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]

api/src/main/sql/migrations/20190214122514-initial-schema-up.sql

@@ -14,8 +14,8 @@ create table "api_tokens" (
   id uuid default uuid_generate_v4() primary key,
   user_id uuid not null references users (id) on delete cascade on update cascade,
   name varchar not null,
-  created timestamp with time zone not null default current_timestamp,
-  expires timestamp with time zone default null,
+  created timestamp(0) with time zone not null default current_timestamp,
+  expires timestamp(0) with time zone default null,
   hashed_token varchar not null
 );
 
@@ -33,7 +33,7 @@ create table "measurements" (
   id uuid default uuid_generate_v4() primary key,
   measure_id uuid not null references measures (id) on delete cascade on update cascade,
   value integer not null,
-  "timestamp" timestamp with time zone not null default current_timestamp,
+  "timestamp" timestamp(0) with time zone not null default current_timestamp,
   ext_data jsonb not null default '{}'::json
 );
 
@@ -44,7 +44,7 @@ create table client_log_entries (
   "scope" varchar not null,
   message varchar not null,
   stacktrace varchar not null,
-  "timestamp" timestamp with time zone not null default current_timestamp
+  "timestamp" timestamp(0) with time zone not null default current_timestamp
 );
 
 create index client_log_entries_by_level on client_log_entries ("level");