formatting.h

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/* -----------------------------------------------------------------------
 * formatting.h
 *
 * src/include/utils/formatting.h
 *
 *
 *   Portions Copyright (c) 1999-2021, PostgreSQL Global Development Group
 *
 *   The PostgreSQL routines for a DateTime/int/float/numeric formatting,
 *   inspired by the Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
 *
 *   Karel Zak
 *
 * -----------------------------------------------------------------------
 */
 
#ifndef _FORMATTING_H_
#define _FORMATTING_H_
 
#include "utils/date.h"
 
// extern char *str_tolower(const char *buff, size_t nbytes, Oid collid);
// extern char *str_toupper(const char *buff, size_t nbytes, Oid collid);
// extern char *str_initcap(const char *buff, size_t nbytes, Oid collid);
 
extern char *asc_tolower(const char *buff, size_t nbytes);
extern char *asc_toupper(const char *buff, size_t nbytes);
extern char *asc_initcap(const char *buff, size_t nbytes);
 
extern text *pg_timestamp_to_char(Timestamp dt, text *fmt);
extern text *pg_timestamptz_to_char(TimestampTz dt, text *fmt);
extern text *pg_interval_to_char(Interval *it, text *fmt);
 
extern TimestampTz pg_to_timestamp(text *date_txt, text *fmt);
extern DateADT pg_to_date(text *date_txt, text *fmt);
 
// extern Datum parse_datetime(text *date_txt, text *fmt, Oid collid, bool strict,
//                          Oid *typid, int32 *typmod, int *tz, bool *have_error);
 
#endif