greenplumn utf8_and_euc2004 源码

2022-08-18
浏览 (228)

greenplumn utf8_and_euc2004 代码

文件路径：/src/backend/utils/mb/conversion_procs/utf8_and_euc2004/utf8_and_euc2004.c

/*-------------------------------------------------------------------------
 *
 *	  EUC_JIS_2004 <--> UTF8
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * IDENTIFICATION
 *	  src/backend/utils/mb/conversion_procs/utf8_and_euc2004/utf8_and_euc2004.c
 *
 *-------------------------------------------------------------------------
 */

#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"
#include "../../Unicode/euc_jis_2004_to_utf8.map"
#include "../../Unicode/utf8_to_euc_jis_2004.map"

PG_MODULE_MAGIC;

PG_FUNCTION_INFO_V1(euc_jis_2004_to_utf8);
PG_FUNCTION_INFO_V1(utf8_to_euc_jis_2004);

/* ----------
 * conv_proc(
 *		INTEGER,	-- source encoding id
 *		INTEGER,	-- destination encoding id
 *		CSTRING,	-- source string (null terminated C string)
 *		CSTRING,	-- destination string (null terminated C string)
 *		INTEGER		-- source string length
 * ) returns VOID;
 * ----------
 */
Datum
euc_jis_2004_to_utf8(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);

	CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_JIS_2004, PG_UTF8);

	LocalToUtf(src, len, dest,
			   &euc_jis_2004_to_unicode_tree,
			   LUmapEUC_JIS_2004_combined, lengthof(LUmapEUC_JIS_2004_combined),
			   NULL,
			   PG_EUC_JIS_2004);

	PG_RETURN_VOID();
}

Datum
utf8_to_euc_jis_2004(PG_FUNCTION_ARGS)
{
	unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
	unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
	int			len = PG_GETARG_INT32(4);

	CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_EUC_JIS_2004);

	UtfToLocal(src, len, dest,
			   &euc_jis_2004_from_unicode_tree,
			   ULmapEUC_JIS_2004_combined, lengthof(ULmapEUC_JIS_2004_combined),
			   NULL,
			   PG_EUC_JIS_2004);

	PG_RETURN_VOID();
}

相关信息

greenplumn 源码目录

相关文章

greenplumn adminpack 源码

greenplumn verify_nbtree 源码

greenplumn auth_delay 源码

greenplumn auto_explain 源码

greenplumn blcost 源码

greenplumn blinsert 源码

greenplumn bloom 源码

greenplumn blscan 源码

greenplumn blutils 源码

greenplumn blvacuum 源码

0 赞

所属分类： 大数据
本文标签： greenplum
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/1678ea5198424f1fa308860560505ab9

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 flink kafka connector scan.startup.mode 的几个选项
7、 openharmony
8、 golang
9、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
10、 Vue中input框自动聚焦

Loading...