Update API to handle the multiple formats of datetime Postgres might use.

api/src/main/nim/personal_measure_apipkg/db_util.nim

@@ -2,7 +2,10 @@ import json, macros, options, sequtils, strutils, times, timeutils, unicode,
   uuids
 
 const UNDERSCORE_RUNE = "_".toRunes[0]
-const PG_TIMESTAMP_FORMAT = "yyyy-MM-dd HH:mm:sszz"
+const PG_TIMESTAMP_FORMATS = [
+  "yyyy-MM-dd HH:mm:sszz",
+  "yyyy-MM-dd HH:mm:ss'.'fffzz"
+]
 
 type
   MutateClauses* = object
@@ -62,6 +65,13 @@ proc dbFormat*[T](item: T): string = return $item
 type DbArrayParseState = enum
   expectStart, inQuote, inVal, expectEnd
 
+proc parsePGDatetime*(val: string): DateTime =
+  var errStr = ""
+  for df in PG_TIMESTAMP_FORMATS:
+    try: return val.parse(df)
+    except: errStr &= "\n" & getCurrentExceptionMsg()
+  raise newException(ValueError, "Cannot parse PG date. Tried:" & errStr)
+
 proc parseDbArray*(val: string): seq[string] =
   result = newSeq[string]()
 
@@ -129,7 +139,7 @@ proc createParseStmt*(t, value: NimNode): NimNode =
       result = quote do: parseUUID(`value`)
 
     elif t.getType == DateTime.getType:
-      result = quote do: `value`.parse(PG_TIMESTAMP_FORMAT)
+      result = quote do: parsePGDatetime(`value`)
 
     elif t.getTypeInst == Option.getType:
       let innerType = t.getTypeImpl[2][0][0][1]