[feature](view) support create or replace view stmt #40715
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run buildall |
TPC-H: Total hot run time: 39996 ms |
TPC-DS: Total hot run time: 195307 ms |
ClickBench: Total hot run time: 31.53 s |
feiniaofeiafei
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Sep 12, 2024
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PR approved by anyone and no changes requested. |
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run feut |
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run cloud_p0 |
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run feut |
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PR approved by at least one committer and no changes requested. |
morrySnow
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Sep 18, 2024
morningman
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Sep 18, 2024
cambyzju
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Sep 18, 2024
Support `CREATE OR REPLACE VIEW` stmt.
Usage example:
```
mysql> CREATE VIEW IF NOT EXISTS view_test_create_or_replace_view
-> AS SELECT * FROM test_create_or_replace_view_tbl1;
Query OK, 0 rows affected (0.02 sec)
mysql> select * from view_test_create_or_replace_view;
+------+------+------+
| k1 | k2 | v |
+------+------+------+
| 1 | 1 | 1 |
+------+------+------+
1 row in set (0.03 sec)
mysql> CREATE OR REPLACE VIEW view_test_create_or_replace_view
-> AS SELECT * FROM test_create_or_replace_view_tbl2;
Query OK, 0 rows affected (0.01 sec)
mysql> select * from view_test_create_or_replace_view;
+------+------+------+
| k1 | k2 | v |
+------+------+------+
| 2 | 2 | 2 |
+------+------+------+
1 row in set (0.03 sec)
```
yiguolei
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Sep 18, 2024
dataroaring
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Oct 9, 2024
Support `CREATE OR REPLACE VIEW` stmt.
Usage example:
```
mysql> CREATE VIEW IF NOT EXISTS view_test_create_or_replace_view
-> AS SELECT * FROM test_create_or_replace_view_tbl1;
Query OK, 0 rows affected (0.02 sec)
mysql> select * from view_test_create_or_replace_view;
+------+------+------+
| k1 | k2 | v |
+------+------+------+
| 1 | 1 | 1 |
+------+------+------+
1 row in set (0.03 sec)
mysql> CREATE OR REPLACE VIEW view_test_create_or_replace_view
-> AS SELECT * FROM test_create_or_replace_view_tbl2;
Query OK, 0 rows affected (0.01 sec)
mysql> select * from view_test_create_or_replace_view;
+------+------+------+
| k1 | k2 | v |
+------+------+------+
| 2 | 2 | 2 |
+------+------+------+
1 row in set (0.03 sec)
```
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morrySnow
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May 20, 2025
this problem intro by apache#40715, when do replace view, full schema do not be set correctly. So view's schema will lost after replace.
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morrySnow
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koarz
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Jun 4, 2025
### What problem does this PR solve? Related PR: apache#40715 Problem Summary: this problem intro by apache#40715, when do replace view, full schema do not be set correctly. So view's schema will lost after replace.
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Support
CREATE OR REPLACE VIEWstmt.Usage example: