新增sql连接，目前支持mysql、sqlite、oracle连接以及相关数据库操作
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/*
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*
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*/
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/* Copyright (c) 1996, 2005, Oracle. All rights reserved. */
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/*
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NAME
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ociextp.h - Interface Definitions for PL/SQL External Procedures
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DESCRIPTION
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This header file contains C language callable interface from
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PL/SQL External Procedures.
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PUBLIC FUNCTION(S)
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OCIExtProcAllocCallMemory - Allocate Call memory
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OCIExtProcRaiseExcp - Raise Exception
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OCIExtProcRaiseExcpWithMsg - Raise Exception with message
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OCIExtProcGetEnv - Get OCI Environment
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PRIVATE FUNCTION(S)
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<list of static functions defined in .c file - with one-line descriptions>
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EXAMPLES
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NOTES
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<other useful comments, qualifications, etc.>
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MODIFIED (MM/DD/YY)
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dmukhin 06/29/05 - ANSI prototypes; miscellaneous cleanup
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srseshad 03/12/03 - convert oci public api to ansi
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rdecker 01/10/02 - change 32k to MAX_OEN for error numbers
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sagrawal 07/20/01 - Statement Handle to safe cal outs
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abrumm 04/19/01 - move include of oci.h after defines/typedef
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rdecker 02/22/01 - lint fix
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bpalaval 02/08/01 - Change text to oratext.
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sagrawal 06/16/00 - ref cursor in callouts
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whe 09/01/99 - 976457:check __cplusplus for C++ code
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asethi 04/15/99 - Created (by moving ociextp.h from /vobs/plsql/public)
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rhari 03/25/97 - Use ifndef
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rhari 12/18/96 - Include oratypes.h
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rhari 12/11/96 - #416977, Flip values of return codes
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rhari 12/02/96 - Define Return Code Macros
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rhari 11/18/96 - Error number is int
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rhari 10/30/96 - Fix OCIExtProcRaiseExcpWithMsg
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rhari 10/30/96 - Get rid of warnings
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rhari 10/04/96 - Fix OCIExtProcRaiseExcpWithMsg
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rhari 09/23/96 - Creation
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*/
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#ifndef OCIEXTP_ORACLE
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# define OCIEXTP_ORACLE
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# ifndef ORATYPES
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# include <oratypes.h>
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# endif
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/*---------------------------------------------------------------------------
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PUBLIC TYPES AND CONSTANTS
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---------------------------------------------------------------------------*/
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/* ----------------------------- Return Codes ----------------------------- */
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/* Success and Error return codes for certain external procedure interface
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* functions. If a particular interface function returns OCIEXTPROC_SUCCESS
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* or OCIEXTPROC_ERROR, then applications must use these macros to check
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* for return values.
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*
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* OCIEXTPROC_SUCCESS -- External Procedure Success Return Code
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* OCIEXTPROC_ERROR -- External Procedure Failure Return Code
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*/
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#define OCIEXTPROC_SUCCESS 0
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#define OCIEXTPROC_ERROR 1
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/* --------------------------- With-Context Type --------------------------- */
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/*
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* The C callable interface to PL/SQL External Procedures require the
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* With-Context parameter to be passed. The type of this structure is
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* OCIExtProcContext is is opaque to the user.
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*
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* The user can declare the With-Context parameter in the application as
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*
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* OCIExtProcContext *with_context;
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*/
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typedef struct OCIExtProcContext OCIExtProcContext;
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/* NOTE: OCIExtProcContext must be visible prior to including <oci.h> */
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# ifndef OCI_ORACLE
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# include <oci.h>
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# endif
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/* ----------------------- OCIExtProcAllocCallMemory ----------------------- */
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/* OCIExtProcAllocCallMemory
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* Allocate N bytes of memory for the duration of the External Procedure.
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*
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* Memory thus allocated will be freed by PL/SQL upon return from the
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* External Procedure. You must not use any kind of 'free' function on
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* memory allocated by OCIExtProcAllocCallMemory.
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* Use this function to allocate memory for function returns.
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*
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* PARAMETERS
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* Input :
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* with_context - The with_context pointer that is passed to the C
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* External Procedure.
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* Type of with_context : OCIExtProcContext *
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* amount - The number of bytes to allocate.
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* Type of amount : size_t
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*
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* Output :
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* Nothing
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*
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* Return :
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* An untyped (opaque) Pointer to the allocated memory.
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*
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* Errors :
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* A 0 return value should be treated as an error
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*
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* EXAMPLE
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* text *ptr = (text *)OCIExtProcAllocCallMemory(wctx, 1024)
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*
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*/
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#define OCIExtProcAllocCallMemory(with_context, amount) \
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ociepacm(with_context, (size_t)amount)
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/* -------------------------- OCIExtProcRaiseExcp -------------------------- */
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/* OCIExtProcRaiseExcp
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* Raise an Exception to PL/SQL.
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*
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* Calling this function signalls an exception back to PL/SQL. After a
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* successful return from this function, the External Procedure must start
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* its exit handling and return back to PL/SQL. Once an exception is
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* signalled to PL/SQL, INOUT and OUT arguments, if any, are not processed
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* at all.
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*
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* PARAMETERS
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* Input :
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* with_context - The with_context pointer that is passed to the C
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* External Procedure.
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* Type of with_context : OCIExtProcContext *
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* errnum - Oracle Error number to signal to PL/SQL. errnum
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* must be a positive number and in the range 1 to MAX_OEN
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* Type of errnum : int
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* Output :
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* Nothing
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*
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* Return :
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* OCIEXTPROC_SUCCESS - If the call was successful.
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* OCIEXTPROC_ERROR - If the call failed.
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*
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*/
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#define OCIExtProcRaiseExcp(with_context, errnum) \
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ocieperr(with_context, (int)errnum)
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/* ---------------------- OCIExtProcRaiseExcpWithMsg ---------------------- */
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/* OCIExtProcRaiseExcpWithMsg
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* Raise an exception to PL/SQL. In addition, substitute the
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* following error message string within the standard Oracle error
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* message string. See note for OCIExtProcRaiseExcp
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*
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* PARAMETERS
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* Input :
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* with_context - The with_context pointer that is passed to the C
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* External Procedure.
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* Type of with_context : OCIExtProcContext *
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* errnum - Oracle Error number to signal to PL/SQL. errnum
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* must be a positive number and in the range 1 to MAX_OEN
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* Type of errnum : int
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* errmsg - The error message associated with the errnum.
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* Type of errmsg : char *
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* len - The length of the error message. 0 if errmsg is
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* null terminated string.
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* Type of len : size_t
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* Output :
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* Nothing
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*
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* Return :
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* OCIEXTPROC_SUCCESS - If the call was successful.
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* OCIEXTPROC_ERROR - If the call failed.
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*
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*/
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#define OCIExtProcRaiseExcpWithMsg(with_context, errnum, errmsg, msglen) \
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ociepmsg(with_context, (int)errnum, errmsg, (size_t)msglen)
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/* --------------------------- OCIExtProcGetEnv --------------------------- */
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/* OCIExtProcGetEnv
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* Get OCI Environment
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*
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* PARAMETERS
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* Input :
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* with_context - The with_context pointer that is passed to the C
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* External Procedure.
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*
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* Output :
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* envh - The OCI Environment handle.
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* svch - The OCI Service handle.
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* errh - The OCI Error handle.
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*
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* Return :
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* OCI_SUCCESS - Successful completion of the function.
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* OCI_ERROR - Error.
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*
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*/
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#define OCIExtProcGetEnv(with_context, envh, svch, errh) \
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ociepgoe(with_context, envh, svch, errh)
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/* ------------------------ OCIInitializeStatementHandle ------------------- */
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/* OCIreateStatementHandle
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* Initialize Statement Handle
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*
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* PARAMETERS
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* Input :
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* wctx - The
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* cursorno - The cursor number for which we need to initialize
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* the statement handle
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* svch - The OCI Service handle.
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*
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* Output :
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* stmthp - The OCI Statement handle.
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* errh - The OCI Error handle.
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*
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* Return :
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* OCI_SUCCESS - Successful completion of the function.
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* OCI_ERROR - Error.
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*
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*/
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#define OCIInitializeStatementHandle(wctx, cursorno, svch, stmthp, errh) \
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ociepish(wctx, cursor, svch, stmthp, errh)
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/*---------------------------------------------------------------------------
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PRIVATE TYPES AND CONSTANTS
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---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------
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PUBLIC FUNCTIONS
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---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------
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PRIVATE FUNCTIONS
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---------------------------------------------------------------------------*/
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void *ociepacm(OCIExtProcContext *with_context, size_t amount);
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size_t ocieperr(OCIExtProcContext *with_context, int error_number);
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size_t ociepmsg(OCIExtProcContext *with_context, int error_number,
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oratext *error_message, size_t len );
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sword ociepgoe(OCIExtProcContext *with_context, OCIEnv **envh,
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OCISvcCtx **svch, OCIError **errh);
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#endif /* OCIEXTP_ORACLE */
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