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- /*-------------------------------------------------------------------------
- *
- * varlena.h
- * Functions for the variable-length built-in types.
- *
- * Portions Copyright (c) 1996-2022, 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, text *pattern_text,
- text *replace_text,
- int cflags, Oid collation,
- int search_start, int n);
- #endif
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