroid, static int16 getQuadrant(TypeCacheEntry *typcache, const RangeType *centroid,
RangeType *tst); const RangeType *tst);
static int bound_cmp(const void *a, const void *b, void *arg); static int bound_cmp(const void *a, const void *b, void *arg);
static int adjacent_inner_consistent(TypeCacheEntry *typcache, static int adjacent_inner_consistent(TypeCacheEntry *typcache,
RangeBound *arg, RangeBound *centroid, const RangeBound *arg, const RangeBound *centroid,
RangeBound *prev); const RangeBound *prev);
static int adjacent_cmp_bounds(TypeCacheEntry *typcache, RangeBound *arg, static int adjacent_cmp_bounds(TypeCacheEntry *typcache, const RangeBound *arg,
RangeBound *centroid); const RangeBound *centroid);
/* /*
* SP-GiST 'config' interface function. * SP-GiST 'config' interface function.
@ -92,7 +92,7 @@ spg_range_quad_config(PG_FUNCTION_ARGS)
*---------- *----------
*/ */
static int16 static int16
getQuadrant(TypeCacheEntry *typcache, RangeType *centroid, RangeType *tst) getQuadrant(TypeCacheEntry *typcache, const RangeType *centroid, const RangeType *tst)
{ {
RangeBound centroidLower, RangeBound centroidLower,
centroidUpper; centroidUpper;
@ -785,8 +785,8 @@ spg_range_quad_inner_consistent(PG_FUNCTION_ARGS)
* For the "left" case, returns -1, and for the "right" case, returns 1. * For the "left" case, returns -1, and for the "right" case, returns 1.
*/ */
static int static int
adjacent_cmp_bounds(TypeCacheEntry *typcache, RangeBound *arg, adjacent_cmp_bounds(TypeCacheEntry *typcache, const RangeBound *arg,
RangeBound *centroid) const RangeBound *centroid)
{ {
int cmp; int cmp;
@ -887,8 +887,8 @@ adjacent_cmp_bounds(TypeCacheEntry *typcache, RangeBound *arg,
*---------- *----------
*/ */
static int static int
adjacent_inner_consistent(TypeCacheEntry *typcache, RangeBound *arg, adjacent_inner_consistent(TypeCacheEntry *typcache, const RangeBound *arg,
RangeBound *centroid, RangeBound *prev) const RangeBound *centroid, const RangeBound *prev)
{ {
if (prev) if (prev)
{ {

54
src/include/utils/rangetypes.h
View File

@ -92,46 +92,46 @@ typedef struct
* prototypes for functions defined in rangetypes.c * prototypes for functions defined in rangetypes.c
*/ */
extern bool range_contains_elem_internal(TypeCacheEntry *typcache, RangeType *r, Datum val); extern bool range_contains_elem_internal(TypeCacheEntry *typcache, const RangeType *r, Datum val);
/* internal versions of the above */ /* internal versions of the above */
extern bool range_eq_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_eq_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_ne_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_ne_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_contains_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_contains_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_contained_by_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_contained_by_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_before_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_before_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_after_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_after_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_adjacent_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_adjacent_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_overlaps_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_overlaps_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_overleft_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_overleft_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
extern bool range_overright_internal(TypeCacheEntry *typcache, RangeType *r1, extern bool range_overright_internal(TypeCacheEntry *typcache, const RangeType *r1,
RangeType *r2); const RangeType *r2);
/* assorted support functions */ /* assorted support functions */
extern TypeCacheEntry *range_get_typcache(FunctionCallInfo fcinfo, extern TypeCacheEntry *range_get_typcache(FunctionCallInfo fcinfo,
Oid rngtypid); Oid rngtypid);
extern RangeType *range_serialize(TypeCacheEntry *typcache, RangeBound *lower, extern RangeType *range_serialize(TypeCacheEntry *typcache, RangeBound *lower,
RangeBound *upper, bool empty); RangeBound *upper, bool empty);
extern void range_deserialize(TypeCacheEntry *typcache, RangeType *range, extern void range_deserialize(TypeCacheEntry *typcache, const RangeType *range,
RangeBound *lower, RangeBound *upper, RangeBound *lower, RangeBound *upper,
bool *empty); bool *empty);
extern char range_get_flags(RangeType *range); extern char range_get_flags(const RangeType *range);
extern void range_set_contain_empty(RangeType *range); extern void range_set_contain_empty(RangeType *range);
extern RangeType *make_range(TypeCacheEntry *typcache, RangeBound *lower, extern RangeType *make_range(TypeCacheEntry *typcache, RangeBound *lower,
RangeBound *upper, bool empty); RangeBound *upper, bool empty);
extern int range_cmp_bounds(TypeCacheEntry *typcache, RangeBound *b1, extern int range_cmp_bounds(TypeCacheEntry *typcache, const RangeBound *b1,
RangeBound *b2); const RangeBound *b2);
extern int range_cmp_bound_values(TypeCacheEntry *typcache, RangeBound *b1, extern int range_cmp_bound_values(TypeCacheEntry *typcache, const RangeBound *b1,
RangeBound *b2); const RangeBound *b2);
extern bool bounds_adjacent(TypeCacheEntry *typcache, RangeBound bound1, extern bool bounds_adjacent(TypeCacheEntry *typcache, RangeBound bound1,
RangeBound bound2); RangeBound bound2);
extern RangeType *make_empty_range(TypeCacheEntry *typcache); extern RangeType *make_empty_range(TypeCacheEntry *typcache);