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Add pg_freespacemap extension sql test
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* Add pg_freespacemap extension sql test
@ 2022-03-08 14:39 Dong Wook Lee <[email protected]>
  2022-03-08 14:43 ` Re: Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
  2022-03-08 14:45 ` Re: Add pg_freespacemap extension sql test Justin Pryzby <[email protected]>
  0 siblings, 2 replies; 5+ messages in thread

From: Dong Wook Lee @ 2022-03-08 14:39 UTC (permalink / raw)
  To: pgsql-hackers

Hi,
I just added some tests for the pg_freespacemap extension because the test
coverage was 0 percent.
But I don't know if I did it correctly.

---
Regards
Lee Dong Wook


Attachments:

  [application/octet-stream] 0001_add_link_fsm.patch (653B, ../../CAAcByaJ5KW3bd7fJr=jPEyK8M_UzXJFHHBVuOcBe+JHD8txRyQ@mail.gmail.com/3-0001_add_link_fsm.patch)
  download | inline diff:
diff --git a/doc/src/sgml/pgfreespacemap.sgml b/doc/src/sgml/pgfreespacemap.sgml
index 5025498249..0ab3307e9c 100644
--- a/doc/src/sgml/pgfreespacemap.sgml
+++ b/doc/src/sgml/pgfreespacemap.sgml
@@ -9,7 +9,7 @@
 
  <para>
   The <filename>pg_freespacemap</filename> module provides a means for examining the
-  free space map (FSM). It provides a function called
+  <link linkend="storage-fsm">free space map</link> (FSM). It provides a function called
   <function>pg_freespace</function>, or two overloaded functions, to be
   precise. The functions show the value recorded in the free space map for
   a given page, or for all pages in the relation.


^ permalink  raw  reply  [nested|flat] 5+ messages in thread

* Re: Add pg_freespacemap extension sql test
  2022-03-08 14:39 Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
@ 2022-03-08 14:43 ` Dong Wook Lee <[email protected]>
  1 sibling, 0 replies; 5+ messages in thread

From: Dong Wook Lee @ 2022-03-08 14:43 UTC (permalink / raw)
  To: pgsql-hackers

I'm sorry for attaching the wrong patch file.

2022년 3월 8일 (화) 오후 11:39, Dong Wook Lee <[email protected]>님이 작성:

> Hi,
> I just added some tests for the pg_freespacemap extension because the test
> coverage was 0 percent.
> But I don't know if I did it correctly.
>
> ---
> Regards
> Lee Dong Wook
>


Attachments:

  [application/octet-stream] 0001_add_test_pg_fsm.patch (2.0K, ../../CAAcByaKWYktP-DdZMZ-NSKiuXK5XtGKTKM5P8ae1EfNF2EKguA@mail.gmail.com/3-0001_add_test_pg_fsm.patch)
  download | inline diff:
diff --git a/contrib/pg_freespacemap/Makefile b/contrib/pg_freespacemap/Makefile
index da40b80c7c..2d525a1284 100644
--- a/contrib/pg_freespacemap/Makefile
+++ b/contrib/pg_freespacemap/Makefile
@@ -10,6 +10,8 @@ DATA = pg_freespacemap--1.1.sql pg_freespacemap--1.1--1.2.sql \
 	pg_freespacemap--1.0--1.1.sql
 PGFILEDESC = "pg_freespacemap - monitoring of free space map"
 
+REGRESS = pg_freespacemap
+
 ifdef USE_PGXS
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
diff --git a/contrib/pg_freespacemap/expected/pg_freespacemap.out b/contrib/pg_freespacemap/expected/pg_freespacemap.out
new file mode 100644
index 0000000000..fc975b9050
--- /dev/null
+++ b/contrib/pg_freespacemap/expected/pg_freespacemap.out
@@ -0,0 +1,36 @@
+CREATE EXTENSION pg_freespacemap;
+CREATE TABLE t1(c1 int);
+INSERT INTO t1 VALUES (generate_series(1, 1000));
+VACUUM t1;
+SELECT * FROM pg_freespace('t1');
+ blkno | avail 
+-------+-------
+     0 |     0
+     1 |     0
+     2 |     0
+     3 |     0
+     4 |  4704
+(5 rows)
+
+DELETE FROM t1 WHERE c1 <= 10;
+VACUUM t1;
+SELECT * FROM pg_freespace('t1');
+ blkno | avail 
+-------+-------
+     0 |   320
+     1 |     0
+     2 |     0
+     3 |     0
+     4 |  4704
+(5 rows)
+
+SELECT * FROM pg_freespace('t1', 0);
+ pg_freespace 
+--------------
+          320
+(1 row)
+
+SELECT * FROM pg_freespace('t1', -1);
+ERROR:  invalid block number
+SELECT * FROM pg_freespace('t1', 4294967295);
+ERROR:  invalid block number
diff --git a/contrib/pg_freespacemap/sql/pg_freespacemap.sql b/contrib/pg_freespacemap/sql/pg_freespacemap.sql
new file mode 100644
index 0000000000..cc175322cd
--- /dev/null
+++ b/contrib/pg_freespacemap/sql/pg_freespacemap.sql
@@ -0,0 +1,17 @@
+CREATE EXTENSION pg_freespacemap;
+
+CREATE TABLE t1(c1 int);
+
+INSERT INTO t1 VALUES (generate_series(1, 1000));
+VACUUM t1;
+
+SELECT * FROM pg_freespace('t1');
+
+DELETE FROM t1 WHERE c1 <= 10;
+VACUUM t1;
+
+SELECT * FROM pg_freespace('t1');
+SELECT * FROM pg_freespace('t1', 0);
+
+SELECT * FROM pg_freespace('t1', -1);
+SELECT * FROM pg_freespace('t1', 4294967295);


^ permalink  raw  reply  [nested|flat] 5+ messages in thread

* Re: Add pg_freespacemap extension sql test
  2022-03-08 14:39 Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
@ 2022-03-08 14:45 ` Justin Pryzby <[email protected]>
  2022-03-08 14:54   ` Re: Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
  1 sibling, 1 reply; 5+ messages in thread

From: Justin Pryzby @ 2022-03-08 14:45 UTC (permalink / raw)
  To: Dong Wook Lee <[email protected]>; +Cc: pgsql-hackers

On Tue, Mar 08, 2022 at 11:39:08PM +0900, Dong Wook Lee wrote:
> Hi,
> I just added some tests for the pg_freespacemap extension because the test
> coverage was 0 percent.
> But I don't know if I did it correctly.

The patch only touches doc/*.sgml.
I suppose you forgot to use "git add".

-- 
Justin






^ permalink  raw  reply  [nested|flat] 5+ messages in thread

* Re: Add pg_freespacemap extension sql test
  2022-03-08 14:39 Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
  2022-03-08 14:45 ` Re: Add pg_freespacemap extension sql test Justin Pryzby <[email protected]>
@ 2022-03-08 14:54   ` Dong Wook Lee <[email protected]>
  0 siblings, 0 replies; 5+ messages in thread

From: Dong Wook Lee @ 2022-03-08 14:54 UTC (permalink / raw)
  To: Justin Pryzby <[email protected]>; +Cc: pgsql-hackers

That's right, so I attached the correct file again.


2022년 3월 8일 (화) 오후 11:45, Justin Pryzby <[email protected]>님이 작성:

> On Tue, Mar 08, 2022 at 11:39:08PM +0900, Dong Wook Lee wrote:
> > Hi,
> > I just added some tests for the pg_freespacemap extension because the
> test
> > coverage was 0 percent.
> > But I don't know if I did it correctly.
>
> The patch only touches doc/*.sgml.
> I suppose you forgot to use "git add".
>
> --
> Justin
>


^ permalink  raw  reply  [nested|flat] 5+ messages in thread

* [PATCH v1 1/1] remove WaitEventCustomCounterData
@ 2026-07-09 02:50 Nathan Bossart <[email protected]>
  0 siblings, 0 replies; 5+ messages in thread

From: Nathan Bossart @ 2026-07-09 02:50 UTC (permalink / raw)

---
 src/backend/utils/activity/wait_event.c | 29 ++++++-------------------
 src/tools/pgindent/typedefs.list        |  1 -
 2 files changed, 7 insertions(+), 23 deletions(-)

diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c
index 95635c7f56c..7ee6f99fb50 100644
--- a/src/backend/utils/activity/wait_event.c
+++ b/src/backend/utils/activity/wait_event.c
@@ -81,14 +81,7 @@ typedef struct WaitEventCustomEntryByName
 
 
 /* dynamic allocation counter for custom wait events */
-typedef struct WaitEventCustomCounterData
-{
-	int			nextId;			/* next ID to assign */
-	slock_t		mutex;			/* protects the counter */
-} WaitEventCustomCounterData;
-
-/* pointer to the shared memory */
-static WaitEventCustomCounterData *WaitEventCustomCounter;
+static int *WaitEventCustomCounter;
 
 /* first event ID of custom wait events */
 #define WAIT_EVENT_CUSTOM_INITIAL_ID	1
@@ -110,8 +103,8 @@ const ShmemCallbacks WaitEventCustomShmemCallbacks = {
 static void
 WaitEventCustomShmemRequest(void *arg)
 {
-	ShmemRequestStruct(.name = "WaitEventCustomCounterData",
-					   .size = sizeof(WaitEventCustomCounterData),
+	ShmemRequestStruct(.name = "WaitEventCustomCounter",
+					   .size = sizeof(int),
 					   .ptr = (void **) &WaitEventCustomCounter,
 		);
 	ShmemRequestHash(.name = "WaitEventCustom hash by wait event information",
@@ -134,9 +127,8 @@ WaitEventCustomShmemRequest(void *arg)
 static void
 WaitEventCustomShmemInit(void *arg)
 {
-	/* initialize the allocation counter and its spinlock. */
-	WaitEventCustomCounter->nextId = WAIT_EVENT_CUSTOM_INITIAL_ID;
-	SpinLockInit(&WaitEventCustomCounter->mutex);
+	/* initialize the allocation counter */
+	*WaitEventCustomCounter = WAIT_EVENT_CUSTOM_INITIAL_ID;
 }
 
 /*
@@ -221,19 +213,12 @@ WaitEventCustomNew(uint32 classId, const char *wait_event_name)
 	}
 
 	/* Allocate a new event Id */
-	SpinLockAcquire(&WaitEventCustomCounter->mutex);
-
-	if (WaitEventCustomCounter->nextId >= WAIT_EVENT_CUSTOM_HASH_SIZE)
-	{
-		SpinLockRelease(&WaitEventCustomCounter->mutex);
+	if (*WaitEventCustomCounter >= WAIT_EVENT_CUSTOM_HASH_SIZE)
 		ereport(ERROR,
 				errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
 				errmsg("too many custom wait events"));
-	}
-
-	eventId = WaitEventCustomCounter->nextId++;
 
-	SpinLockRelease(&WaitEventCustomCounter->mutex);
+	eventId = (*WaitEventCustomCounter)++;
 
 	/* Register the new wait event */
 	wait_event_info = classId | eventId;
diff --git a/src/tools/pgindent/typedefs.list b/src/tools/pgindent/typedefs.list
index ffb413ab612..3174e0e4ab8 100644
--- a/src/tools/pgindent/typedefs.list
+++ b/src/tools/pgindent/typedefs.list
@@ -3418,7 +3418,6 @@ WaitEvent
 WaitEventActivity
 WaitEventBuffer
 WaitEventClient
-WaitEventCustomCounterData
 WaitEventCustomEntryByInfo
 WaitEventCustomEntryByName
 WaitEventIO
-- 
2.50.1 (Apple Git-155)


--65l7A33W789+zwjF--





^ permalink  raw  reply  [nested|flat] 5+ messages in thread


end of thread, other threads:[~2026-07-09 02:50 UTC | newest]

Thread overview: 5+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2022-03-08 14:39 Add pg_freespacemap extension sql test Dong Wook Lee <[email protected]>
2022-03-08 14:43 ` Dong Wook Lee <[email protected]>
2022-03-08 14:45 ` Justin Pryzby <[email protected]>
2022-03-08 14:54   ` Dong Wook Lee <[email protected]>
2026-07-09 02:50 [PATCH v1 1/1] remove WaitEventCustomCounterData Nathan Bossart <[email protected]>

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