封装游标存储过程(Pr_execsql2)

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使用脚本自己可以执行自己的特性,封装游标操作存储过程如下:
CREATEPrOCEDUREPr_execsql2
      @AsqlstringVARCHAR(8000)--输入的SQL语句
AS
EXEC('
--启动事务
BEGINTRAN

DECLARE@ASqlVARCHAR(8000)
DECLAREtnames_cursorCURSORLOCALFAST_FORWARDFOR'+ @asqlstring+'
OPENtnames_cursor
FETCHNEXTFROMtnames_cursorINTO@ASql
WHILE(@@FETCH_STATUS=0)
BEGIN
Print@ASql
EXEC(@ASql)
IF@@ERROR<>0GOTOFINALEXIT
FETCHNEXTFROMtnames_cursorINTO@ASql
END
CLOSEtnames_cursor
DEALLOCATEtnames_cursor

COMMITTRAN
RETURN

FINALEXIT:
ROLLBACKTRAN
CLOSEtnames_cursor
DEALLOCATEtnames_cursor

')
使用方法:
declare@sqlvarchar(8000)
set@sql='select''updateaseta.a='' +b.afromb '
execPr_execsql2@sql

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