用於自動壓縮的mssql查詢

Question

當我提問某個單詞時，它會完成單詞或向其添加新單詞。 獨一無二的前10個錄音。

declare @Category table (CategoryName varchar(50)) 

insert into @Category (CategoryName) values('phones') 
insert into @Category (CategoryName) values('phone blue') 
insert into @Category (CategoryName) values('phone pink') 
insert into @Category (CategoryName) values('phone big') 
insert into @Category (CategoryName) values('phone big bang') 
insert into @Category (CategoryName) values('bad phone blue') 
insert into @Category (CategoryName) values('bad phone pink') 
insert into @Category (CategoryName) values('bad phone but good') 

的類別名稱 「手機」

• 電話藍色
• 手機粉色
• 手機大
• 手機，但

打電話時，我想下面的結果調用類別時，我希望獲得以下結果名爲 「PHON」

• 電話
• 手機

Answer 1

declare @Category table (CategoryName varchar(50)) 

insert into @Category (CategoryName) values('phone blue') 
insert into @Category (CategoryName) values('phone pink') 
insert into @Category (CategoryName) values('phone big') 
insert into @Category (CategoryName) values('phone big bang') 
insert into @Category (CategoryName) values('bad phone blue') 
insert into @Category (CategoryName) values('bad phone pink') 
insert into @Category (CategoryName) values('bad phone but good') 
insert into @Category (CategoryName) values('phone') 
insert into @Category (CategoryName) values('silly phone') 
insert into @Category (CategoryName) values('lost phone ') 
insert into @Category (CategoryName) values('white phone user') 
insert into @Category (CategoryName) values('some device') 
insert into @Category (CategoryName) values('phoner homer') 
insert into @Category (CategoryName) values('space phone ') 
insert into @Category (CategoryName) values('jam phone hex doc') 

declare @Formword varchar(50) = 'phone'; 

select CategoryName 
     --, charindex(@FormWord,Categoryname) 
     --, charindex(@FormWord,Categoryname) + len(@FormWord)-1 
     --, charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord)) 
     --, ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))) 
     --, charindex(' ',ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord)))))) 
     --, left(ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))),charindex(' ',ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))))) 
     , case when charindex(' ',ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord)))))) = 0 
        then @Formword + ' ' + ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))) 
       else 
        @Formword + ' ' + left(ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))),charindex(' ',ltrim(right(categoryname,(len(categoryname)-charindex(' ',CategoryName,charindex(@FormWord,Categoryname) + len(@FormWord))))))) 
      end [next word] 

from @Category 
where 1 = 1 
     and CategoryName like '%' + @Formword + '%' 
     and len(CategoryName) > len(@Formword) + 1 
     and charindex(@FormWord,Categoryname) + len(@FormWord) < len(Categoryname) 

Answer 2

declare @Category table (CategoryName varchar(50)) 

insert into @Category (CategoryName) values('phones') 
insert into @Category (CategoryName) values('phone blue') 
insert into @Category (CategoryName) values('phone pink') 
insert into @Category (CategoryName) values('phone big') 
insert into @Category (CategoryName) values('phone big bang') 
insert into @Category (CategoryName) values('bad phone blue') 
insert into @Category (CategoryName) values('bad phone pink') 
insert into @Category (CategoryName) values('bad phone but good') 


declare @searchWord varchar(50) = 'phone'; 
declare @res int; 

set @res = (select case when (select count(*) from @Category 
       where substring(CategoryName, 0, CHARINDEX(' ', CategoryName)) = @searchWord) > 0 
       then 1 
       else 0 
      end) 
if(@res = 1) 
begin 
    select top 10 CategoryName from @Category where CategoryName like''+@searchWord+'%' and CategoryName like '% %' order by CategoryName 
end 
else 
begin 
    select top 10 CategoryName from @Category where CategoryName like''+@searchWord+'%' and CategoryName not like '% %' order by CategoryName 
end 

我希望這有助於。