Alter remove column properties and TTLs#14742
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* master: (375 commits) Update type-conversion-functions.md Update maxmap.md Update maxmap.md Update maxmap.md Update single_fixed_string_groupby.xml Alter remove column properties and TTLs (ClickHouse#14742) better fixed string group by support Fix incorrect key condition of fixed strings. constant output order more tests for ClickHouse#14646 Maybe fix MSan report in base64 Proper exception message for wrong number of arguments of CAST Added a test Fix buffer overflow in "bar" function Update convertMySQLDataType.cpp Fix clang-tidy Remove obsolete code from performance test Slightly better code Even more Even more ... # Conflicts: # src/Interpreters/Context.cpp
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* ldap-any-user-authentication: (781 commits) Remove extra declaration Synchronize the code with respect to IAccessStorage::login() functionality Update type-conversion-functions.md Update maxmap.md Update maxmap.md Update maxmap.md Update single_fixed_string_groupby.xml Alter remove column properties and TTLs (ClickHouse#14742) better fixed string group by support Fix incorrect key condition of fixed strings. constant output order more tests for ClickHouse#14646 Maybe fix MSan report in base64 Proper exception message for wrong number of arguments of CAST Added a test Fix buffer overflow in "bar" function Update convertMySQLDataType.cpp Fix clang-tidy Remove obsolete code from performance test Slightly better code ... # Conflicts: # src/Access/ContextAccess.cpp # src/Access/ContextAccess.h # src/Access/ExternalAuthenticators.h # src/Access/LDAPAccessStorage.cpp # src/Access/LDAPClient.h # src/Access/LDAPParams.h # src/Common/ErrorCodes.cpp # src/Interpreters/Context.cpp # src/Interpreters/Context.h
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Add the ability to remove column properties and table TTLs. Introduced queries
ALTER TABLE MODIFY COLUMN col_name REMOVE what_to_removeandALTER TABLE REMOVE TTL. Both operations are lightweight and executed at the metadata level.