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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/11/23 07:59:55 UTC
[GitHub] [incubator-doris] HappenLee opened a new issue #4937: [Proposal] Support more column type in schema change
HappenLee opened a new issue #4937:
URL: https://github.com/apache/incubator-doris/issues/4937
**Is your feature request related to a problem? Please describe.**
Now Doris support schema change column type:
```
TINYINT/SMALLINT/INT/BIGINT is converted to TINYINT/SMALLINT/INT/BIGINT/DOUBLE.
Convert VARCHAR to TINYINT/SMALLINT/INT/BIGINT/LARGEINT/FLOAT/DOUBLE.
Convert VARCHAR to DATE (currently support six formats: "%Y-%m-%d", "%y-%m-%d", "%Y%m%d", "%y%m%d", "%Y/%m/%d, "%y/%m/%d")
```
we should support:
```
TINYINT/SMALLINT/INT/BIGINT/LARGEINT/FLOAT/DOUBLE convert to a wider range of numeric types
Convert CHAR to TINYINT/SMALLINT/INT/BIGINT/LARGEINT/FLOAT/DOUBLE.
Convert CHAR to DATE (currently support six formats: "%Y-%m-%d", "%y-%m-%d", "%Y%m%d", "%y%m%d", "%Y/%m/%d, "%y/%m/%d")
```
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[GitHub] [incubator-doris] HappenLee closed issue #4937: [Proposal] Support more column type in schema change
Posted by GitBox <gi...@apache.org>.
HappenLee closed issue #4937:
URL: https://github.com/apache/incubator-doris/issues/4937
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