Philippe Makowski's blog

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# urpmi yum python-lzma
# mkdir -p /var/local/chroot/fedora/var/lib/rpm
# rpm --root /var/local/chroot/fedora --initdb
# cd /tmp/
# wget ftp://195.220.108.108/linux/fedora/linux/releases/21/Everything/x86_64/os/Packages/f/fedora-release-21-2.noarch.rpm
# wget ftp://195.220.108.108/linux/fedora/linux/releases/21/Everything/x86_64/os/Packages/f/fedora-repos-21-2.noarch.rpm
# rpm -ivh --nodeps --root /var/local/chroot/fedora fedora*rpm
# for f in /var/local/chroot/fedora/etc/yum.repos.d/*; do  sed -i 's/$basearch/x86_64/g;' $f; done
# ln -s /var/local/chroot/fedora/etc/pki/rpm-gpg/ /etc/pki/rpm-gpg
# yum --installroot=/var/local/chroot/fedora repolist all
# yum --installroot=/var/local/chroot/fedora groupinstall Core# urpmi schroot

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$ cat /etc/schroot/chroot.d/fedora
[fedora]
description=Fedora 21
type=directory
directory=/var/local/chroot/fedora
users=philippe
groups=wheel
root-groups=root,wheel
aliases=default
preserve-environment=true

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# echo fedora21 > /var/local/chroot/fedora/etc/debian_chroot
# cat << 'EOF' > /var/local/chroot/fedora/etc/profile.d/debian_chroot.sh
# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
debian_chroot=$(cat /etc/debian_chroot)
fi# set a fancy prompt (non-color, overwrite the one in /etc/profile)
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
EOF

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philippe@callandor ~$ schroot -c fedora
(fedora)philippe@callandor:~$ cat /etc/fedora-release
Fedora release 21 (Twenty One)

yum installfedora-packager
fedora-packager-setup
zypper info firebird
Dépot: openSUSE Factory (OSS)
Nom: firebird
Version: 2.1.3.18185.0-1.1
Arch: i586
Fabricant: openSUSE
Installé: Non
État: non installée
Taille une fois installé : 3,4 M
Résumé: SQL relational database management system
Description:This package contains common files between
firebird-classic and firebird-superserver.
You will need this if you want to use either one.

firebird.conf
Normally,Firebird uses SO_KEEPALIVE socket option to keep track of
active connections. If you do not like default 2-hour keepalive timeout
then adjust your server OS settings appropriately.

select count(*) from mon$attachments
error reading data from the connection
firebird.conf
kernel.sem="1024 64000 1024 512"

LockSemCount= 512

# cat/proc/sys/kernel/sem
250  32000   32    128

/etc/sysctl.conf
#           SEMMSL  SEMMNS  SEMOPM SEMMNI
kernel.sem =1024    32000   256     1024

sysctl -p
# cat/proc/sys/kernel/sem
1024  32000    256    1024

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./autogen.sh --with-system-icu

server:database
firebird.log
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$ cat /etc/sysctl.conf
kern.sysv.shmmax=10485760
kern.sysv.shmmin=1
kern.sysv.shmmni=32
kern.sysv.shmseg=8
kern.sysv.shmall=4096
kern.maxproc=2068
kern.maxprocperuid=2068
$ cat /etc/launchd.conf
limit maxproc 2068 2068
limit maxfiles 10240 10240

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SET TERM ^;
 CREATE PROCEDURE SP_CALCSELECTIVITY
  AS
  DECLARE VARIABLE IDX VARCHAR(50);
  DECLARE VARIABLE STMT VARCHAR(75);
  BEGIN
   FOR
    SELECT RDB$INDEX_NAME
      FROM RDB$INDICES
    INTO :IDX
   DO
    BEGIN
     STMT = 'SET STATISTICS INDEX ' || :IDX;
     EXECUTE STATEMENT :STMT;
    END
  END ^
  SET TERM ;^

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EXECUTE PROCEDURE SP_CALCSELECTIVITY;

ISO8859_1
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SELECT UPPER(CAST('aeiouéèàüûôë' AS CHAR(12) CHARACTER SET ISO8859_1) )C_NP,
  UPPER(CAST('aeiouéèàüûôë' AS CHAR(12) CHARACTER SET ISO8859_1) COLLATE FR_FR)C_FR_FR,
  UPPER(CAST('aeiouéèàüûôë' AS CHAR(12) CHARACTER SET ISO8859_1) COLLATE FR_CA)C_FR_CA
 FROM RDB$DATABASE;

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C_NP         C_FR_FR      C_FR_CA
--------------------------------------
AEIOUéèàüûôë AEIOUEEAUUOE AEIOUÉÈÀÜÛÔË

rdb$db_key
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select c0.some_value
 from your_table c0, your_table c1
 wherec0.some_value=c1.some_value
 and c0.rdb$db_key>c1.rdb$db_key

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delete from your_table r
 where r.rdb$db_key in
  (select c0.rdb$db_key
    from your_table c0 join your_table c1
      on c0.some_value=c1.some_value
       and c0.rdb$db_key>c1.rdb$db_key
  )

some_value
rdb$db_key
CREATE VIEW CHECK_CONSTRAINTS (CONSTRAINT_NAME,CHECK_CLAUSE) AS
 SELECT RDB$CONSTRAINT_NAME, RDB$TRIGGER_SOURCE
 FROM RDB$CHECK_CONSTRAINTS RC, RDB$TRIGGERS RT
 WHERE RT.RDB$TRIGGER_NAME = RC.RDB$TRIGGER_NAME;

CREATE VIEW CONSTRAINTS_COLUMN_USAGE (TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME) AS
 SELECT RDB$RELATION_NAME, RDB$FIELD_NAME, RDB$CONSTRAINT_NAME
 FROM RDB$RELATION_CONSTRAINTS RC, RDB$INDEX_SEGMENTS RI
 WHERE RI.RDB$INDEX_NAME = RC.RDB$INDEX_NAME;

CREATE VIEW REFERENTIAL_CONSTRAINTS (CONSTRAINT_NAME,UNIQUE_CONSTRAINT_NAME,MATCH_OPTION,UPDATE_RULE,DELETE_RULE ) AS
 SELECT RDB$CONSTRAINT_NAME, RDB$CONST_NAME_UQ, RDB$MATCH_OPTION, RDB$UPDATE_RULE, RDB$DELETE_RULE
 FROM RDB$REF_CONSTRAINTS;

CREATE VIEW TABLE_CONSTRAINTS (CONSTRAINT_NAME,TABLE_NAME,CONSTRAINT_TYPE,IS_DEFERRABLE,INITIALLY_DEFERRED) AS
 SELECT RDB$CONSTRAINT_NAME, RDB$RELATION_NAME, RDB$CONSTRAINT_TYPE, RDB$DEFERRABLE, RDB$INITIALLY_DEFERRED
 FROM RDB$RELATION_CONSTRAINTS;

ready 127.0.0.1:c:\db\base_A.fdb as src user 'sysdba' password'masterkey'
ready 127.0.0.1:c:\db\base_B.fdb as tgt user 'sysdba' password'masterkey'
for s in src.T_1  begin
 if not any c in tgt.T_1 with
  (s.A=c.A and s.B=c.B and s.C=c.C)
 print s.A, s.B, s.C
end

C:\FB2\bin>qli
Welcome to QLI Query Language Interpreter
QLI> @test.txt

# ls -l /dev/hdb6

brw-rw---- 1 root disk 3, 70 Feb  9  2006 /dev/hdb6
^                      ^^^^^ - this are major and minor of special file
|
+--------- This letter 'b' means it's block device.
           Therefore first mknod parameter is 'b'.

cd /var/firebird/dbmknod hdb6 b 3 70chown firebird:firebird hdb6chmod 0660 hdb6
db # ls -ltotal 0brw-rw---- 1 firebird firebird 3, 70 Feb 15 10:27 hdb6
gbak -c mybackup.fbk localhost:/var/firebird/db/hdb6 -user MYUSER-password mypass
run_description
run_seq
/usr/bin/qmtest run -C ../../context15 -o FCS-glsd-Linux-run4.qmr -c run_description=Linux -c run_seq=4

# echo ABC >file1# ln file1 file2# mkdir sub# ln file1 sub/file1
# rm file1

Philippe Makowski's blog

Notes sur les outils numériques pour la randonnée

Ressources atelier hygiène numérique

Firebird 3.0 for Centos 7, Mageia and Fedora

Firebird 3 RC2 for Centos 7

News from the packaging front

Philippe's Blog is back

Mageia 5 Cinnamon with Fedora chroot

Mageia 4 on time for Fosdem and …

Firebird transactions settings

Mageia 1 a Firebird friendly new distribution

Windows Firebird Classic and cache

Firebird on Linux and ICU > 4.2

News from the packaging front

Mageia : a new GNU Linux distribution

Thanks for DOR !

Firebird’s 10th birthday a bunch of conferences

Firebird 10th anniversary

Firebird in OpenSuse

Firebird packages for Fedora, Centos, RHEL

Lost connections

From the Firebird support list : semaphores exhausted

Firebird 2.1.2 on Mips 64

Firebird and Suse

Heavy load under MacOs X

Recalculer la sélectivitité des index

Comment convertir en majuscule les lettres accentuées

Détecter et supprimer des doublons

Vues système SQL-92

Trouver les enregistrements absent d'une table entre deux bases de données

Using raw device

Using context variable

Firebird, files, posix

Qmtest clean up for Firebird 2.1