From bc70c1fb163367e76eae40e989fa894fdffc574d Mon Sep 17 00:00:00 2001
From: Mike Farah <mikefarah@gmail.com>
Date: Sun, 16 May 2021 14:18:18 +1000
Subject: [PATCH] Added blank alias example

---
 pkg/yqlib/doc/Anchor and Alias Operators.md | 16 ++++++++++++++++
 pkg/yqlib/operator_anchors_aliases_test.go  |  8 ++++++++
 2 files changed, 24 insertions(+)

diff --git a/pkg/yqlib/doc/Anchor and Alias Operators.md b/pkg/yqlib/doc/Anchor and Alias Operators.md
index dfbdc924..ecfa272c 100644
--- a/pkg/yqlib/doc/Anchor and Alias Operators.md	
+++ b/pkg/yqlib/doc/Anchor and Alias Operators.md	
@@ -169,6 +169,22 @@ b: &meow purr
 a: *meow
 ```
 
+## Set alias to blank does nothing
+Given a sample.yml file of:
+```yaml
+b: &meow purr
+a: cat
+```
+then
+```bash
+yq eval '.a alias = ""' sample.yml
+```
+will output
+```yaml
+b: &meow purr
+a: cat
+```
+
 ## Set alias relatively using assign-update
 Given a sample.yml file of:
 ```yaml
diff --git a/pkg/yqlib/operator_anchors_aliases_test.go b/pkg/yqlib/operator_anchors_aliases_test.go
index bdb24ab2..a611c750 100644
--- a/pkg/yqlib/operator_anchors_aliases_test.go
+++ b/pkg/yqlib/operator_anchors_aliases_test.go
@@ -90,6 +90,14 @@ var anchorOperatorScenarios = []expressionScenario{
 			"D0, P[], (doc)::{b: &meow purr, a: *meow}\n",
 		},
 	},
+	{
+		description: "Set alias to blank does nothing",
+		document:    `{b: &meow purr, a: cat}`,
+		expression:  `.a alias = ""`,
+		expected: []string{
+			"D0, P[], (doc)::{b: &meow purr, a: cat}\n",
+		},
+	},
 	{
 		skipDoc:    true,
 		document:   `{b: &meow purr, a: cat}`,