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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/* Copyright (c) 2003, 2021, Oracle and/or its affiliates. */
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/* All rights reserved.*/
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/*
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NAME
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ocixmldb.h - XDB public functions
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DESCRIPTION
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This file contains XDB specific public functions required for DOM C-API.
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RELATED DOCUMENTS
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EXPORT FUNCTION(S)
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struct xmlctx *OCIXmlDbInitXmlCtx(OCIEnv *, OCISvcCtx *, OCIError *,
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ocixmldbparam *params, int num_params);
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void OCIXmlDbFreeXmlCtx(struct xmlctx *xctx);
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------------------------------------------------------------------------
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EXAMPLES
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NOTES
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MODIFIED (MM/DD/YY)
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yinlu 05/25/21 - bug 32925936: add OCIXmlDbGetJSONDiffAll
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stirmizi 06/05/14 - OCI properties for client side binary XML processing
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alejgarc 05/29/14 - 18857660 - added OCIXmlGetDiffBndVersion.
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tojhuan 07/10/13 - Update OCIXmlDr_DEF revision
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tojhuan 06/05/13 - 16318092: add csform and csid to OCIXmlDiffBnd
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tojhuan 12/17/12 - fwd merge 15980280 expose table alias parameters of
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qmudxRewriteXMLDiffRaw for OCIXmlDbRewriteXMLDiff
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srirkris 06/15/11 - Add OCIXmlDr_DEF
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srirkris 03/01/11 - OCIXmlDbRewriteXMLDiff definition change
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vmedi 01/14/11 - OCIXmlDbGetFullyQualifiedSchemaUrl
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sipatel 03/08/10 - add lob arg to OCIXmlDbRewriteXMLDiff
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samane 01/20/10 - Bug 9302227
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yifeng 11/05/09 - add OCIXmlDbRewriteXMLDiff
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samane 08/05/09 - Bug 8661204
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ataracha 12/11/03 - remove redundant definitions
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ataracha 05/28/03 - change names
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ataracha 02/18/03 - add oratypes, remove XMLERR_*
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imacky 02/01/03 - remove xml.h; xdbs fix
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ataracha 01/24/03 - use "struct xmlctx" instead of xmlctx
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imacky 01/28/03 - fix XMLERR defs
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ataracha 01/21/03 - ataracha_uni_capi_cleanup
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ataracha 01/09/03 - Creation
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*/
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#ifndef ORATYPES
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#include <oratypes.h>
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#endif
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#ifndef OCI_ORACLE
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# include <oci.h>
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#endif
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#ifndef OCIXMLDB_ORACLE
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# define OCIXMLDB_ORACLE
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/*---------------------------------------------------------------------------
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PUBLIC TYPES AND CONSTANTS
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---------------------------------------------------------------------------*/
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#ifndef XMLCTX_DEFINED
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# define XMLCTX_DEFINED
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/* DATATYPE xmlctx - XML top-level context
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*/
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struct xmlctx; typedef struct xmlctx xmlctx;
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#endif
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typedef struct OCIXmlDiffBnd {
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oratext *bndnmp;
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ub1 bndnml;
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ub2 bndpos;
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ub2 bndnum;
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ub2 bnddty;
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void *bndvalp;
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ub4 bndvallen;
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ub2 bndcsid;
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ub1 bndcsform;
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} OCIXmlDiffBnd;
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struct xmldrctx; typedef struct xmldrctx xmldrctx;
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typedef enum
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{
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XCTXINIT_OCIDUR = 1,
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XCTXINIT_ERRHDL = 2
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} ocixmldbpname;
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typedef struct ocixmldbparam
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{
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ocixmldbpname name_ocixmldbparam;
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void *value_ocixmldbparam;
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} ocixmldbparam;
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#define NUM_OCIXMLDBPARAMS 2
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#define OCIXMLDB_BINDBYNAME 1
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#define OCIXMLDB_BINDBYNUM 2
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#define OCIMAXXQUBNDLMT 1000
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#define OCIXmlDr_DEF 2
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/* property names for client-side encoding/decoding of binary XML */
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#define OCIXMLDB_ENCODE "XML_ENCODE_ON"
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#define OCIXMLDB_DECODEL 13
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#define OCIXMLDB_DECODE "XML_DECODE_ON"
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#define OCIXMLDB_DECODEL 13
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/*
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* At version 2, OCIXmlDiffBnd has attributes bndcsid, bndcsform
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*/
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/*---------------------------------------------------------------------------
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PRIVATE TYPES AND CONSTANTS
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---------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------
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EXPORT FUNCTIONS
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---------------------------------------------------------------------------*/
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/*****************************************************************************
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DESCRIPTION
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-----------------------------OCIXmlDbInitXmlCtx---------------------------------
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Name
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OCIXmlDbInitXmlCtx
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Purpose
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To get a xmlctx structure initialized with error-handler and XDB callbacks.
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Syntax
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struct xmlctx *OCIXmlDbInitXmlCtx (OCIEnv *envhp,
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OCISvcCtx *svchp,
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OCIError *err,
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params_ocixmldb *params,
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int num_params);
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Parameters
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envhp (IN) - The OCI environment handle
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svchp (IN) - The OCI service handle
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errhp (IN) - The OCI error handle
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params (IN)- This contains the following optional parameters :
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(a) OCIDuration dur (IN - The OCI Duration (Default: OCI_DURATION_SESSION)
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(b) void (*err_handler) (sword, (const oratext *) (IN) -
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Pointer to the error handling function (Default: null)
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num_params (IN) - Number of parameters to be read from parameter params.
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If the value of num_params exceeds the size of array
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"params", unexpected behavior will result.
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Returns
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A pointer to xmlctx structure, with xdb context, error handler and callbacks
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populated with appropriate values. This is later used for all API calls. NULL
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if no database connection available.
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-----------------------------OCIXmlDbFreeXmlCtx----------------------------
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Name
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OCIXmlDbFreeXmlCtx
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Pupose
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To free any allocations done during OCIXmlDbInitXmlCtx.
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Syntax
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void OCIXmlDbFreeXmlCtx (struct xmlctx *xctx)
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Parameters
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xctx (IN) - The xmlctx to terminate
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Returns
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-
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------------------------OCIXmlDbOrastreamFromLob---------------------------
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Name
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OCIXmlDbOrastreamFromLob
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Pupose
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To create an orastream from a lob. This orastream can be used by functions like XMLLoadDom().
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Syntax
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sword OCIXmlDbOrastreamFromLob(OCIError *errhp, xmlctx *xctx,
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void **stream, OCILobLocator *lobloc)
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Parameters
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envhp (IN) - The OCI environment handle
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xctx (IN) - XML context
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stream (IN/OUT) - A pointer to orastream
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lobloc (IN) - The OCI lob locator
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Returns
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The orastream created on top of the lob is returned in the parameter 'stream'.
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******************************************************************************/
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struct xmlctx *OCIXmlDbInitXmlCtx(OCIEnv *, OCISvcCtx *, OCIError *,
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ocixmldbparam *, int);
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void OCIXmlDbFreeXmlCtx(struct xmlctx *xctx);
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sword OCIXmlDbStreamFromXMLType(OCIError *errhp, void **stream,
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OCIXMLType *doc, ub4 mode);
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sword OCIXmlDbOrastreamFromLob(OCIError *errhp, xmlctx *xctx,
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void **stream, OCILobLocator *lobloc);
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sword OCIXmlDbStreamRead(OCIError *errhp, void *stream,
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void *bufp, sb8 *len, ub4 mode);
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sword OCIXmlDbStreamClose(OCIError *errhp, void *stream);
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/*---------------------------------------------------------------------------
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INTERNAL FUNCTIONS
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---------------------------------------------------------------------------*/
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/* This function is for internal usage only */
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sword OCIXmlDbRewriteXMLDiff(OCIEnv *envhp, OCIError *errhp, OCISvcCtx *svchp,
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xmldrctx *xctx , oratext* colname, ub4 colnamelen,
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const void* xmldiff, ub4 xmldifflen,
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OCILobLocator *xdiff_locator, oratext** updstmt,
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ub2 binditerator, ub2 *colvalbndcount,
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OCIXmlDiffBnd **bindlist,
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oratext *obj_tab_prefix, ub2 obj_tab_prefix_len);
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sword OCIXmlDbGetJSONDiffAll(OCIEnv *envhp, OCIError *errhp, OCISvcCtx *svchp,
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xmldrctx *xctx, oratext* colnam, ub4 clen,
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const void* jdiff, ub4 jdifflen,
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OCILobLocator *jdiff_locator, oratext** updstmt,
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ub2 binditerator, ub2 *bind_count,
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OCIXmlDiffBnd **bindlist, ub1 *checksum);
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sword OCIXmlDbGetJSONDiffHash(OCIEnv *envhp, OCIError *errhp, OCISvcCtx *svchp,
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xmldrctx *xctx, const void* jdiff, ub4 jdifflen,
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OCILobLocator *jdiff_locator, ub1 *checksum);
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sword OCIXmlDbGetJSONDiffBind(OCIEnv *envhp, OCIError *errhp, OCISvcCtx *svchp,
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xmldrctx *xctx, const void* jdiff, ub4 jdifflen,
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OCILobLocator *jdiff_locator, ub2 binditerator,
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ub2 *bind_count, OCIXmlDiffBnd **bindlist);
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sword OCIXmlDbGetJSONDiffSql(OCIEnv *envhp, OCIError *errhp, OCISvcCtx *svchp,
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xmldrctx *xctx , oratext* colnam, ub4 clen,
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const void* jdiff, ub4 jdifflen,
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OCILobLocator *jdiff_locator, oratext** updstmt,
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ub2 binditerator, ub2 *bind_count,
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OCIXmlDiffBnd **bindlist);
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struct xmldrctx *OCIXmlInitDRCtx(OCIEnv *env, OCISvcCtx *svc, OCIError *err,
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ub1 bindtyp);
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void OCIXmlFreeDRCtx(xmldrctx *xctx);
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ub1 OCIXmlGetDiffBndVersion();
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sword OCIXmlDbGetFullyQualifiedSchemaUrl(OCIError *errhp,
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oratext *schema_url,
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ub2 schema_url_len,
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oratext *schema_owner,
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ub2 schema_owner_len,
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oratext **fq_schema_url,
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ub4 *fs_schema_url_len);
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void *OCIXmlDbMemCallback(void *ctx, size_t size);
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#endif /* OCIXMLDB_ORACLE */
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