<%@LANGUAGE="VBSCRIPT"%>
<%
'=====================================================
' sdk_names_json.asp
' Ajax support for table of SDK names
' Designed to be driven by the jquery tablescroller
'=====================================================
%>
<%
Option explicit
' Essential to get UTF through all the hoops. ie: VÄSTTRAFIK (VTK)
Response.ContentType = "text/html"
Response.AddHeader "Content-Type", "text/html;charset=UTF-8"
Response.CodePage = 65001
Response.CharSet = "UTF-8"
%>
<%
'------------ Variable Definition -------------
Dim result : result = -1
Dim SqlQry
Dim rsQry
' Init the output JSON class
' Operations can add data
' Default data will be added at the end
Dim oJSON :Set oJSON = New aspJSON
Dim newitem
'
' Determine the size of the record set
' Gives bad results when searching
Dim MaxCount : MaxCount = 0
SqlQry = "select count(*) as count from SDK_NAMES skn"
On Error Resume Next
objEH.ErrorRedirect = FALSE
objEH.TryORA ( OraSession )
Set rsQry = OraDatabase.DbCreateDynaset( SqlQry, ORADYN_DEFAULT )
objEH.CatchORA ( OraSession )
If ((NOT rsQry.BOF) AND (NOT rsQry.EOF)) Then
MaxCount = rsQry("COUNT")
End If
rsQry.Close
Set rsQry = Nothing
' Basic Header
' iTotalRecords = total records without any filtering/limits
' iTotalDisplayRecords = filtered result count
oJSON.data("draw") = CInt(Request.QueryString("draw"))
oJSON.data("recordsTotal") = MaxCount
oJSON.data("recordsFiltered") = MaxCount
' Assist in debug
oJSON.data("iReqStart") = CInt(Request.QueryString("start"))
oJSON.data("iReqLength") = CInt(Request.QueryString("length"))
Dim vName
for each vName in Request.QueryString
oJSON.data("sReq_" & vName) = Request.QueryString(vName)
next
' Extract selected range
result = 0
dim firstRow,lastRow
firstRow = CInt(Request.QueryString("start"))
lastRow = firstRow + CInt(Request.QueryString("length"))
' Define the data items to extract from the database
' An array of items to extract
'
Dim dataCols: dataCols = Array ( _
"skn.sdk_id", _
"skn.sdk_name", _
"skn.sdk_comment",_
"p.proj_name",_
"v.view_name", _
"p.proj_id" _
)
' Define array of colums to sort by
' Must match user sort column request
Dim sortCols: sortCols = Array ( _
"skn.sdk_id",_
"UPPER(skn.sdk_name)",_
"UPPER(skn.sdk_comment)",_
"UPPER(p.proj_name)",_
"UPPER(v.view_name)" )
' Dim determine sorting options
'On Error goto 0
'Response.Write ""
Dim sortString
If Request.QueryString("order[0][column]") <> "" Then
sortString = " ORDER BY " & sortCols(CInt(Request.QueryString("order[0][column]")))
sortString = sortString & " " & Request.QueryString("order[0][dir]")
Else
sortString = " ORDER BY " & sortCols(CInt(1)) & "asc"
End If
' Filter (search )
Dim searchString
If Request.QueryString("search[value]") <> "" Then
searchString = " AND upper(sdk_name) LIKE upper('%" & Request.QueryString("search[value]") & "%')"
End If
' Create a list of cols that we need. Avoids ambiguity in selections
Dim x,colList,colListJoin
For x = Lbound(dataCols) to Ubound(dataCols)
colList = colList & colListJoin & dataCols(x)
colListJoin = ","
Next
Dim whereString
whereString = " WHERE skn.view_id = v.view_id AND skn.proj_id = p.proj_id"
Dim BasicSql
BasicSql = "select " & colList &_
" from SDK_NAMES skn, VIEWS v, PROJECTS p " &_
whereString &_
searchString &_
sortString
SqlQry = "select * from ( "&_
"select a.*, ROWNUM rnum from (" & BasicSql &_
") a where ROWNUM <= " & lastRow &_
") where rnum >= " & firstRow
' Assist in debug
oJSON.data("BasicSql") = BasicSql
'oJSON.data("SqlQry") = SqlQry
' Perform the database query
Set oJSON.data("aaData") = oJSON.Collection()
On Error Resume Next
objEH.ErrorRedirect = FALSE
objEH.TryORA ( OraSession )
Set rsQry = OraDatabase.DbCreateDynaset( SqlQry, ORADYN_DEFAULT )
objEH.CatchORA ( OraSession )
' Process each row and return required fields to the user
If objEH.Finally Then
On Error goto 0
While (NOT rsQry.BOF) AND (NOT rsQry.EOF)
Set newitem = oJSON.AddToCollection(oJSON.data("aaData"))
' Attempt to speed up access tot he data
' Extract all fields for the row
' Access fields by index
Dim fields
Set fields = rsQry.Fields
Dim sdk_id : sdk_id = fields(0)
Dim sdk_name : sdk_name = fields(1)
Dim sdk_comment : sdk_comment = fields(2)
Dim proj_name : proj_name = fields(3)
Dim view_name : view_name = fields(4)
Dim proj_id : proj_id = fields(5)
Set fields = nothing
newitem(0) = sdk_id
newitem(1) = sdk_name
newitem(2) = sdk_comment
newitem(3) = proj_name
newitem(4) = view_name
newitem(5) = proj_id
rsQry.MoveNext
Wend
End IF
rsQry.Close
Set rsQry = Nothing
'
' SQL error detection and reporting
If objEH.LastOraFailed Then
oJSON.data("error") = 1
oJSON.data("emsgSummary") = objEH.MessageSummary
oJSON.data("emsgDetails") = objEH.MessageDetails
oJSON.data("SqlQry") = SqlQry
End If
'Return the object
Response.Write oJSON.JSONoutput()
Set oJSON = Nothing
Call Destroy_All_Objects
%>