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[Feature] Support bitmap_and_not & bitmap_and_not_count (#6910)

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Support bitmap_and_not & bitmap_and_not_count.
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Pxl
2021-11-01 10:11:54 +08:00
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docs/en/sql-reference/sql-functions/bitmap-functions/bitmap_and_not.md Normal file
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---
{
"title": "bitmap_and_not",
"language": "en"
}
---
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
# bitmap_and_not
## description
### Syntax
`BITMAP BITMAP_AND_NOT(BITMAP lhs, BITMAP rhs)`
Calculate the set after lhs minus intersection of two input bitmaps, return the new bitmap.
## example
```
mysql> select bitmap_count(bitmap_and_not(bitmap_from_string('1,2,3'),bitmap_from_string('3,4,5'))) cnt;
+------+
| cnt |
+------+
| 2 |
+------+
```
## keyword
BITMAP_AND_NOT,BITMAP

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docs/en/sql-reference/sql-functions/bitmap-functions/bitmap_and_not_count.md Normal file
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---
{
"title": "bitmap_and_not_count",
"language": "en"
}
---
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
# bitmap_and_not_count
## description
### Syntax
`BITMAP BITMAP_AND_NOT_COUNT(BITMAP lhs, BITMAP rhs)`
Calculate the set after lhs minus intersection of two input bitmaps, return the new bitmap size.
## example
```
mysql> select bitmap_and_not_count(bitmap_from_string('1,2,3'),bitmap_from_string('3,4,5')) cnt;
+------+
| cnt |
+------+
| 2 |
+------+
```
## keyword
BITMAP_AND_NOT_COUNT,BITMAP