Re: [SQL] Problem: Referential Integrity Constraints lost
| От | Achilleus Mantzios |
|---|---|
| Тема | Re: [SQL] Problem: Referential Integrity Constraints lost |
| Дата | |
| Msg-id | Pine.LNX.4.44.0211061447400.5940-100000@matrix.gatewaynet.com обсуждение исходный текст |
| Ответ на | Problem: Referential Integrity Constraints lost (Achilleus Mantzios <achill@matrix.gatewaynet.com>) |
| Список | pgsql-hackers |
Also i must that these lost triggers implement the parent table
side of the constraint, e.g.
CREATE TABLE VslSections(
id serial NOT NULL UNIQUE PRIMARY KEY,
name varchar(20) NOT NULL UNIQUE);
CREATE TABLE MachClasses(
id serial NOT NULL UNIQUE PRIMARY KEY,
name varchar(20) NOT NULL UNIQUE,
vslsecid int4 NOT NULL,
FOREIGN KEY (vslsecid) REFERENCES VslSections (id));
Then the triggers created are :
1)
CREATE CONSTRAINT TRIGGER "<unnamed>" AFTER INSERT OR UPDATE ON
"machclasses" FROM "vslsections" NOT DEFERRABLE INITIALLY IMMEDIATE FOR
EACH ROW EXECUTE PROCEDURE "RI_FKey_check_ins" ('<unnamed>',
'machclasses', 'vslsections', 'UNSPECIFIED', 'vslsecid', 'id');
2)
CREATE CONSTRAINT TRIGGER "<unnamed>" AFTER DELETE ON "vslsections" FROM
"machclasses" NOT DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE
PROCEDURE "RI_FKey_noaction_del" ('<unnamed>', 'machclasses',
'vslsections', 'UNSPECIFIED', 'vslsecid', 'id');
3)
CREATE CONSTRAINT TRIGGER "<unnamed>" AFTER UPDATE ON "vslsections" FROM
"machclasses" NOT DEFERRABLE INITIALLY IMMEDIATE FOR EACH ROW EXECUTE
PROCEDURE "RI_FKey_noaction_upd" ('<unnamed>', 'machclasses',
'vslsections', 'UNSPECIFIED', 'vslsecid', 'id');
The *LOST* triggers are 2 and 3.
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel: +30-10-8981112
fax: +30-10-8981877
email: achill@matrix.gatewaynet.com
mantzios@softlab.ece.ntua.gr
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