The 9th alpha resease of OrioleDB incorporates the following changes.

• INHERITS support
• validate_at_utility eliminated
• cmd validation moved to utility hook
• all index creation moved to o_define_index_validate and o_define_index hooks
• table creation splited between object_access_hook and o_define_relation
• defvals and missing always created for o_table now
• tupdesc validation removed
• ALTER NOT NULL moved from validate_at_utility to hook
• drop column moved from validate_at_utility to hook
• Add column with non volatile functions fixed
• create_table fix
• cached rd_opcoptions reset added after primary key addition/deletion
• o_sys_cache_search_datoid set during table descr recreation on replica
• expression index with COLLATE in parentheses fixed
• EXPLAIN ANALYZE CREATE TABLE AS fix
• cached rd_opcoptions reset added after primary key addition/deletion
• transformCreateStmt wrong elements fix
• Fixed support of TOASTed compressed columns
• test, assert and fix for saved_undo_locations cleanup
• Check for self-modification during lock
• INHERITS enabled and basic support added
• Fix assigning ctid to slot during insertion
• NULL descr use in tts_orioledb_getsomeattrs fixed
• ALTER INDEX as ALTER TABLE alias fixed
• Fix rel naming in parallel scan text
• Parallel sequential scan of B-trees
• SQL function support
• Explain different formats support and tests added
• self_modified triggers tests fixed
• CREATE TABLE AS support and tests added
• Refactor the B-tree sequential scan
• Trigger error if OrioleDB function is called for a non-relevant relation
• Fix insertion order in o_tbl_indices_insert()
• Refactor o_tbl_indices_insert()
• Fix doc/recovery_distribute.svg image
• Fix some edge cases in B-tree scan
• Fix undo record during delete
• Fix length assert checking in deserialize_o_table()
• Add $.commit parameter to 'before_apply_undo' stop event
• Fix handling of column ddl in recovery and replication
• The detailed description of OrioleDB checkpointing algorithm
• Fix clean_chain_has_locks_flag() during recovery
• Fix wrong overriding of formatFlags in undo records
• Fastpath check for InvalidOPageChangeCount refind_page()
• Various documentation improvements and fixes
• Various tests improvements and fixes