Add tablespace location display for psql \d.

Gavin Sherry

doc/src/sgml/ref/psql-ref.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.116 2004/06/18 06:13:05 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.117 2004/07/12 20:41:08 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -784,7 +784,7 @@ testdb=>
         <para>
         For each relation (table, view, index, or sequence) matching the
         <replaceable class="parameter">pattern</replaceable>, show all
-        columns, their types, and any special
+        columns, their types, the tablespace (if not the default) and any special
         attributes such as <literal>NOT NULL</literal> or defaults, if
         any. Associated indexes, constraints, rules, and triggers are
         also shown, as is the view definition if the relation is a view.

src/bin/psql/common.h

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2003, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/common.h,v 1.37 2004/07/11 13:29:15 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/common.h,v 1.38 2004/07/12 20:41:13 momjian Exp $
  */
 #ifndef COMMON_H
 #define COMMON_H
@@ -20,6 +20,9 @@
 #define psql_assert(p)
 #endif
 
+#define atooid(x)  ((Oid) strtoul((x), NULL, 10))
+
+
 /*
  * Safer versions of some standard C library functions. If an
  * out-of-memory condition occurs, these functions will bail out

src/bin/psql/describe.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2003, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.99 2004/06/18 06:14:04 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.100 2004/07/12 20:41:13 momjian Exp $
  */
 #include "postgres_fe.h"
 #include "describe.h"
@@ -39,6 +39,9 @@ static void processNamePattern(PQExpBuffer buf, const char *pattern,
 				   const char *schemavar, const char *namevar,
 				   const char *altnamevar, const char *visibilityrule);
 
+static void add_tablespace_footer(char relkind, Oid tablespace, 
+		char **footers, int *count, PQExpBufferData buf);
+
 /*----------------
  * Handlers for various slash commands displaying some sort of list
  * of things in the database.
@@ -682,6 +685,7 @@ describeOneTableDetails(const char *schemaname,
 		bool		hasindex;
 		bool		hasrules;
 		bool	    hasoids;
+		Oid			tablespace;
 	}			tableinfo;
 	bool		show_modifiers = false;
 	bool		retval;
@@ -694,7 +698,8 @@ describeOneTableDetails(const char *schemaname,
 
 	/* Get general table info */
 	printfPQExpBuffer(&buf,
-	 "SELECT relhasindex, relkind, relchecks, reltriggers, relhasrules, relhasoids\n"
+	 "SELECT relhasindex, relkind, relchecks, reltriggers, relhasrules, \n" 
+					"relhasoids, reltablespace \n"
 					  "FROM pg_catalog.pg_class WHERE oid = '%s'",
 					  oid);
 	res = PSQLexec(buf.data, false);
@@ -717,6 +722,7 @@ describeOneTableDetails(const char *schemaname,
 	tableinfo.hasindex = strcmp(PQgetvalue(res, 0, 0), "t") == 0;
 	tableinfo.hasrules = strcmp(PQgetvalue(res, 0, 4), "t") == 0;
 	tableinfo.hasoids = strcmp(PQgetvalue(res, 0, 5), "t") == 0;
+	tableinfo.tablespace = atooid(PQgetvalue(res, 0, 6));
 	PQclear(res);
 
 	headers[0] = _("Column");
@@ -897,6 +903,7 @@ describeOneTableDetails(const char *schemaname,
 			char	   *indamname = PQgetvalue(result, 0, 3);
 			char	   *indtable = PQgetvalue(result, 0, 4);
 			char	   *indpred = PQgetvalue(result, 0, 5);
+			int			count_footers = 0;
 
 			if (strcmp(indisprimary, "t") == 0)
 				printfPQExpBuffer(&tmpbuf, _("PRIMARY KEY, "));
@@ -916,9 +923,12 @@ describeOneTableDetails(const char *schemaname,
 			if (strcmp(indisclustered, "t") == 0)
 				appendPQExpBuffer(&tmpbuf, _(", CLUSTER"));
 
-			footers = pg_malloc_zero(2 * sizeof(*footers));
-			footers[0] = pg_strdup(tmpbuf.data);
-			footers[1] = NULL;
+			footers = pg_malloc_zero(4 * sizeof(*footers));
+			footers[count_footers++] = pg_strdup(tmpbuf.data);
+	        add_tablespace_footer(tableinfo.relkind, tableinfo.tablespace,
+    	        footers, &count_footers, tmpbuf);
+			footers[count_footers] = NULL;
+
 		}
 
 		PQclear(result);
@@ -1103,7 +1113,7 @@ describeOneTableDetails(const char *schemaname,
 		else
 			inherits_count = PQntuples(result6);
 
-		footers = pg_malloc_zero((index_count + check_count + rule_count + trigger_count + foreignkey_count + inherits_count + 6)
+		footers = pg_malloc_zero((index_count + check_count + rule_count + trigger_count + foreignkey_count + inherits_count + 7 + 1)
 								 * sizeof(*footers));
 
 		/* print indexes */
@@ -1236,6 +1246,8 @@ describeOneTableDetails(const char *schemaname,
 			footers[count_footers++] = pg_strdup(buf.data);
 		}
 
+		add_tablespace_footer(tableinfo.relkind, tableinfo.tablespace,
+			footers, &count_footers, buf);
 		/* end of list marker */
 		footers[count_footers] = NULL;
 
@@ -1287,6 +1299,40 @@ error_return:
 }
 
 
+static void
+add_tablespace_footer(char relkind, Oid tablespace, char **footers, 
+		int *count, PQExpBufferData buf)
+{
+	/* relkinds for which we support tablespaces */
+	if(relkind == 'r' || relkind == 'i')
+	{
+		/*
+		 * We ignore the database default tablespace so that users not
+		 * using tablespaces don't need to know about them.
+		 */
+		if(tablespace != 0)
+		{
+			PGresult   *result1 = NULL;
+			printfPQExpBuffer(&buf, "SELECT spcname FROM pg_tablespace \n"
+				"WHERE oid = '%u';", tablespace);
+			result1 = PSQLexec(buf.data, false);
+	        if (!result1)
+				return;
+			/* Should always be the case, but.... */
+			if(PQntuples(result1) > 0)
+			{
+				printfPQExpBuffer(&buf, _("Tablespace:"));
+				footers[(*count)++] = pg_strdup(buf.data);
+				printfPQExpBuffer(&buf, _("    \"%s\""),
+									  PQgetvalue(result1, 0, 0));
+	
+				footers[(*count)++] = pg_strdup(buf.data);
+			}
+			PQclear(result1);
+		}
+	}
+}
+
 /*
  * \du
  *

src/bin/psql/large_obj.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2003, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/psql/large_obj.c,v 1.31 2003/11/29 19:52:06 pgsql Exp $
+ * $PostgreSQL: pgsql/src/bin/psql/large_obj.c,v 1.32 2004/07/12 20:41:13 momjian Exp $
  */
 #include "postgres_fe.h"
 #include "large_obj.h"
@@ -16,9 +16,6 @@
 #include "print.h"
 
 
-#define atooid(x)  ((Oid) strtoul((x), NULL, 10))
-
-
 /*
  * Prepare to do a large-object operation.	We *must* be inside a transaction
  * block for all these operations, so start one if needed.