SQL smart search possible? - sql

Question

I am trying to pull a list from a large repository. And if there are spaces in this search, I separate the spaces and search separately. So far everything is working fine. And I am sending a list to the JS side to highlight the searched words. The word in the example search is 'paston'. I need to search for it as 'piston' or 'peston', is it possible? The only way I could think of was to change each letter of the words coming from the search in SQL to _ respectively and add them to the end with or, like '_iston' or 'p_ston' or 'pi_ton'. but I'm not sure if this works slow. Does anyone have any suggestions or know of a ready-made structure in SQL?
My SQL code is like this:
ALTER PROCEDURE [dbo].[GetStoklar]
#PageIndex nvarchar(15)
,#PageSize nvarchar(15)
,#Ara nvarchar(max)
AS
BEGIN
DECLARE #sql NVARCHAR(MAX);
DECLARE #NAME VARCHAR(100);
SET #sql = '
Select STOK_KODU,STOK_ADI,GRUP_KODU from TBLSTSABIT where 1=1'
DECLARE CUR CURSOR FOR
SELECT Deger FROM dbo.splitstring(''+#Ara+'')
OPEN CUR
FETCH NEXT FROM CUR INTO #NAME
WHILE ##FETCH_STATUS = 0
BEGIN
SET #sql=#sql+' AND STOK_ADI+STOK_KODU+GRUP_KODU LIKE ''%'+#NAME+'%'''
FETCH NEXT FROM CUR INTO #NAME
END
CLOSE CUR
DEALLOCATE CUR
SET #sql = #sql + ' order by STOK_KODU asc offset (CAST('+#PageIndex+' as int)*CAST('+#PageSize+' as int)) Rows fetch next CAST('+#PageSize+' as int) rows only
'
EXEC sp_executesql #sql;
PRINT #SQL;
RETURN
END
on the C# side like this
StringBuilder test = new StringBuilder();
JsonModel jsonmodel = new JsonModel();
if (Arama != "")
{
foreach (var item in Arama.Split(' '))
{
test.Append(item + "~");
}
}
test.Remove(test.ToString().Length - 1, 1);
jsonmodel.Filtre = test.ToString();
int pagesize = 15;
var tbrow = isStatic.GetStokListesi(pageindex, pagesize, Arama);
jsonmodel.NoMoredata = tbrow.Count < pagesize;
jsonmodel.HTMLString = isStatic.RenderToString(PartialView("_partial", tbrow));
return Json(jsonmodel);
This is the search function.
public static List<Stoklar> GetStokListesi(int pageindex, int pagesize, string Arama)
{
using (blabla db = new blabla())
{
return db.Database.SqlQuery<Stoklar>("[GetStoklar] #PageIndex,#PageSize,#Ara",
new SqlParameter("#PageIndex", pageindex.ToString()), new SqlParameter("#PageSize", pagesize.ToString()), new SqlParameter("#Ara", Arama)).ToList();
}
}
Is there a way to use this more meaningfully on the SQL side?

Answer 1

You can replace all single characters in a word by an '_', and then use these results in a LIKE
For replacing all single characters in a word, see: DBFIDDLE