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pg_dump for domain constraints. 

Rod Taylor
This commit is contained in:
Bruce Momjian 2002-11-15 02:52:18 +00:00
parent 6b603e67dc
commit 93e54678a3
1 changed files with 31 additions and 1 deletions
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32
src/bin/pg_dump/pg_dump.c
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@ -22,7 +22,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.306 2002/11/08 17:37:52 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.307 2002/11/15 02:52:18 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -3157,8 +3157,10 @@ dumpOneDomain(Archive *fout, TypeInfo *tinfo)
PQExpBuffer q = createPQExpBuffer();
PQExpBuffer delq = createPQExpBuffer();
PQExpBuffer query = createPQExpBuffer();
PQExpBuffer chkquery = createPQExpBuffer();
PGresult *res;
int ntups;
int i;
char *typnotnull;
char *typdefn;
char *typdefault;
@ -3228,6 +3230,34 @@ dumpOneDomain(Archive *fout, TypeInfo *tinfo)
if (typdefault)
appendPQExpBuffer(q, " DEFAULT %s", typdefault);
/* Fetch and process CHECK Constraints */
appendPQExpBuffer(chkquery, "SELECT conname, consrc "
"FROM pg_catalog.pg_constraint "
"WHERE contypid = '%s'::pg_catalog.oid",
tinfo->oid);
res = PQexec(g_conn, chkquery->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
{
write_msg(NULL, "query to obtain domain constraint information failed: %s",
PQerrorMessage(g_conn));
exit_nicely();
}
/* Expecting a single result only */
ntups = PQntuples(res);
for (i = 0; i < ntups; i++)
{
char *conname;
char *consrc;
conname = PQgetvalue(res, i, PQfnumber(res, "conname"));
consrc = PQgetvalue(res, i, PQfnumber(res, "consrc"));
appendPQExpBuffer(q, " CONSTRAINT %s CHECK %s", fmtId(conname), consrc);
}
appendPQExpBuffer(q, ";\n");
(*deps)[depIdx++] = NULL; /* End of List */