chore: import upstream snapshot with attribution

server/plpgsql/notice.go

@@ -0,0 +1,61 @@
+// Copyright 2025 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package plpgsql
+
+// NoticeLevel represents the severity, or level, of a notice created by a RAISE statement.
+type NoticeLevel uint8
+
+const (
+	NoticeLevelDebug     NoticeLevel = 14
+	NoticeLevelLog       NoticeLevel = 15
+	NoticeLevelInfo      NoticeLevel = 17
+	NoticeLevelNotice    NoticeLevel = 18
+	NoticeLevelWarning   NoticeLevel = 19
+	NoticeLevelException NoticeLevel = 21
+)
+
+// String returns a string representation of this NoticeLevel.
+func (nl NoticeLevel) String() string {
+	switch nl {
+	case NoticeLevelDebug:
+		return "DEBUG"
+	case NoticeLevelLog:
+		return "LOG"
+	case NoticeLevelInfo:
+		return "INFO"
+	case NoticeLevelNotice:
+		return "NOTICE"
+	case NoticeLevelWarning:
+		return "WARNING"
+	case NoticeLevelException:
+		return "EXCEPTION"
+	default:
+		return "UNKNOWN"
+	}
+}
+
+// NoticeOptionType represents the type of option specified for a notice in the USING clause of a RAISE statement.
+type NoticeOptionType uint8
+
+const (
+	NoticeOptionTypeErrCode    NoticeOptionType = 0
+	NoticeOptionTypeMessage    NoticeOptionType = 1
+	NoticeOptionTypeDetail     NoticeOptionType = 2
+	NoticeOptionTypeHint       NoticeOptionType = 3
+	NoticeOptionTypeConstraint NoticeOptionType = 5
+	NoticeOptionTypeDataType   NoticeOptionType = 6
+	NoticeOptionTypeTable      NoticeOptionType = 7
+	NoticeOptionTypeSchema     NoticeOptionType = 8
+)