Unknown trigger in RDB$Triggers (Cross post)

Hi all,

Has anyone a idee where this trigger come's from it's not in my script
I show as a trigger under the dependencies for table "PUR_CONCESSIONAIR"
but it doesn't show as a trigger for the same table.

Roelof

----------------------------------------------------------------------------
------------------------------------------

RDB$TRIGGER_NAME                CHECK_1

RDB$RELATION_NAME             PUR_CONCESSIONAIR

RDB$TRIGGER_SEQUENCE       1

RDB$TRIGGER_TYPE                  6

RDB$TRIGGER_SOURCE           <null>

RDB$TRIGGER_BLR                    blr_version5,
                                                         blr_for,
                                                           blr_rse, 1,
                                                              blr_relation,
15, 'P','U','R','_','P','H','O','N','E','N','U','M','B','E','R', 2,
                                                              blr_boolean,
                                                                 blr_eql,

blr_field, 2, 16,
'C','O','N','C','E','S','S','I','O','N','A','I','R','_','I','D',

blr_field, 0, 16,
'C','O','N','C','E','S','S','I','O','N','A','I','R','_','I','D',
                                                                blr_end,
                                                           blr_erase, 2,
                                                        blr_eoc
RDB$DESCRIPTION                 <null>

RDB$TRIGGER_INACTIVE       0

RDB$SYSTEM_FLAG                0

RDB$FLAGS                               3

Table definitions

CREATE TABLE PUR_PHONENUMBER
(
                CONCESSIONAIR_ID      RBS_FOREIGN_KEY ,
                    PHONETYPE_ID      RBS_FOREIGN_KEY ,
                     PHONENUMBER              RBS_C20 NOT NULL
);

ALTER TABLE PUR_PHONENUMBER ADD CONSTRAINT FK_PHONENUMBER_CONCESSIONAIR
  FOREIGN KEY (CONCESSIONAIR_ID) REFERENCES PUR_CONCESSIONAIR
  (CONCESSIONAIR_ID)

ALTER TABLE PUR_PHONENUMBER ADD CONSTRAINT PK_PUR_PHONENUMBER PRIMARY KEY
  (CONCESSIONAIR_ID, PHONETYPE_ID, PHONENUMBER);

ALTER TABLE PUR_PHONENUMBER ADD CONSTRAINT FK_PHONENUMBER_PHONETYPE
  FOREIGN KEY (PHONETYPE_ID) REFERENCES PUR_PHONETYPE
  (PHONETYPE_ID)

CREATE TABLE PUR_CONCESSIONAIR
(
                CONCESSIONAIR_ID      RBS_IDENTITY_ID ,
                   CONCESSIONAIR              RBS_C40 NOT NULL,
                         ADDRESS              RBS_C40 NOT NULL,
                      POSTALCODE         RBS_POSTCODE NOT NULL,
                            CITY              RBS_C40 NOT NULL,
           CONCESSIONAIR_BARCODE          RBS_BARCODE ,
                  BARCODE_PREFIX               RBS_C5 NOT NULL
);

ALTER TABLE PUR_CONCESSIONAIR ADD CONSTRAINT PK_PUR_CONCESSIONAIR PRIMARY
KEY
  (CONCESSIONAIR_ID);

CREATE UNIQUE ASC INDEX IDX_BARCODE_PUR_CONCESSIONAIR ON PUR_CONCESSIONAIR
(CONCESSIONAIR_BARCODE);

/*
  Trigger: TRG_INSERT_PUR_CONCESSIONAIR

  Author  : Roelof Wever
            Re-Base Solutions, The Netherlands
  Date    : 10-1-2003 15:08:15
  Table   : Check if the given CONCESSIONAIR is uniek
  Purpose :

*/

 DECLARE VARIABLE FCOUNT INTEGER;
BEGIN
  SELECT COUNT (CONCESSIONAIR) FROM PUR_CONCESSIONAIR WHERE
UPPER(CONCESSIONAIR) = UPPER(NEW.CONCESSIONAIR) INTO :FCOUNT;
  IF (FCOUNT <> 0) THEN
  begin
    exception DUP_CONCESSIONAIR;
  end
  ELSE
  begin
    SELECT COUNT (CONCESSIONAIR) FROM PUR_CONCESSIONAIR WHERE BARCODE_PREFIX
= UPPER(NEW.BARCODE_PREFIX) INTO :FCOUNT;
    IF (FCOUNT <> 0) THEN
      EXCEPTION DUP_CONCESSIONAIR_PREFIX;
  end
END

/*
  Trigger: TRG_UPDATE_PUR_CONCESSIONAIR

  Author  : Roelof Wever
            Re-Base Solutions, The Netherlands
  Date    : 10-1-2003 15:19:37
  Table   : PUR_CONCESSIONAIR
  Purpose : check if the given name is uniek
*/

 DECLARE VARIABLE FCOUNT INTEGER;
BEGIN
  IF (OLD.CONCESSIONAIR <> NEW.CONCESSIONAIR) THEN
  SELECT COUNT (CONCESSIONAIR) FROM PUR_CONCESSIONAIR WHERE
UPPER(CONCESSIONAIR) = UPPER(NEW.CONCESSIONAIR)
  AND CONCESSIONAIR_ID <> OLD.CONCESSIONAIR_ID INTO :FCOUNT;
  IF (FCOUNT <> 0) THEN
    exception DUP_CONCESSIONAIR;
END