{ "name": "pick", "about": { "trial": false, "author": { "name": "EMQ", "email": "contact@emqx.io", "company": "EMQ Technologies Co., Ltd", "website": "https://www.emqx.io" }, "helpUrl": { "en_US": "https://github.com/lf-edge/ekuiper/blob/master/docs/en_US/sqls/query_language_elements.md", "zh_CN": "https://github.com/lf-edge/ekuiper/blob/master/docs/zh_CN/sqls/query_language_elements.md" }, "description": { "en_US": "An operation to pick the selected fields.", "zh_CN": "用于选取字段的操作" } }, "properties": [{ "name": "fields", "default": "", "optional": false, "control": "list", "type": "list_string", "hint": { "en_US": "select fields", "zh_CN": "选取字段" }, "label": { "en_US": "Fields", "zh_CN": "字段" } }], "node": { "display": true, "category": "operator", "input": { "type": "any", "rowType": "any", "collectionType": "any" }, "output": { "type": "same", "strategy": "pick" }, "icon": "iconPath", "label": { "en": "Pick", "zh": "选择" } } }