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Commitdacaeff

Browse files
author
Michael Meskes
committed
Added patch by Bernd Helmle <bernd.helmle@credativ.de> that adds a low level
function that returns the current transaction status.
1 parent20f7f01 commitdacaeff

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4 files changed

+46
-5
lines changed

4 files changed

+46
-5
lines changed

‎doc/src/sgml/ecpg.sgml

Lines changed: 26 additions & 1 deletion
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@@ -1,4 +1,4 @@
1-
<!-- $PostgreSQL: pgsql/doc/src/sgml/ecpg.sgml,v 1.90 2009/07/11 21:15:32petere Exp $ -->
1+
<!-- $PostgreSQL: pgsql/doc/src/sgml/ecpg.sgml,v 1.91 2009/09/18 13:13:32meskes Exp $ -->
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33
<chapter id="ecpg">
44
<title><application>ECPG</application> - Embedded <acronym>SQL</acronym> in C</title>
@@ -4753,6 +4753,31 @@ ECPG = ecpg
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</note>
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</listitem>
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<listitem>
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<para>
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<function>ECPGget_PGconn(const char *<replaceable>connection_name</replaceable>)
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</function> returns the library database connection handle identified by the given name.
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If <replaceable>connection_name</replaceable> is set to <literal>NULL</literal>, the current
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connection handle is returned. If no connection handle can be identified, the function returns
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<literal>NULL</literal>. The returned connection handle can be used to call any other functions
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from <application>libpq</application>, if necessary.
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</para>
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<note>
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<para>
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It is a bad idea to manipulate database connection handles made from <application>ecpg</application> directly
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with <application>libpq</application> routines.
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</para>
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</note>
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</listitem>
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<listitem>
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<para>
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<function>ECPGtransactionStatus(const char *<replaceable>connection_name</replaceable>)</function>
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returns the current transaction status of the given connection identified by <replaceable>connection_name</replaceable>.
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See <xref linkend="libpq-status"> and libpq's <function>PQtransactionStatus()</function> for details about the returned status codes.
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</para>
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</listitem>
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<listitem>
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<para>
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<function>ECPGstatus(int <replaceable>lineno</replaceable>,

‎src/interfaces/ecpg/ecpglib/exports.txt

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/exports.txt,v 1.5 2008/03/25 12:45:25 meskes Exp $
1+
# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/exports.txt,v 1.6 2009/09/18 13:13:32 meskes Exp $
22
# Functions to be exported by ecpglib DLL
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ECPGallocate_desc 1
44
ECPGconnect 2
@@ -26,3 +26,4 @@ ECPGstatus 23
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ECPGtrans 24
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sqlprint 25
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ECPGget_PGconn 26
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ECPGtransactionStatus 27

‎src/interfaces/ecpg/ecpglib/misc.c

Lines changed: 16 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.51 2009/09/03 09:09:01 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/misc.c,v 1.52 2009/09/18 13:13:32 meskes Exp $ */
22

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#definePOSTGRES_ECPG_INTERNAL
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#include"postgres_fe.h"
@@ -170,6 +170,21 @@ ECPGstatus(int lineno, const char *connection_name)
170170
return (true);
171171
}
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PGTransactionStatusType
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ECPGtransactionStatus(constchar*connection_name)
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{
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conststructconnection*con;
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con=ecpg_get_connection(connection_name);
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if (con==NULL) {
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/* transaction status is unknown */
181+
returnPQTRANS_UNKNOWN;
182+
}
183+
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returnPQtransactionStatus(con->connection);
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}
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bool
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ECPGtrans(intlineno,constchar*connection_name,constchar*transaction)
175190
{

‎src/interfaces/ecpg/include/ecpglib.h

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
/*
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* this is a small part of c.h since we don't want to leak all postgres
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* definitions into ecpg programs
4-
* $PostgreSQL: pgsql/src/interfaces/ecpg/include/ecpglib.h,v 1.79 2009/06/11 14:49:13 momjian Exp $
4+
* $PostgreSQL: pgsql/src/interfaces/ecpg/include/ecpglib.h,v 1.80 2009/09/18 13:13:32 meskes Exp $
55
*/
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#ifndef_ECPGLIB_H
@@ -59,7 +59,7 @@ boolECPGdeallocate(int, int, const char *, const char *);
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boolECPGdeallocate_all(int,int,constchar*);
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char*ECPGprepared_statement(constchar*,constchar*,int);
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PGconn*ECPGget_PGconn(constchar*);
62-
62+
PGTransactionStatusTypeECPGtransactionStatus(constchar*);
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char*ECPGerrmsg(void);
6565

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