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POCompare Date with Timestamp in oracle 11g stored procedure
 

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  1. POCompare Date with Timestamp in oracle 11g stored procedure
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    <p>I'm very confused from this problem. We use Oracle DB with stored procedures, these are called from C#. </p> <p>This is problematic part of stored procedure:</p> <pre><code> IF pi_from_date IS NOT NULL THEN where_part := where_part || 'and created_on &gt;= ''' || pi_from_date || ''''; END IF; IF pi_to_date IS NOT NULL THEN where_part := where_part || 'and created_on &lt;= ''' || pi_to_date || ''''; END IF; </code></pre> <p>pi_from_date and pi_to_date are IN parameters type of DATE. credated_on is column type of TIMESTAMP. I call this procedure from C# code and use C# type DateTime for pi_to_date and pi_from_date. It isn't working. I don't get any results, but in DB are some records. I tried functions like TO_DATE, TO_CHAR, but nothing is working. Sometimes I get error: </p> <blockquote> <p>SQL Error: ORA-00904: "APR": invalid identifier</p> </blockquote> <p>Could you help me how to solve this problem, please? Thanks.</p> <p><strong>EDIT:</strong> Here is C# code:</p> <pre><code>var parameters = new OracleDynamicParameters(); parameters.Add("pi_from_date", filterData.From); //DateTime.Now.AddMonths(-1); parameters.Add("pi_to_date", filterData.To); //DateTime.Now.AddMonths(1); var payments = conn.Query&lt;Payment&gt;("TEST_PCG.find_proc", parameters, commandType: commandType.StoredProcedure); </code></pre> <p>In DB are records with date 1.8.2013.</p> <p>Stored procedure:</p> <pre><code>PROCEDURE find_proc ( pi_from_date IN DATE, pi_to_date IN DATE, items_ret OUT sys_refcursor) AS stmt varchar2(32767); where_part varchar2(32767); BEGIN -- select statement part stmt := 'SELECT * FROM (SELECT a.*, rownum r__ FROM (SELECT * FROM Payment WHERE 1=1 '; -- where statement part IF pi_from_date IS NOT NULL THEN where_part := where_part || 'and created_on &gt;= ''' || pi_from_date || ''''; END IF; IF pi_to_date IS NOT NULL THEN where_part := where_part || 'and created_on &lt;= ''' || pi_to_date || ''''; END IF; stmt := stmt || where_part; -- get ref cursor from query OPEN items_ret FOR stmt; END find_proc; </code></pre>
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    1. USPupino
    1. USPupino
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    1. COYou should be using properly typed, parameratized variables instead of passing dates as strings, or dynamically creating the SQL statement by building strings. Please show the C# portion of your code. Please also show the rest of the sproc - at least so we can see how the entire statement is built and executed.
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      1. POCompare Date with Timestamp in oracle 11g stored procedure
      1. USMatt Johnson
    2. COPlease show your C# call setup to this procedure, and the procedure declaration.
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      1. POCompare Date with Timestamp in oracle 11g stored procedure
      1. USOldProgrammer
 

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