ts-sql | SQL database implemented purely in TypeScript type | SQL Database library
kandi X-RAY | ts-sql Summary
kandi X-RAY | ts-sql Summary
This is a SQL database implemented purely in TypeScript type annotations. This means that it operates solely on types - you define a "database" (just a type annotation) and then query it using some more type annotations. It supports a subset of SQL, including SELECT (with conditions and joins), INSERT, UPDATE and DELETE statements. You can install ts-sql in your own project with npm install @codemix/ts-sql or yarn add @codemix/ts-sql (TypeScript 4.1 is required).
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QUESTION
I've attempted to generate scripts. I've used both of these options:
When attempting to execute the generated script, it works on the initial database creation.
All subsequent attempts to run the generated script result in the following error:
...ANSWER
Answered 2021-Oct-12 at 21:11This is indeed because you didn't name your constraints, so the second time it attempts to drop the old name then add an additional constraint.
The first time you run the script it checks for a default constraint called DF__LookupCol__IsPri__46DD686B
, which of course does not exist.
Then it runs
ALTER TABLE [cfg].[LookupColumns] ADD DEFAULT (CONVERT([bit],(0))) FOR [IsPrimaryKey]
Which creates a new constraint with a new auto-generated name. Next time you run the script, it tries to drop DF__LookupCol__IsPri__46DD686B
again, which still doesn't exist, and then tries to add a new constraint, which fails.
So to be able to re-run this script, you should name all your constraints and indexes before generating the scripts.
You can find the system-named default constraints like this:
QUESTION
I'm using DBeaver to connect to Open-Edge 11 database which supports SQL functions. The functions used HERE don't work. Here is a single example and the result:
Function:
...ANSWER
Answered 2020-Jul-13 at 05:08Column information is stored in Progress system tables called "syscolumns". Here is an example to retrieve column information of the "Customer" table:
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