postgresql plugin: Format time in ISO 8601 format when writing data.

This way, the value may directly be used as a timestamp value in PostgreSQL.

diff --git a/src/postgresql.c b/src/postgresql.c
index d6e04a8..7bc450e 100644 (file)
--- a/src/postgresql.c
+++ b/src/postgresql.c
@@ -658,7 +658,7 @@ static int c_psql_write (const data_set_t *ds, const value_list_t *vl,
 {
        c_psql_database_t *db;
 
-       char time_str[1024];
+       char time_str[32];
        char values_name_str[1024];
        char values_str[1024];
 
@@ -676,8 +676,10 @@ static int c_psql_write (const data_set_t *ds, const value_list_t *vl,
        assert (db->database != NULL);
        assert (db->writers != NULL);
 
-       ssnprintf (time_str, sizeof (time_str),
-                       "%f", CDTIME_T_TO_DOUBLE (vl->time));
+       if (cdtime_to_iso8601 (time_str, sizeof (time_str), vl->time) == 0) {
+               log_err ("c_psql_write: Failed to convert time to ISO 8601 format");
+               return -1;
+       }
 
        if (values_name_to_sqlarray (ds,
                                values_name_str, sizeof (values_name_str)) == NULL)