Tracking: Inverted index

[b41sh]

Summary

• read/write inverted index data
• add inverted index file locations to snapshot file
• create/drop/refresh inverted index
• pruning segments and blocks using inverted index
• support sync refresh index after insert
• support search functions(match, query, score)
• support search with multiple fields and boosts
• support index option filters and index record option
• json item inverted index, make your column more schemaless
• support Chinese tokenizer
• optimize memory usage
• merge small indexes when refresh
• support refresh run in cluster mode
• feat: add inverted index pruning status #15175
• show indexes show inverted index

related to #14505