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Posted to commits@hudi.apache.org by yi...@apache.org on 2022/04/28 05:51:57 UTC
[hudi] branch asf-site updated: [MINOR] Add schema type change matrix for schema evolution doc (#5446)
This is an automated email from the ASF dual-hosted git repository.
yihua pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/hudi.git
The following commit(s) were added to refs/heads/asf-site by this push:
new 83437abbf6 [MINOR] Add schema type change matrix for schema evolution doc (#5446)
83437abbf6 is described below
commit 83437abbf67ae502edcfab91db9a72938dbccc7d
Author: xiarixiaoyao <me...@qq.com>
AuthorDate: Thu Apr 28 13:51:48 2022 +0800
[MINOR] Add schema type change matrix for schema evolution doc (#5446)
---
website/docs/schema_evolution.md | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/website/docs/schema_evolution.md b/website/docs/schema_evolution.md
index 101623147f..4830d8a1d1 100644
--- a/website/docs/schema_evolution.md
+++ b/website/docs/schema_evolution.md
@@ -113,15 +113,15 @@ ALTER TABLE table1 ALTER COLUMN a.b.c DROP NOT NULL
**column type change**
-| old_type | new_type |
-|:-----------------|:---------------------------------|
-| int | long/float/double/string/decimal |
-| long | double/string/decimal |
-| float | double/String/decimal |
-| double | string/decimal |
-| decimal | decimal/string |
-| string | decimal/date |
-| date | string |
+| Source\Target | long | float | double | string | decimal | date | int |
+|--------------------|-------|-------|--------|--------|---------|------|-----|
+| int | Y | Y | Y | Y | Y | N | Y |
+| long | Y | N | Y | Y | Y | N | N |
+| float | N | Y | Y | Y | Y | N | N |
+| double | N | N | Y | Y | Y | N | N |
+| decimal | N | N | N | Y | Y | N | N |
+| string | N | N | N | Y | Y | Y | N |
+| date | N | N | N | Y | N | Y | N |
### Deleting Columns
**Syntax**