From e2225e82672f08e16219bb5be2a7aeab39afb184 Mon Sep 17 00:00:00 2001
From: Paul Buetow <pbuetow@mimecast.com>
Date: Thu, 2 Jul 2020 14:42:09 +0100
Subject: add lacks string operator, lacks is the opposite of contains. e.g.:
 not contains

---
 internal/mapr/wherecondition.go |  5 +++++
 samples/dtail.schema.json       | 23 +++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/internal/mapr/wherecondition.go b/internal/mapr/wherecondition.go
index 5ca3c44..3ca9103 100644
--- a/internal/mapr/wherecondition.go
+++ b/internal/mapr/wherecondition.go
@@ -18,6 +18,7 @@ const (
 	StringEq            QueryOperation = iota
 	StringNe            QueryOperation = iota
 	StringContains      QueryOperation = iota
+	StringNotContains   QueryOperation = iota
 	FloatOperation      QueryOperation = iota
 	FloatEq             QueryOperation = iota
 	FloatNe             QueryOperation = iota
@@ -99,6 +100,8 @@ func makeWhereConditions(tokens []token) (where []whereCondition, err error) {
 			wc.Operation = StringNe
 		case "contains":
 			wc.Operation = StringContains
+		case "lacks":
+			wc.Operation = StringNotContains
 		default:
 			return wc, nil, errors.New(invalidQuery + "Unknown operation in 'where' clause: " + whereOp)
 		}
@@ -187,6 +190,8 @@ func (wc *whereCondition) stringClause(lValue string, rValue string) bool {
 		return lValue != rValue
 	case StringContains:
 		return strings.Contains(lValue, rValue)
+	case StringNotContains:
+		return !strings.Contains(lValue, rValue)
 	default:
 		logger.Error("Unknown string operation", lValue, wc.Operation, rValue)
 	}
diff --git a/samples/dtail.schema.json b/samples/dtail.schema.json
index 68db788..73807fc 100755
--- a/samples/dtail.schema.json
+++ b/samples/dtail.schema.json
@@ -43,6 +43,29 @@
             }
           }
         },
+        "Monitor": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "properties": {
+              "Name": {
+                "type": "string"
+              },
+              "Enable": {
+                "type": "boolean"
+              },
+              "Files": {
+                "type": "string"
+              },
+              "Outfile": {
+                "type": "string"
+              },
+              "Query": {
+                "type": "string"
+              }
+            }
+          }
+        },
         "HostKeyFile": {
           "type": "string"
         },
-- 
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