fixed bug where variable length data wouldn't load correctly (#424)

Author: mollybsmith-noaa

METdbLoad/ush/constants.py

@@ -727,6 +727,7 @@
 
     if line_type in VAR_LINE_TYPES_TCST:
         LINE_DATA_COLS_TCST[line_type] = [LINE_DATA_ID] + LINE_DATA_COLS_TCST[line_type]
+        LINE_DATA_FIELDS[line_type] = [LINE_DATA_ID] + LINE_DATA_FIELDS[line_type]
 
     # For each line type, create insert queries
     VALUE_SLOTS = '%s, ' * len(LINE_DATA_FIELDS[line_type])
@@ -773,6 +774,7 @@
 
     if line_type in VAR_LINE_TYPES:
         LINE_DATA_COLS[line_type] = [LINE_DATA_ID] + LINE_DATA_COLS[line_type]
+        LINE_DATA_FIELDS[line_type] = [LINE_DATA_ID] + LINE_DATA_FIELDS[line_type]
 
     # For each line type, create insert queries
     VALUE_SLOTS = '%s, ' * len(LINE_DATA_FIELDS[line_type])

METdbLoad/ush/run_sql.py

@@ -184,7 +184,7 @@ def write_to_sql(raw_data, col_list, sql_table, sql_query, tmp_dir, sql_cur, loc
                             str)
                         raw_data['fcst_init'] = raw_data['fcst_init'].astype(
                             str)
-                    else:
+                    elif 'fcst_valid_beg' in raw_data:
                         raw_data['fcst_valid_beg'] = raw_data[
                             'fcst_valid_beg'].astype(str)
                         raw_data['fcst_valid_end'] = raw_data[