Decoding Set Options

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Decoding Set Options

Steve Jones - SSC Editor

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March 15, 2023 at 12:00 am

#4148259

Comments posted to this topic are about the item Decoding Set Options
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Carlo Romagnano SSC-Insane Points: 22392 More actions · Answer 1

I get it right, but I admit that the question is a little confusing: the value of 4 is the 3rd bit (starting from position ZERO, 2 is the right one). So, I understood you want to decod ANSI_WARNINGS that is GET_BIT(@@OPTION,3).

Y.B. SSChampion Points: 11611 More actions · Answer 2

Yeah, I have to admit this one was a little confusing. According to the documentation "Value 4" on the user options table is referring to CURSON_CLOSE_ON_COMMIT. If you take it as the @@OPTIONS variable returns 4 (which is decimal) then you still end up with 0100 in binary which still indicates that value 4 of the user options table is set (CURSON_CLOSE_ON_COMMIT). If you ignore that and only read it as "How do you determine if SET ANSI_WARNINGS is enabled/disabled?"; then it makes more sense. At least to me...

SELECT quote FROM brain WHERE original = 1
0 rows returned

Jeff Moden SSC Guru Points: 1002545 More actions · Answer 3

They do it in a lot of languages... I hate it when people number the bits differently than the exponent of "2". 😀

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

Steve Jones - SSC Editor SSC Guru Points: 730686 More actions · Answer 4

The whole 0 or 1 based thing seems incredibly annoying to me. Someone should have just stated everything is 0-based early on and demanded all languages stick to this.

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Jeff Moden SSC Guru Points: 1002545 More actions · Answer 5

+1000

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)