"This patch series adds CQL front-end support for secondary indices. You
can now execute CREATE INDEX and DROP INDEX statements, which will
update the newly added "Indexes" system table. However, the indexes are
not actually backed up by anything nor are they available for CQL
queries. The feature is hidden behind a new cluster feature flag and
enabled only with the "--experimental" flag."
* 'penberg/cql-2i/v2' of github.com:cloudius-systems/seastar-dev: (34 commits)
schema: Kill index_type enum
schema: Kill index_info class
cql3/statements/create_index_statement: Use database::existing_index_names() in validation
cql3/statements: Use secondary index manager in alter_table_statement class
index: Add secondary_index_manager
thrift/handler: Use index_metadata
db/schema_tables: Index persistence
schema: Add all_indices() to schema class
schema: Remove add_default_index_names() from schema_builder class
db/schema_tables: Add system table for indices
cql3/Cgl.g: DROP INDEX
cql3/statements: Add drop_index_statement class
database: Add find_indexed_table() to database class
cql3: Return change event from announce_migration()
cql3/statements: Multiple index targets for CREATE INDEX
cql3/statements: Use index_metadata in create_index_statement class
cql3/statements: Use feature flag in create_index_statement class
service/storage_service: Add feature flag for secondary indices
database: Add get_available_index_name() to database class
schema: Add get_default_index_name() to index_metadata class
...
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