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ALTER TABLE foo CLUSTER ON bar;

In pg_dumps, to preserve cluster settings.

Christopher Kings-Lynne
This commit is contained in:
Bruce Momjian 2003-03-27 16:43:07 +00:00
parent b099d9e7eb
commit 9d6f5ee860
1 changed files with 21 additions and 3 deletions
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24
src/bin/pg_dump/pg_dump.c
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@ -12,7 +12,7 @@
* by PostgreSQL
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.323 2003/03/27 16:39:17 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.324 2003/03/27 16:43:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -5730,6 +5730,7 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
int i_indexdef;
int i_contype;
int i_indkey;
int i_indisclustered;
int i_indnkeys;
for (i = 0; i < numTables; i++)
@ -5759,7 +5760,7 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
"SELECT i.indexrelid as indexreloid, "
"coalesce(c.conname, t.relname) as indexrelname, "
"pg_catalog.pg_get_indexdef(i.indexrelid) as indexdef, "
"i.indkey, "
"i.indkey, i.indisclustered, "
"t.relnatts as indnkeys, "
"coalesce(c.contype, '0') as contype "
"FROM pg_catalog.pg_index i "
@ -5779,7 +5780,7 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
"SELECT i.indexrelid as indexreloid, "
"t.relname as indexrelname, "
"pg_get_indexdef(i.indexrelid) as indexdef, "
"i.indkey, "
"i.indkey, false as indisclustered, "
"t.relnatts as indnkeys, "
"CASE WHEN i.indisprimary THEN 'p'::char "
"ELSE '0'::char END as contype "
@ -5804,6 +5805,7 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
i_indexdef = PQfnumber(res, "indexdef");
i_contype = PQfnumber(res, "contype");
i_indkey = PQfnumber(res, "indkey");
i_indisclustered = PQfnumber(res, "indisclustered");
i_indnkeys = PQfnumber(res, "indnkeys");
for (j = 0; j < ntups; j++)
@ -5812,6 +5814,7 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
const char *indexrelname = PQgetvalue(res, j, i_indexrelname);
const char *indexdef = PQgetvalue(res, j, i_indexdef);
char contype = *(PQgetvalue(res, j, i_contype));
bool indisclustered = (PQgetvalue(res, j, i_indisclustered)[0] == 't');
resetPQExpBuffer(q);
resetPQExpBuffer(delq);
@ -5864,6 +5867,13 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
fmtId(tbinfo->relname));
appendPQExpBuffer(delq, "DROP CONSTRAINT %s;\n",
fmtId(indexrelname));
/* If the index is clustered, we need to record that. */
if (indisclustered) {
appendPQExpBuffer(q, "\nALTER TABLE %s CLUSTER",
fmtId(tbinfo->relname));
appendPQExpBuffer(q, " ON %s;\n",
fmtId(indexrelname));
}
ArchiveEntry(fout, indexreloid,
indexrelname,
@ -5882,6 +5892,14 @@ dumpIndexes(Archive *fout, TableInfo *tblinfo, int numTables)
/* Plain secondary index */
appendPQExpBuffer(q, "%s;\n", indexdef);
/* If the index is clustered, we need to record that. */
if (indisclustered) {
appendPQExpBuffer(q, "\nALTER TABLE %s CLUSTER",
fmtId(tbinfo->relname));
appendPQExpBuffer(q, " ON %s;\n",
fmtId(indexrelname));
}
/*
* DROP must be fully qualified in case same name appears
* in pg_catalog