diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index c8bd84c56e..e0851c52b4 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -9647,7 +9647,7 @@ SCRAM-SHA-256$<iteration count>:&l
- empty_range_frac float4
+ range_empty_frac float4
Fraction of column entries whose values are empty ranges.
@@ -9657,13 +9657,21 @@ SCRAM-SHA-256$<iteration count>:&l
- range_bounds_histograms anyarray
+ range_lower_histogram anyarray
- Histograms of lower and upper bounds of non-empty, non-null ranges,
- combined into a single array of range values. The lower and upper bounds
- of each value correspond to the histograms of lower and upper bounds
- respectively. (Null for non-range types.)
+ A histogram of lower bounds of non-empty and non-null range values.
+ (Null for non-range types.)
+
+
+
+
+
+ range_upper_histogram anyarray
+
+
+ A histogram of upper bounds of non-empty and non-null range values.
+ (Null for non-range types.)
diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index ac99d41f80..b3b9e64ae2 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -264,14 +264,14 @@ CREATE VIEW pg_stats WITH (security_barrier) AS
WHEN stakind3 = 7 THEN ranges_lower_bounds(stavalues3)
WHEN stakind4 = 7 THEN ranges_lower_bounds(stavalues4)
WHEN stakind5 = 7 THEN ranges_lower_bounds(stavalues5)
- END AS range_lower_bounds_histograms,
+ END AS range_lower_histogram,
CASE
WHEN stakind1 = 7 THEN ranges_upper_bounds(stavalues1)
WHEN stakind2 = 7 THEN ranges_upper_bounds(stavalues2)
WHEN stakind3 = 7 THEN ranges_upper_bounds(stavalues3)
WHEN stakind4 = 7 THEN ranges_upper_bounds(stavalues4)
WHEN stakind5 = 7 THEN ranges_upper_bounds(stavalues5)
- END AS range_upper_bounds_histograms
+ END AS range_upper_histogram
FROM pg_statistic s JOIN pg_class c ON (c.oid = s.starelid)
JOIN pg_attribute a ON (c.oid = attrelid AND attnum = s.staattnum)
LEFT JOIN pg_namespace n ON (n.oid = c.relnamespace)
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index ced5933271..26087dfdf5 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -2452,15 +2452,23 @@ pg_stats| SELECT n.nspname AS schemaname,
WHEN (s.stakind4 = 6) THEN s.stanumbers4[1]
WHEN (s.stakind5 = 6) THEN s.stanumbers5[1]
ELSE NULL::real
- END AS empty_range_frac,
+ END AS range_empty_frac,
CASE
- WHEN (s.stakind1 = 7) THEN s.stavalues1
- WHEN (s.stakind2 = 7) THEN s.stavalues2
- WHEN (s.stakind3 = 7) THEN s.stavalues3
- WHEN (s.stakind4 = 7) THEN s.stavalues4
- WHEN (s.stakind5 = 7) THEN s.stavalues5
+ WHEN (s.stakind1 = 7) THEN ranges_lower_bounds(s.stavalues1)
+ WHEN (s.stakind2 = 7) THEN ranges_lower_bounds(s.stavalues2)
+ WHEN (s.stakind3 = 7) THEN ranges_lower_bounds(s.stavalues3)
+ WHEN (s.stakind4 = 7) THEN ranges_lower_bounds(s.stavalues4)
+ WHEN (s.stakind5 = 7) THEN ranges_lower_bounds(s.stavalues5)
ELSE NULL::anyarray
- END AS range_bounds_histograms
+ END AS range_lower_histogram,
+ CASE
+ WHEN (s.stakind1 = 7) THEN ranges_upper_bounds(s.stavalues1)
+ WHEN (s.stakind2 = 7) THEN ranges_upper_bounds(s.stavalues2)
+ WHEN (s.stakind3 = 7) THEN ranges_upper_bounds(s.stavalues3)
+ WHEN (s.stakind4 = 7) THEN ranges_upper_bounds(s.stavalues4)
+ WHEN (s.stakind5 = 7) THEN ranges_upper_bounds(s.stavalues5)
+ ELSE NULL::anyarray
+ END AS range_upper_histogram
FROM (((pg_statistic s
JOIN pg_class c ON ((c.oid = s.starelid)))
JOIN pg_attribute a ON (((c.oid = a.attrelid) AND (a.attnum = s.staattnum))))