greenplumn string_utils 源码

2022-08-18
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greenplumn string_utils 代码

文件路径：/src/include/fe_utils/string_utils.h

/*-------------------------------------------------------------------------
 *
 * String-processing utility routines for frontend code
 *
 * Utility functions that interpret backend output or quote strings for
 * assorted contexts.
 *
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/fe_utils/string_utils.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef STRING_UTILS_H
#define STRING_UTILS_H

#include "libpq-fe.h"
#include "pqexpbuffer.h"

/* Global variables controlling behavior of fmtId() and fmtQualifiedId() */
extern int	quote_all_identifiers;
extern PQExpBuffer (*getLocalPQExpBuffer) (void);

/* Functions */
extern const char *fmtId(const char *identifier);
extern const char *fmtQualifiedId(const char *schema, const char *id);

extern char *formatPGVersionNumber(int version_number, bool include_minor,
								   char *buf, size_t buflen);

extern char *formatPGVersionNumber(int version_number, bool include_minor,
					  char *buf, size_t buflen);

extern void appendStringLiteral(PQExpBuffer buf, const char *str,
								int encoding, bool std_strings);
extern void appendStringLiteralConn(PQExpBuffer buf, const char *str,
									PGconn *conn);
extern void appendStringLiteralDQ(PQExpBuffer buf, const char *str,
								  const char *dqprefix);
extern void appendByteaLiteral(PQExpBuffer buf,
							   const unsigned char *str, size_t length,
							   bool std_strings);

extern void appendShellString(PQExpBuffer buf, const char *str);
extern bool appendShellStringNoError(PQExpBuffer buf, const char *str);
extern void appendConnStrVal(PQExpBuffer buf, const char *str);
extern void appendPsqlMetaConnect(PQExpBuffer buf, const char *dbname);

extern bool parsePGArray(const char *atext, char ***itemarray, int *nitems);
extern void appendPGArray(PQExpBuffer buffer, const char *value);

extern bool appendReloptionsArray(PQExpBuffer buffer, const char *reloptions,
								  const char *prefix, int encoding, bool std_strings);

extern bool processSQLNamePattern(PGconn *conn, PQExpBuffer buf,
								  const char *pattern,
								  bool have_where, bool force_escape,
								  const char *schemavar, const char *namevar,
								  const char *altnamevar, const char *visibilityrule);

#endif							/* STRING_UTILS_H */

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本文标签： greenplum
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