Do SET Statements happen in order?
Since I could not find it out here, do set statements happen in order scripted? Below is query I found. Would I get the same result every time it ran?
DECLARE @Num VARCHAR(10) = '10';
DECLARE @Cleaned VARCHAR(10);
SET @Cleaned = SUBSTRING(@Num, PATINDEX('%[^0]%', @Num+'.'), LEN(@Num));
SET @Cleaned = CASE
WHEN LEN(@Cleaned) > 3
THEN @Cleaned
ELSE RIGHT('00000'+@Cleaned, 3)
END;
-- to be set up
SELECT @Num AS [before]
, @Cleaned AS [After]
sql-server ssms best-practices
New contributor
add a comment |
Since I could not find it out here, do set statements happen in order scripted? Below is query I found. Would I get the same result every time it ran?
DECLARE @Num VARCHAR(10) = '10';
DECLARE @Cleaned VARCHAR(10);
SET @Cleaned = SUBSTRING(@Num, PATINDEX('%[^0]%', @Num+'.'), LEN(@Num));
SET @Cleaned = CASE
WHEN LEN(@Cleaned) > 3
THEN @Cleaned
ELSE RIGHT('00000'+@Cleaned, 3)
END;
-- to be set up
SELECT @Num AS [before]
, @Cleaned AS [After]
sql-server ssms best-practices
New contributor
1
That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago
add a comment |
Since I could not find it out here, do set statements happen in order scripted? Below is query I found. Would I get the same result every time it ran?
DECLARE @Num VARCHAR(10) = '10';
DECLARE @Cleaned VARCHAR(10);
SET @Cleaned = SUBSTRING(@Num, PATINDEX('%[^0]%', @Num+'.'), LEN(@Num));
SET @Cleaned = CASE
WHEN LEN(@Cleaned) > 3
THEN @Cleaned
ELSE RIGHT('00000'+@Cleaned, 3)
END;
-- to be set up
SELECT @Num AS [before]
, @Cleaned AS [After]
sql-server ssms best-practices
New contributor
Since I could not find it out here, do set statements happen in order scripted? Below is query I found. Would I get the same result every time it ran?
DECLARE @Num VARCHAR(10) = '10';
DECLARE @Cleaned VARCHAR(10);
SET @Cleaned = SUBSTRING(@Num, PATINDEX('%[^0]%', @Num+'.'), LEN(@Num));
SET @Cleaned = CASE
WHEN LEN(@Cleaned) > 3
THEN @Cleaned
ELSE RIGHT('00000'+@Cleaned, 3)
END;
-- to be set up
SELECT @Num AS [before]
, @Cleaned AS [After]
sql-server ssms best-practices
sql-server ssms best-practices
New contributor
New contributor
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asked 30 mins ago
EricEric
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That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago
add a comment |
1
That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago
1
1
That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago
That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago
add a comment |
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That query will always return the same results, every time, until Num value is changed. T-SQL is procedural, so Cleaned will always have the SUBSTRING value first and the CASE value second.
– HandyD
22 mins ago