Display only 9 not 10 digits of precision for timestamp values when

using non-integer timestamps.  This prevents the display of rounding
errors for common values like days < 32.

diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
index 6028d0d48734f55237dedbd2db5885de41c6062a..7e4a0a9e5d3e827aab6f970997fa901669fd8557 100644 (file)
--- a/src/backend/utils/adt/datetime.c
+++ b/src/backend/utils/adt/datetime.c
@@ -3461,7 +3461,7 @@ EncodeTimeOnly(struct pg_tm * tm, fsec_t fsec, int *tzp, int style, char *str)
 #ifdef HAVE_INT64_TIMESTAMP
                sprintf(str + strlen(str), ":%02d.%06d", tm->tm_sec, fsec);
 #else
-               sprintf(str + strlen(str), ":%013.10f", tm->tm_sec + fsec);
+               sprintf(str + strlen(str), ":%012.9f", tm->tm_sec + fsec);
 #endif
                /* chop off trailing pairs of zeros... */
                while (strcmp((str + strlen(str) - 2), "00") == 0 &&
@@ -3804,7 +3804,7 @@ EncodeInterval(struct pg_tm * tm, fsec_t fsec, int style, char *str)
                                        sprintf(cp, ".%06d", Abs(fsec));
 #else
                                        fsec += tm->tm_sec;
-                                       sprintf(cp, ":%013.10f", fabs(fsec));
+                                       sprintf(cp, ":%012.9f", fabs(fsec));
 #endif
                                        TrimTrailingZeros(cp);
                                        cp += strlen(cp);

diff --git a/src/interfaces/ecpg/pgtypeslib/interval.c b/src/interfaces/ecpg/pgtypeslib/interval.c
index 2e644f14c19060951ff2eb6134d810a8214028b6..5e229f64cc1e9bcaa5dec23b3c4d6488c32f8cda 100644 (file)
--- a/src/interfaces/ecpg/pgtypeslib/interval.c
+++ b/src/interfaces/ecpg/pgtypeslib/interval.c
@@ -511,7 +511,7 @@ EncodeInterval(struct tm * tm, fsec_t fsec, int style, char *str)
                                        sprintf(cp, ".%06d", (fsec >= 0) ? fsec : -(fsec));
 #else
                                        fsec += tm->tm_sec;
-                                       sprintf(cp, ":%013.10f", fabs(fsec));
+                                       sprintf(cp, ":%012.9f", fabs(fsec));
 #endif
                                        TrimTrailingZeros(cp);
                                        cp += strlen(cp);