varlena.h 1.5 KB

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  1. /*-------------------------------------------------------------------------
  2. *
  3. * varlena.h
  4. * Functions for the variable-length built-in types.
  5. *
  6. * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
  7. * Portions Copyright (c) 1994, Regents of the University of California
  8. *
  9. * src/include/utils/varlena.h
  10. *
  11. *-------------------------------------------------------------------------
  12. */
  13. #ifndef VARLENA_H
  14. #define VARLENA_H
  15. #include "nodes/pg_list.h"
  16. #include "utils/sortsupport.h"
  17. extern int varstr_cmp(const char *arg1, int len1, const char *arg2, int len2, Oid collid);
  18. extern void varstr_sortsupport(SortSupport ssup, Oid typid, Oid collid);
  19. extern int varstr_levenshtein(const char *source, int slen,
  20. const char *target, int tlen,
  21. int ins_c, int del_c, int sub_c,
  22. bool trusted);
  23. extern int varstr_levenshtein_less_equal(const char *source, int slen,
  24. const char *target, int tlen,
  25. int ins_c, int del_c, int sub_c,
  26. int max_d, bool trusted);
  27. extern List *textToQualifiedNameList(text *textval);
  28. extern bool SplitIdentifierString(char *rawstring, char separator,
  29. List **namelist);
  30. extern bool SplitDirectoriesString(char *rawstring, char separator,
  31. List **namelist);
  32. extern bool SplitGUCList(char *rawstring, char separator,
  33. List **namelist);
  34. extern text *replace_text_regexp(text *src_text, text *pattern_text,
  35. text *replace_text,
  36. int cflags, Oid collation,
  37. int search_start, int n);
  38. #endif