52 lines
1.3 KiB
Markdown
52 lines
1.3 KiB
Markdown
---
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{
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"title": "DROP FILE",
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"language": "zh-CN"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# DROP FILE
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## description
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该语句用于删除一个已上传的文件。
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语法：
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DROP FILE "file_name" [FROM database]
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[properties]
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说明：
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file_name: 文件名。
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database: 文件归属的某一个 db，如果没有指定，则使用当前 session 的 db。
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properties 支持以下参数:
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catalog: 必须。文件所属分类。
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## example
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1. 删除文件 ca.pem
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DROP FILE "ca.pem" properties("catalog" = "kafka");
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## keyword
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DROP,FILE
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