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Commit6441288

Browse files
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Add 'output file' option for pg_dumpall, especially useful for Win32,
where output redirection of child processes (pg_dump) doesn't work.Dave Page
1 parent1b7d863 commit6441288

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7 files changed

+155
-60
lines changed

7 files changed

+155
-60
lines changed

‎doc/src/sgml/ref/pg_dumpall.sgml

Lines changed: 13 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dumpall.sgml,v 1.61 2007/01/2502:46:33 momjian Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dumpall.sgml,v 1.62 2007/01/2503:30:43 momjian Exp $
33
PostgreSQL documentation
44
-->
55

@@ -128,6 +128,18 @@ PostgreSQL documentation
128128
</para>
129129
</listitem>
130130
</varlistentry>
131+
132+
<varlistentry>
133+
<term><option>-f <replaceable class="parameter">filename</replaceable></option></term>
134+
<term><option>--file=<replaceable class="parameter">filename</replaceable></option></term>
135+
<listitem>
136+
<para>
137+
Write the output to the specified file. This is particularly useful
138+
on Windows because output redirection does not work for child
139+
processes.
140+
</para>
141+
</listitem>
142+
</varlistentry>
131143

132144
<varlistentry>
133145
<term><option>-g</option></term>

‎src/bin/pg_dump/pg_backup.h

Lines changed: 9 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@
1515
*
1616
*
1717
* IDENTIFICATION
18-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.44 2006/10/14 23:07:22 tgl Exp $
18+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup.h,v 1.45 2007/01/25 03:30:43 momjian Exp $
1919
*
2020
*-------------------------------------------------------------------------
2121
*/
@@ -46,6 +46,13 @@ typedef enum _archiveFormat
4646
archNull=4
4747
}ArchiveFormat;
4848

49+
typedefenum_archiveMode
50+
{
51+
archModeAppend,
52+
archModeWrite,
53+
archModeRead
54+
}ArchiveMode;
55+
4956
/*
5057
*We may want to have some more user-readable data, but in the mean
5158
*time this gives us some abstraction and type checking.
@@ -166,7 +173,7 @@ extern Archive *OpenArchive(const char *FileSpec, const ArchiveFormat fmt);
166173

167174
/* Create a new archive */
168175
externArchive*CreateArchive(constchar*FileSpec,constArchiveFormatfmt,
169-
constintcompression);
176+
constintcompression,ArchiveModemode);
170177

171178
/* The --list option */
172179
externvoidPrintTOCSummary(Archive*AH,RestoreOptions*ropt);

‎src/bin/pg_dump/pg_backup_archiver.c

Lines changed: 17 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -15,7 +15,7 @@
1515
*
1616
*
1717
* IDENTIFICATION
18-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.139 2007/01/23 17:54:50 tgl Exp $
18+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.140 2007/01/25 03:30:43 momjian Exp $
1919
*
2020
*-------------------------------------------------------------------------
2121
*/
@@ -86,10 +86,10 @@ static void ResetOutput(ArchiveHandle *AH, OutputContext savedContext);
8686
/* Public */
8787
Archive*
8888
CreateArchive(constchar*FileSpec,constArchiveFormatfmt,
89-
constintcompression)
89+
constintcompression,ArchiveModemode)
9090

9191
{
92-
ArchiveHandle*AH=_allocAH(FileSpec,fmt,compression,archModeWrite);
92+
ArchiveHandle*AH=_allocAH(FileSpec,fmt,compression,mode);
9393

9494
return (Archive*)AH;
9595
}
@@ -203,7 +203,7 @@ RestoreArchive(Archive *AHX, RestoreOptions *ropt)
203203

204204
/*
205205
* Setup the output file if necessary.
206-
*/
206+
*/
207207
if (ropt->filename||ropt->compression)
208208
sav=SetOutput(AH,ropt->filename,ropt->compression);
209209

@@ -940,10 +940,20 @@ SetOutput(ArchiveHandle *AH, char *filename, int compression)
940940
else
941941
#endif
942942
{/* Use fopen */
943-
if (fn >=0)
944-
AH->OF=fdopen(dup(fn),PG_BINARY_W);
943+
if (AH->mode==archModeAppend)
944+
{
945+
if (fn >=0)
946+
AH->OF=fdopen(dup(fn),PG_BINARY_A);
947+
else
948+
AH->OF=fopen(filename,PG_BINARY_A);
949+
}
945950
else
946-
AH->OF=fopen(filename,PG_BINARY_W);
951+
{
952+
if (fn >=0)
953+
AH->OF=fdopen(dup(fn),PG_BINARY_W);
954+
else
955+
AH->OF=fopen(filename,PG_BINARY_W);
956+
}
947957
AH->gzOut=0;
948958
}
949959

‎src/bin/pg_dump/pg_backup_archiver.h

Lines changed: 1 addition & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@
1717
*
1818
*
1919
* IDENTIFICATION
20-
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.73 2006/10/04 00:30:05 momjian Exp $
20+
*$PostgreSQL: pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.74 2007/01/25 03:30:43 momjian Exp $
2121
*
2222
*-------------------------------------------------------------------------
2323
*/
@@ -122,12 +122,6 @@ typedef void (*PrintTocDataPtr) (struct _archiveHandle * AH, struct _tocEntry *
122122

123123
typedefsize_t (*CustomOutPtr) (struct_archiveHandle*AH,constvoid*buf,size_tlen);
124124

125-
typedefenum_archiveMode
126-
{
127-
archModeWrite,
128-
archModeRead
129-
}ArchiveMode;
130-
131125
typedefstruct_outputContext
132126
{
133127
void*OF;

‎src/bin/pg_dump/pg_dump.c

Lines changed: 11 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
*by PostgreSQL
1313
*
1414
* IDENTIFICATION
15-
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.458 2007/01/23 17:54:50 tgl Exp $
15+
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.459 2007/01/25 03:30:43 momjian Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
@@ -478,25 +478,31 @@ main(int argc, char **argv)
478478
/* open the output file */
479479
switch (format[0])
480480
{
481+
case'a':
482+
case'A':
483+
plainText=1;
484+
g_fout=CreateArchive(filename,archNull,0,archModeAppend);
485+
break;
486+
481487
case'c':
482488
case'C':
483-
g_fout=CreateArchive(filename,archCustom,compressLevel);
489+
g_fout=CreateArchive(filename,archCustom,compressLevel,archModeWrite);
484490
break;
485491

486492
case'f':
487493
case'F':
488-
g_fout=CreateArchive(filename,archFiles,compressLevel);
494+
g_fout=CreateArchive(filename,archFiles,compressLevel,archModeWrite);
489495
break;
490496

491497
case'p':
492498
case'P':
493499
plainText=1;
494-
g_fout=CreateArchive(filename,archNull,0);
500+
g_fout=CreateArchive(filename,archNull,0,archModeWrite);
495501
break;
496502

497503
case't':
498504
case'T':
499-
g_fout=CreateArchive(filename,archTar,compressLevel);
505+
g_fout=CreateArchive(filename,archTar,compressLevel,archModeWrite);
500506
break;
501507

502508
default:

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