Subject: [PATCH 1/2] Fix not-null constraint representation in \d+

From: Kyotaro Horiguchi <[email-masked]>
Date: Mon, 28 Aug 2023 14:38:58 +0900

The recent commit b0e96f3119 added the description about not-null
constraints in the output of \d+ command. It hided constraints' origin
when it is marked as NO INHERIT.  Show their origin irrespective of
the NO INHERIT state.
---
 src/bin/psql/describe.c                       | 22 +++++++---
 src/test/regress/expected/constraints.out     | 12 ++---
 src/test/regress/expected/create_table.out    |  6 +--
 .../regress/expected/create_table_like.out    |  6 +--
 src/test/regress/expected/foreign_data.out    | 44 +++++++++----------
 src/test/regress/expected/generated.out       |  2 +-
 src/test/regress/expected/inherit.out         | 30 ++++++-------
 7 files changed, 66 insertions(+), 56 deletions(-)

diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index bac94a338c..3bf1c0cb97 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -3079,16 +3079,26 @@ describeOneTableDetails(const char *schemaname,
 			/* Might be an empty set - that's ok */
 			for (i = 0; i < tuples; i++)
 			{
+				bool		noinherit = PQgetvalue(result, i, 2)[0] == 't';
 				bool		islocal = PQgetvalue(result, i, 3)[0] == 't';
 				bool		inherited = PQgetvalue(result, i, 4)[0] == 't';
 
-				printfPQExpBuffer(&buf, "    \"%s\" NOT NULL \"%s\"%s",
+				printfPQExpBuffer(&buf, "    \"%s\" NOT NULL \"%s\"",
 								  PQgetvalue(result, i, 0),
-								  PQgetvalue(result, i, 1),
-								  PQgetvalue(result, i, 2)[0] == 't' ?
-								  " NO INHERIT" :
-								  islocal && inherited ? _(" (local, inherited)") :
-								  inherited ? _(" (inherited)") : "");
+								  PQgetvalue(result, i, 1));
+				if (inherited || noinherit)
+				{
+					appendPQExpBufferChar(&buf, ':');
+
+					if (inherited)
+					{
+						if (islocal)
+							appendPQExpBufferStr(&buf, _(" local"));
+						appendPQExpBufferStr(&buf, _(" inherited"));
+					}
+					if (noinherit)
+						appendPQExpBufferStr(&buf, _(" uninheritable"));
+				}
 
 				printTableAddFooter(&cont, buf.data);
 			}
diff --git a/src/test/regress/expected/constraints.out b/src/test/regress/expected/constraints.out
index b7de50ad6a..d4adbaa518 100644
--- a/src/test/regress/expected/constraints.out
+++ b/src/test/regress/expected/constraints.out
@@ -914,7 +914,7 @@ ALTER TABLE cnn_parent ADD PRIMARY KEY (b);
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (local, inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": local inherited
 Inherits: cnn_child
 Child tables: cnn_grandchild2
 
@@ -925,7 +925,7 @@ Child tables: cnn_grandchild2
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": inherited
 Inherits: cnn_grandchild,
           cnn_child2
 
@@ -951,7 +951,7 @@ ERROR:  multiple primary keys for table "cnn_parent" are not allowed
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (local, inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": local inherited
 Inherits: cnn_child
 Child tables: cnn_grandchild2
 
@@ -962,7 +962,7 @@ Child tables: cnn_grandchild2
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": inherited
 Inherits: cnn_grandchild,
           cnn_child2
 
@@ -988,7 +988,7 @@ ALTER TABLE cnn_parent ADD PRIMARY KEY USING INDEX b_uq;
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (local, inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": local inherited
 Inherits: cnn_child
 Child tables: cnn_grandchild2
 
@@ -999,7 +999,7 @@ Child tables: cnn_grandchild2
  a      | integer |           |          |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "cnn_grandchild_b_not_null" NOT NULL "b" (inherited)
+    "cnn_grandchild_b_not_null" NOT NULL "b": inherited
 Inherits: cnn_grandchild,
           cnn_child2
 
diff --git a/src/test/regress/expected/create_table.out b/src/test/regress/expected/create_table.out
index 344d05233a..293e4292e9 100644
--- a/src/test/regress/expected/create_table.out
+++ b/src/test/regress/expected/create_table.out
@@ -855,7 +855,7 @@ drop table test_part_coll_posix;
 Partition of: parted FOR VALUES IN ('b')
 Partition constraint: ((a IS NOT NULL) AND (a = 'b'::text))
 Not-null constraints:
-    "part_b_b_not_null" NOT NULL "b" (local, inherited)
+    "part_b_b_not_null" NOT NULL "b": local inherited
 
 -- Both partition bound and partition key in describe output
 \d+ part_c
@@ -868,7 +868,7 @@ Partition of: parted FOR VALUES IN ('c')
 Partition constraint: ((a IS NOT NULL) AND (a = 'c'::text))
 Partition key: RANGE (b)
 Not-null constraints:
-    "part_c_b_not_null" NOT NULL "b" (local, inherited)
+    "part_c_b_not_null" NOT NULL "b": local inherited
 Partitions: part_c_1_10 FOR VALUES FROM (1) TO (10)
 
 -- a level-2 partition's constraint will include the parent's expressions
@@ -881,7 +881,7 @@ Partitions: part_c_1_10 FOR VALUES FROM (1) TO (10)
 Partition of: part_c FOR VALUES FROM (1) TO (10)
 Partition constraint: ((a IS NOT NULL) AND (a = 'c'::text) AND (b IS NOT NULL) AND (b >= 1) AND (b < 10))
 Not-null constraints:
-    "part_c_b_not_null" NOT NULL "b" (inherited)
+    "part_c_b_not_null" NOT NULL "b": inherited
 
 -- Show partition count in the parent's describe output
 -- Tempted to include \d+ output listing partitions with bound info but
diff --git a/src/test/regress/expected/create_table_like.out b/src/test/regress/expected/create_table_like.out
index 61956773ff..6604d0c7fa 100644
--- a/src/test/regress/expected/create_table_like.out
+++ b/src/test/regress/expected/create_table_like.out
@@ -360,7 +360,7 @@ NOTICE:  merging constraint "ctlt1_a_check" with inherited definition
 Check constraints:
     "ctlt1_a_check" CHECK (length(a) > 2)
 Not-null constraints:
-    "ctlt1_inh_a_not_null" NOT NULL "a" (local, inherited)
+    "ctlt1_inh_a_not_null" NOT NULL "a": local inherited
 Inherits: ctlt1
 
 SELECT description FROM pg_description, pg_constraint c WHERE classoid = 'pg_constraint'::regclass AND objoid = c.oid AND c.conrelid = 'ctlt1_inh'::regclass;
@@ -383,7 +383,7 @@ Check constraints:
     "ctlt3_a_check" CHECK (length(a) < 5)
     "ctlt3_c_check" CHECK (length(c) < 7)
 Not-null constraints:
-    "ctlt13_inh_a_not_null" NOT NULL "a" (inherited)
+    "ctlt13_inh_a_not_null" NOT NULL "a": inherited
 Inherits: ctlt1,
           ctlt3
 
@@ -403,7 +403,7 @@ Check constraints:
     "ctlt3_a_check" CHECK (length(a) < 5)
     "ctlt3_c_check" CHECK (length(c) < 7)
 Not-null constraints:
-    "ctlt13_like_a_not_null" NOT NULL "a" (inherited)
+    "ctlt13_like_a_not_null" NOT NULL "a": inherited
 Inherits: ctlt1
 
 SELECT description FROM pg_description, pg_constraint c WHERE classoid = 'pg_constraint'::regclass AND objoid = c.oid AND c.conrelid = 'ctlt13_like'::regclass;
diff --git a/src/test/regress/expected/foreign_data.out b/src/test/regress/expected/foreign_data.out
index 1dfe23cc1e..17cdd7e5b3 100644
--- a/src/test/regress/expected/foreign_data.out
+++ b/src/test/regress/expected/foreign_data.out
@@ -1421,7 +1421,7 @@ Child tables: ft2, FOREIGN
  c2     | text    |           |          |         |             | extended |              | 
  c3     | date    |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "fd_pt1_c1_not_null" NOT NULL "c1" (inherited)
+    "fd_pt1_c1_not_null" NOT NULL "c1": inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1474,7 +1474,7 @@ Child tables: ft2, FOREIGN
  c2     | text    |           |          |         |             | extended |              | 
  c3     | date    |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1497,7 +1497,7 @@ NOTICE:  merging column "c3" with inherited definition
  c2     | text    |           |          |         |             | extended |              | 
  c3     | date    |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1512,7 +1512,7 @@ Child tables: ct3,
  c2     | text    |           |          |         | extended |              | 
  c3     | date    |           |          |         | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (inherited)
+    "ft2_c1_not_null" NOT NULL "c1": inherited
 Inherits: ft2
 
 \d+ ft3
@@ -1523,7 +1523,7 @@ Inherits: ft2
  c2     | text    |           |          |         |             | extended |              | 
  c3     | date    |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft3_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft3_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 Inherits: ft2
 
@@ -1563,8 +1563,8 @@ Child tables: ft2, FOREIGN
  c7     | integer |           | not null |         |             | plain    |              | 
  c8     | integer |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
-    "fd_pt1_c7_not_null" NOT NULL "c7" (inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
+    "fd_pt1_c7_not_null" NOT NULL "c7": inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1584,8 +1584,8 @@ Child tables: ct3,
  c7     | integer |           | not null |         | plain    |              | 
  c8     | integer |           |          |         | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (inherited)
-    "fd_pt1_c7_not_null" NOT NULL "c7" (inherited)
+    "ft2_c1_not_null" NOT NULL "c1": inherited
+    "fd_pt1_c7_not_null" NOT NULL "c7": inherited
 Inherits: ft2
 
 \d+ ft3
@@ -1601,8 +1601,8 @@ Inherits: ft2
  c7     | integer |           | not null |         |             | plain    |              | 
  c8     | integer |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft3_c1_not_null" NOT NULL "c1" (local, inherited)
-    "fd_pt1_c7_not_null" NOT NULL "c7" (inherited)
+    "ft3_c1_not_null" NOT NULL "c1": local inherited
+    "fd_pt1_c7_not_null" NOT NULL "c7": inherited
 Server: s0
 Inherits: ft2
 
@@ -1649,8 +1649,8 @@ Child tables: ft2, FOREIGN
  c7     | integer |           |          |         |             | plain    |              | 
  c8     | text    |           |          |         |             | external |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
-    "fd_pt1_c6_not_null" NOT NULL "c6" (inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
+    "fd_pt1_c6_not_null" NOT NULL "c6": inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1682,7 +1682,7 @@ Child tables: ft2, FOREIGN
  c2     | text    |           |          |         |             | extended |              | 
  c3     | date    |           |          |         |             | plain    |              | 
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1729,7 +1729,7 @@ Child tables: ft2, FOREIGN
 Check constraints:
     "fd_pt1chk2" CHECK (c2 <> ''::text)
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1780,7 +1780,7 @@ Child tables: ft2, FOREIGN
 Check constraints:
     "fd_pt1chk2" CHECK (c2 <> ''::text)
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1815,7 +1815,7 @@ Check constraints:
     "fd_pt1chk2" CHECK (c2 <> ''::text)
     "fd_pt1chk3" CHECK (c2 <> ''::text) NOT VALID
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1846,7 +1846,7 @@ Check constraints:
     "fd_pt1chk2" CHECK (c2 <> ''::text)
     "fd_pt1chk3" CHECK (c2 <> ''::text)
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "c1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "c1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1881,7 +1881,7 @@ Check constraints:
     "f2_check" CHECK (f2 <> ''::text)
     "fd_pt1chk2" CHECK (f2 <> ''::text)
 Not-null constraints:
-    "ft2_c1_not_null" NOT NULL "f1" (local, inherited)
+    "ft2_c1_not_null" NOT NULL "f1": local inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 Inherits: fd_pt1
@@ -1942,7 +1942,7 @@ Partitions: fd_pt2_1 FOR VALUES IN (1), FOREIGN
 Partition of: fd_pt2 FOR VALUES IN (1)
 Partition constraint: ((c1 IS NOT NULL) AND (c1 = 1))
 Not-null constraints:
-    "fd_pt2_c1_not_null" NOT NULL "c1" (inherited)
+    "fd_pt2_c1_not_null" NOT NULL "c1": inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 
@@ -2024,7 +2024,7 @@ Partitions: fd_pt2_1 FOR VALUES IN (1), FOREIGN
 Partition of: fd_pt2 FOR VALUES IN (1)
 Partition constraint: ((c1 IS NOT NULL) AND (c1 = 1))
 Not-null constraints:
-    "fd_pt2_1_c1_not_null" NOT NULL "c1" (inherited)
+    "fd_pt2_1_c1_not_null" NOT NULL "c1": inherited
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
 
@@ -2058,7 +2058,7 @@ Partition constraint: ((c1 IS NOT NULL) AND (c1 = 1))
 Check constraints:
     "p21chk" CHECK (c2 <> ''::text)
 Not-null constraints:
-    "fd_pt2_1_c1_not_null" NOT NULL "c1" (inherited)
+    "fd_pt2_1_c1_not_null" NOT NULL "c1": inherited
     "fd_pt2_1_c3_not_null" NOT NULL "c3"
 Server: s0
 FDW options: (delimiter ',', quote '"', "be quoted" 'value')
diff --git a/src/test/regress/expected/generated.out b/src/test/regress/expected/generated.out
index dc97ed3fe0..4a1744f129 100644
--- a/src/test/regress/expected/generated.out
+++ b/src/test/regress/expected/generated.out
@@ -316,7 +316,7 @@ NOTICE:  merging column "b" with inherited definition
  b      | integer |           |          | generated always as (a * 22) stored | plain   |              | 
  x      | integer |           |          |                                     | plain   |              | 
 Not-null constraints:
-    "gtestx_a_not_null" NOT NULL "a" (inherited)
+    "gtestx_a_not_null" NOT NULL "a": inherited
 Inherits: gtest1
 
 CREATE TABLE gtestxx_1 (a int NOT NULL, b int);
diff --git a/src/test/regress/expected/inherit.out b/src/test/regress/expected/inherit.out
index 6daca12340..c80e398f71 100644
--- a/src/test/regress/expected/inherit.out
+++ b/src/test/regress/expected/inherit.out
@@ -2007,7 +2007,7 @@ Child tables: cc2
  f4     | double precision |           |          |         | plain    |              | 
  a2     | integer          |           | not null |         | plain    |              | 
 Not-null constraints:
-    "nn" NOT NULL "a2" (inherited)
+    "nn" NOT NULL "a2": inherited
 Inherits: pp1,
           cc1
 
@@ -2031,7 +2031,7 @@ Child tables: cc1,
  f3     | integer |           |          |         | plain    |              | 
  a2     | integer |           | not null |         | plain    |              | 
 Not-null constraints:
-    "pp1_f1_not_null" NOT NULL "f1" (inherited)
+    "pp1_f1_not_null" NOT NULL "f1": inherited
     "nn" NOT NULL "a2"
 Inherits: pp1
 Child tables: cc2
@@ -2046,8 +2046,8 @@ Child tables: cc2
  f4     | double precision |           |          |         | plain    |              | 
  a2     | integer          |           | not null |         | plain    |              | 
 Not-null constraints:
-    "pp1_f1_not_null" NOT NULL "f1" (inherited)
-    "nn" NOT NULL "a2" (inherited)
+    "pp1_f1_not_null" NOT NULL "f1": inherited
+    "nn" NOT NULL "a2": inherited
 Inherits: pp1,
           cc1
 
@@ -2065,7 +2065,7 @@ alter table cc1 alter column a2 drop not null;
  f3     | integer |           |          |         | plain    |              | 
  a2     | integer |           |          |         | plain    |              | 
 Not-null constraints:
-    "pp1_f1_not_null" NOT NULL "f1" (inherited)
+    "pp1_f1_not_null" NOT NULL "f1": inherited
 Inherits: pp1
 Child tables: cc2
 
@@ -2082,7 +2082,7 @@ ERROR:  cannot drop inherited constraint "pp1_f1_not_null" of relation "cc2"
  f4     | double precision |           |          |         | plain    |              | 
  a2     | integer          |           |          |         | plain    |              | 
 Not-null constraints:
-    "pp1_f1_not_null" NOT NULL "f1" (inherited)
+    "pp1_f1_not_null" NOT NULL "f1": inherited
 Inherits: pp1,
           cc1
 
@@ -2112,8 +2112,8 @@ create table inh_child () inherits (inh_parent1, inh_parent2);
  a      | integer |           | not null |         | plain   |              | 
  b      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "nn" NOT NULL "a" (inherited)
-    "inh_child_b_not_null" NOT NULL "b" (inherited)
+    "nn" NOT NULL "a": inherited
+    "inh_child_b_not_null" NOT NULL "b": inherited
 Inherits: inh_parent1,
           inh_parent2
 
@@ -2147,9 +2147,9 @@ select conrelid::regclass, conname, contype, conkey,
  d      | integer |           | not null |         | plain   |              | 
  e      | integer |           |          |         | plain   |              | 
 Not-null constraints:
-    "inh_child_a_not_null" NOT NULL "a" (inherited)
-    "inh_child_b_not_null" NOT NULL "b" (inherited)
-    "inh_child_d_not_null" NOT NULL "d" (inherited)
+    "inh_child_a_not_null" NOT NULL "a": inherited
+    "inh_child_b_not_null" NOT NULL "b": inherited
+    "inh_child_d_not_null" NOT NULL "d": inherited
 Inherits: inh_parent1,
           inh_parent2
 
@@ -2188,7 +2188,7 @@ Inherits: inh_nn_parent
 --------+---------+-----------+----------+---------+---------+--------------+-------------
  a      | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "inh_nn_parent_a_not_null" NOT NULL "a" NO INHERIT
+    "inh_nn_parent_a_not_null" NOT NULL "a": uninheritable
 Child tables: inh_nn_child,
               inh_nn_child2
 
@@ -2223,7 +2223,7 @@ Child tables: inh_child1
 --------+---------+-----------+----------+---------+---------+--------------+-------------
  f1     | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "inh_child1_f1_not_null" NOT NULL "f1" (local, inherited)
+    "inh_child1_f1_not_null" NOT NULL "f1": local inherited
 Inherits: inh_parent
 Child tables: inh_child2
 
@@ -2233,7 +2233,7 @@ Child tables: inh_child2
 --------+---------+-----------+----------+---------+---------+--------------+-------------
  f1     | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "inh_child2_f1_not_null" NOT NULL "f1" (local, inherited)
+    "inh_child2_f1_not_null" NOT NULL "f1": local inherited
 Inherits: inh_child1
 
 select conrelid::regclass, conname, contype, coninhcount, conislocal
@@ -2277,7 +2277,7 @@ Child tables: inh_child2,
 --------+---------+-----------+----------+---------+---------+--------------+-------------
  f1     | integer |           | not null |         | plain   |              | 
 Not-null constraints:
-    "inh_child2_f1_not_null" NOT NULL "f1" (local, inherited)
+    "inh_child2_f1_not_null" NOT NULL "f1": local inherited
 Inherits: inh_child1
 
 select conrelid::regclass, conname, contype, coninhcount, conislocal
-- 
2.39.3

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