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db_include/utils/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_
+
+
+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 Datum parse_datetime(text *date_txt, text *fmt, Oid collid, bool strict,
+							Oid *typid, int32 *typmod, int *tz,
+							bool *have_error);
+
+#endif