greenplumn uri 源码
greenplumn uri 代码
文件路径：/src/include/utils/uri.h
/*-------------------------------------------------------------------------
*
* uri.h
* Definitions for URI strings
*
* Portions Copyright (c) 2007-2008, Greenplum inc
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/utils/uri.h
*
*-------------------------------------------------------------------------
*/
#ifndef URI_H
#define URI_H
typedef enum UriProtocol
{
URI_FILE,
URI_FTP,
URI_HTTP,
URI_GPFDIST,
URI_CUSTOM,
URI_GPFDISTS
} UriProtocol;
#define PROTOCOL_FILE "file://"
#define PROTOCOL_FTP "ftp://"
#define PROTOCOL_HTTP "http://"
#define PROTOCOL_GPFDIST "gpfdist://"
#define PROTOCOL_GPFDISTS "gpfdists://"
/*
* sometimes we don't want to parse the whole URI but just take a peek at
* which protocol it is. We can use these macros to do just that.
*/
#define IS_FILE_URI(uri_str) (pg_strncasecmp(uri_str, PROTOCOL_FILE, strlen(PROTOCOL_FILE)) == 0)
#define IS_HTTP_URI(uri_str) (pg_strncasecmp(uri_str, PROTOCOL_HTTP, strlen(PROTOCOL_HTTP)) == 0)
#define IS_GPFDIST_URI(uri_str) (pg_strncasecmp(uri_str, PROTOCOL_GPFDIST, strlen(PROTOCOL_GPFDIST)) == 0)
#define IS_GPFDISTS_URI(uri_str) (pg_strncasecmp(uri_str, PROTOCOL_GPFDISTS, strlen(PROTOCOL_GPFDISTS)) == 0)
#define IS_FTP_URI(uri_str) (pg_strncasecmp(uri_str, PROTOCOL_FTP, strlen(PROTOCOL_FTP)) == 0)
typedef struct Uri
{
UriProtocol protocol;
char *hostname;
int port;
char *path;
char *customprotocol;
} Uri;
extern Uri *ParseExternalTableUri(const char *uri);
extern void FreeExternalTableUri(Uri *uri);
#endif /* URI_H */
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