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Commit2d00190

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Rationalize common/relpath.[hc].
Commita730183 created rather a mess byputting dependencies on backend-only include files into include/common.We really shouldn't do that. To clean it up:* Move TABLESPACE_VERSION_DIRECTORY back to its longtime home incatalog/catalog.h. We won't consider this symbol part of the FE/BE API.* Push enum ForkNumber from relfilenode.h into relpath.h. We'll considerrelpath.h as the source of truth for fork numbers, since relpath.c wasalready partially serving that function, and anyway relfilenode.h waskind of a random place for that enum.* So, relfilenode.h now includes relpath.h rather than vice-versa. Thisdirection of dependency is fine. (That allows most, but not quite all,of the existing explicit #includes of relpath.h to go away again.)* Push forkname_to_number from catalog.c to relpath.c, just to centralizefork number stuff a bit better.* Push GetDatabasePath from catalog.c to relpath.c; it was rather oddthat the previous commit didn't keep this together with relpath().* To avoid needing relfilenode.h in common/, redefine the underlyingfunction (now called GetRelationPath) as taking separate OID arguments,and make the APIs using RelFileNode or RelFileNodeBackend into macrowrappers. (The macros have a potential multiple-eval risk, but none ofthe existing call sites have an issue with that; one of them had such arisk already anyway.)* Fix failure to follow the directions when "init" fork type was added;specifically, the errhint in forkname_to_number wasn't updated, and neitherwas the SGML documentation for pg_relation_size().* Fix tablespace-path-too-long check in CreateTableSpace() to account forfork-name component of maximum-length pathnames. This requires puttingFORKNAMECHARS into a header file, but it was rather useless (andactually unreferenced) where it was.The last couple of items are potentially back-patchable bug fixes,if anyone is sufficiently excited about them; but personally I'm not.Per a gripe from Christoph Berg about how include/common wasn'tself-contained.
1 parent0bff398 commit2d00190

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22 files changed

+173
-163
lines changed

22 files changed

+173
-163
lines changed

‎contrib/pg_xlogdump/pg_xlogdump.c

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@@ -19,7 +19,6 @@
1919
#include"access/xlogreader.h"
2020
#include"access/transam.h"
2121
#include"common/fe_memutils.h"
22-
#include"common/relpath.h"
2322
#include"getopt_long.h"
2423
#include"rmgrdesc.h"
2524

‎doc/src/sgml/func.sgml

Lines changed: 11 additions & 9 deletions
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@@ -16847,7 +16847,7 @@ postgres=# SELECT * FROM pg_xlogfile_name_offset(pg_stop_backup());
1684716847
<entry><type>bigint</type></entry>
1684816848
<entry>
1684916849
Disk space used by the specified fork (<literal>'main'</literal>,
16850-
<literal>'fsm'</literal>or <literal>'vm'</>)
16850+
<literal>'fsm'</literal>, <literal>'vm'</>,or <literal>'init'</>)
1685116851
of the specified table or index
1685216852
</entry>
1685316853
</row>
@@ -16951,14 +16951,16 @@ postgres=# SELECT * FROM pg_xlogfile_name_offset(pg_stop_backup());
1695116951

1695216952
<para>
1695316953
<function>pg_relation_size</> accepts the OID or name of a table, index or
16954-
toast table, and returns the on-disk size in bytes. Specifying
16955-
<literal>'main'</literal> or leaving out the second argument returns the
16956-
size of the main data fork of the relation. Specifying
16957-
<literal>'fsm'</literal> returns the size of the
16958-
Free Space Map (see <xref linkend="storage-fsm">) associated with the
16959-
relation. Specifying <literal>'vm'</literal> returns the size of the
16960-
Visibility Map (see <xref linkend="storage-vm">) associated with the
16961-
relation. Note that this function shows the size of only one fork;
16954+
toast table, and returns the on-disk size in bytes.
16955+
Specifying <literal>'main'</literal> or leaving out the second argument
16956+
returns the size of the main data fork of the relation.
16957+
Specifying <literal>'fsm'</literal> returns the size of the Free Space
16958+
Map (see <xref linkend="storage-fsm">) associated with the relation.
16959+
Specifying <literal>'vm'</literal> returns the size of the Visibility
16960+
Map (see <xref linkend="storage-vm">) associated with the relation.
16961+
Specifying <literal>'init'</literal> returns the size of the
16962+
initialization fork, if any, associated with the relation.
16963+
Note that this function shows the size of only one fork;
1696216964
for most purposes it is more convenient to use the higher-level
1696316965
functions <function>pg_total_relation_size</> or
1696416966
<function>pg_table_size</>.

‎src/backend/access/rmgrdesc/smgrdesc.c

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@@ -16,7 +16,6 @@
1616

1717
#include"catalog/catalog.h"
1818
#include"catalog/storage_xlog.h"
19-
#include"common/relpath.h"
2019

2120

2221
void

‎src/backend/access/rmgrdesc/xactdesc.c

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@@ -16,7 +16,6 @@
1616

1717
#include"access/xact.h"
1818
#include"catalog/catalog.h"
19-
#include"common/relpath.h"
2019
#include"storage/sinval.h"
2120
#include"utils/timestamp.h"
2221

‎src/backend/access/rmgrdesc/xlogdesc.c

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@@ -17,7 +17,6 @@
1717
#include"access/xlog.h"
1818
#include"access/xlog_internal.h"
1919
#include"catalog/pg_control.h"
20-
#include"common/relpath.h"
2120
#include"utils/guc.h"
2221
#include"utils/timestamp.h"
2322

‎src/backend/access/transam/xlogutils.c

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@@ -20,7 +20,6 @@
2020
#include"access/xlog.h"
2121
#include"access/xlogutils.h"
2222
#include"catalog/catalog.h"
23-
#include"common/relpath.h"
2423
#include"storage/smgr.h"
2524
#include"utils/guc.h"
2625
#include"utils/hsearch.h"

‎src/backend/catalog/catalog.c

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@@ -37,64 +37,13 @@
3737
#include"catalog/pg_shseclabel.h"
3838
#include"catalog/pg_tablespace.h"
3939
#include"catalog/toasting.h"
40-
#include"common/relpath.h"
4140
#include"miscadmin.h"
4241
#include"storage/fd.h"
4342
#include"utils/fmgroids.h"
4443
#include"utils/rel.h"
4544
#include"utils/tqual.h"
4645

4746

48-
49-
/*
50-
* forkname_to_number - look up fork number by name
51-
*/
52-
ForkNumber
53-
forkname_to_number(char*forkName)
54-
{
55-
ForkNumberforkNum;
56-
57-
for (forkNum=0;forkNum <=MAX_FORKNUM;forkNum++)
58-
if (strcmp(forkNames[forkNum],forkName)==0)
59-
returnforkNum;
60-
61-
ereport(ERROR,
62-
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
63-
errmsg("invalid fork name"),
64-
errhint("Valid fork names are \"main\", \"fsm\", and \"vm\".")));
65-
returnInvalidForkNumber;/* keep compiler quiet */
66-
}
67-
68-
/*
69-
* GetDatabasePath- construct path to a database dir
70-
*
71-
* Result is a palloc'd string.
72-
*
73-
* XXX this must agree with relpath()!
74-
*/
75-
char*
76-
GetDatabasePath(OiddbNode,OidspcNode)
77-
{
78-
if (spcNode==GLOBALTABLESPACE_OID)
79-
{
80-
/* Shared system relations live in {datadir}/global */
81-
Assert(dbNode==0);
82-
returnpstrdup("global");
83-
}
84-
elseif (spcNode==DEFAULTTABLESPACE_OID)
85-
{
86-
/* The default tablespace is {datadir}/base */
87-
returnpsprintf("base/%u",dbNode);
88-
}
89-
else
90-
{
91-
/* All other tablespaces are accessed via symlinks */
92-
returnpsprintf("pg_tblspc/%u/%s/%u",
93-
spcNode,TABLESPACE_VERSION_DIRECTORY,dbNode);
94-
}
95-
}
96-
97-
9847
/*
9948
* IsSystemRelation
10049
*True iff the relation is either a system catalog or toast table.

‎src/backend/commands/tablecmds.c

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@@ -51,7 +51,6 @@
5151
#include"commands/tablespace.h"
5252
#include"commands/trigger.h"
5353
#include"commands/typecmds.h"
54-
#include"common/relpath.h"
5554
#include"executor/executor.h"
5655
#include"foreign/foreign.h"
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#include"miscadmin.h"

‎src/backend/commands/tablespace.c

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@@ -68,7 +68,6 @@
6868
#include"commands/tablecmds.h"
6969
#include"commands/tablespace.h"
7070
#include"commands/user.h"
71-
#include"common/relpath.h"
7271
#include"miscadmin.h"
7372
#include"postmaster/bgwriter.h"
7473
#include"storage/fd.h"
@@ -278,11 +277,11 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
278277

279278
/*
280279
* Check that location isn't too long. Remember that we're going to append
281-
* 'PG_XXX/<dboid>/<relid>.<nnn>'.FYI, we never actually reference the
282-
* whole path, but mkdir() uses the first two parts.
280+
* 'PG_XXX/<dboid>/<relid>_<fork>.<nnn>'.FYI, we never actually
281+
*reference thewhole path here, but mkdir() uses the first two parts.
283282
*/
284283
if (strlen(location)+1+strlen(TABLESPACE_VERSION_DIRECTORY)+1+
285-
OIDCHARS+1+OIDCHARS+1+OIDCHARS>MAXPGPATH)
284+
OIDCHARS+1+OIDCHARS+1+FORKNAMECHARS+1+OIDCHARS>MAXPGPATH)
286285
ereport(ERROR,
287286
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
288287
errmsg("tablespace location \"%s\" is too long",

‎src/backend/replication/basebackup.c

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@@ -18,8 +18,8 @@
1818
#include<time.h>
1919

2020
#include"access/xlog_internal.h"/* for pg_start/stop_backup */
21+
#include"catalog/catalog.h"
2122
#include"catalog/pg_type.h"
22-
#include"common/relpath.h"
2323
#include"lib/stringinfo.h"
2424
#include"libpq/libpq.h"
2525
#include"libpq/pqformat.h"

‎src/backend/replication/logical/reorderbuffer.c

Lines changed: 2 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -50,28 +50,20 @@
5050
#include<unistd.h>
5151
#include<sys/stat.h>
5252

53-
#include"miscadmin.h"
54-
5553
#include"access/rewriteheap.h"
5654
#include"access/transam.h"
5755
#include"access/tuptoaster.h"
5856
#include"access/xact.h"
59-
6057
#include"catalog/catalog.h"
61-
62-
#include"common/relpath.h"
63-
6458
#include"lib/binaryheap.h"
65-
59+
#include"miscadmin.h"
6660
#include"replication/logical.h"
6761
#include"replication/reorderbuffer.h"
6862
#include"replication/slot.h"
6963
#include"replication/snapbuild.h"/* just for SnapBuildSnapDecRefcount */
70-
7164
#include"storage/bufmgr.h"
7265
#include"storage/fd.h"
7366
#include"storage/sinval.h"
74-
7567
#include"utils/builtins.h"
7668
#include"utils/combocid.h"
7769
#include"utils/memdebug.h"
@@ -80,6 +72,7 @@
8072
#include"utils/relfilenodemap.h"
8173
#include"utils/tqual.h"
8274

75+
8376
/* entry for a hash table we use to map from xid to our transaction state */
8477
typedefstructReorderBufferTXNByIdEnt
8578
{

‎src/backend/storage/buffer/bufmgr.c

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@@ -35,7 +35,6 @@
3535

3636
#include"catalog/catalog.h"
3737
#include"catalog/storage.h"
38-
#include"common/relpath.h"
3938
#include"executor/instrument.h"
4039
#include"miscadmin.h"
4140
#include"pg_trace.h"

‎src/backend/storage/buffer/localbuf.c

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@@ -16,7 +16,6 @@
1616
#include"postgres.h"
1717

1818
#include"catalog/catalog.h"
19-
#include"common/relpath.h"
2019
#include"executor/instrument.h"
2120
#include"storage/buf_internals.h"
2221
#include"storage/bufmgr.h"

‎src/backend/storage/file/fd.c

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Original file line numberDiff line numberDiff line change
@@ -71,7 +71,6 @@
7171
#include"access/xact.h"
7272
#include"catalog/catalog.h"
7373
#include"catalog/pg_tablespace.h"
74-
#include"common/relpath.h"
7574
#include"pgstat.h"
7675
#include"storage/fd.h"
7776
#include"storage/ipc.h"

‎src/backend/storage/smgr/md.c

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Original file line numberDiff line numberDiff line change
@@ -28,7 +28,6 @@
2828
#include"miscadmin.h"
2929
#include"access/xlog.h"
3030
#include"catalog/catalog.h"
31-
#include"common/relpath.h"
3231
#include"portability/instr_time.h"
3332
#include"postmaster/bgwriter.h"
3433
#include"storage/fd.h"

‎src/backend/utils/adt/dbsize.c

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Original file line numberDiff line numberDiff line change
@@ -21,7 +21,6 @@
2121
#include"catalog/pg_tablespace.h"
2222
#include"commands/dbcommands.h"
2323
#include"commands/tablespace.h"
24-
#include"common/relpath.h"
2524
#include"miscadmin.h"
2625
#include"storage/fd.h"
2726
#include"utils/acl.h"

‎src/backend/utils/adt/misc.c

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Original file line numberDiff line numberDiff line change
@@ -25,7 +25,6 @@
2525
#include"catalog/pg_tablespace.h"
2626
#include"catalog/pg_type.h"
2727
#include"commands/dbcommands.h"
28-
#include"common/relpath.h"
2928
#include"funcapi.h"
3029
#include"miscadmin.h"
3130
#include"parser/keywords.h"

‎src/backend/utils/cache/relcache.c

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -56,7 +56,6 @@
5656
#include"catalog/schemapg.h"
5757
#include"catalog/storage.h"
5858
#include"commands/trigger.h"
59-
#include"common/relpath.h"
6059
#include"miscadmin.h"
6160
#include"optimizer/clauses.h"
6261
#include"optimizer/planmain.h"

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