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Commitecc5e56

Browse files
committed
Fix readTimeLineHistory_probackup(). It should check existance of history file
1 parent35471b5 commitecc5e56

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2 files changed

+21
-9
lines changed

2 files changed

+21
-9
lines changed

‎restore.c

Lines changed: 16 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -727,28 +727,36 @@ readTimeLineHistory_probackup(TimeLineID targetTLI)
727727
parray*result;
728728
charpath[MAXPGPATH];
729729
charfline[MAXPGPATH];
730-
FILE*fd;
730+
FILE*fd=NULL;
731731
TimeLineHistoryEntry*entry;
732732
TimeLineHistoryEntry*last_timeline=NULL;
733733

734734
/* Look for timeline history file in archlog_path */
735735
snprintf(path,lengthof(path),"%s/%08X.history",arclog_path,
736736
targetTLI);
737737

738-
fd=fopen(path,"rt");
739-
if (fd==NULL)
738+
/* Timeline 1 does not have a history file */
739+
if (targetTLI!=1)
740740
{
741-
if (errno!=ENOENT)
742-
elog(ERROR,"could not open file \"%s\": %s",path,
743-
strerror(errno));
741+
fd=fopen(path,"rt");
742+
if (fd==NULL)
743+
{
744+
if (errno!=ENOENT)
745+
elog(ERROR,"could not open file \"%s\": %s",path,
746+
strerror(errno));
747+
748+
/* There is no history file for target timeline */
749+
elog(ERROR,"recovery target timeline %u does not exist",
750+
targetTLI);
751+
}
744752
}
745753

746754
result=parray_new();
747755

748756
/*
749757
* Parse the file...
750758
*/
751-
while (fgets(fline,sizeof(fline),fd)!=NULL)
759+
while (fd&&fgets(fline,sizeof(fline),fd)!=NULL)
752760
{
753761
char*ptr;
754762
TimeLineIDtli;
@@ -797,8 +805,7 @@ readTimeLineHistory_probackup(TimeLineID targetTLI)
797805
fclose(fd);
798806

799807
if (last_timeline&&targetTLI <=last_timeline->tli)
800-
elog(ERROR,
801-
"Timeline IDs must be less than child timeline's ID.");
808+
elog(ERROR,"Timeline IDs must be less than child timeline's ID.");
802809

803810
/* append target timeline */
804811
entry=pgut_new(TimeLineHistoryEntry);

‎show.c

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -116,6 +116,10 @@ get_parent_tli(TimeLineID child_tli)
116116
charfline[MAXPGPATH];
117117
FILE*fd;
118118

119+
/* Timeline 1 does not have a history file and parent timeline */
120+
if (child_tli==1)
121+
return0;
122+
119123
/* Search history file in archives */
120124
snprintf(path,lengthof(path),"%s/%08X.history",arclog_path,
121125
child_tli);
@@ -126,6 +130,7 @@ get_parent_tli(TimeLineID child_tli)
126130
elog(ERROR,"could not open file \"%s\": %s",path,
127131
strerror(errno));
128132

133+
/* Did not find history file, do not raise the error */
129134
return0;
130135
}
131136

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