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Commita730183

Browse files
committed
Move relpath() to libpgcommon
This enables non-backend code, such as pg_xlogdump, to use it easily.The previous location, in src/backend/catalog/catalog.c, made thatessentially impossible because that file depends on many backend-onlyfacilities; so this needs to live separately.
1 parent6e3fd96 commita730183

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19 files changed

+237
-168
lines changed

19 files changed

+237
-168
lines changed

‎src/backend/Makefile

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -35,10 +35,12 @@ LOCALOBJS += utils/probes.o
3535
endif
3636
endif
3737

38-
OBJS =$(SUBDIROBJS)$(LOCALOBJS)$(top_builddir)/src/port/libpgport_srv.a
38+
OBJS =$(SUBDIROBJS)$(LOCALOBJS)$(top_builddir)/src/port/libpgport_srv.a\
39+
$(top_builddir)/src/common/libpgcommon_srv.a
3940

40-
# We put libpgport into OBJS, so remove it from LIBS; also add libldap
41-
LIBS :=$(filter-out -lpgport,$(LIBS))$(LDAP_LIBS_BE)
41+
# We put libpgport and libpgcommon into OBJS, so remove it from LIBS; also add
42+
# libldap
43+
LIBS :=$(filter-out -lpgport -lpgcommon,$(LIBS))$(LDAP_LIBS_BE)
4244

4345
# The backend doesn't need everything that's in LIBS, however
4446
LIBS :=$(filter-out -lz -lreadline -ledit -ltermcap -lncurses -lcurses,$(LIBS))

‎src/backend/access/rmgrdesc/smgrdesc.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
1616

1717
#include"catalog/catalog.h"
1818
#include"catalog/storage_xlog.h"
19+
#include"common/relpath.h"
1920

2021

2122
void

‎src/backend/access/rmgrdesc/xactdesc.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
1616

1717
#include"access/xact.h"
1818
#include"catalog/catalog.h"
19+
#include"common/relpath.h"
1920
#include"storage/sinval.h"
2021
#include"utils/timestamp.h"
2122

‎src/backend/access/transam/xlogutils.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -20,6 +20,7 @@
2020
#include"access/xlog.h"
2121
#include"access/xlogutils.h"
2222
#include"catalog/catalog.h"
23+
#include"common/relpath.h"
2324
#include"storage/smgr.h"
2425
#include"utils/guc.h"
2526
#include"utils/hsearch.h"

‎src/backend/catalog/catalog.c

Lines changed: 1 addition & 139 deletions
Original file line numberDiff line numberDiff line change
@@ -37,28 +37,14 @@
3737
#include"catalog/pg_shseclabel.h"
3838
#include"catalog/pg_tablespace.h"
3939
#include"catalog/toasting.h"
40+
#include"common/relpath.h"
4041
#include"miscadmin.h"
4142
#include"storage/fd.h"
4243
#include"utils/fmgroids.h"
4344
#include"utils/rel.h"
4445
#include"utils/tqual.h"
4546

4647

47-
#defineFORKNAMECHARS4/* max chars for a fork name */
48-
49-
/*
50-
* Lookup table of fork name by fork number.
51-
*
52-
* If you add a new entry, remember to update the errhint below, and the
53-
* documentation for pg_relation_size(). Also keep FORKNAMECHARS above
54-
* up-to-date.
55-
*/
56-
constchar*forkNames[]= {
57-
"main",/* MAIN_FORKNUM */
58-
"fsm",/* FSM_FORKNUM */
59-
"vm",/* VISIBILITYMAP_FORKNUM */
60-
"init"/* INIT_FORKNUM */
61-
};
6248

6349
/*
6450
* forkname_to_number - look up fork number by name
@@ -79,130 +65,6 @@ forkname_to_number(char *forkName)
7965
returnInvalidForkNumber;/* keep compiler quiet */
8066
}
8167

82-
/*
83-
* forkname_chars
84-
*We use this to figure out whether a filename could be a relation
85-
*fork (as opposed to an oddly named stray file that somehow ended
86-
*up in the database directory).If the passed string begins with
87-
*a fork name (other than the main fork name), we return its length,
88-
*and set *fork (if not NULL) to the fork number. If not, we return 0.
89-
*
90-
* Note that the present coding assumes that there are no fork names which
91-
* are prefixes of other fork names.
92-
*/
93-
int
94-
forkname_chars(constchar*str,ForkNumber*fork)
95-
{
96-
ForkNumberforkNum;
97-
98-
for (forkNum=1;forkNum <=MAX_FORKNUM;forkNum++)
99-
{
100-
intlen=strlen(forkNames[forkNum]);
101-
102-
if (strncmp(forkNames[forkNum],str,len)==0)
103-
{
104-
if (fork)
105-
*fork=forkNum;
106-
returnlen;
107-
}
108-
}
109-
return0;
110-
}
111-
112-
/*
113-
* relpathbackend - construct path to a relation's file
114-
*
115-
* Result is a palloc'd string.
116-
*/
117-
char*
118-
relpathbackend(RelFileNodernode,BackendIdbackend,ForkNumberforknum)
119-
{
120-
intpathlen;
121-
char*path;
122-
123-
if (rnode.spcNode==GLOBALTABLESPACE_OID)
124-
{
125-
/* Shared system relations live in {datadir}/global */
126-
Assert(rnode.dbNode==0);
127-
Assert(backend==InvalidBackendId);
128-
pathlen=7+OIDCHARS+1+FORKNAMECHARS+1;
129-
path= (char*)palloc(pathlen);
130-
if (forknum!=MAIN_FORKNUM)
131-
snprintf(path,pathlen,"global/%u_%s",
132-
rnode.relNode,forkNames[forknum]);
133-
else
134-
snprintf(path,pathlen,"global/%u",rnode.relNode);
135-
}
136-
elseif (rnode.spcNode==DEFAULTTABLESPACE_OID)
137-
{
138-
/* The default tablespace is {datadir}/base */
139-
if (backend==InvalidBackendId)
140-
{
141-
pathlen=5+OIDCHARS+1+OIDCHARS+1+FORKNAMECHARS+1;
142-
path= (char*)palloc(pathlen);
143-
if (forknum!=MAIN_FORKNUM)
144-
snprintf(path,pathlen,"base/%u/%u_%s",
145-
rnode.dbNode,rnode.relNode,
146-
forkNames[forknum]);
147-
else
148-
snprintf(path,pathlen,"base/%u/%u",
149-
rnode.dbNode,rnode.relNode);
150-
}
151-
else
152-
{
153-
/* OIDCHARS will suffice for an integer, too */
154-
pathlen=5+OIDCHARS+2+OIDCHARS+1+OIDCHARS+1
155-
+FORKNAMECHARS+1;
156-
path= (char*)palloc(pathlen);
157-
if (forknum!=MAIN_FORKNUM)
158-
snprintf(path,pathlen,"base/%u/t%d_%u_%s",
159-
rnode.dbNode,backend,rnode.relNode,
160-
forkNames[forknum]);
161-
else
162-
snprintf(path,pathlen,"base/%u/t%d_%u",
163-
rnode.dbNode,backend,rnode.relNode);
164-
}
165-
}
166-
else
167-
{
168-
/* All other tablespaces are accessed via symlinks */
169-
if (backend==InvalidBackendId)
170-
{
171-
pathlen=9+1+OIDCHARS+1
172-
+strlen(TABLESPACE_VERSION_DIRECTORY)+1+OIDCHARS+1
173-
+OIDCHARS+1+FORKNAMECHARS+1;
174-
path= (char*)palloc(pathlen);
175-
if (forknum!=MAIN_FORKNUM)
176-
snprintf(path,pathlen,"pg_tblspc/%u/%s/%u/%u_%s",
177-
rnode.spcNode,TABLESPACE_VERSION_DIRECTORY,
178-
rnode.dbNode,rnode.relNode,
179-
forkNames[forknum]);
180-
else
181-
snprintf(path,pathlen,"pg_tblspc/%u/%s/%u/%u",
182-
rnode.spcNode,TABLESPACE_VERSION_DIRECTORY,
183-
rnode.dbNode,rnode.relNode);
184-
}
185-
else
186-
{
187-
/* OIDCHARS will suffice for an integer, too */
188-
pathlen=9+1+OIDCHARS+1
189-
+strlen(TABLESPACE_VERSION_DIRECTORY)+1+OIDCHARS+2
190-
+OIDCHARS+1+OIDCHARS+1+FORKNAMECHARS+1;
191-
path= (char*)palloc(pathlen);
192-
if (forknum!=MAIN_FORKNUM)
193-
snprintf(path,pathlen,"pg_tblspc/%u/%s/%u/t%d_%u_%s",
194-
rnode.spcNode,TABLESPACE_VERSION_DIRECTORY,
195-
rnode.dbNode,backend,rnode.relNode,
196-
forkNames[forknum]);
197-
else
198-
snprintf(path,pathlen,"pg_tblspc/%u/%s/%u/t%d_%u",
199-
rnode.spcNode,TABLESPACE_VERSION_DIRECTORY,
200-
rnode.dbNode,backend,rnode.relNode);
201-
}
202-
}
203-
returnpath;
204-
}
205-
20668
/*
20769
* GetDatabasePath- construct path to a database dir
20870
*

‎src/backend/commands/tablespace.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -64,6 +64,7 @@
6464
#include"commands/comment.h"
6565
#include"commands/seclabel.h"
6666
#include"commands/tablespace.h"
67+
#include"common/relpath.h"
6768
#include"miscadmin.h"
6869
#include"postmaster/bgwriter.h"
6970
#include"storage/fd.h"

‎src/backend/storage/buffer/bufmgr.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -34,6 +34,7 @@
3434
#include<unistd.h>
3535

3636
#include"catalog/catalog.h"
37+
#include"common/relpath.h"
3738
#include"executor/instrument.h"
3839
#include"miscadmin.h"
3940
#include"pg_trace.h"

‎src/backend/storage/buffer/localbuf.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
1616
#include"postgres.h"
1717

1818
#include"catalog/catalog.h"
19+
#include"common/relpath.h"
1920
#include"executor/instrument.h"
2021
#include"storage/buf_internals.h"
2122
#include"storage/bufmgr.h"

‎src/backend/storage/file/fd.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -71,6 +71,7 @@
7171
#include"access/xact.h"
7272
#include"catalog/catalog.h"
7373
#include"catalog/pg_tablespace.h"
74+
#include"common/relpath.h"
7475
#include"pgstat.h"
7576
#include"storage/fd.h"
7677
#include"storage/ipc.h"

‎src/backend/storage/file/reinit.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,7 @@
1717
#include<unistd.h>
1818

1919
#include"catalog/catalog.h"
20+
#include"common/relpath.h"
2021
#include"storage/copydir.h"
2122
#include"storage/fd.h"
2223
#include"storage/reinit.h"

‎src/backend/storage/smgr/md.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@
2121
#include"miscadmin.h"
2222
#include"access/xlog.h"
2323
#include"catalog/catalog.h"
24+
#include"common/relpath.h"
2425
#include"portability/instr_time.h"
2526
#include"postmaster/bgwriter.h"
2627
#include"storage/fd.h"

‎src/backend/utils/adt/dbsize.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@
2121
#include"catalog/pg_tablespace.h"
2222
#include"commands/dbcommands.h"
2323
#include"commands/tablespace.h"
24+
#include"common/relpath.h"
2425
#include"miscadmin.h"
2526
#include"storage/fd.h"
2627
#include"utils/acl.h"

‎src/backend/utils/adt/misc.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@
2424
#include"catalog/pg_tablespace.h"
2525
#include"catalog/pg_type.h"
2626
#include"commands/dbcommands.h"
27+
#include"common/relpath.h"
2728
#include"funcapi.h"
2829
#include"miscadmin.h"
2930
#include"parser/keywords.h"

‎src/backend/utils/cache/relcache.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -56,6 +56,7 @@
5656
#include"catalog/schemapg.h"
5757
#include"catalog/storage.h"
5858
#include"commands/trigger.h"
59+
#include"common/relpath.h"
5960
#include"miscadmin.h"
6061
#include"optimizer/clauses.h"
6162
#include"optimizer/planmain.h"

‎src/common/Makefile

Lines changed: 9 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -23,13 +23,13 @@ include $(top_builddir)/src/Makefile.global
2323
overrideCPPFLAGS := -DFRONTEND$(CPPFLAGS)
2424
LIBS +=$(PTHREAD_LIBS)
2525

26-
OBJS_COMMON =
26+
OBJS_COMMON = relpath.o
2727

2828
OBJS_FRONTEND =$(OBJS_COMMON) fe_memutils.o
2929

3030
OBJS_SRV =$(OBJS_COMMON:%.o=%_srv.o)
3131

32-
all: libpgcommon.a
32+
all: libpgcommon.a libpgcommon_srv.a
3333

3434
# libpgcommon is needed by some contrib
3535
install: all installdirs
@@ -60,5 +60,12 @@ libpgcommon_srv.a: $(OBJS_SRV)
6060
%_srv.o:%.c%.o
6161
$(CC)$(CFLAGS)$(subst -DFRONTEND,,$(CPPFLAGS)) -c$< -o$@
6262

63+
$(OBJS_SRV): | submake-errcodes
64+
65+
.PHONY: submake-errcodes
66+
67+
submake-errcodes:
68+
$(MAKE) -C ../backend submake-errcodes
69+
6370
cleandistcleanmaintainer-clean:
6471
rm -f libpgcommon.a libpgcommon_srv.a$(OBJS_FRONTEND)$(OBJS_SRV)

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