[CASSANDRA-9424] Schema Improvements

• Type: Improvement
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Fix Version/s: 5.x
• Component/s: Legacy/Distributed Metadata
• Assignee: Unassigned
• Reporter: Aleksey Yeschenko
• Created: 19/May/15 16:20
• Updated: 07/Mar/23 10:54

Description

C* schema code is both more brittle and less efficient than I'd like it to be. This ticket will aggregate the improvement tickets to go into 3.X and 4.X to improve the situation.

Issue Links

• is duplicated by: CASSANDRA-8916 com.datastax.driver.core.exceptions.AlreadyExistsException: Keyspace <keysapce-name> already exists
• supercedes: CASSANDRA-9933 column name mismatch

Sub-Tasks

• Modernize schema tables: Resolved
• Support schema changes in mixed version clusters: Open
• Make node-local schema fully immutable: Resolved
• Expose builtin-in CQL functions via schema data dictionary: Open
• Provide a per-table text->blob map for storing extra metadata: Resolved
• Change CREATE TABLE syntax for compression options: Resolved
• Serialize table schema as a sstable component: Open
• Improve handling of UDF and UDA metadata: Resolved
• Make schema alterations strongly consistent: Open
• eclipse-warnings on CASSANDRA-9425: Resolved
• Make all DDL statements idempotent and not dependent on global state: Resolved
• Make pulling schema from remote nodes more lightweight: Open