在弹性搜索的索引中,我将以下内容列为json-doc
当前
{
"bar": {
"bar": [{
"bar": [{
"bar": [{
"foo": "Y111111111111"
}
]
}
]
}
}}
更新所需
{
"bar": {
"bar": [{
"bar": [{
"bar": [{
"foo": "111111111111"
}
]
}
]
}
}}
我该如何更新索引以去掉字符串中等于bar的第一个字符?
我尝试了以下适用于单个字段的语法,但在数组字段上运行时收到异常
{
"error": {
"root_cause": [
{
"type": "script_exception",
"reason": "runtime error",
"script_stack": [
"ctx._source.foo = ctx._source.foo.substring(1);",
" ^---- HERE"
],
"script": "ctx._source.foo = ctx._source.foo.substring(1);",
"lang": "painless"
}
],
"type": "script_exception",
"reason": "runtime error",
"script_stack": [
"ctx._source.foo = ctx._source.foo.substring(1);",
" ^---- HERE"
],
"script": "ctx._source.foo = ctx._source.foo.substring(1);",
"lang": "painless",
"caused_by": {
"type": "illegal_argument_exception",
"reason": "Illegal list shortcut value [foo]."
}
},
"status": 400
}
POST test/_update_by_query
{
"query": {
"prefix": {
"foo": "Y"
}
},
"script": {
"source": "ctx._source.foo = ctx._source.foo.substring(1);"
}
映射
{
"TEST": {
"mappings": {
"properties": {
"bar": {
"properties": {
"bar": {
"properties": {
"bar: {
"properties": {
"bar": {
"properties": {
"foo": {
"type": "keyword"
}
}
}
}
}
}
}
}
}
}
}
}
}
我会按如下方式进行。查找foo
字段以Y
开头的所有文档,然后通过剥离第一个字符更新所有foo
字段:
POST test/_update_by_query
{
"query": {
"prefix": {
"bar.bar.bar.bar.foo": "Y"
}
},
"script": {
"source": "ctx._source.bar.bar[0].bar[0].bar[0].foo = ctx._source.bar.bar[0].bar[0].bar[0].foo.substring(1);"
}
}
PS:查询将取决于您的bar
字段是否嵌套,但如果没有嵌套,则上述查询应该有效。