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pg_dump and pg_restore -r had managed to diverge on the ordering of

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different object types.  Fix, and centralize logic to try to prevent
the same mistake in future.
This commit is contained in:
Tom Lane 2003-08-28 20:21:34 +00:00
parent 80bc61c849
commit 209a8d63df
4 changed files with 59 additions and 47 deletions
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7
src/bin/pg_dump/pg_backup.h
View File

@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup.h,v 1.24 2002/09/04 20:31:34 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup.h,v 1.25 2003/08/28 20:21:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -166,8 +166,9 @@ extern void PrintTOCSummary(Archive *AH, RestoreOptions *ropt);
extern RestoreOptions *NewRestoreOptions(void);
/* Rearrange TOC entries */
extern void MoveToStart(Archive *AH, char *oType);
extern void MoveToEnd(Archive *AH, char *oType);
extern void MoveToStart(Archive *AH, const char *oType);
extern void MoveToEnd(Archive *AH, const char *oType);
extern void SortTocByObjectType(Archive *AH);
extern void SortTocByOID(Archive *AH);
extern void SortTocByID(Archive *AH);
extern void SortTocFromFile(Archive *AH, RestoreOptions *ropt);

53
src/bin/pg_dump/pg_backup_archiver.c
View File

@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.74 2003/08/04 00:43:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.75 2003/08/28 20:21:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -845,11 +845,12 @@ EndRestoreBlob(ArchiveHandle *AH, Oid oid)
/*
* Move TOC entries of the specified type to the START of the TOC.
*
* This is public, but if you use it anywhere but SortTocByObjectType,
* you are risking breaking things.
*/
/* Public */
void
MoveToStart(Archive *AHX, char *oType)
MoveToStart(Archive *AHX, const char *oType)
{
ArchiveHandle *AH = (ArchiveHandle *) AHX;
TocEntry *te = AH->toc->next;
@ -874,10 +875,12 @@ MoveToStart(Archive *AHX, char *oType)
/*
* Move TOC entries of the specified type to the end of the TOC.
*
* This is public, but if you use it anywhere but SortTocByObjectType,
* you are risking breaking things.
*/
/* Public */
void
MoveToEnd(Archive *AHX, char *oType)
MoveToEnd(Archive *AHX, const char *oType)
{
ArchiveHandle *AH = (ArchiveHandle *) AHX;
TocEntry *te = AH->toc->next;
@ -899,6 +902,44 @@ MoveToEnd(Archive *AHX, char *oType)
}
}
/*
* Sort TOC by object type (items of same type keep same relative order)
*
* This is factored out to ensure that pg_dump and pg_restore stay in sync
* about the standard ordering.
*/
void
SortTocByObjectType(Archive *AH)
{
/*
* Procedural languages have to be declared just after database and
* schema creation, before they are used.
*/
MoveToStart(AH, "ACL LANGUAGE");
MoveToStart(AH, "PROCEDURAL LANGUAGE");
MoveToStart(AH, "FUNC PROCEDURAL LANGUAGE");
MoveToStart(AH, "SCHEMA");
MoveToStart(AH, "<Init>");
/* Database entries *must* be at front (see also pg_restore.c) */
MoveToStart(AH, "DATABASE");
MoveToEnd(AH, "TABLE DATA");
MoveToEnd(AH, "BLOBS");
MoveToEnd(AH, "INDEX");
MoveToEnd(AH, "CONSTRAINT");
MoveToEnd(AH, "FK CONSTRAINT");
MoveToEnd(AH, "TRIGGER");
MoveToEnd(AH, "RULE");
MoveToEnd(AH, "SEQUENCE SET");
/*
* Moving all comments to end is annoying, but must do it for comments
* on stuff we just moved, and we don't seem to have quite enough
* dependency structure to get it really right...
*/
MoveToEnd(AH, "COMMENT");
}
/*
* Sort TOC by OID
*/

30
src/bin/pg_dump/pg_dump.c
View File

@ -12,7 +12,7 @@
* by PostgreSQL
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.345 2003/08/28 18:59:06 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.346 2003/08/28 20:21:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -572,33 +572,9 @@ main(int argc, char **argv)
dumpRules(g_fout, tblinfo, numTables);
}
/* Now sort the output nicely */
/* Now sort the output nicely: by OID within object types */
SortTocByOID(g_fout);
/*
* Procedural languages have to be declared just after database and
* schema creation, before they are used.
*/
MoveToStart(g_fout, "ACL LANGUAGE");
MoveToStart(g_fout, "PROCEDURAL LANGUAGE");
MoveToStart(g_fout, "FUNC PROCEDURAL LANGUAGE");
MoveToStart(g_fout, "SCHEMA");
MoveToStart(g_fout, "DATABASE");
MoveToEnd(g_fout, "TABLE DATA");
MoveToEnd(g_fout, "BLOBS");
MoveToEnd(g_fout, "INDEX");
MoveToEnd(g_fout, "CONSTRAINT");
MoveToEnd(g_fout, "FK CONSTRAINT");
MoveToEnd(g_fout, "TRIGGER");
MoveToEnd(g_fout, "RULE");
MoveToEnd(g_fout, "SEQUENCE SET");
/*
* Moving all comments to end is annoying, but must do it for comments
* on stuff we just moved, and we don't seem to have quite enough
* dependency structure to get it really right...
*/
MoveToEnd(g_fout, "COMMENT");
SortTocByObjectType(g_fout);
if (plainText)
{

16
src/bin/pg_dump/pg_restore.c
View File

@ -34,7 +34,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_restore.c,v 1.50 2003/08/07 21:11:58 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_restore.c,v 1.51 2003/08/28 20:21:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -335,18 +335,12 @@ main(int argc, char **argv)
SortTocByID(AH);
if (opts->rearrange)
SortTocByObjectType(AH);
else
{
MoveToStart(AH, "<Init>");
MoveToEnd(AH, "TABLE DATA");
MoveToEnd(AH, "BLOBS");
MoveToEnd(AH, "INDEX");
MoveToEnd(AH, "TRIGGER");
MoveToEnd(AH, "RULE");
MoveToEnd(AH, "SEQUENCE SET");
}
/* Database MUST be at start */
/* Database MUST be at start (see also SortTocByObjectType) */
MoveToStart(AH, "DATABASE");
}
if (opts->tocSummary)
PrintTOCSummary(AH, opts);