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-rw-r--r--src/include/utils/datetime.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/include/utils/datetime.h b/src/include/utils/datetime.h
index 2cae346beb0..934cb56a3a5 100644
--- a/src/include/utils/datetime.h
+++ b/src/include/utils/datetime.h
@@ -296,7 +296,7 @@ extern int ParseDateTime(const char *timestr, char *workbuf, size_t buflen,
extern int DecodeDateTime(char **field, int *ftype,
int nf, int *dtype,
struct pg_tm *tm, fsec_t *fsec, int *tzp);
-extern int DecodeTimezone(char *str, int *tzp);
+extern int DecodeTimezone(const char *str, int *tzp);
extern int DecodeTimeOnly(char **field, int *ftype,
int nf, int *dtype,
struct pg_tm *tm, fsec_t *fsec, int *tzp);
@@ -322,10 +322,10 @@ extern void EncodeSpecialTimestamp(Timestamp dt, char *str);
extern int ValidateDate(int fmask, bool isjulian, bool is2digits, bool bc,
struct pg_tm *tm);
-extern int DecodeTimezoneAbbrev(int field, char *lowtoken,
+extern int DecodeTimezoneAbbrev(int field, const char *lowtoken,
int *offset, pg_tz **tz);
-extern int DecodeSpecial(int field, char *lowtoken, int *val);
-extern int DecodeUnits(int field, char *lowtoken, int *val);
+extern int DecodeSpecial(int field, const char *lowtoken, int *val);
+extern int DecodeUnits(int field, const char *lowtoken, int *val);
extern int j2day(int date);