How to define a output parameter in C# which maps to a PL/SQL table (odp)?
OracleConnection objconnection = new OracleConnection(connectionstring);
OracleCommand objcommand = objconnection.CreateCommand();
objcommand.Connection = objconnection;
objcommand.CommandText = "UBE_XSITE_PKG_V2.SP_DATAUPLOAD";
objcommand.CommandType = CommandType.StoredProcedure;
ListBox1.SelectedIndex = 0;
OracleParameter prm1 = new OracleParameter("PI_LOT", OracleDbType.Varchar2);
prm1.Direction = ParameterDirection.Input;
prm1.Value = ListBox1.SelectedValue.ToString();
objcommand.Parameters.Add(prm1);
OracleParameter prm2 = new OracleParameter("PI_WS_OP", OracleDbType.Int32);
prm2.Direction = ParameterDirection.Input;
prm2.Value = (float)Int32.Parse(TextBox3.Text);
objcommand.Parameters.Add(prm2);
OracleParameter prm3 = new OracleParameter("PI_SOURCE_SITE", OracleDbType.Varchar2);
prm3.Direction = ParameterDirection.Input;
prm3.Value = DropDownList1.SelectedValue.ToString();
objcommand.Parameters.Add(prm3);
OracleParameter prm4 = new OracleParameter("PI_WS_FLAG", OracleDbType.Varchar2);
prm4.Direction = ParameterDirection.Input;
prm4.Value = DropDownList5.SelectedValue.ToString();
objcommand.Parameters.Add(prm4);
OracleParameter prm5 = new OracleParameter("PI_WS_QTY", OracleDbType.Int32);
prm5.Direction = ParameterDirection.Input;
prm5.Value = (float)Int32.Parse(TextBox2.Text);
objcommand.Parameters.Add(prm5);
OracleParameter prm6 = new OracleParameter("PO_EXCEPTIONS", OracleDbType.Varchar2);
prm6.CollectionType = OracleCollectionType.PLSQLAssociativeArray;
prm6.Direction = ParameterDirection.Output;
prm6.IsNullable = true;
prm6.Size = 4000;
objcommand.Parameters.Add(prm6);
objconnection.Open();
objcommand.ExecuteNonQuery();
objconnection.Close();
Hi,
You'll need to provide more detail about what the plsql type is exactly.
However, you should check the ODP docs for examples, and it installs complete examples on your hard drive as well which will probably show you what you need to know.
As of 11.1.6.20, ODP.NET supports user defined types. Prior to that, it also supports Associative Arrays (Index-by tables).
Hope it helps
Greg
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Edited by: 897674 on Jan 3, 2012 10:44 AM
Edited by: 897674 on Jan 3, 2012 10:46 AM -
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/* callOracleSP */
#include <stdio.h>
#include <string.h>
#include <oci.h>
#include <stdlib.h>
char* pConnectChar ="server";
char* pUsernameChar = "user";
char* pPasswordChar = "passwd";
char* sqlCharArray1 = "BEGIN SP_GETCITIES(:s, :c); END;";
int retval;
ub4 parmcnt=0;
ub4 pos2=0;
text *pcoln[20];
ub4 namelen[20];
char state_key[5];
OCIStmt* pOciStatement;
OCIStmt* pOciStatCursor;
OCIError* pOciError;
OCIEnv* pOciEnviron;
OCIServer* pOciServer;
OCISession* pOciSession;
OCISvcCtx* pOciServiceContext;
OCIBind* pOciBind[500];
OCIParam* pOciParam;
int main()
retval = OCIEnvCreate(&pOciEnviron, OCI_DEFAULT, NULL, NULL, NULL, NULL,0,NULL);
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retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciServiceContext, OCI_HTYPE_SVCCTX, 0, NULL);
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retval = OCIStmtPrepare(pOciStatement, pOciError, (unsigned char *)sqlCharArray1,strlen(sqlCharArray1),
OCI_NTV_SYNTAX, OCI_DEFAULT);
printf("StmtPrepare retval=%d\n",retval);
retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciStatCursor, OCI_HTYPE_STMT, 0, NULL);
retval = OCIBindByPos(pOciStatement,&pOciBind[0], pOciError, (ub4) 1, (void *)&state_key,
(sb4) sizeof(state_key), SQLT_STR, (void *) 0, (ub2 *) 0, (ub2 *)0,(ub4)0, (ub4 *)0, (ub4) OCI_DEFAULT);
printf("BindByPos OCI_HTYPE_STMT retval=%d\n",retval);
retval = OCIBindByPos(pOciStatement,&pOciBind[1], pOciError, (ub4) 2, (void *)&pOciStatCursor,
(sb4) 0, SQLT_RSET, (void *) 0, (ub2 *) 0, (ub2 *)0,(ub4)0, (ub4 *)0, (ub4) OCI_DEFAULT);
printf("BindByPos OCI_HTYPE_STMT retval=%d\n",retval);
strcpy(state_key,"CA");
retval = OCIStmtExecute(pOciServiceContext, pOciStatement, pOciError, (ub4)1, (ub4) 0,
(OCISnapshot *)NULL, (OCISnapshot *)NULL, (ub4) OCI_DEFAULT);
printf("StmtExecute retval=%d\n",retval);
/* How to get the values of the cursor? */
/* Get number of parameters of the Cursor */
OCIAttrGet((void *) pOciStatCursor, (ub4)OCI_HTYPE_STMT, (void*) &parmcnt,(ub4 *) 0,
(ub4)OCI_ATTR_PARAM_COUNT, pOciError);
printf("\nNumber of parameters of the cursor = %d\n",parmcnt);
for (int pos = 1; pos <= (int)parmcnt; pos++)
OCIAttrGet((void *) pOciStatCursor, (ub4)OCI_HTYPE_STMT, (void*) &pos2,(ub4 *) 0,
(ub4)OCI_ATTR_CURRENT_POSITION, pOciError);
retval = OCIParamGet((void *)pOciStatCursor, (ub4)OCI_HTYPE_STMT, pOciError, (void **)&pOciParam,
(ub4) pos );
OCIAttrGet((void*) pOciParam, (ub4) OCI_DTYPE_PARAM,(void*) &pcoln[pos-1],(ub4 *) &namelen[pos-1],
(ub4) OCI_ATTR_NAME,(OCIError *)pOciError );
for (int i = 1; i <=(int)parmcnt; i++)
printf("Column %i\tNAME = %.*s\n",i,namelen[i-1],pcoln[i-1]);
return 0;
This is the script that create the table, insert records and create the stored procedure
CREATE TABLE CITIES (
STATE_CODE VARCHAR2(2) NULL,
CITY_CODE NUMBER(15,5) NULL,
CITY_NAME VARCHAR2(30) NULL
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('CA', 30, 'SAN DIEGO')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('CA', 40, 'SACRAMENTO')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('FL', 10, 'MIAMI')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('FL', 20, 'ORLANDO')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('NY', 10, 'NEW YORK')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('NY', 20, 'ALBANY')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('CA', 10, 'LOS ANGELES')
INSERT INTO CITIES(STATE_CODE, CITY_CODE, CITY_NAME)
VALUES('CA', 20, 'SAN FRANCISCO')
CREATE OR REPLACE PACKAGE globalPkg AUTHID CURRENT_USER AS
/* The following are T/SQL specific global variables. */
TYPE RCT1 IS REF CURSOR;/*new weak cursor definition*/
END globalPkg;
CREATE OR REPLACE PROCEDURE SP_ADDCITY(
P_STATE_CODE IN VARCHAR,
P_CITY_CODE IN NUMBER,
P_CITY_NAME IN VARCHAR2,
P_RETURN IN OUT NUMBER)
AS
StoO_error INTEGER;
StoO_selcnt INTEGER;
StoO_rowcnt INTEGER;
StoO_errmsg VARCHAR2(255);
BEGIN
StoO_rowcnt := 0;
StoO_error := 0;
StoO_selcnt := 0;
P_RETURN := 0;
INSERT INTO CITIES (STATE_CODE, CITY_CODE, CITY_NAME)
VALUES (P_STATE_CODE, P_CITY_CODE, P_CITY_NAME);
StoO_rowcnt := SQL%ROWCOUNT;
EXCEPTION
WHEN TOO_MANY_ROWS THEN
StoO_rowcnt := 2;
WHEN OTHERS THEN
StoO_rowcnt := 0;
StoO_selcnt := 0;
StoO_error := SQLCODE;
StoO_errmsg := SQLERRM;
IF StoO_error != 0 THEN
BEGIN
P_RETURN := 1;
RETURN;
END;
END IF;
END;
CREATE OR REPLACE PROCEDURE SP_GETCITIES(
STATE_KEY IN VARCHAR,
RC1 IN OUT globalPkg.RCT1)
AS
StoO_error INTEGER;
StoO_selcnt INTEGER;
StoO_rowcnt INTEGER;
StoO_errmsg VARCHAR2(255);
BEGIN
StoO_rowcnt := 0;
StoO_error := 0;
StoO_selcnt := 0;
OPEN RC1 FOR
SELECT STATE_CODE, CITY_CODE, CITY_NAME
FROM CITIES
WHERE STATE_CODE = STATE_KEY
ORDER BY CITY_CODE;
StoO_rowcnt := SQL%ROWCOUNT;
EXCEPTION
WHEN OTHERS THEN
StoO_rowcnt := 0;
StoO_error := SQLCODE;
StoO_errmsg := SQLERRM;
END;
/Hi Mark,
Thanks for your recommendations.
I change the code with OCIDefineByPos, one for each parameter from cursor and then use the OCIStmtFetch.
I don´t receive a error when call OCIDefineByPos, but when I call OCIStmtFetch receive a -1 error number.
What is wrong with the code?
The script is the same.
I need your help!
Best Regards!
Antonio Garcia (Mexico)
This the new code:
#include <stdio.h>
#include <string.h>
#include <oci.h>
#include <stdlib.h>
char* pConnectChar ="ORAC617";
char* pUsernameChar = "C617_005_DBO_01";
char* pPasswordChar = "Tempora1";
char* sqlCharArray1 = "BEGIN SP_GETCITIES(:s, :c); END;";
int retval;
ub4 parmcnt=0;
ub4 pos2=0;
sb2 *c_indp;
text *pcoln[20], *name,*name2;
ub4 namelen[20],len;
ub2 type,size;
char state_key[5];
OCIDefine *pdef;
OCIBind *p_bnd;
ub1 **c_buf;
OCIStmt* pOciStatement; /* Statement handle */
OCIStmt* pOciStatCursor; /* Statement handle */
OCIError* pOciError; /* Error handle */
OCIEnv* pOciEnviron; /* Environment handle */
OCIServer* pOciServer; /* Server handle */
OCISession* pOciSession; /* Session handle */
OCISvcCtx* pOciServiceContext; /* Service Context handle */
OCIBind* pOciBind[500]; /* Bind handle */
OCIParam* pOciParam; /* Param handle */
int OCI_Fetch(OCIStmt *p_select,OCIError *p_err, int *piOcc)
int iOcc, rc;
rc=OCIStmtFetch(p_select,p_err,1,OCI_FETCH_NEXT,OCI_DEFAULT);
printf("rc fetch %i",rc);
if(rc==0&&piOcc!=NULL){
printf("entro al if");
iOcc=*piOcc;
*piOcc=iOcc+1;
return rc;
int main()
int pos,i=0,rc;
retval = OCIEnvCreate(&pOciEnviron, OCI_DEFAULT, NULL, NULL, NULL, NULL,0,NULL);
printf("EnvCreate retval=%d\n", retval);
retval = OCIEnvInit(&pOciEnviron, OCI_DEFAULT, 0, NULL);
printf("EnvInit retval=%d\n",retval);
retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciError, OCI_HTYPE_ERROR, 0, NULL);
printf("HandleAlloc OCI_HTYPE_ERROR retval=%d\n",retval);
retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciServiceContext, OCI_HTYPE_SVCCTX, 0, NULL);
printf("HandleAlloc OCI_HTYPE_SVCCTX retval=%d\n",retval);
retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciStatement, OCI_HTYPE_STMT, 0, NULL);
printf("HandleAlloc OCI_HTYPE_STMT retval=%d\n",retval);
retval = OCILogon(pOciEnviron,pOciError,&pOciServiceContext,(unsigned char *)pUsernameChar,
strlen(pUsernameChar), (unsigned char *)pPasswordChar, strlen(pPasswordChar),
(unsigned char *)pConnectChar,strlen(pConnectChar));
printf("OCILogon retval=%d\n",retval);
retval = OCIStmtPrepare(pOciStatement, pOciError, (unsigned char *)sqlCharArray1,strlen(sqlCharArray1),
OCI_NTV_SYNTAX, OCI_DEFAULT);
printf("StmtPrepare retval=%d\n",retval);
retval = OCIHandleAlloc(pOciEnviron, (void **)&pOciStatCursor, OCI_HTYPE_STMT, 0, NULL);
printf("HandleAlloc OCI_HTYPE_STMT retval=%d\n",retval);
retval = OCIBindByPos(pOciStatement,&pOciBind[0], pOciError, (ub4) 1, (void *)&state_key,
(sb4) sizeof(state_key), SQLT_STR, (void *) 0, (ub2 *) 0, (ub2 *)0,(ub4)0, (ub4 *)0, (ub4) OCI_DEFAULT);
printf("BindByPos OCI_HTYPE_STMT retval=%d\n",retval);
retval = OCIBindByPos(pOciStatement,&pOciBind[1], pOciError, (ub4) 2, (void *)&pOciStatCursor,
(sb4) 0, SQLT_RSET, (void *) 0, (ub2 *) 0, (ub2 *)0,(ub4)0, (ub4 *)0, (ub4) OCI_DEFAULT);
printf("BindByPos OCI_HTYPE_STMT retval=%d\n",retval);
strcpy(state_key,"CA");
retval = OCIStmtExecute(pOciServiceContext, pOciStatement, pOciError, (ub4)1, (ub4) 0,
(OCISnapshot *)NULL, (OCISnapshot *)NULL, (ub4) OCI_DEFAULT);
printf("StmtExecute retval=%d\n",retval);
c_buf=(ub1 **)calloc(sizeof(ub1 *),3);
c_indp=(sb2 *)calloc(sizeof(sb2 *),3);
// Get number of parameters of the Cursor
OCIAttrGet((void *) pOciStatCursor, (ub4)OCI_HTYPE_STMT, (void*) &parmcnt,(ub4 *) 0,
(ub4)OCI_ATTR_PARAM_COUNT, pOciError);
printf("\nNumber of parameters of the cursor = %d\n",parmcnt);
for (pos = 1; pos <= (int)parmcnt; pos++)
OCIAttrGet((void *) pOciStatCursor, (ub4)OCI_HTYPE_STMT, (void*) &pos2,(ub4 *) 0,
(ub4)OCI_ATTR_CURRENT_POSITION, pOciError);
retval = OCIParamGet((void *)pOciStatCursor, (ub4)OCI_HTYPE_STMT, pOciError, (void **)&pOciParam,(ub4) pos );
// Get the column name
OCIAttrGet((void*) pOciParam, (ub4) OCI_DTYPE_PARAM,(void*) &name,(ub4 *) &len, (ub4) OCI_ATTR_NAME,(OCIError *)pOciError );
// Get the column datatype
OCIAttrGet((void*) pOciParam, (ub4) OCI_DTYPE_PARAM,(void*) &type,(ub4 *)0,(ub4)OCI_ATTR_DATA_TYPE,(OCIError *)pOciError);
// Get the column size
OCIAttrGet((void*) pOciParam, (ub4) OCI_DTYPE_PARAM,(void*) &size,(ub4 *)0,(ub4)OCI_ATTR_DATA_SIZE,(OCIError *)pOciError);
printf("Column %i\tNAME = %.*s \ttype %d \tsize %d\n",pos,len,name,type,size);
// OCIDefine ByPos, one for each parameter
// c_buf store the STATE_CODE, CITY_CODE and CITY_NAME columns from the cursor
rc=OCIDefineByPos(pOciStatCursor,&pdef,(OCIError *)pOciError,pos,c_buf[pos-1],size+1,(ub2)type,(dvoid *)c_indp[pos-1],(ub2 *)0,(ub2 *)0,OCI_DEFAULT);
printf("OCIDefineByPos retval=%d\n,rc);
// call OCIStmtFetch. In the next line, I receive the error
rc=OCIStmtFetch(pOciStatCursor,pOciError,1,OCI_FETCH_NEXT,OCI_DEFAULT);
printf("rc fetch %i",rc);
return 0;
{code}
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