-
Notifications
You must be signed in to change notification settings - Fork 112
Expand file tree
/
Copy pathtSQLt.Private_CreateFakeFunction.ssp.sql
More file actions
68 lines (64 loc) · 2.56 KB
/
tSQLt.Private_CreateFakeFunction.ssp.sql
File metadata and controls
68 lines (64 loc) · 2.56 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
IF OBJECT_ID('tSQLt.Private_CreateFakeFunction') IS NOT NULL DROP PROCEDURE tSQLt.Private_CreateFakeFunction;
GO
---Build+
GO
CREATE PROCEDURE tSQLt.Private_CreateFakeFunction
@FunctionName NVARCHAR(MAX),
@FakeFunctionName NVARCHAR(MAX) = NULL,
@FunctionObjectId INT = NULL,
@FakeFunctionObjectId INT = NULL,
@IsScalarFunction BIT = NULL,
@FakeDataSource NVARCHAR(MAX) = NULL
AS
BEGIN
DECLARE @ReturnType NVARCHAR(MAX);
SELECT @ReturnType = T.TypeName
FROM sys.parameters AS P
CROSS APPLY tSQLt.Private_GetFullTypeName(P.user_type_id,P.max_length,P.precision,P.scale,NULL) AS T
WHERE P.object_id = @FunctionObjectId
AND P.parameter_id = 0;
DECLARE @ParameterList NVARCHAR(MAX);
SELECT @ParameterList = COALESCE(
STUFF((SELECT ','+P.name+' '+T.TypeName+CASE WHEN T.IsTableType = 1 THEN ' READONLY' ELSE '' END
FROM sys.parameters AS P
CROSS APPLY tSQLt.Private_GetFullTypeName(P.user_type_id,P.max_length,P.precision,P.scale,NULL) AS T
WHERE P.object_id = @FunctionObjectId
AND P.parameter_id > 0
ORDER BY P.parameter_id
FOR XML PATH(''),TYPE
).value('.','NVARCHAR(MAX)'),1,1,''),'');
DECLARE @ParameterCallList NVARCHAR(MAX);
SELECT @ParameterCallList = COALESCE(
STUFF((SELECT ','+P.name
FROM sys.parameters AS P
CROSS APPLY tSQLt.Private_GetFullTypeName(P.user_type_id,P.max_length,P.precision,P.scale,NULL) AS T
WHERE P.object_id = @FunctionObjectId
AND P.parameter_id > 0
ORDER BY P.parameter_id
FOR XML PATH(''),TYPE
).value('.','NVARCHAR(MAX)'),1,1,''),'');
IF(@IsScalarFunction = 1)
BEGIN
EXEC('CREATE FUNCTION '+@FunctionName+'('+@ParameterList+') RETURNS '+@ReturnType+' AS BEGIN RETURN '+@FakeFunctionName+'('+@ParameterCallList+');END;');
END
ELSE
BEGIN
DECLARE @cmd NVARCHAR(MAX);
IF (@FakeDataSource IS NOT NULL)
BEGIN
SET @cmd =
CASE
WHEN OBJECT_ID(@FakeDataSource) IS NOT NULL THEN 'SELECT * FROM '+@FakeDataSource
WHEN @FakeDataSource LIKE '(%)%(%)' THEN 'SELECT * FROM '+@FakeDataSource
ELSE @FakeDataSource
END;
END
ELSE
BEGIN
SET @cmd = 'SELECT * FROM '+@FakeFunctionName+'('+@ParameterCallList+')';
END;
SET @cmd = 'CREATE FUNCTION '+@FunctionName+'('+@ParameterList+') RETURNS TABLE AS RETURN '+@cmd+';'
EXEC(@cmd);
END;
END;
GO