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- Only disable triggers in DataOnly (or implied data-only) restores.

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- Change -U option to -L to allow -U to specify username in future. (pg_restore)
This commit is contained in:
Philip Warner 2001-03-06 04:08:04 +00:00
parent 0ab27ad5e0
commit aa28eebf4c
3 changed files with 83 additions and 45 deletions
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55
src/bin/pg_dump/pg_backup_archiver.c
View File

@ -37,6 +37,9 @@
* Modifications - 27-Jan-2001 - pjw@rhyme.com.au
* - When dropping the schema, reconnect as owner of each object.
*
* Modifications - 6-Mar-2001 - pjw@rhyme.com.au
* - Only disable triggers in DataOnly (or implied data-only) restores.
*
*-------------------------------------------------------------------------
*/
@ -65,8 +68,8 @@ static void _reconnectAsOwner(ArchiveHandle* AH, const char *dbname, TocEntry*
static void _reconnectAsUser(ArchiveHandle* AH, const char *dbname, char *user);
static int _tocEntryRequired(TocEntry* te, RestoreOptions *ropt);
static void _disableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
static void _enableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
static void _disableTriggersIfNecessary(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
static void _enableTriggersIfNecessary(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt);
static TocEntry* _getTocEntry(ArchiveHandle* AH, int id);
static void _moveAfter(ArchiveHandle* AH, TocEntry* pos, TocEntry* te);
static void _moveBefore(ArchiveHandle* AH, TocEntry* pos, TocEntry* te);
@ -128,8 +131,9 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
{
ArchiveHandle* AH = (ArchiveHandle*) AHX;
TocEntry *te = AH->toc->next;
int reqs;
int reqs;
OutputContext sav;
int impliedDataOnly;
AH->ropt = ropt;
@ -159,6 +163,33 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
}
/*
* Work out if we have an implied data-only retore. This can happen if
* the dump was data only or if the user has used a toc list to exclude
* all of the schema data. All we do is look for schema entries - if none
* are found then we set the dataOnly flag.
*
* We could scan for wanted TABLE entries, but that is not the same as
* dataOnly. At this stage, it seems unnecessary (6-Mar-2001).
*/
if (!ropt->dataOnly) {
te = AH->toc->next;
impliedDataOnly = 1;
while (te != AH->toc) {
reqs = _tocEntryRequired(te, ropt);
if ( (reqs & 1) != 0 ) { /* It's schema, and it's wanted */
impliedDataOnly = 0;
break;
}
te = te->next;
}
if (impliedDataOnly)
{
ropt->dataOnly = impliedDataOnly;
ahlog(AH, 1, "Implied data-only restore\n", te->desc, te->name);
}
}
if (!ropt->superuser)
fprintf(stderr, "\n%s: ******** WARNING ******** \n"
" Data restoration may fail since any defined triggers\n"
@ -244,7 +275,7 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
} else {
_disableTriggers(AH, te, ropt);
_disableTriggersIfNecessary(AH, te, ropt);
/* Reconnect if necessary (_disableTriggers may have reconnected) */
_reconnectAsOwner(AH, "-", te);
@ -263,7 +294,7 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
(*AH->PrintTocDataPtr)(AH, te, ropt);
_enableTriggers(AH, te, ropt);
_enableTriggersIfNecessary(AH, te, ropt);
}
}
te = te->next;
@ -275,7 +306,7 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
if (_canRestoreBlobs(AH) && AH->createdBlobXref)
{
/* NULL parameter means disable ALL user triggers */
_disableTriggers(AH, NULL, ropt);
_disableTriggersIfNecessary(AH, NULL, ropt);
te = AH->toc->next;
while (te != AH->toc) {
@ -302,7 +333,7 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
}
/* NULL parameter means enable ALL user triggers */
_enableTriggers(AH, NULL, ropt);
_enableTriggersIfNecessary(AH, NULL, ropt);
}
/*
@ -349,12 +380,13 @@ static int _canRestoreBlobs(ArchiveHandle *AH)
return _restoringToDB(AH);
}
static void _disableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt)
static void _disableTriggersIfNecessary(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt)
{
char *oldUser = NULL;
/* Can't do much if we're connected & don't have a superuser */
if (_restoringToDB(AH) && !ropt->superuser)
/* Also, don't bother with triggers unless a data-only retore. */
if ( !ropt->dataOnly || (_restoringToDB(AH) && !ropt->superuser) )
return;
/*
@ -404,12 +436,13 @@ static void _disableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ro
}
}
static void _enableTriggers(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt)
static void _enableTriggersIfNecessary(ArchiveHandle *AH, TocEntry *te, RestoreOptions *ropt)
{
char *oldUser = NULL;
/* Can't do much if we're connected & don't have a superuser */
if (_restoringToDB(AH) && !ropt->superuser)
/* Also, don't bother with triggers unless a data-only retore. */
if ( !ropt->dataOnly || (_restoringToDB(AH) && !ropt->superuser) )
return;
/*

2
src/bin/pg_dump/pg_backup_archiver.h
View File

@ -62,7 +62,7 @@ typedef z_stream *z_streamp;
#define K_VERS_MAJOR 1
#define K_VERS_MINOR 4
#define K_VERS_REV 28
#define K_VERS_REV 29
/* Data block types */
#define BLK_DATA 1

71
src/bin/pg_dump/pg_restore.c
View File

@ -47,6 +47,9 @@
* Cleaned up code for reconnecting to database.
* Force a reconnect as superuser before enabling/disabling triggers.
*
* Modifications - 6-Mar-2001 - pjw@rhyme.com.au
* Change -U option to -L to allow -U to specify username in future.
*
*-------------------------------------------------------------------------
*/
@ -100,7 +103,7 @@ struct option cmdopts[] = {
{ "superuser", 1, NULL, 'S' },
{ "table", 2, NULL, 't'},
{ "trigger", 2, NULL, 'T' },
{ "use-list", 1, NULL, 'U'},
{ "use-list", 1, NULL, 'L'},
{ "verbose", 0, NULL, 'v' },
{ NULL, 0, NULL, 0}
};
@ -135,9 +138,9 @@ int main(int argc, char **argv)
}
#ifdef HAVE_GETOPT_LONG
while ((c = getopt_long(argc, argv, "acCd:f:F:h:i:lNoOp:P:rRsS:t:T:uU:vx", cmdopts, NULL)) != EOF)
while ((c = getopt_long(argc, argv, "acCd:f:F:h:i:lL:NoOp:P:rRsS:t:T:uvx", cmdopts, NULL)) != EOF)
#else
while ((c = getopt(argc, argv, "acCd:f:F:h:i:lNoOp:P:rRsS:t:T:uU:vx")) != -1)
while ((c = getopt(argc, argv, "acCd:f:F:h:i:lL:NoOp:P:rRsS:t:T:uvx")) != -1)
#endif
{
switch (c)
@ -173,6 +176,15 @@ int main(int argc, char **argv)
case 'i':
opts->ignoreVersion = 1;
break;
case 'l': /* Dump the TOC summary */
opts->tocSummary = 1;
break;
case 'L': /* input TOC summary file name */
opts->tocFile = strdup(optarg);
break;
case 'N':
opts->origOrder = 1;
break;
@ -219,18 +231,11 @@ int main(int argc, char **argv)
opts->selTable = 1;
opts->tableNames = _cleanupName(optarg);
break;
case 'l': /* Dump the TOC summary */
opts->tocSummary = 1;
break;
case 'u':
opts->requirePassword = 1;
break;
case 'U': /* input TOC summary file name */
opts->tocFile = strdup(optarg);
break;
case 'v': /* verbose */
opts->verbose = 1;
break;
@ -251,29 +256,29 @@ int main(int argc, char **argv)
if (opts->formatName) {
switch (opts->formatName[0]) {
switch (opts->formatName[0]) {
case 'c':
case 'C':
opts->format = archCustom;
break;
case 'c':
case 'C':
opts->format = archCustom;
break;
case 'f':
case 'F':
opts->format = archFiles;
break;
case 'f':
case 'F':
opts->format = archFiles;
break;
case 't':
case 'T':
opts->format = archTar;
break;
case 't':
case 'T':
opts->format = archTar;
break;
default:
fprintf(stderr, "%s: Unknown archive format '%s', please specify 't' or 'c'\n",
progname, opts->formatName);
exit (1);
}
}
default:
fprintf(stderr, "%s: Unknown archive format '%s', please specify 't' or 'c'\n",
progname, opts->formatName);
exit (1);
}
}
AH = OpenArchive(fileSpec, opts->format);
@ -329,6 +334,8 @@ static void usage(const char *progname)
" -h, --host HOSTNAME server host name\n"
" -i, --index[=NAME] dump indexes or named index\n"
" -l, --list dump summarized TOC for this file\n"
" -L, --use-list=FILENAME use specified table of contents for ordering\n"
" output from this file\n"
" -N, --orig-order dump in original dump order\n"
" -o, --oid-order dump in oid order\n"
" -O, --no-owner do not output reconnect to database to match\n"
@ -343,8 +350,6 @@ static void usage(const char *progname)
" -t [TABLE], --table[=TABLE] dump for this table only\n"
" -T, --trigger[=NAME] dump triggers or named trigger\n"
" -u, --password use password authentication\n"
" -U, --use-list=FILENAME use specified table of contents for ordering\n"
" output from this file\n"
" -v, --verbose verbose\n"
" -x, --no-acl skip dumping of ACLs (grant/revoke)\n");
@ -360,6 +365,8 @@ static void usage(const char *progname)
" -h HOSTNAME server host name\n"
" -i NAME dump indexes or named index\n"
" -l dump summarized TOC for this file\n"
" -L FILENAME use specified table of contents for ordering\n"
" output from this file\n"
" -N dump in original dump order\n"
" -o dump in oid order\n"
" -O do not output reconnect to database to match\n"
@ -374,8 +381,6 @@ static void usage(const char *progname)
" -t NAME dump for this table only\n"
" -T NAME dump triggers or named trigger\n"
" -u use password authentication\n"
" -U FILENAME use specified table of contents for ordering\n"
" output from this file\n"
" -v verbose\n"
" -x skip dumping of ACLs (grant/revoke)\n");
#endif