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Commitf426465

Browse files
committed
Add a new function "pg_client_encoding" which returns the current client
side encoding name. This is necessary for client API's such as JDBCto perform correct encoding conversions. See my email "[HACKERS]pg_client_encoding" 10 Sep 2001.
1 parent9d13fcf commitf426465

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4 files changed

+32
-5
lines changed

4 files changed

+32
-5
lines changed

‎doc/src/sgml/func.sgml‎

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.77 2001/10/10 00:02:42 petere Exp $ -->
1+
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.78 2001/10/1202:08:34 ishii Exp $ -->
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<chapter id="functions">
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<title>Functions and Operators</title>
@@ -1008,6 +1008,16 @@
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<entry><literal>trim</literal></entry>
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</row>
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1011+
<row>
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<entry><function>pg_client_encoding</function>()</entry>
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<entry><type>name</type></entry>
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<entry>
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Returns current client encoding name.
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</entry>
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<entry><literal>pg_client_encoding()</literal></entry>
1018+
<entry><literal>SQL_ASCII</literal></entry>
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</row>
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<row>
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<entry><function>repeat</function>(<type>text</type>, <type>integer</type>)</entry>
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<entry><type>text</type></entry>

‎src/backend/utils/init/miscinit.c‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
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*
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* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.77 2001/09/08 15:24:00 petere Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.78 2001/10/12 02:08:34 ishii Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -197,6 +197,12 @@ getdatabaseencoding(PG_FUNCTION_ARGS)
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returnDirectFunctionCall1(namein,CStringGetDatum("SQL_ASCII"));
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}
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200+
Datum
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pg_client_encoding(PG_FUNCTION_ARGS)
202+
{
203+
returnDirectFunctionCall1(namein,CStringGetDatum("SQL_ASCII"));
204+
}
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Datum
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PG_encoding_to_char(PG_FUNCTION_ARGS)
202208
{

‎src/backend/utils/mb/mbutils.c‎

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
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* client encoding and server internal encoding.
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* (currently mule internal code (mic) is used)
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* Tatsuo Ishii
6-
* $Id: mbutils.c,v 1.23 2001/09/21 15:27:38 tgl Exp $
6+
* $Id: mbutils.c,v 1.24 2001/10/12 02:08:34 ishii Exp $
77
*/
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#include"postgres.h"
99

@@ -471,3 +471,10 @@ getdatabaseencoding(PG_FUNCTION_ARGS)
471471
Assert(DatabaseEncoding);
472472
returnDirectFunctionCall1(namein,CStringGetDatum(DatabaseEncoding->name));
473473
}
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Datum
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pg_client_encoding(PG_FUNCTION_ARGS)
477+
{
478+
Assert(ClientEncoding);
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returnDirectFunctionCall1(namein,CStringGetDatum(ClientEncoding->name));
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}

‎src/include/catalog/pg_proc.h‎

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
10-
* $Id: pg_proc.h,v 1.215 2001/10/03 17:22:05 tgl Exp $
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* $Id: pg_proc.h,v 1.216 2001/10/12 02:08:34 ishii Exp $
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*
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* NOTES
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* The script catalog/genbki.sh reads this file and generates .bki
@@ -2140,10 +2140,14 @@ DESCR("return portion of string");
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21412141
/* for multi-byte support */
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2143-
/*oldencodingnames - back compatibility only */
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/*return databaseencodingname */
21442144
DATA(insertOID=1039 (getdatabaseencodingPGUID12ftft0f19"0"10000100getdatabaseencoding- ));
21452145
DESCR("encoding name of current database");
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2147+
/* return client encoding name i.e. session encoding */
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DATA(insertOID=810 (pg_client_encodingPGUID12ftft0f19"0"10000100pg_client_encoding- ));
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DESCR("encoding name of current database");
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21472151
DATA(insertOID=1717 (convertPGUID12ftft2f25"25 19"10000100pg_convert- ));
21482152
DESCR("convert string with specified destination encoding name");
21492153

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