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Improvements to pg_dump to:

Browse Source 
- dump Views

Submitted by: Keith Parks <emkxp01@mtcc.demon.co.uk>
This commit is contained in:
Marc G. Fournier
1997-01-07 00:04:19 +00:00
parent 14800311d2
commit 73b6ffbf76
2 changed files with 56 additions and 4 deletions
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56
src/bin/pg_dump/pg_dump.c
View File

@@ -20,7 +20,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.21 1996/12/30 23:05:16 bryanh Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.22 1997/01/07 00:04:16 scrappy Exp $
*
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
*
@@ -121,6 +121,44 @@ exit_nicely(PGconn* conn)
}
/*
* isViewRule
* Determine if the relation is a VIEW
*
*/
bool
isViewRule(char *relname)
{
PGresult *res;
int ntups;
char query[MAXQUERYLEN];
res = PQexec(g_conn, "begin");
if (!res ||
PQresultStatus(res) != PGRES_COMMAND_OK) {
fprintf(stderr,"BEGIN command failed\n");
exit_nicely(g_conn);
}
PQclear(res);
sprintf(query, "select relname from pg_class, pg_rewrite "
"where pg_class.oid = ev_class "
"and rulename = '_RET%s'", relname);
res = PQexec(g_conn, query);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK) {
fprintf(stderr,"isViewRule(): SELECT failed\n");
exit_nicely(g_conn);
}
ntups = PQntuples(res);
PQclear(res);
res = PQexec(g_conn, "end");
PQclear(res);
return ntups > 0 ? TRUE : FALSE;
}
#define COPYBUFSIZ 8192
@@ -306,6 +344,10 @@ dumpClasses(const TableInfo tblinfo[], const int numTables, FILE *fout,
for(i = 0; i < numTables; i++) {
const char *classname = tblinfo[i].relname;
/* Skip VIEW relations */
if (isViewRule(tblinfo[i].relname))
continue;
if (!onlytable || (!strcmp(classname,onlytable))) {
if (g_verbose)
fprintf(stderr, "%s dumping out the contents of Table %s %s\n",
@@ -1074,6 +1116,7 @@ getIndices(int *numIndices)
int i_indproc;
int i_indkey;
int i_indclassname;
int i_indisunique;
/* find all the user-defined indices.
We do not handle partial indices.
@@ -1095,7 +1138,7 @@ getIndices(int *numIndices)
sprintf(query,
"SELECT t1.relname as indexrelname, t2.relname as indrelname, "
"i.indproc, i.indkey[0], o.opcname as indclassname, "
"a.amname as indamname from pg_index i, pg_class t1, "
"a.amname as indamname, i.indisunique from pg_index i, pg_class t1, "
"pg_class t2, pg_opclass o, pg_am a "
"where t1.oid = i.indexrelid and t2.oid = i.indrelid "
"and o.oid = i.indclass[0] and t1.relam = a.oid and "
@@ -1122,6 +1165,7 @@ getIndices(int *numIndices)
i_indproc = PQfnumber(res,"indproc");
i_indkey = PQfnumber(res,"indkey");
i_indclassname = PQfnumber(res,"indclassname");
i_indisunique = PQfnumber(res,"indisunique");
for (i=0;i<ntups;i++) {
indinfo[i].indexrelname = strdup(PQgetvalue(res,i,i_indexrelname));
@@ -1130,6 +1174,7 @@ getIndices(int *numIndices)
indinfo[i].indproc = strdup(PQgetvalue(res,i,i_indproc));
indinfo[i].indkey = strdup(PQgetvalue(res,i,i_indkey));
indinfo[i].indclassname = strdup(PQgetvalue(res,i,i_indclassname));
indinfo[i].indisunique = strdup(PQgetvalue(res,i,i_indisunique));
}
PQclear(res);
res = PQexec(g_conn,"end");
@@ -1450,6 +1495,10 @@ void dumpTables(FILE* fout, TableInfo *tblinfo, int numTables,
if (!tablename || (!strcmp(tblinfo[i].relname,tablename))) {
/* Skip VIEW relations */
if (isViewRule(tblinfo[i].relname))
continue;
/* skip archive names*/
if (isArchiveName(tblinfo[i].relname))
continue;
@@ -1583,7 +1632,8 @@ dumpIndices(FILE* fout, IndInfo* indinfo, int numIndices,
if (!tablename || (!strcmp(indinfo[i].indrelname,tablename))) {
sprintf(q,"CREATE INDEX %s on %s using %s (",
sprintf(q,"CREATE %s INDEX %s on %s using %s (",
(strcmp(indinfo[i].indisunique, "t") == 0) ? "UNIQUE" : "",
indinfo[i].indexrelname,
indinfo[i].indrelname,
indinfo[i].indamname);