Pg to bun (#148)

* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes

vendor/github.com/uptrace/bun/internal/time.go

@@ -0,0 +1,41 @@
+package internal
+
+import (
+	"fmt"
+	"time"
+)
+
+const (
+	dateFormat         = "2006-01-02"
+	timeFormat         = "15:04:05.999999999"
+	timestampFormat    = "2006-01-02 15:04:05.999999999"
+	timestamptzFormat  = "2006-01-02 15:04:05.999999999-07:00:00"
+	timestamptzFormat2 = "2006-01-02 15:04:05.999999999-07:00"
+	timestamptzFormat3 = "2006-01-02 15:04:05.999999999-07"
+)
+
+func ParseTime(s string) (time.Time, error) {
+	switch l := len(s); {
+	case l < len("15:04:05"):
+		return time.Time{}, fmt.Errorf("bun: can't parse time=%q", s)
+	case l <= len(timeFormat):
+		if s[2] == ':' {
+			return time.ParseInLocation(timeFormat, s, time.UTC)
+		}
+		return time.ParseInLocation(dateFormat, s, time.UTC)
+	default:
+		if s[10] == 'T' {
+			return time.Parse(time.RFC3339Nano, s)
+		}
+		if c := s[l-9]; c == '+' || c == '-' {
+			return time.Parse(timestamptzFormat, s)
+		}
+		if c := s[l-6]; c == '+' || c == '-' {
+			return time.Parse(timestamptzFormat2, s)
+		}
+		if c := s[l-3]; c == '+' || c == '-' {
+			return time.Parse(timestamptzFormat3, s)
+		}
+		return time.ParseInLocation(timestampFormat, s, time.UTC)
+	}
+}