问题
How can I join these 2 SQL statements? I want the columns of the first and the columns of the second to appear together as one SQL query.
SELECT
E.tbl1_ORG AS Organización, E.tbl1_CODE AS [Orden de Trabajo],
E.tbl1_OBJECT AS Equipo, O.tbl3_POSITION AS Posicion,
E.tbl1_JOBTYPE AS [Tipo de Trabajo],
E.tbl1_DESC AS [Descripcion OT], E.tbl1_WORKADDRESS AS Comentarios,
E.tbl1_REQM AS Error, B.tbl2_PERSON AS Trabajador,
B.tbl2_ENTERED AS Fecha, B.tbl2_HOURS AS Horas
FROM
dbo.table1 AS E
INNER JOIN
dbo.table2 AS B ON E.tbl1_CODE = B.tbl2_EVENT
INNER JOIN
dbo.table3 AS O ON O.tbl3_CODE = E.tbl1_OBJECT
WHERE
E.tbl1_JOBTYPE IN ('PM', 'CM', 'PMM') and
E.tbl1_ORG = #PROMPT('Organización')# and
B.tbl2_ENTERED between #PROMPT('Fecha_Inicio')# and #PROMPT('Fecha_Final')# and
(E.tbl1_REQM = #PROMPT('Error')# OR #PROMPT('Error')# = '%') and
(E.tbl1_OBJECT = #PROMPT('Equipo')# OR #PROMPT('Equipo')# = '%') and
(O.tbl3_POSITION = #PROMPT('Posicion')# OR #PROMPT('Posicion')# = '%')
And:
SELECT
tbl2_event 'Orden de Trabajo',
STUFF((SELECT ', ' + CAST(tbl2_person AS VARCHAR(100)) [text()]
FROM table2
WHERE tbl2_event = t.tbl2_event
FOR XML PATH(''), TYPE).value('.','NVARCHAR(MAX)'),1,1,' ') Empleados,
STUFF((SELECT ', ' + CAST(tbl2_hours AS VARCHAR(100)) [text()]
FROM table2
WHERE tbl2_event = t.tbl2_event
FOR XML PATH(''), TYPE).value('.','NVARCHAR(MAX)'), 1, 1, ' ') Horas
FROM table2 t
GROUP BY tbl2_event
Both work perfectly on their own, but I don't know how to merge them.
回答1:
Add ROW_NUMBER
to each query and then FULL JOIN
them together. You'll need to decide on the ordering of rows in each query.
WITH
CTE1
AS
(
SELECT
ROW_NUMBER() OVER (ORDER BY ...) AS rn,
E.tbl1_ORG AS Organización, E.tbl1_CODE AS [Orden de Trabajo],
E.tbl1_OBJECT AS Equipo, O.tbl3_POSITION AS Posicion,
E.tbl1_JOBTYPE AS [Tipo de Trabajo],
E.tbl1_DESC AS [Descripcion OT], E.tbl1_WORKADDRESS AS Comentarios,
E.tbl1_REQM AS Error, B.tbl2_PERSON AS Trabajador,
B.tbl2_ENTERED AS Fecha, B.tbl2_HOURS AS Horas
FROM
dbo.table1 AS E
INNER JOIN
dbo.table2 AS B ON E.tbl1_CODE = B.tbl2_EVENT
INNER JOIN
dbo.table3 AS O ON O.tbl3_CODE = E.tbl1_OBJECT
WHERE
E.tbl1_JOBTYPE IN ('PM', 'CM', 'PMM') and
E.tbl1_ORG = #PROMPT('Organización')# and
B.tbl2_ENTERED between #PROMPT('Fecha_Inicio')# and #PROMPT('Fecha_Final')# and
(E.tbl1_REQM = #PROMPT('Error')# OR #PROMPT('Error')# = '%') and
(E.tbl1_OBJECT = #PROMPT('Equipo')# OR #PROMPT('Equipo')# = '%') and
(O.tbl3_POSITION = #PROMPT('Posicion')# OR #PROMPT('Posicion')# = '%')
)
,CTE2
AS
(
SELECT
ROW_NUMBER() OVER (ORDER BY ...) AS rn,
tbl2_event 'Orden de Trabajo',
STUFF((SELECT ', ' + CAST(tbl2_person AS VARCHAR(100)) [text()]
FROM table2
WHERE tbl2_event = t.tbl2_event
FOR XML PATH(''), TYPE).value('.','NVARCHAR(MAX)'),1,1,' ') Empleados,
STUFF((SELECT ', ' + CAST(tbl2_hours AS VARCHAR(100)) [text()]
FROM table2
WHERE tbl2_event = t.tbl2_event
FOR XML PATH(''), TYPE).value('.','NVARCHAR(MAX)'), 1, 1, ' ') Horas
FROM table2 t
GROUP BY tbl2_event
)
SELECT ...
FROM
CTE1 FULL JOIN CTE2 ON CTE1.rn = CTE2.rn
ORDER BY ...
;
If you have more than 2-3 tables to join like this FULL JOIN
would quickly become ugly and slow. Have a look at my answer for a similar question for alternative solution: best way to "glue" columns together
来源:https://stackoverflow.com/questions/32628585/how-to-merge-two-queries-into-one