I can't pass empty string as column of Table Valued Parameter.
Hello.
I have stored procedure which accept TVP with columns of 'sql_variant' type. And I have C++ application which call this stored procedure.
When i pass some non-empty string as sql_variant from my application - all works fine.
But when I need to pass empty string ("") as sql_variant - I get following error:
"OLEDB hr = 0x80040e14
#0: OLEDB provider error 3621 "The statement has been terminated."
#1: OLEDB provider error 8062 "The data for the table-valued parameter 1 doesn't conform to the table type of the parameter."
#2: OLEDB provider error 8046 "The incoming tabular data stream (TDS) remote procedure call (RPC) protocol stream is incorrect. Table-valued parameter 0 (""), row 1, column 1: The supplied length is not valid for data type sql_variant.
Check the source data for invalid lengths. An example of an invalid length is data of nchar type with an odd length in bytes."
Could you please help me deal with that issue?
Thanks,
Vitaliy
Dear Vitaliy,
Thank you for your question.
Based on my understanding of your question, the issue is related with passing SQL_VARIANT data type in C++ application using Microsoft OLE DB Provider.
As we can see from http://msdn.microsoft.com/en-us/library/ms173829(v=sql.100).aspx:
ODBC does not fully support sql_variant. Therefore, queries of sql_variant columns are returned as binary data when you use Microsoft OLE DB Provider for ODBC (MSDASQL). For example, a sql_variant column that contains the character string data 'PS2091'
is returned as 0x505332303931.
According to above statement, as you are using OLEDB provider for ODBC with sql_variant in your application, it is not fully support. Seems there are some conversion failure within the Stored Procedure calling. You may consider to adjust your application
slightly to use other commonly supported data types which also fits your application requirements.
I listed some more information regarding sql_variant below for your reference:
A column of type sql_variant may contain rows of different data types such as int, binary and char values.
A sql_variant data type must first be cast to its base data type value
before participating in operations such as addition and subtraction. You can find the conversion details in "Comparings sql_variant Values" part.
Below types of values cannot be stored by using sql_variant:
varchar(max)
varbinary(max)
nvarchar(max)
xml
text
ntext
image
timestamp
sql_variant
geography
hierarchyid
geometry
User-defined types
Hope it will be helpful.
Thank you!
Best Regards,
SQL Team - MSFT
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3446f49c-f2d2-d0a2-89f4-59dee19b2f45
The very first message states that it is unable to add join related fields, what could be the possible cause of this? As you can see rather than specifying a date range which I know contains less than 5000 items, even filtering based on ID gives the
same result. -
How Can i Store photo (image) in column of table
Dear Experts,
I need to store a employee photo in column so how can i do tha same.This assumes that the images in question currently reside on the database server. If you want to upload images into the database from a client machine, you will need an extra step where you move the files to the appropriate directory or directories on the server. This example will store the images in a BLOB column, rather than a much more flexible interMedia ORDImage column. A BLOB column is fine if you only want to store and retrieve the image, but interMedia gives you significantly more flexibility to manipulate the image, extract metadata, etc.
Create the directory
First, you will want to tell Oracle where it can find the images you want to insert into the database. The easiest way to do this is to create a directory object. In this case, I will be loading images from 'c:\temp\img\'.
CREATE DIRECTORY images AS 'c:\temp\img\'
If you don't have the CREATE DIRECTORY privilege, you will need to have someone else, like your DBA, create the directory and grant you READ access to it.
GRANT READ ON DIRECTORY images TO scott;
Create the Table to Hold the Images
CREATE TABLE images (
image_name VARCHAR2( 100 ),
mime_type VARCHAR2( 100 ),
content BLOB
Create a Stored Procedure to Load the Image
CREATE OR REPLACE PROCEDURE load_image( file_name VARCHAR2 )
AS
file_lob BFILE;
binary_lob BLOB;
mime_type images.mime_type%type;
extension_pos NUMBER;
BEGIN
-- Use the extension of the file name to determing the MIME-type
-- The MIME-type for a .JPG file will be image/jpg
extension_pos := INSTR( file_name, '.' );
mime_type := 'image/' || SUBSTR( file_name,
extension_pos + 1,
LENGTH( file_name ) );
-- Insert a new row into the images table. Get the LOB locator
-- for the newly inserted row-- we will be using that to insert
-- the content from the file.
INSERT INTO IMAGES( image_name, mime_type, content )
VALUES( file_name, mime_type, empty_blob() )
RETURNING content INTO binary_lob;
-- Open up the file in the IMAGES directory named file_name,
-- load that file into the newly created LOB locator, and
-- close the file
file_lob := BFILENAME( 'IMAGES', file_name );
dbms_lob.fileOpen ( file_lob, dbms_lob.file_readOnly );
dbms_lob.loadFromFile( binary_lob,
file_lob,
dbms_lob.getLength( file_lob ) );
dbms_lob.fileClose ( file_lob );
END;
Load the Image
scott@jcave > exec load_image( 'sample.jpg' );
PL/SQL procedure successfully completed.
scott@jcave > column image_name format a30;
scott@jcave > column mime_type format a15;
scott@jcave > column length format 999999;
scott@jcave >
1 SELECT image_name, mime_type,dbms_lob.getLength( content ) length
2 FROM images;
no rows selected
Elapsed: 00:00:00.00
scott@jcave > /
IMAGE_NAME MIME_TYPE LENGTH
sample.jpg image/jpg 9894
Regards
Lakmal -
How can I pass the gt_outtab for cl_salv_table via a form parameter?
Hello,
I have put everything displaying the alv into a form routine and want to pass the gt_outtab-table, which contains the data to be displayed, as a table parameter. Then I receice the error CX_SY_DYN_CALL_ILLEGAL_TYPE regardless if it is a typed parameter (the actual structure, table) or untyped parameter.
Does anyone have an idea, what to do? Of cause refering to a global variable will do, but the readability of the programm I want to have it as a parameter.
Thank you,
PeterHi,
you must use your table as a global object in the program. If you try to pass the values to the subroutine as a parameter with TABLES, then you´re altering the properties of the output table; that´s why you get the exception.
.... and don´t worry about the readability of your program. -
SQLLDR - how to set a default value for an empty string
I'm using SQLLDR to load data from a flat file on Oracle 10g 10.2.0.4 EE, Linux RHEL 4 update 6. Seems like my question is simple, but darned if I can't find the solution.
My source file (comma delimited extracted form a different RDBMS) has some (not all) rows where the output for a string is "", and not NULL. How do I check for empty string and add a default value in the control file? The target column is non-nullable
Here's my current control file - however, the column attributeName where sometimes the source record is "" does not get evaluated as NULL.
load data
infile 'mydata.del'
badfile 'mydata.bad'
discardfile 'mydata.dsc'
into table mydata
fields terminated by "," optionally enclosed by '"'
TRAILING NULLCOLS
(l_metadata,
company,
className,
attributeName "decode(:vc_attributeName,null, 'none')",
attributeDefault)
{code}
When I tried decode with "", I received the following error:
{code}SQL*Loader-350: Syntax error at line 11.
Expecting "," or ")", found ", 'none')".
attributeName "decode(:vc_attributeName,"", 'none')", {code}
This does not work either:
{code}
load data
infile 'mydata.del'
badfile 'mydata.bad'
discardfile 'mydata.dsc'
into table mydata
fields terminated by "," optionally enclosed by '"'
TRAILING NULLCOLS
(l_metadata,
company,
className,
attributeName NULLIF attributeName = BLANKS ,"decode(:vc_attributeName,null, 'none')",
attributeDefault) I get the following in the log:
Table COMPANYMETADATA, loaded from every logical record.
Insert option in effect for this table: INSERT
TRAILING NULLCOLS option in effect
Column Name Position Len Term Encl Datatype
L_METADATA FIRST * , O(") CHARACTER
COMPANY NEXT * , O(") CHARACTER
CLASSNAME NEXT * , O(") CHARACTER
ATTRIBUTENAME NEXT * , O(") CHARACTER
NULL if ATTRIBUTENAME = BLANKS
SQL string for column : "decode(:attributeName,null, 'none')"
ATTRIBUTEDEFAULT NEXT * , O(") CHARACTER
Record 1: Rejected - Error on table COMPANYMETADATA, column ATTRIBUTENAME.
ORA-01400: cannot insert NULL into ("SRV5"."COMPANYMETADATA"."ATTRIBUTENAME")
{code}
Any help is appreciated -
Edited by: kpw on Feb 9, 2009 11:10 AMHello,
I just loaded following data successfully in my_data table using the same control file I posted. Yes it will evaluate "" as null and replace with none, remember in control file you have this option, "optionally enclosed by '"'.
#my_data.dat
"myname1", "attribname1"
"myname2", "attribname2"
"myname3", "attribname3"
"myname4", ""
#my_data.ctl
load data
into table my_data
fields terminated by "," optionally enclosed by '"'
TRAILING NULLCOLS
my_name char(30),
vc_attributeName "decode(:vc_attributeName,null, 'none', :vc_attributeName)"
{code}
Here is the output log file
{code}
Control File: my_data.ctl
Data File: mydata.dat
Bad File: mydata.bad
Discard File: none specified
(Allow all discards)
Number to load: ALL
Number to skip: 0
Errors allowed: 50
Bind array: 64 rows, maximum of 256000 bytes
Continuation: none specified
Path used: Conventional
Table MY_DATA, loaded from every logical record.
Insert option in effect for this table: INSERT
TRAILING NULLCOLS option in effect
Column Name Position Len Term Encl Datatype
MY_NAME FIRST 30 , O(") CHARACTER
VC_ATTRIBUTENAME NEXT * , O(") CHARACTER
SQL string for column : "decode(:vc_attributeName,null, 'none', :vc_attributeName)"
Table MY_DATA:
4 Rows successfully loaded.
0 Rows not loaded due to data errors.
0 Rows not loaded because all WHEN clauses were failed.
0 Rows not loaded because all fields were null.
Space allocated for bind array: 18560 bytes(64 rows)
Read buffer bytes: 1048576
Total logical records skipped: 0
Total logical records read: 4
Total logical records rejected: 0
Total logical records discarded: 0
Run began on Mon Feb 09 18:17:35 2009
Run ended on Mon Feb 09 18:17:36 2009
Elapsed time was: 00:00:00.98
CPU time was: 00:00:00.10
{code}
Hope this helps clearing your dobuts
Regards
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