Fix incorrect SPI example, per Yoshihisa Nakano.

doc/src/sgml/spi.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/spi.sgml,v 1.43 2005/09/12 18:40:19 neilc Exp $
+$PostgreSQL: pgsql/doc/src/sgml/spi.sgml,v 1.44 2005/12/07 15:39:25 tgl Exp $
 -->
 
 <chapter id="spi">
@@ -3044,7 +3044,7 @@ CREATE FUNCTION execq(text, integer) RETURNS integer
 (1 row)
 
 =&gt; INSERT INTO a VALUES (execq('INSERT INTO a VALUES (0)', 0));
-INSERT 167631 1
+INSERT 0 1
 =&gt; SELECT execq('SELECT * FROM a', 0);
 INFO:  EXECQ:  0    -- inserted by execq
 INFO:  EXECQ:  1    -- returned by execq and inserted by upper INSERT
@@ -3073,7 +3073,7 @@ INFO:  EXECQ:  2    -- 0 + 2, only one row inserted - as specified
 =&gt; DELETE FROM a;
 DELETE 3
 =&gt; INSERT INTO a VALUES (execq('SELECT * FROM a', 0) + 1);
-INSERT 167712 1
+INSERT 0 1
 =&gt; SELECT * FROM a;
  x
 ---
@@ -3081,8 +3081,8 @@ INSERT 167712 1
 (1 row)
 
 =&gt; INSERT INTO a VALUES (execq('SELECT * FROM a', 0) + 1);
-INFO:  EXECQ:  0
-INSERT 167713 1
+INFO:  EXECQ:  1
+INSERT 0 1
 =&gt; SELECT * FROM a;
  x
 ---