57 lines
1.4 KiB
Markdown
57 lines
1.4 KiB
Markdown
---
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{
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"title": "DIGITAL-MASKING",
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"language": "en"
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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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# DIGITAL_MASKING
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## description
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### Syntax
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```
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digital_masking(digital_number)
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```
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Alias function, the original function is `concat(left(id,3),'****',right(id,4))`.
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Desensitizes the input `digital_number` and returns the result after masking desensitization. `digital_number` is `BIGINT` data type.
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## example
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1. Desensitize the cell phone number
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```sql
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mysql> select digital_masking(13812345678);
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+------------------------------+
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| digital_masking(13812345678) |
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+------------------------------+
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| 138****5678 |
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+------------------------------+
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```
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## keyword
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DIGITAL_MASKING
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