请考虑以下表格
Id，CorrId，FlowId，FlowName，AppId，ReqTimestamp，源，目标，步骤，CustomField
Id，网址，方法，标头，MsgBlob，CreatedDatetime
Id，CorrId，LinkedCorId
CREATE TABLE [dbo].[LOG](
[ID] [uniqueidentifier] NOT NULL,
[CORRELATION_ID] [uniqueidentifier] NULL,
[ERROR_CODE] [nvarchar](15) NULL,
[FLOW_ID] [nvarchar](10) NOT NULL,
[APPLICATION_ID] [nvarchar](35) NOT NULL,
[LOG_LEVEL] [nvarchar](35) NOT NULL,
[LOG_TIMESTAMP] [datetime] NOT NULL,
[EVENT_ID] [uniqueidentifier] NOT NULL,
[FLOW_NAME] [nvarchar](50) NOT NULL,
[PROCESS] [nvarchar](256) NOT NULL,
[REQUEST_TIMESTAMP] [datetime] NOT NULL,
[SOURCE] [nvarchar](256) NOT NULL,
[TARGET] [nvarchar](256) NOT NULL,
[STEP] [nvarchar](50) NOT NULL,
[DESCRIPTION] [nvarchar](max) NULL,
[LOG_SEQUENCE] [int] NOT NULL,
[CREATED_DATETIME] [datetime] NOT NULL,
[CUSTOM_FIELD] [nvarchar](60) NULL)
CREATE TABLE [dbo].[MESSAGE](
[ID] [uniqueidentifier] NOT NULL,
[URL] [nvarchar](256) NULL,
[METHOD] [nvarchar](35) NULL,
[MSGBLOB] [varchar](max) NULL,
[HEADERS] [nvarchar](max) NULL,
[CREATED_DATETIME] [datetime] NOT NULL)
CREATE TABLE [dbo].[LOG_LOGS](
[CorrelationId] [uniqueidentifier] NOT NULL,
[LinkedCorrelationId] [uniqueidentifier] NOT NULL,
[CreatedDatetime] [datetime] NULL)
--Log
INSERT [dbo].[LOG]
([ID], [CORRELATION_ID], [ERROR_CODE], [FLOW_ID], [APPLICATION_ID], [LOG_LEVEL], [LOG_TIMESTAMP], [EVENT_ID], [FLOW_NAME], [PROCESS], [REQUEST_TIMESTAMP], [SOURCE], [TARGET], [STEP], [DESCRIPTION], [LOG_SEQUENCE], [CREATED_DATETIME], [CUSTOM_FIELD])
VALUES
('C56BBFBE-5308-4242-ACD0-383F016C0AD1', '8C519F41-1F06-41E5-9647-25554315E1C7', 'NULL', 'TRIGGER', 'appIdString', 'DEBUG', '2019-04-26 14:08:23.660', 'C0F40CA0-682C-11E9-AB6D-0298370A6804', 'trigger', 'imp-trigger', '2019-04-26 14:08:23.660', 'SomeSource', 'SomeTarget', 'START', 'Some description', '1', '2019-04-26 14:08:24.677', 'NULL');
INSERT [dbo].[LOG]
([ID], [CORRELATION_ID], [ERROR_CODE], [FLOW_ID], [APPLICATION_ID], [LOG_LEVEL], [LOG_TIMESTAMP], [EVENT_ID], [FLOW_NAME], [PROCESS], [REQUEST_TIMESTAMP], [SOURCE], [TARGET], [STEP], [DESCRIPTION], [LOG_SEQUENCE], [CREATED_DATETIME], [CUSTOM_FIELD])
VALUES
('273F4E0A-CA7A-40B5-AF54-F2A53A776541', '8C519F41-1F06-41E5-9647-25554315E1C7', 'NULL', 'TRIGGER', 'appIdString', 'DEBUG', '2019-04-26 14:08:25.693', 'C0F40CA0-682C-11E9-AB6D-0298370A6804', 'trigger-melto', 'imp-trigger', '2019-04-26 14:08:23.660', 'SomeSource', 'SomeTarget', 'OUTBOUND', 'Some description', '4', '2019-04-26 14:08:29.110', 'NULL');
INSERT [dbo].[LOG]
([ID], [CORRELATION_ID], [ERROR_CODE], [FLOW_ID], [APPLICATION_ID], [LOG_LEVEL], [LOG_TIMESTAMP], [EVENT_ID], [FLOW_NAME], [PROCESS], [REQUEST_TIMESTAMP], [SOURCE], [TARGET], [STEP], [DESCRIPTION], [LOG_SEQUENCE], [CREATED_DATETIME], [CUSTOM_FIELD])
VALUES
('7AF12EBE-93AC-443F-82CD-9079C2851C9E', '8C519F41-1F06-41E5-9647-25554315E1C7', 'NULL', 'TRIGGER', 'appIdString', 'DEBUG', '2019-04-26 14:08:25.690', 'C0F40CA0-682C-11E9-AB6D-0298370A6804', 'trigger-melto', 'imp-trigger', '2019-04-26 14:08:23.660', 'SomeSource', 'SomeTarget', 'INBOUND', 'Some description', '3', '2019-04-26 14:08:29.270', 'NULL');
INSERT [dbo].[LOG]
([ID], [CORRELATION_ID], [ERROR_CODE], [FLOW_ID], [APPLICATION_ID], [LOG_LEVEL], [LOG_TIMESTAMP], [EVENT_ID], [FLOW_NAME], [PROCESS], [REQUEST_TIMESTAMP], [SOURCE], [TARGET], [STEP], [DESCRIPTION], [LOG_SEQUENCE], [CREATED_DATETIME], [CUSTOM_FIELD])
VALUES
('E0F5018E-8876-4929-828B-E1DB26CF7F30', '8C519F41-1F06-41E5-9647-25554315E1C7', 'NULL', 'TRIGGER', 'appIdString', 'DEBUG', '2019-04-26 14:08:25.477', 'C0F40CA0-682C-11E9-AB6D-0298370A6804', 'trigger-melto', 'imp-trigger', '2019-04-26 14:08:23.660', 'SomeSource', 'SomeTarget', 'OUTBOUND', 'Some description', '2', '2019-04-26 14:08:29.447', 'NULL');
INSERT [dbo].[LOG]
([ID], [CORRELATION_ID], [ERROR_CODE], [FLOW_ID], [APPLICATION_ID], [LOG_LEVEL], [LOG_TIMESTAMP], [EVENT_ID], [FLOW_NAME], [PROCESS], [REQUEST_TIMESTAMP], [SOURCE], [TARGET], [STEP], [DESCRIPTION], [LOG_SEQUENCE], [CREATED_DATETIME], [CUSTOM_FIELD])
VALUES
('8B7A0A86-14D8-4E72-8047-21A73ECF6157', '8C519F41-1F06-41E5-9647-25554315E1C7', '504', 'TRIGGER', 'appIdString', 'DEBUG', '2019-04-26 14:08:35.833', 'C0F40CA0-682C-11E9-AB6D-0298370A6804', 'trigger-melto', 'imp-trigger', '2019-04-26 14:08:23.660', 'SomeSource', 'SomeTarget', 'ERROR', 'Some description', '5', '2019-04-26 14:08:37.500', 'NULL');
-- Message
INSERT INTO [dbo].[MESSAGE]
([ID] ,[URL] ,[METHOD] ,[MSGBLOB] ,[HEADERS] ,[CREATED_DATETIME])
VALUES
('C56BBFBE-5308-4242-ACD0-383F016C0AD1', 'https://localhost:1234/api/trigger', 'POST', 'U29tZSBtZXNzYWdlIGJsb2IgdG8gZGVjb2Rl', '{"Content-Type":"application/xml"}', '2019-04-26 14:08:25.577');
INSERT INTO [dbo].[MESSAGE]
([ID] ,[URL] ,[METHOD] ,[MSGBLOB] ,[HEADERS] ,[CREATED_DATETIME])
VALUES
('273F4E0A-CA7A-40B5-AF54-F2A53A776541', 'NULL', 'NULL', 'U29tZSBtZXNzYWdlIGJsb2IgdG8gZGVjb2Rl', 'null', '2019-04-26 14:08:29.813');
INSERT INTO [dbo].[MESSAGE]
([ID] ,[URL] ,[METHOD] ,[MSGBLOB] ,[HEADERS] ,[CREATED_DATETIME])
VALUES
('E0F5018E-8876-4929-828B-E1DB26CF7F30', 'NULL', 'NULL', 'U29tZSBtZXNzYWdlIGJsb2IgdG8gZGVjb2Rl', 'null', '2019-04-26 14:08:29.613');
INSERT INTO [dbo].[MESSAGE]
([ID] ,[URL] ,[METHOD] ,[MSGBLOB] ,[HEADERS] ,[CREATED_DATETIME])
VALUES
('8B7A0A86-14D8-4E72-8047-21A73ECF6157', 'NULL', 'NULL', 'U29tZSBtZXNzYWdlIGJsb2IgdG8gZGVjb2Rl', 'null', '2019-04-26 14:08:37.817');
-- Log_Logs
INSERT [dbo].[LOG_LOGS]
([CorrelationId], [LinkedCorrelationId], [CreatedDatetime])
VALUES
('8C519F41-1F06-41E5-9647-25554315E1C7', '972039B5-346B-4BC8-AE9B-2A45D51DA310', '2019-06-19 10:54:33.023');
INSERT [dbo].[LOG_LOGS]
([CorrelationId], [LinkedCorrelationId], [CreatedDatetime])
VALUES
('8C519F41-1F06-41E5-9647-25554315E1C7', '972039B5-346B-4BC8-AE9B-2A45D51DA310', '2019-06-19 10:54:33.023');
INSERT [dbo].[LOG_LOGS]
([CorrelationId], [LinkedCorrelationId], [CreatedDatetime])
VALUES
('8C519F41-1F06-41E5-9647-25554315E1C7', '972039B5-346B-4BC8-AE9B-2A45D51DA310', '2019-06-19 10:54:33.023');
INSERT [dbo].[LOG_LOGS]
([CorrelationId], [LinkedCorrelationId], [CreatedDatetime])
VALUES
('8C519F41-1F06-41E5-9647-25554315E1C7', '972039B5-346B-4BC8-AE9B-2A45D51DA310', '2019-06-19 10:54:33.023');
INSERT [dbo].[LOG_LOGS]
([CorrelationId], [LinkedCorrelationId], [CreatedDatetime])
VALUES
('8C519F41-1F06-41E5-9647-25554315E1C7', '972039B5-346B-4BC8-AE9B-2A45D51DA310', '2019-06-19 10:54:33.023');
这是我到目前为止所拥有的。
CREATE PROCEDURE [dbo].[sp_SearchFlowCorrelationIds]
@FlowIdList AS dbo.FlowIdList READONLY,
@CorrelationIdList AS dbo.CorrelationIdList READONLY,
@FlowName nvarchar(50) = null,
@Source nvarchar(256) = null,
@Target nvarchar(256) = null,
@ApplicationId nvarchar(35) = null,
@CustomField nvarchar(60) = null,
@Step nvarchar(50) = null,
@DateFrom datetime = null,
@DateTo datetime = null,
@SortField nvarchar(50) = 'RequestTimestamp',
@SortOrder nvarchar(4) = null,
@Take int = 10,
@Skip int = 0
AS
SET NOCOUNT ON
DECLARE @DateBoundaryFrom int = 1;
DECLARE @DateBoundaryTo int = 13;
SELECT result.CORRELATION_ID as CorrelationId
, result.REQUEST_TIMESTAMP as RequestTimestamp
, result.FLOW_NAME as FlowName
, result.SOURCE as Source
, result.TARGET as Target
, result.CanResubmit
, result.HasError
, result.HasEnd
, result.LinkedCorrelationId as LinkedCorrelationId
FROM
(SELECT lastLogged.CORRELATION_ID
, lastLogged.REQUEST_TIMESTAMP
, lastLogged.SOURCE
, lastLogged.TARGET
, lastLogged.FLOW_NAME
, l2.CanResubmit as CanResubmit
, l2.HasError as HasError
, l2.HasEnd as HasEnd
, ll.LinkedCorrelationId
, ROW_NUMBER() OVER (PARTITION BY lastLogged.CORRELATION_ID ORDER BY lastLogged.LOG_TIMESTAMP DESC) as dest_rank
FROM LOG as lastLogged
INNER JOIN (
select CORRELATION_ID
, SUM(case when l.STEP = 'START' and DATALENGTH(m.MSGBLOB) > 0 then 1 else 0 end) as CanResubmit
, SUM(case when l.STEP = 'ERROR' then 1 else 0 end) as HasError
, SUM(case when l.STEP = 'END' then 1 else 0 end) as HasEnd
from LOG l
left join MESSAGE m on l.ID = m.ID
Where l.CREATED_DATETIME >= ISNULL(DATEADD(DAY, -@DateBoundaryFrom, @DateFrom), l.CREATED_DATETIME)
AND l.CREATED_DATETIME <= ISNULL(DATEADD(DAY, @DateBoundaryTo, @DateTo), l.CREATED_DATETIME)
group by l.CORRELATION_ID
) as l2 on lastLogged.CORRELATION_ID = l2.CORRELATION_ID
LEFT JOIN LOG_LOGS ll on lastLogged.CORRELATION_ID = ll.CorrelationId
WHERE
lastLogged.CREATED_DATETIME >= ISNULL(DATEADD(DAY, -@DateBoundaryFrom, @DateFrom), lastLogged.CREATED_DATETIME)
AND lastLogged.CREATED_DATETIME <= ISNULL(DATEADD(DAY, @DateBoundaryTo, @DateTo), lastLogged.CREATED_DATETIME)
AND lastLogged.REQUEST_TIMESTAMP >= ISNULL(@DateFrom, lastLogged.REQUEST_TIMESTAMP)
AND lastLogged.REQUEST_TIMESTAMP <= ISNULL(@DateTo, lastLogged.REQUEST_TIMESTAMP)
AND (lastLogged.FLOW_ID in (SELECT Flow_Id FROM @FlowIdList) OR NOT EXISTS (select 1 from @FlowIdList))
AND (lastLogged.CORRELATION_ID in (SELECT ID FROM @CorrelationIdList) OR NOT EXISTS (select 1 from @CorrelationIdList))
AND lastLogged.FLOW_NAME = ISNULL(@FlowName, lastLogged.FLOW_NAME)
AND lastLogged.SOURCE = ISNULL(@Source, lastLogged.SOURCE)
AND lastLogged.TARGET = ISNULL(@Target, lastLogged.TARGET)
AND lastLogged.APPLICATION_ID = ISNULL(@ApplicationId, lastLogged.APPLICATION_ID)
AND lastLogged.STEP = ISNULL(@Step, lastLogged.STEP)
AND (lastLogged.CUSTOM_FIELD = @CustomField OR @CustomField IS NULL)
) AS result
WHERE result.dest_rank = 1
ORDER BY
-- ASCENDING
CASE
WHEN @SortOrder <> 'ASC' then cast(null as date)
WHEN @SortField = 'RequestTimestamp' then result.REQUEST_TIMESTAMP
end ASC
, CASE
WHEN @SortOrder <> 'ASC' then cast(null as uniqueidentifier)
WHEN @SortField = 'CorrelationId' then result.CORRELATION_ID
end ASC
, CASE
WHEN @SortOrder <> 'ASC' then ''
WHEN @SortField = 'FlowName' then result.FLOW_NAME
end ASC
, CASE
WHEN @SortOrder <> 'ASC' then ''
WHEN @SortField = 'Source' then result.SOURCE
end ASC
, CASE
WHEN @SortOrder <> 'ASC' then ''
WHEN @SortField = 'Target' then result.TARGET
end ASC
-- DESCENDING
, CASE
WHEN @SortOrder <> 'DESC' then cast(null as date)
WHEN @SortField = 'RequestTimestamp' then result.REQUEST_TIMESTAMP
end DESC
, CASE
WHEN @SortOrder <> 'DESC' then cast(null as uniqueidentifier)
WHEN @SortField = 'CorrelationId' then result.CORRELATION_ID
end DESC
, CASE
WHEN @SortOrder <> 'DESC' then ''
WHEN @SortField = 'FlowName' then result.FLOW_NAME
end DESC
, CASE
WHEN @SortOrder <> 'DESC' then ''
WHEN @SortField = 'Source' then result.SOURCE
end DESC
, CASE
WHEN @SortOrder <> 'DESC' then ''
WHEN @SortField = 'Target' then result.TARGET
end DESC
OFFSET @skip ROWS FETCH NEXT @take ROWS ONLY
现在的问题是，如何根据以下条件在其中获取FlowName：
（如果有任何性能改进的提示，那么它们总是很受欢迎的，因为这对7ml记录大约需要8秒钟或更长时间）