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Fixed delete bug

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This commit is contained in:
Mike Farah 2021-02-04 13:47:59 +11:00
parent 0816e16d30
commit 3c466dc66e
3 changed files with 42 additions and 13 deletions
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10
pkg/yqlib/context.go
View File

@ -42,3 +42,13 @@ func (n *Context) ChildContext(results *list.List) Context {
clone.MatchingNodes = results
return clone
}
func (n *Context) Clone() Context {
clone := Context{}
err := copier.Copy(&clone, n)
if err != nil {
log.Error("Error cloning context :(")
panic(err)
}
return clone
}

29
pkg/yqlib/operator_delete.go
View File

@ -7,8 +7,9 @@ import (
)
func deleteChildOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
nodesToDelete, err := d.GetMatchingNodes(context, expressionNode.Rhs)
contextToUse := context.Clone()
contextToUse.DontAutoCreate = true
nodesToDelete, err := d.GetMatchingNodes(contextToUse, expressionNode.Rhs)
if err != nil {
return Context{}, err
@ -17,19 +18,21 @@ func deleteChildOperator(d *dataTreeNavigator, context Context, expressionNode *
for el := nodesToDelete.MatchingNodes.Back(); el != nil; el = el.Prev() {
candidate := el.Value.(*CandidateNode)
deleteImmediateChildOp := &Operation{
OperationType: deleteImmediateChildOpType,
Value: candidate.Path[len(candidate.Path)-1],
}
if len(candidate.Path) > 0 {
deleteImmediateChildOp := &Operation{
OperationType: deleteImmediateChildOpType,
Value: candidate.Path[len(candidate.Path)-1],
}
deleteImmediateChildOpNode := &ExpressionNode{
Operation: deleteImmediateChildOp,
Rhs: createTraversalTree(candidate.Path[0:len(candidate.Path)-1], traversePreferences{}),
}
deleteImmediateChildOpNode := &ExpressionNode{
Operation: deleteImmediateChildOp,
Rhs: createTraversalTree(candidate.Path[0:len(candidate.Path)-1], traversePreferences{}),
}
_, err := d.GetMatchingNodes(context, deleteImmediateChildOpNode)
if err != nil {
return Context{}, err
_, err := d.GetMatchingNodes(contextToUse, deleteImmediateChildOpNode)
if err != nil {
return Context{}, err
}
}
}
return context, nil

16
pkg/yqlib/operator_delete_test.go
View File

@ -53,6 +53,22 @@ var deleteOperatorScenarios = []expressionScenario{
"D0, P[], (doc)::a: [x, x]\n",
},
},
{
skipDoc: true,
document: `a: {thing1: yep, thing2: cool, thing3: hi, b: {thing1: cool, great: huh}}`,
expression: `del(..)`,
expected: []string{
"D0, P[], (!!map)::{}\n",
},
},
{
skipDoc: true,
document: `a: {thing1: yep, thing2: cool, thing3: hi, b: {thing1: cool, great: huh}}`,
expression: `del(.. | select(tag == "!!map") | (.b.thing1,.thing2))`,
expected: []string{
"D0, P[], (!!map)::a: {thing1: yep, thing3: hi, b: {great: huh}}\n",
},
},
{
description: "Delete nested entry in array",
document: `[{a: cat, b: dog}]`,