I've got 2 table which have file paths in then.
the first table has 2 column:
P_ID
Path-Snip
the second table also has 2 column:
Path_def
Value
The Path_Snip is a reduced path which is related to an area of the program.
What I'd like to do is Join the two table to have a table with 4 column:
P_ID
Path_Snip
Path_def
Value
I'd like to match the paths together so that the similar Path_Snips are joined with the similar Path_def:
Example of what I'd like the table to look like:
P_ID = 1
Path_Snip = branches/Projects/Enhancements2015Q1/Encryption
Path_def = branches/Projects/Enhancements2015Q1/Encryption/Encryption.csproj
Value = 12
As the 2 paths match I'd like to keep them together
I think you're looking for a JOIN with LIKE:
SELECT
t1.p_ID
, t1.Path_snip
, t2.Path_def
, t2.Value
FROM table1 t1
INNER JOIN table2 t2 ON t2.Path_def LIKE '%' + t1.Path_Snip + '%'
You need like operator in join:
select * from t1
join t2 on t1.Path-Snip like t2.Path_def + '%' or t2.Path_def like t1.Path-Snip + '%'
Based on comment...
SELECT
s.p_ID
, s.Path-snip
, d.Path_def
, d.Value
FROM tblDef d
LEFT JOIN tblSnip s ON d.Path_def LIKE s.Path-Snip + '%'
I have used LEFT join here in case you have entries in the Def table with nothing in the snip table.
Radu's question on 'best match' in the comments is a valid one. But, assuming a simple scenario, of the left portion of the paths matching, and assuming left,right joins are not required and inner joins will work (both tables will have uniquely matching records al the time), here is a different version, using SubString :
Select T1.*, T2.* From Table1 T1, Table2 T2 Where
Substring(T2.Path_def, 1, Len(T1.Path_snip)) = T1.Path_snip
Related
An alternative title would be "how to join two external tables with two different values, by row, from query result". I'm open to suggestions/edits.
I have this query result (2 of 6000+ lines shown)
objectpriref packpriref locpriref
------------ ---------- ----------
30889 229 16672
30990 267 16697
and 2 tables like this
objname location
id name id name
---------.-------- ---------.----
30889 MACQ_001 16672 A16
30890 BLAH_002 16673 A17
30990 FOOH_009 16697 B300
The desired result should look something like this
objectpriref objname locname
------------ ---------- ----------
30889 MACQ_001 A16
30990 FOOH_009 B300
If this can be done within SQL, what would be the best approach? What I've tried so far:
Put the query result into a temp table using INTO #mtt (for MyTempTable) from here and then trying to address the various columns as #mtt.objectpriref etc. This gets me invalid object name #mtt. This might deserve a separate question.
Put the query inside another select, but that runs into this, using IN works on single columns only.
I may be using the wrong keywords to google for. Any suggestions?
Something like
select
T1.objectpriref,
T2.name as objname,
T3.name as locname
from
table1 T1
inner join table2 T2
on T2.objnameid = T1.objectpriref
inner join table3 T3
on T3.locationid = T1.locpriref
Try this with your table names.
select t1.objectpreiref, t2.name, t3.name
from table1 t1
left join table2 t2 on t1.objectpriref = t2.objnameid
left join table3 t3 on t1.locpriref = t3.locationid
The three tables in question are:
Table A - relevant columns are TimeTicket and IdAddress
Table B - relevant columns are CommunicationNumber, TimeCreate and IdAddress.
Table C - relevant columns are CommunicationNumber, LastCalled, NextCall
Table C is created by a join of TableA and TableB on IdAddress
INSERT INTO tblC ([CommunicationNumber], [LastCalled] ,[NextCall])
SELECT T2.CommunicationNumber, T2.TimeCreate, T1.TimeTicket
FROM tblA T1
INNER JOIN tblB T2
ON T1.IdAddress = T2.IdAddress AND T2.CommunicationNumber IS NOT NULL
That's one part of the process, and that's fine.
Now, when there is new data in Table A and Table B, I want to update the data entries in Table C. However, I want to ignore the values from Table A and Table B that I have already entered into Table C.
To achieve this, I used NOT EXISTS and wrote a query that looks like this.
INSERT INTO tblC ([CommunicationNumber], [LastCalled] ,[NextCall])
SELECT T2.CommunicationNumber, T2.TimeCreate, T1.TimeTicket
FROM tblA T1
INNER JOIN tblB T2
ON T1.IdAddress = T2.IdAddress AND T2.CommunicationNumber IS NOT NULL
WHERE NOT EXISTS (SELECT T3.CommunicationNumber
FROM [dbo].[tblPhoneLogRep] T3
WHERE T1.TimeTicket <> T3.NextCall AND T2.TimeCreate <> T3.LastCalled AND T2.CommunicationNumber <> T3.CommunicationNumber)
However, this query always returns an empty set.
Could someone please explain to me what is it that I am doing incorrectly?
Try using the EXCEPT set operator:
INSERT INTO tblC ([CommunicationNumber], [LastCalled] ,[NextCall])
SELECT T2.CommunicationNumber, T2.TimeCreate, T1.TimeTicket
FROM tblA T1
INNER JOIN tblB T2
ON T1.IdAddress = T2.IdAddress AND T2.CommunicationNumber IS NOT NULL
EXCEPT
SELECT CommunicationNumber, LastCalled, NextCall FROM tblC
To fix your existing query, you would need to change your <> operators to = operators, like so:
INSERT INTO tblC ([CommunicationNumber], [LastCalled] ,[NextCall])
SELECT T2.CommunicationNumber, T2.TimeCreate, T1.TimeTicket
FROM tblA T1
INNER JOIN tblB T2
ON T1.IdAddress = T2.IdAddress AND T2.CommunicationNumber IS NOT NULL
WHERE NOT EXISTS (SELECT 1
FROM tblC
WHERE T1.TimeTicket = tblC.NextCall AND T2.TimeCreate = tblC.LastCalled AND T2.CommunicationNumber = tblC.CommunicationNumber)
Personally, I think the EXCEPT syntax is more clear though.
Your issue is that you are essentially using a double negative. You are saying NOT EXISTS and you are setting your WHERE criteria to <>. I think it would work out if you either used EXISTS or change you criteria =.
I have a complex query to retrieve some results:
EDITED QUERY (added the UNION ALL):
SELECT t.*
FROM (
SELECT
dbo.Intervencao.INT_Processo, analista,
ETS.ETS_Sigla, ATC.ATC_Sigla, PAT.PAT_Sigla, dbo.Assunto.SNT_Peso,
CASE
WHEN ETS.ETS_Sigla = 'PE' AND (PAT.PAT_Sigla = 'LIB' OR PAT.PAT_Sigla = 'LBR') THEN (0.3*SNT_Peso)
WHEN ETS.ETS_Sigla = 'CD' THEN (0.3*SNT_Peso)*0.3
ELSE SNT_Peso
END AS PESOAREA,
CASE
WHEN a.max_TEA_FimTarefa IS NULL THEN a.max_TEA_InicioTarefa
ELSE a.max_TEA_FimTarefa
END AS DATA_INICIO_TERMINO,
ROW_NUMBER() OVER (PARTITION BY ATC.ATC_Sigla, a.SRV_Id ORDER BY TEA_FimTarefa DESC) AS seqnum
FROM dbo.Tarefa AS t
INNER JOIN (
SELECT
MAX(dbo.TarefaEtapaAreaTecnica.TEA_InicioTarefa) AS max_TEA_InicioTarefa,
MAX (dbo.TarefaEtapaAreaTecnica.TEA_FimTarefa) AS max_TEA_FimTarefa,
dbo.Pessoa.PFJ_Descri AS analista, dbo.AreaTecnica.ATC_Id, dbo.Tarefa.SRV_Id
FROM dbo.TarefaEtapaAreaTecnica
LEFT JOIN dbo.Tarefa ON dbo.TarefaEtapaAreaTecnica.TRF_Id = dbo.Tarefa.TRF_Id
LEFT JOIN dbo.AreaTecnica ON dbo.TarefaEtapaAreaTecnica.ATC_Id = dbo.AreaTecnica.ATC_Id
LEFT JOIN dbo.ServicoAreaTecnica ON dbo.TarefaEtapaAreaTecnica.ATC_Id = dbo.ServicoAreaTecnica.ATC_Id
AND dbo.Tarefa.SRV_Id = dbo.ServicoAreaTecnica.SRV_Id
INNER JOIN dbo.Pessoa ON dbo.Pessoa.PFJ_Id = dbo.ServicoAreaTecnica.PFJ_Id_Analista
GROUP BY dbo.AreaTecnica.ATC_Id, dbo.Tarefa.SRV_Id, dbo.Pessoa.PFJ_Descri
) AS a ON t.SRV_Id = a.SRV_Id
INNER JOIN dbo.TarefaEtapaAreaTecnica AS TarefaEtapaAreaTecnica_1 ON
t.TRF_Id = TarefaEtapaAreaTecnica_1.TRF_Id
AND a.ATC_Id = TarefaEtapaAreaTecnica_1.ATC_Id
AND a.max_TEA_InicioTarefa = TarefaEtapaAreaTecnica_1.TEA_InicioTarefa
LEFT JOIN AreaTecnica ATC ON TarefaEtapaAreaTecnica_1.ATC_Id = ATC.ATC_Id
LEFT JOIN Etapa ETS ON TarefaEtapaAreaTecnica_1.ETS_Id = ETS.ETS_Id
LEFT JOIN ParecerTipo PAT ON TarefaEtapaAreaTecnica_1.PAT_Id = PAT.PAT_Id
LEFT OUTER JOIN dbo.Servico ON a.SRV_Id = dbo.Servico.SRV_Id
INNER JOIN dbo.Intervencao ON dbo.Servico.INT_Id = dbo.Intervencao.INT_Id
LEFT JOIN dbo.Assunto ON dbo.Servico.SNT_Id = dbo.Assunto.SNT_Id
) t
The result is following:
It works good, the problem is that I was asked that if when a row is not present on this query, it must contain values from another table (ServicoAreaTecnica), so I got this query for the other table based on crucial information of the first query. So if I UNION ALL I get this:
Query1 +
UNION ALL
SELECT INN.INT_Processo,
PES.PFJ_Descri,
NULL, --ETS.ETS_Sigla,
ART.ATC_Sigla,
NULL ,--PAT.PAT_Sigla,
ASS.SNT_Peso,
NULL, --PESOAREA
NULL, --DATA_INICIO_TERMINO
NULL --seqnum
FROM dbo.ServicoAreaTecnica AS SAT
INNER JOIN dbo.AreaTecnica AS ART ON ART.ATC_Id = SAT.ATC_Id
INNER JOIN dbo.Servico AS SER ON SER.SRV_Id = SAT.SRV_Id
INNER JOIN dbo.Assunto AS ASS ON ASS.SNT_Id = SER.SNT_Id
INNER JOIN dbo.Intervencao AS INN ON INN.INT_Id = SER.INT_Id
INNER JOIN dbo.Pessoa AS PES ON PES.PFJ_Id = SAT.PFJ_Id_Analista
The result is following:
So what I want to do is to remove row number 1 because row number 2 exists on the first query, I think I got it explained better this time. The result should be only row number 1, row number 2 would appear only if query 1 doesn't retrieve a row for that particular INN.INT_Processo.
Thanks!
Ok, there are two ways to reduce your record set. Given that you've already written the code to produce the table with the extra rows, it might be easiest to just add code to reduce that:
Select * from
(Select *
, Row_Number() over
(partition by IntProcesso, Analista order by ISNULL(seqnum, 0) desc) as RN
from MyResults) a
where RN = 1
This will assign row_number 1 to any rows that came from your first query, or to any rows from the second query that do not have matches in the first query, then filter out extra rows.
You could also use outer joins with isnull or coalesce, as others have suggested. Something like this:
Select ISNULL(a.IntProcesso, b.IntProcesso) as IntProcesso
, ISNULL(a.Analista, b.Analista) as Analista
, ISNULL(a.ETSsigla, b.ETSsigla) as ETSsigla
[repeat for the rest of your columns]
from Table1 a
full outer join Table2 b
on a.IntProcesso = b.IntProcesso and a.Analista = b.Analista
Your code is hard to read, because of the lengthy names of everything (and to be honest, the fact that they're in a language I don't speak also makes it a lot harder).
But how about: replacing your INNER JOINs with LEFT JOINs, adding more LEFT JOINs to draw in the alternative tables, and introducing ISNULL clauses for each variable you want in the results?
If you do something like ... Query1 Right Join Query2 On ... that should get only the rows in Query2 that don't appear in Query 1.
Is it possible to do the following:
IF [a] = 1234 THEN JOIN ON TableA
ELSE JOIN ON TableB
If so, what is the correct syntax?
I think what you are asking for will work by joining the Initial table to both Option_A and Option_B using LEFT JOIN, which will produce something like this:
Initial LEFT JOIN Option_A LEFT JOIN NULL
OR
Initial LEFT JOIN NULL LEFT JOIN Option_B
Example code:
SELECT i.*, COALESCE(a.id, b.id) as Option_Id, COALESCE(a.name, b.name) as Option_Name
FROM Initial_Table i
LEFT JOIN Option_A_Table a ON a.initial_id = i.id AND i.special_value = 1234
LEFT JOIN Option_B_Table b ON b.initial_id = i.id AND i.special_value <> 1234
Once you have done this, you 'ignore' the set of NULLS. The additional trick here is in the SELECT line, where you need to decide what to do with the NULL fields. If the Option_A and Option_B tables are similar, then you can use the COALESCE function to return the first NON NULL value (as per the example).
The other option is that you will simply have to list the Option_A fields and the Option_B fields, and let whatever is using the ResultSet to handle determining which fields to use.
This is just to add the point that query can be constructed dynamically based on conditions.
An example is given below.
DECLARE #a INT = 1235
DECLARE #sql VARCHAR(MAX) = 'SELECT * FROM [sourceTable] S JOIN ' + IIF(#a = 1234,'[TableA] A ON A.col = S.col','[TableB] B ON B.col = S.col')
EXEC(#sql)
--Query will be
/*
SELECT * FROM [sourceTable] S JOIN [TableB] B ON B.col = S.col
*/
You can solve this with union
select a, b
from tablea
join tableb on tablea.a = tableb.a
where b = 1234
union
select a, b
from tablea
join tablec on tablec.a = tableb.a
where b <> 1234
I disagree with the solution suggesting 2 left joins. I think a table-valued function is more appropriate so you don't have all the coalescing and additional joins for each condition you would have.
CREATE FUNCTION f_GetData (
#Logic VARCHAR(50)
) RETURNS #Results TABLE (
Content VARCHAR(100)
) AS
BEGIN
IF #Logic = '1234'
INSERT #Results
SELECT Content
FROM Table_1
ELSE
INSERT #Results
SELECT Content
FROM Table_2
RETURN
END
GO
SELECT *
FROM InputTable
CROSS APPLY f_GetData(InputTable.Logic) T
I think it will be better to think about your query in a different way and treat them more like sets.
I do believe if you make two separate queries then join them using UNION, It will be much better in performance and more readable.
I have a general query that looks like this:
SELECT DISTINCT pb.id, pb.last, pb.first, pb.middle, pb.sex, pb.phone, pb.type,
specialties = substring(
SELECT ('|' + cs.specialty )
FROM CertSpecialty AS cs
INNER JOIN CertSpecialtyIndex AS csi on cs.specialty = csi.specialty
WHERE cs.id = pb.id
ORDER BY cs.sequence_no
FOR XML path(''),2,500)
FROM table AS pb
WHERE etc etc etc
The issue is this:
The "type" column that I'm selecting is an integer - types 1-4.
In the subquery, see where I am querying from the table CertSpecialty right now.
What I actually need to do is, if the type field comes back as a 1 or a 3, that's the table I need to query. But if the row's result is a type 2 or 4 (i.e., an ELSE), I need to be querying the same column in the table CertSpecialtyOther.
So it'd need to look something like this (though this obv doesn't work):
SELECT DISTINCT pb.id, pb.last, pb.first, pb.middle, pb.sex, pb.phone, pb.type,
specialties =
IF type in (1,3)
substring((SELECT ('|' + cs.specialty )
FROM CertSpecialty AS cs
INNER JOIN CertSpecialtyIndex AS csi on cs.specialty = csi.specialty
WHERE cs.id = pb.id
ORDER BY cs.sequence_no
FOR XML path(''),2,500)
ELSE
substring((SELECT ('|' + cs.specialty )
FROM CertSpecialtyOther AS cs
INNER JOIN CertSpecialtyIndex AS csi on cs.specialty = csi.specialty
WHERE cs.id = pb.id
ORDER BY cs.sequence_no
FOR XML path(''),2,500)
end
FROM table AS pb
WHERE etc etc etc
Is this possible? If so, what is the correct syntax? Is there a simpler way to write it where I'm switching which table I query without completely duplicating the subquery?
Also, does anyone have a good resource they could link me for this sort of thing to learn more besides?
Thanks in advance.
Use a CTE.
;WITH cs AS
(
SELECT 'A' SpecialtyCategory, phy_key, specialty
FROM CertSpecialty
UNION ALL
SELECT 'B' SpecialtyCategory, phy_key, specialty
FROM CertSpecialtyOther
)
SELECT csi.id, cs.specialty
FROM cs
INNER JOIN CertSpecialtyIndex AS csi on cs.specialty = csi.specialty
WHERE cs.phy_key = pb.phy_key
AND cs.SpecialtyCategory = (CASE WHEN type in (1,3) THEN 'A' ELSE 'B' END)