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db_include/utils/varlena.h

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+/*-------------------------------------------------------------------------
+ *
+ * varlena.h
+ *	  Functions for the variable-length built-in types.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/varlena.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef VARLENA_H
+#define VARLENA_H
+
+#include "nodes/pg_list.h"
+#include "utils/sortsupport.h"
+
+extern int	varstr_cmp(const char *arg1, int len1, const char *arg2, int len2, Oid collid);
+extern void varstr_sortsupport(SortSupport ssup, Oid typid, Oid collid);
+extern int	varstr_levenshtein(const char *source, int slen,
+							   const char *target, int tlen,
+							   int ins_c, int del_c, int sub_c,
+							   bool trusted);
+extern int	varstr_levenshtein_less_equal(const char *source, int slen,
+										  const char *target, int tlen,
+										  int ins_c, int del_c, int sub_c,
+										  int max_d, bool trusted);
+extern List *textToQualifiedNameList(text *textval);
+extern bool SplitIdentifierString(char *rawstring, char separator,
+								  List **namelist);
+extern bool SplitDirectoriesString(char *rawstring, char separator,
+								   List **namelist);
+extern bool SplitGUCList(char *rawstring, char separator,
+						 List **namelist);
+extern text *replace_text_regexp(text *src_text, void *regexp,
+								 text *replace_text, bool glob);
+
+#endif