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Constraint & Alter Table on VarChar Field

Constraint & Alter Table on VarChar Field

2007-06-21       - By Lukasz Misztal

 Back
Reply:     1     2  

Hi,

i try execute (example) SQL statement:

CREATE TABLE "TableT1"
(
  "MT_ID"  Fixed (10,0)  NOT NULL  DEFAULT SERIAL (1),
  "MT_Name"  Varchar (200) UNICODE  NOT NULL,
  "MT_Value"  Fixed (15,5)  NOT NULL  DEFAULT           1.00000,
  PRIMARY KEY ("MT_ID"),
  CONSTRAINT "CS_Value" CHECK "MT_Value" <> 0
)
//
ALTER TABLE "TableT1" MODIFY ("MT_Name" VARCHAR (60) UNICODE)
//
ALTER TABLE "TableT1" MODIFY ("MT_Name" VARCHAR (80) UNICODE)
//
drop table "TableT1"

and I get error:

Auto Commit: On, SQL Mode: Internal, Isolation Level: Serializable
Syntax error or access violation;-3014 POS(2) Invalid end of SQL statement

Question is:
1. why constraint prevents from second alter table?
2. why MT_Value (not "MT_Value") works fine?

It is a bug?

Best regards,

Lukasz

Tested on:
MAXDB 7.6.00.34, WIN XP Prof,
MAXDB 7.6.00.37, WIN XP Prof,
SQL Studio 7.6.00.27 (123692)





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