From 360e61e1f5d86cb7296edf28475334f0fcf4ecb3 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Sun, 14 Oct 2001 23:27:31 +0000 Subject: [PATCH] Update FAQ. --- doc/FAQ | 12 ++++-------- doc/src/FAQ/FAQ.html | 12 ++++-------- 2 files changed, 8 insertions(+), 16 deletions(-) diff --git a/doc/FAQ b/doc/FAQ index 334143ce5b..0203710045 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Sat Oct 13 01:26:55 EDT 2001 + Last updated: Sun Oct 14 19:27:20 EDT 2001 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -826,10 +826,8 @@ BYTEA bytea variable-length byte array (null-safe) object with the nextval() function before inserting and then insert it explicitly. Using the example table in 4.16.1, that might look like this in Perl: - $sql = "SELECT nextval('person_id_seq')"; - $newSerialID = ($conn->selectrow_array($sql))[0]; - INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal'); - $res = $dbh->do($sql); + new_id = output of "SELECT nextval('person_id_seq')" + INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal'); You would then also have the new value stored in $newSerialID for use in other queries (e.g., as a foreign key to the person table). Note @@ -840,9 +838,7 @@ BYTEA bytea variable-length byte array (null-safe) Alternatively, you could retrieve the assigned SERIAL value with the currval() function after it was inserted by default, e.g., INSERT INTO person (name) VALUES ('Blaise Pascal'); - $res = $conn->do($sql); - $sql = "SELECT currval('person_id_seq')"; - $newSerialID = ($conn->selectrow_array($sql))[0]; + new_id = output of "SELECT currval('person_id_seq')"; Finally, you could use the OID returned from the INSERT statement to look up the default value, though this is probably the least portable diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index d3f5da6f8f..efb5724282 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -12,7 +12,7 @@ alink="#0000FF">

Frequently Asked Questions (FAQ) for PostgreSQL

-

Last updated: Sat Oct 13 01:26:55 EDT 2001

+

Last updated: Sun Oct 14 19:27:20 EDT 2001

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -1050,10 +1050,8 @@ BYTEA bytea variable-length byte array (null-safe) example table in 4.16.1, that might look like this in Perl:

-    $sql = "SELECT nextval('person_id_seq')";
-    $newSerialID = ($conn->selectrow_array($sql))[0];
-    INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
-    $res = $dbh->do($sql);
+    new_id = output of "SELECT nextval('person_id_seq')"
+    INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal');
 
You would then also have the new value stored in $newSerialID for use in other queries (e.g., as a @@ -1068,9 +1066,7 @@ BYTEA bytea variable-length byte array (null-safe) after it was inserted by default, e.g.,

     INSERT INTO person (name) VALUES ('Blaise Pascal');
-    $res = $conn->do($sql);
-    $sql = "SELECT currval('person_id_seq')";
-    $newSerialID = ($conn->selectrow_array($sql))[0];
+    new_id = output of "SELECT currval('person_id_seq')";
 
Finally, you could use the OID returned from the INSERT statement to look up the