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) 1992, 2006, Oracle. All rights reserved. */
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/*
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NAME
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xa.h - <one-line expansion of the name>
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DESCRIPTION
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<short description of component this file declares/defines>
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PUBLIC FUNCTION(S)
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<list of external functions declared/defined - with one-line descriptions>
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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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RETURNS
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<function return values, for .c file with single function>
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NOTES
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<other useful comments, qualifications, etc.>
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This is the public XA .h file
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MODIFIED (MM/DD/YY)
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yohu 08/27/06 - XA/RAC project changes: XAER_AFFINITY
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dmukhin 06/29/05 - ANSI prototypes; miscellaneous cleanup
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whe 09/01/99 - 976457:check __cplusplus for C++ code
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ntang 10/20/98 - Remove TMCACHE & TMFORCL
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abhide 08/04/97 - implement xaoforcl
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abhide 07/23/97 - XA OTS project changes
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schandra 02/20/96 - lint
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abhide 04/07/94 - merge changes from branch 1.1.710.1
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abhide 02/14/94 - Creation
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abhide 02/10/94 - Creation
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abhide 02/10/94 - Creation
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*/
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/*
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* xa.h header
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* Typed in from X/Open doc of March 13, 1990
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* Updated to Parsippany II draft, March, 1991
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* Updated to Co Review draft, 19 Sep 1991
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*/
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#ifndef XA_H
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#define XA_H
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/*
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* Transaction branch identification: XID and NULLXID:
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*/
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#define XIDDATASIZE 128 /* size in bytes */
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#define MAXGTRIDSIZE 64 /* maximum size in bytes of gtrid */
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#define MAXBQUALSIZE 64 /* maximum size in bytes of bqual */
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struct xid_t {
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long formatID; /* format identifier */
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long gtrid_length; /* value from 1 through 64 */
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long bqual_length; /* value from 1 through 64 */
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char data[XIDDATASIZE];
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};
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typedef struct xid_t XID;
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/*
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* A value of -1 in formatID means that the XID is null.
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*/
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/*
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* Declarations of routines by which RMs call TMs:
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*/
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int ax_reg(int, XID *, long);
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int ax_unreg(int, long);
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/*
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* XA Switch Data Structure
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*/
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#define RMNAMESZ 32 /* length of resource manager name, */
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/* including the null terminator */
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#define MAXINFOSIZE 256 /* maximum size in bytes of xa_info strings, */
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/* including the null terminator */
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struct xa_switch_t {
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char name[RMNAMESZ]; /* name of resource manager */
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long flags; /* resource manager specific options */
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long version; /* must be 0 */
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int (*xa_open_entry)(char *, int, long); /*xa_open function pointer*/
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int (*xa_close_entry)(char *, int, long); /*xa_close function pointer*/
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int (*xa_start_entry)(XID *, int, long); /*xa_start function pointer*/
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int (*xa_end_entry)(XID *, int, long); /*xa_end function pointer*/
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int (*xa_rollback_entry)(XID *, int, long);
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/*xa_rollback function pointer*/
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int (*xa_prepare_entry)(XID *, int, long); /*xa_prepare function pointer*/
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int (*xa_commit_entry)(XID *, int, long); /*xa_commit function pointer*/
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int (*xa_recover_entry)(XID *, long, int, long);
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/*xa_recover function pointer*/
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int (*xa_forget_entry)(XID *, int, long); /*xa_forget function pointer*/
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int (*xa_complete_entry)(int *, int *, int, long);
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};
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/*
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* Flag definition for the RM switch
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*/
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#define TMNOFLAGS 0x00000000L /* no resource manager features
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selected */
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#define TMREGISTER 0x00000001L /* resource manager dynamically
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registers */
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#define TMNOMIGRATE 0x00000002L /* resource manager does not support
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association migration */
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#define TMUSEASYNC 0x00000004L /* resource manager supports
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asynchronous operations */
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/*
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* Flag definitions for xa_ and ax_ routines
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*/
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/* Use TMNOFLAGS, defined above, when not specifying other flags */
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#define TMASYNC 0x80000000L /* perform routine asynchronously */
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#define TMONEPHASE 0x40000000L /* caller is using one-phase commit
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optimisation */
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#define TMFAIL 0x20000000L /* dissociates caller and marks
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transaction branch rollback-only */
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#define TMNOWAIT 0x10000000L /* return if blocking condition
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exists */
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#define TMRESUME 0x08000000L /* caller is resuming association
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with suspended transaction branch */
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#define TMSUCCESS 0x04000000L /* dissociate caller from transaction
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branch */
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#define TMSUSPEND 0x02000000L /* caller is suspending, not ending,
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association */
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#define TMSTARTRSCAN 0x01000000L /* start a recovery scan */
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#define TMENDRSCAN 0x00800000L /* end a recovery scan */
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#define TMMULTIPLE 0x00400000L /* wait for any asynchronous
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operation */
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#define TMJOIN 0x00200000L /* caller is joining existing
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transaction branch */
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#define TMMIGRATE 0x00100000L /* caller intends to perform
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migration */
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/*
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* ax_() return codes (transaction manager reports to resource manager)
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*/
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#define TM_JOIN 2 /* caller is joining existing transaction
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branch */
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#define TM_RESUME 1 /* caller is resuming association with
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suspended transaction branch */
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#define TM_OK 0 /* normal execution */
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#define TMER_TMERR -1 /* an error occurred in the transaction
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manager */
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#define TMER_INVAL -2 /* invalid arguments were given */
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#define TMER_PROTO -3 /* routine invoked in an improper context */
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/*
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* xa_() return codes (resource manager reports to transaction manager)
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*/
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#define XA_RBBASE 100 /* The inclusive lower bound of the
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rollback codes */
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#define XA_RBROLLBACK XA_RBBASE /* The rollback was caused by an
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unspecified reason */
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#define XA_RBCOMMFAIL XA_RBBASE+1 /* The rollback was caused by a
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communication failure */
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#define XA_RBDEADLOCK XA_RBBASE+2 /* A deadlock was detected */
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#define XA_RBINTEGRITY XA_RBBASE+3 /* A condition that violates the
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integrity of the resources was
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detected */
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#define XA_RBOTHER XA_RBBASE+4 /* The resource manager rolled back the
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transaction for a reason not on this
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list */
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#define XA_RBPROTO XA_RBBASE+5 /* A protocal error occurred in the
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resource manager */
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#define XA_RBTIMEOUT XA_RBBASE+6 /* A transaction branch took too long*/
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#define XA_RBTRANSIENT XA_RBBASE+7 /* May retry the transaction branch */
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#define XA_RBEND XA_RBTRANSIENT /* The inclusive upper bound of the
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rollback codes */
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#define XA_NOMIGRATE 9 /* resumption must occur where
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suspension occurred */
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#define XA_HEURHAZ 8 /* the transaction branch may have been
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heuristically completed */
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#define XA_HEURCOM 7 /* the transaction branch has been
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heuristically comitted */
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#define XA_HEURRB 6 /* the transaction branch has been
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heuristically rolled back */
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#define XA_HEURMIX 5 /* the transaction branch has been
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heuristically committed and rolled
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back */
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#define XA_RETRY 4 /* routine returned with no effect
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and may be re-issued */
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#define XA_RDONLY 3 /* the transaction was read-only
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and has been committed */
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#define XA_OK 0 /* normal execution */
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#define XAER_ASYNC -2 /* asynchronous operation already
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outstanding */
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#define XAER_RMERR -3 /* a resource manager error occurred
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in the transaction branch */
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#define XAER_NOTA -4 /* the XID is not valid */
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#define XAER_INVAL -5 /* invalid arguments were given */
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#define XAER_PROTO -6 /* routine invoked in an improper
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context */
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#define XAER_RMFAIL -7 /* resource manager unavailable */
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#define XAER_DUPID -8 /* the XID already exists */
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#define XAER_OUTSIDE -9 /* resource manager doing work */
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/* outside global transaction */
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#define XAER_AFFINITY -10 /* XA on RAC: resumption must occur on
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RAC instance where the transaction
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branch was created */
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#endif /* ifndef XA_H */
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