xp_sscanf (Transact-SQL)
Reads data from the string into the argument locations specified by each format argument.
Transact-SQL Syntax Conventions
Składnia
xp_sscanf { string OUTPUT , format } [ ,argument [ ,...n ] ]
Arguments
string
Is the character string to read the argument values from.OUTPUT
When specified, puts the value of argument in the output parameter.format
Is a formatted character string similar to what is supported by the C-language sscanf function. Currently, only the %s format argument is supported.argument
Is a varchar variable set to the value of the corresponding format argument.n
Is a placeholder that indicates that a maximum of 50 arguments can be specified.
Return Code Values
0 (success) or 1 (failure)
Result Sets
xp_sscanf returns the following message:
Command(s) completed successfully.
Permissions
Requires membership in the public role.
Examples
The following example uses xp_sscanf to extract two values from a source string based on their positions in the format of the source string.
DECLARE @filename varchar (20), @message varchar (20)
EXEC xp_sscanf 'sync -b -fproducts10.tmp -rrandom', 'sync -b -f%s -r%s',
@filename OUTPUT, @message OUTPUT
SELECT @filename, @message
Here is the result set.
-------------------- --------------------
products10.tmp random
Zobacz także
Odwołanie
System Stored Procedures (Transact-SQL)