init
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e124a47765
19374 changed files with 9806149 additions and 0 deletions
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IF OBJECT_ID('[fnConvertJSONToTable]') IS NOT NULL BEGIN
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DROP FUNCTION [fnConvertJSONToTable]
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END
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GO
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CREATE FUNCTION fnConvertJSONToTable (@JSON NVARCHAR(MAX))
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RETURNS @hierarchy TABLE
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(
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element_id INT IDENTITY(1, 1) NOT NULL,
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sequenceNo [int] NULL,
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parent_ID INT,
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Object_ID INT,
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NAME NVARCHAR(2000),
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StringValue NVARCHAR(MAX) NOT NULL,
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ValueType VARCHAR(10) NOT NULL
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)
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AS
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BEGIN
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DECLARE
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@FirstObject INT,
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@OpenDelimiter INT,
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@NextOpenDelimiter INT,
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@NextCloseDelimiter INT,
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@Type NVARCHAR(10),
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@NextCloseDelimiterChar CHAR(1),
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@Contents NVARCHAR(MAX),
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@Start INT,
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@end INT,
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@param INT,
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@EndOfName INT,
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@token NVARCHAR(200),
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@value NVARCHAR(MAX),
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@SequenceNo int,
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@name NVARCHAR(200),
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@parent_ID INT,
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@lenJSON INT,
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@characters NCHAR(36),
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@result BIGINT,
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@index SMALLINT,
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@Escape INT
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DECLARE @Strings TABLE
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(
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String_ID INT IDENTITY(1, 1),
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StringValue NVARCHAR(MAX)
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)
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SELECT
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@characters='0123456789abcdefghijklmnopqrstuvwxyz',
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@SequenceNo=0,
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@parent_ID=0;
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WHILE 1 = 1
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BEGIN
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SELECT
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@start=PATINDEX('%[^a-zA-Z]["]%', @json collate SQL_Latin1_General_CP850_Bin);
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IF @start=0 BREAK
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IF SUBSTRING(@json, @start+1, 1)='"'
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BEGIN --Delimited Name
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SET @start=@Start+1;
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SET @end=PATINDEX('%[^\]["]%', RIGHT(@json, LEN(@json+'|')-@start) collate SQL_Latin1_General_CP850_Bin);
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END
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IF @end=0 --no end delimiter to last string
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BREAK --no more
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SELECT @token=SUBSTRING(@json, @start+1, @end-1)
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--now put in the escaped control characters
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SELECT @token=REPLACE(@token, FROMString, TOString)
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FROM
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(SELECT
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'\"' AS FromString, '"' AS ToString
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UNION ALL SELECT '\\', '\'
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UNION ALL SELECT '\/', '/'
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UNION ALL SELECT '\b', CHAR(08)
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UNION ALL SELECT '\f', CHAR(12)
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UNION ALL SELECT '\n', CHAR(10)
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UNION ALL SELECT '\r', CHAR(13)
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UNION ALL SELECT '\t', CHAR(09)
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) substitutions
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SELECT @result=0, @escape=1
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--Begin to take out any hex escape codes
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WHILE @escape>0
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BEGIN
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SELECT @index=0,
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--find the next hex escape sequence
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@escape=PATINDEX('%\x[0-9a-f][0-9a-f][0-9a-f][0-9a-f]%', @token collate SQL_Latin1_General_CP850_Bin)
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IF @escape>0 --if there is one
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BEGIN
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WHILE @index<4 --there are always four digits to a \x sequence
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BEGIN
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SELECT --determine its value
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@result=@result+POWER(16, @index)
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*(CHARINDEX(SUBSTRING(@token, @escape+2+3-@index, 1),
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@characters)-1), @index=@index+1 ;
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END
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-- and replace the hex sequence by its unicode value
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SELECT @token=STUFF(@token, @escape, 6, NCHAR(@result))
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END
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END
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--now store the string away
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INSERT INTO @Strings (StringValue) SELECT @token
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-- and replace the string with a token
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SELECT @JSON=STUFF(@json, @start, @end+1,
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'@string'+CONVERT(NVARCHAR(5), @@identity))
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END
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-- all strings are now removed. Now we find the first leaf.
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WHILE 1=1 --forever until there is nothing more to do
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BEGIN
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SELECT @parent_ID=@parent_ID+1
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--find the first object or list by looking for the open bracket
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SELECT @FirstObject=PATINDEX('%[{[[]%', @json collate SQL_Latin1_General_CP850_Bin)--object or array
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IF @FirstObject = 0 BREAK
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IF (SUBSTRING(@json, @FirstObject, 1)='{')
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SELECT @NextCloseDelimiterChar='}', @type='object'
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ELSE
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SELECT @NextCloseDelimiterChar=']', @type='array'
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SELECT @OpenDelimiter=@firstObject
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WHILE 1=1 --find the innermost object or list...
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BEGIN
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SELECT
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@lenJSON=LEN(@JSON+'|')-1
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--find the matching close-delimiter proceeding after the open-delimiter
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SELECT
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@NextCloseDelimiter=CHARINDEX(@NextCloseDelimiterChar, @json,
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@OpenDelimiter+1)
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--is there an intervening open-delimiter of either type
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SELECT @NextOpenDelimiter=PATINDEX('%[{[[]%',
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RIGHT(@json, @lenJSON-@OpenDelimiter)collate SQL_Latin1_General_CP850_Bin)--object
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IF @NextOpenDelimiter=0
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BREAK
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SELECT @NextOpenDelimiter=@NextOpenDelimiter+@OpenDelimiter
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IF @NextCloseDelimiter<@NextOpenDelimiter
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BREAK
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IF SUBSTRING(@json, @NextOpenDelimiter, 1)='{'
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SELECT @NextCloseDelimiterChar='}', @type='object'
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ELSE
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SELECT @NextCloseDelimiterChar=']', @type='array'
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SELECT @OpenDelimiter=@NextOpenDelimiter
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END
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---and parse out the list or name/value pairs
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SELECT
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@contents=SUBSTRING(@json, @OpenDelimiter+1,
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@NextCloseDelimiter-@OpenDelimiter-1)
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SELECT
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@JSON=STUFF(@json, @OpenDelimiter,
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@NextCloseDelimiter-@OpenDelimiter+1,
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'@'+@type+CONVERT(NVARCHAR(5), @parent_ID))
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WHILE (PATINDEX('%[A-Za-z0-9@+.e]%', @contents collate SQL_Latin1_General_CP850_Bin))<>0
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BEGIN
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IF @Type='Object' --it will be a 0-n list containing a string followed by a string, number,boolean, or null
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BEGIN
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SELECT
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@SequenceNo=0,@end=CHARINDEX(':', ' '+@contents)--if there is anything, it will be a string-based name.
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SELECT @start=PATINDEX('%[^A-Za-z@][@]%', ' '+@contents collate SQL_Latin1_General_CP850_Bin)--AAAAAAAA
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SELECT @token=SUBSTRING(' '+@contents, @start+1, @End-@Start-1),
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@endofname=PATINDEX('%[0-9]%', @token collate SQL_Latin1_General_CP850_Bin),
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@param=RIGHT(@token, LEN(@token)-@endofname+1)
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SELECT
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@token=LEFT(@token, @endofname-1),
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@Contents=RIGHT(' '+@contents, LEN(' '+@contents+'|')-@end-1)
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SELECT @name=stringvalue FROM @strings
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WHERE string_id=@param --fetch the name
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END
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ELSE
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SELECT @Name=null,@SequenceNo=@SequenceNo+1
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SELECT
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@end=CHARINDEX(',', @contents)-- a string-token, object-token, list-token, number,boolean, or null
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IF @end=0
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--HR Engineering notation bugfix start
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IF ISNUMERIC(@contents) = 1
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SELECT @end = LEN(@contents)
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Else
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--HR Engineering notation bugfix end
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SELECT @end=PATINDEX('%[A-Za-z0-9@+.e][^A-Za-z0-9@+.e]%', @contents+' ' collate SQL_Latin1_General_CP850_Bin) + 1
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SELECT
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@start=PATINDEX('%[^A-Za-z0-9@+.e][A-Za-z0-9@+.e]%', ' '+@contents collate SQL_Latin1_General_CP850_Bin)
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--select @start,@end, LEN(@contents+'|'), @contents
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SELECT
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@Value=RTRIM(SUBSTRING(@contents, @start, @End-@Start)),
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@Contents=RIGHT(@contents+' ', LEN(@contents+'|')-@end)
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IF SUBSTRING(@value, 1, 7)='@object'
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, Object_ID, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, SUBSTRING(@value, 8, 5),
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SUBSTRING(@value, 8, 5), 'object'
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ELSE
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IF SUBSTRING(@value, 1, 6)='@array'
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, Object_ID, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, SUBSTRING(@value, 7, 5),
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SUBSTRING(@value, 7, 5), 'array'
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ELSE
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IF SUBSTRING(@value, 1, 7)='@string'
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, stringvalue, 'string'
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FROM @strings
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WHERE string_id=SUBSTRING(@value, 8, 5)
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ELSE
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IF @value IN ('true', 'false')
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, @value, 'boolean'
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ELSE
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IF @value='null'
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, @value, 'null'
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ELSE
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IF PATINDEX('%[^0-9]%', @value collate SQL_Latin1_General_CP850_Bin)>0
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, @value, 'real'
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ELSE
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INSERT INTO @hierarchy
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(NAME, SequenceNo, parent_ID, StringValue, ValueType)
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SELECT @name, @SequenceNo, @parent_ID, @value, 'int'
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if @Contents=' ' Select @SequenceNo=0
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END
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END
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INSERT INTO @hierarchy (NAME, SequenceNo, parent_ID, StringValue, Object_ID, ValueType)
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SELECT '-',1, NULL, '', @parent_id-1, @type
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--
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RETURN
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END
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GO
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