111 发表于 2018-10-18 06:25:27

SQL实现split功能的函数 (2)

分割再成批插入  declare @s varchar(8000),@sql nvarchar(4000)
  set @s='1,12,1212,4545'
  set @sql='insert into t(col) select '+replace(@s,',',' col union all select ')
  exec(@sql)
  测试
  drop table #table
  declare @s varchar(8000),@sql nvarchar(4000)
  set @s='1,12,1212,4545,454'
  create table #table (col int)
  set @sql='insert into #table(col) select '+replace(@s,',',' col union all select ')
  exec(@sql)
  select * from #table
  create function f_split(@SourceSql varchar(8000),@StrSeprate varchar(10))
  returns @temp table(a varchar(100))
  --实现split功能 的函数
  as
  begin
  declare @i int
  set @SourceSql=rtrim(ltrim(@SourceSql))
  set @i=charindex(@StrSeprate,@SourceSql)
  while @i>=1
  begin
  insert @temp values(left(@SourceSql,@i-1))
  set @SourceSql=substring(@SourceSql,@i+1,len(@SourceSql)-@i)
  set @i=charindex(@StrSeprate,@SourceSql)
  end
  if @SourceSql'\'
  insert @temp values(@SourceSql)
  return
  end
  用法:select * from dbo.f_split('ABC:BC:C:D:E',':')

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