Implementation of Tag. #444
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We implement tag in this commit. Tag can be attached to target database object, which maybe database, user, schema, table etc. Tag has allowed values, when we attach one tag to target object, we should specify this tag's value which must be in allowed values array, otherwise will error out. To use it, we will illustrate some example as following: CREATE TAG tag_example allowed_values '123', 'abc'; CREATE USER tag_user; ALTER USER tag_user TAG (tag_example = '123'); ALTER TAG tag_example ADD ALLOWED_VALUES 'def'; ALTER TAG tag_example DROP ALLOWED_VALUES 'abc'; Authored-by: Zhang Wenchao zwcpostgres@gmail.com
As there are three ao/aocs tables in the prevent_ao_wal isolation2 test, the expected results of wal are not stable after VACUUM. We fix this by truncate unrelated table in lockmodes test. Authored-by: Zhang Wenchao zwcpostgres@gmail.com
my-ship-it
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Jul 23, 2024
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fix #ISSUE_Number
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