[Doc][Vectorized] Add vectorized execution engine docs #8358
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It is better to redraw those two images, the source of those two images is unknown |
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had set quoted from [Column-Oriented |
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| 2. 不支持原有行存执行引擎的`UDF`与`UDAF`。 | ||
| 3. 不支持将between语句改写为复合判断语句，会导致以下报错：`BetweenPredicate needs to be rewritten into a CompoundPredicate`。 | ||
| 4. 不支持`TupleIsNull`函数，可能会导致部分外连接并带有非Nullable函数计算的表达式无法得到所需的NULL值。 | ||
| 5. `string/text`类型最大长度支持为1MB，而不是默认的2GB。 |
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| 5. `string/text`类型最大长度支持为1MB，而不是默认的2GB。 | |
| 5. `string/text`类型最大长度支持为1MB，而不是默认的2GB。即当开启向量化引擎后，将无法查询或导入大于1MB的字符串。但如果关闭向量化引擎，则依然可以正常查询和导入。 |
| 3. 不支持将between语句改写为复合判断语句，会导致以下报错：`BetweenPredicate needs to be rewritten into a CompoundPredicate`。 | ||
| 4. 不支持`TupleIsNull`函数，可能会导致部分外连接并带有非Nullable函数计算的表达式无法得到所需的NULL值。 | ||
| 5. `string/text`类型最大长度支持为1MB，而不是默认的2GB。 | ||
| 6. 不支持output in file的导出方式。 |
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| 6. 不支持output in file的导出方式。 | |
| 6. 不支持 `select ... into outfile` 的导出方式。 |
| 5. `string/text`类型最大长度支持为1MB，而不是默认的2GB。 | ||
| 6. 不支持output in file的导出方式。 | ||
| 7. 不支持lateral view | ||
| 8. 不支持extrenal brocker外表 |
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| 8. 不支持extrenal brocker外表 | |
| 8. 不支持extrenal broker外表 |
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revise done |
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
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