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13a64d8ab2
This PR removes all code that used classes `restriction`, `restrictions` and their children. There were two fields in `statement_restrictions` that needed to be dealt with: `_clustering_columns_restrictions` and `_nonprimary_key_restrictions`. Each function was reimplemented to operate on the new expression representaiion and eventually these fields weren't needed anymore. After that the restriction classes weren't used anymore and could be deleted as well. Now all of the code responsible for analyzing WHERE clause and planning a query works on expressions. Closes #11069 * github.com:scylladb/scylla: cql3: Remove all remaining restrictions code cql3: Move a function from restrictions class to the test cql3: Remove initial_key_restrictions cql3: expr: Remove convert_to_restriction cql3: Remove _new from _new_nonprimary_key_restrictions cql3: Remove _nonprimary_key_restrictions field cql3: Reimplement uses of _nonprimary_key_restrictions using expression cql3: Keep a map of single column nonprimary key restrictions cql3: Remove _new from _new_clustering_columns_restrictions cql3: Remove _clustering_columns_restrictions from statement_restrictions cql3: Use a variable instead of dynamic cast cql3: Use the new map of single column clustering restrictions cql3: Keep a map of single column clustering key restrictions cql3: Return an expression in get_clustering_columns_restrctions() cql3: Reimplement _clustering_columns_restrictions->has_supporting_index() cql3: Don't create single element conjunction cql3: Add expr::index_supports_some_column cql3: Reimplement has_unrestricted_components() cql3: Reimplement _clustering_columns_restrictions->need_filtering() cql3: Reimplement num_prefix_columns_that_need_not_be_filtered cql3: Use the new clustering restrictions field instead of ->expression cql3: Reimplement _clustering_columns_restrictions->size() using expressions cql3: Reimplement _clustering_columns_restrictions->get_column_defs() using expressions cql3: Reimplement _clustering_columns_restrictions->is_all_eq() using expressions cql3: expr: Add has_only_eq_binops function cql3: Reimplement _clustering_columns_restrictions->empty() using expressions