{"header":{"message":"Cleanup + inter-process concurrency","description":null,"timestamp":"2021-02-01T20:50:54.939929165Z","authors":[{"full_name":"Pierre-Étienne Meunier","name":"pmeunier"}]},"hash":"YWFYZNLZ5JHLIFVBRKZK4TSWVPROUPRG77ZB5M7UHT2OKPL4ZSRQC","authors":[],"deps":{"hashes":[["YWFYZNLZ5JHLIFVBRKZK4TSWVPROUPRG77ZB5M7UHT2OKPL4ZSRQC","Cleanup + inter-process concurrency"],["AA",null],["PXF3R6SVXJXN2NMLMWNY5OFV5QYVE2VZTLGIZDZVK5ZVLFTVSSWQC","Improving test coverage for btree::cursor"],["X3QVVQIS7B7L3XYZAWL3OOBUXOJ6RMOKQ45YMLLGAHYPEEKZ45ZAC","More debugging (del seems to work now)"],["YXKP4AIWDBIWBBUDWF66YIPG5ECMHNKEV3PX6KYXOVXY3EWG3WGQC","New file locks, with multiple sets of free pages"],["WS4ZQM4RMIHZ6XZKSDQJGHN5SSSWFL4H236USOPUA33S6RC53RFAC","Debugging, tests, etc."],["OP6SVMOD2GTQ7VNJ4E5KYFG4MIYA7HBMXJTADALMZH4PY7OQRMZQC","Resetting history"],["ONES3V466GLO5CXKRF5ENK7VFOQPWM3YXLVRGWB56V5SH3W7XNBQC","reference counting works for 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txn).unwrap();\n"}]}},{"Edit":{"inode":{"change":5,"pos":11},"path":"sanakirja/src/tests.rs","line":159,"atom":{"EdgeMap":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":9979},"to":{"change":5,"start":5977,"end":6021},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":5977},"to":{"change":5,"start":5977,"end":6021},"introduced_by":5}],"inode":{"change":5,"pos":11}}},"contents":[{"Del":" let now = std::time::SystemTime::now();\n"}]}},{"Replacement":{"inode":{"change":5,"pos":11},"path":"sanakirja/src/tests.rs","line":224,"ins":{"up_context":[{"change":5,"pos":7976}],"down_context":[{"change":5,"pos":8001}],"flag":"BLOCK","start":1668,"end":1694,"inode":{"change":5,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":7976},"to":{"change":5,"start":7976,"end":8001},"introduced_by":5}],"inode":{"change":5,"pos":11}},"ins_contents":[{"Add":" db: &Db_,"}],"del_contents":[{"Del":" db: &Db,\n"}]}},{"Edit":{"inode":{"change":5,"pos":11},"path":"sanakirja/src/tests.rs","line":248,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":8740}],"down_context":[],"flag":"BLOCK","start":1695,"end":2690,"inode":{"change":5,"pos":11}}},"contents":[{"Add":""},{"Add":""},{"Add":"#[cfg(target_family=\"unix\")]"},{"Add":"#[test]"},{"Add":"fn multi_txn() {"},{"Add":" env_logger::try_init().unwrap_or(());"},{"Add":" std::fs::remove_dir_all(\"/tmp/sanakirja0\").unwrap_or(());"},{"Add":" std::fs::create_dir_all(\"/tmp/sanakirja0\").unwrap();"},{"Add":" let env = Env::new(\"/tmp/sanakirja0\", 4096 * 20, 2).unwrap();"},{"Add":" let mut txn = Env::mut_txn_begin(&env).unwrap();"},{"Add":" debug!(\"txn.root = {:?}\", txn.env.root);"},{"Add":" let mut db = create_db::, u64, ()>(&mut txn).unwrap();"},{"Add":" debug!(\"db = {:?}\", db.db.offset);"},{"Add":" txn.set_root(0, db.db.offset);"},{"Add":" txn.commit().unwrap();"},{"Add":" debug!(\"1. commit done\");"},{"Add":" let mut txn = Env::mut_txn_begin(&env).unwrap();"},{"Add":" debug!(\"txn.root = {:?}\", txn.env.root);"},{"Add":" let db: Db<_, u64, ()> = txn.root_db(0).unwrap().unwrap();"},{"Add":" debug!(\"txn.root = {:?}\", db);"},{"Add":" txn.commit().unwrap();"},{"Add":" debug!(\"2. commit done\");"},{"Add":" let mut txn = Env::mut_txn_begin(&env).unwrap();"},{"Add":" debug!(\"txn.root = {:?}\", txn.env.root);"},{"Add":" txn.commit().unwrap();"},{"Add":" debug!(\"commit done\");"},{"Add":"}"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":6,"ins":{"up_context":[{"change":5,"pos":80263}],"down_context":[{"change":5,"pos":37172}],"flag":"BLOCK","start":2691,"end":2750,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":80263},"to":{"change":4,"start":0,"end":58},"introduced_by":4}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":"impl, T> std::fmt::Debug for MutTxn {"}],"del_contents":[{"Del":"impl, T> std::fmt::Debug for MutTxn {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":14,"ins":{"up_context":[{"change":4,"pos":98}],"down_context":[{"change":5,"pos":80352}],"flag":"BLOCK","start":2751,"end":2774,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":98},"to":{"change":5,"start":80340,"end":80352},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":80340},"to":{"change":5,"start":80340,"end":80352},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" pub(crate) env: E,"}],"del_contents":[{"Del":" env: 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self.parent.roots.resize(n + 1, 0u64)"},{"Add":" }"},{"Add":" self.parent.roots[n] = r"},{"Add":" }"},{"Add":" }"}]}},{"Edit":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":94,"atom":{"EdgeMap":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":578},"to":{"change":5,"start":82455,"end":82513},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":82455},"to":{"change":5,"start":82455,"end":82513},"introduced_by":5}],"inode":{"change":5,"pos":80166}}},"contents":[{"Del":" debug!(\"{:?} {:?}\", v, env_.roots.len());\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":95,"ins":{"up_context":[{"change":4,"pos":623}],"down_context":[{"change":5,"pos":82513}],"flag":"BLOCK","start":3116,"end":3227,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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8);"}],"del_contents":[{"Del":" std::ptr::copy_nonoverlapping(page_ptr, next_page_ptr, PAGE_SIZE);\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":133,"ins":{"up_context":[{"change":5,"pos":83993}],"down_context":[{"change":5,"pos":84026}],"flag":"BLOCK","start":3330,"end":3365,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":83993},"to":{"change":5,"start":83993,"end":84026},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" roots: Vec::new(),"}],"del_contents":[{"Del":" roots: [0; 508],\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":142,"ins":{"up_context":[{"change":5,"pos":84183}],"down_context":[{"change":5,"pos":84279}],"flag":"BLOCK","start":3366,"end":3434,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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= maps[0].ptr.offset((PAGE_SIZE * *root) as isize) as *mut GlobalHeader;\n"}]}},{"Edit":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":170,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":85507}],"down_context":[{"change":5,"pos":85507}],"flag":"BLOCK","start":3519,"end":3933,"inode":{"change":5,"pos":80166}}},"contents":[{"Add":" let root_dbs = std::slice::from_raw_parts_mut("},{"Add":" maps[0].ptr.add(*root * PAGE_SIZE + GLOBAL_HEADER_SIZE) as *mut u64,"},{"Add":" N_ROOTS,"},{"Add":" );"},{"Add":" for (&r, rr) in self.roots.iter().zip(root_dbs.iter_mut()) {"},{"Add":" debug!(\"root_db: {:?}\", rr as *mut u64);"},{"Add":" debug!(\"committing root: {:?} {:?}\", r, rr);"},{"Add":" *rr = r"},{"Add":" }"},{"Add":""}]}},{"Edit":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":200,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":86111}],"down_context":[{"change":5,"pos":86111}],"flag":"BLOCK","start":3934,"end":4033,"inode":{"change":5,"pos":80166}}},"contents":[{"Add":" if self.roots.get(num).is_none() {"},{"Add":" self.roots.resize(num + 1, 0u64);"},{"Add":" }"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":219,"ins":{"up_context":[{"change":5,"pos":86537}],"down_context":[{"change":5,"pos":86624}],"flag":"BLOCK","start":4034,"end":4093,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":86537},"to":{"change":5,"start":86537,"end":86624},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" let mut db: btree::Db = btree::Db {"}],"del_contents":[{"Del":" let mut db: btree::Db> = btree::Db {\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":259,"ins":{"up_context":[{"change":5,"pos":38235}],"down_context":[{"change":5,"pos":88385}],"flag":"BLOCK","start":4094,"end":4260,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":38235},"to":{"change":5,"start":38235,"end":38334},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":38334},"to":{"change":5,"start":88311,"end":88331},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":88311},"to":{"change":5,"start":88311,"end":88331},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":88331},"to":{"change":5,"start":38335,"end":38418},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" let page = MutPage(CowPage { data, offset });"},{"Add":" self.occupied_owned_pages"},{"Add":" .push(MutPage(CowPage { data, offset }));"}],"del_contents":[{"Del":" let page = MutPage(CowPage {\n data,\n offset,\n"},{"Del":" });\n"},{"Del":" self.occupied_owned_pages.push(MutPage(CowPage { data, offset }));\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":286,"ins":{"up_context":[{"change":5,"pos":1934}],"down_context":[{"change":5,"pos":1935}],"flag":"BLOCK","start":4261,"end":4292,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":5,"pos":1934},"to":{"change":5,"start":38850,"end":38880},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":38850},"to":{"change":5,"start":38850,"end":38880},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" return Ok(());"}],"del_contents":[{"Del":" return Ok(())\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":316,"ins":{"up_context":[{"change":5,"pos":2243}],"down_context":[{"change":5,"pos":2244}],"flag":"BLOCK","start":4293,"end":4324,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":5,"pos":2243},"to":{"change":5,"start":39361,"end":39391},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":89846},"to":{"change":5,"start":39361,"end":39391},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" return Ok(());"}],"del_contents":[{"Del":" return Ok(())\n"}]}},{"Replacement":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":346,"ins":{"up_context":[{"change":5,"pos":2408}],"down_context":[{"change":5,"pos":2463}],"flag":"BLOCK","start":4325,"end":4382,"inode":{"change":5,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":2408},"to":{"change":5,"start":2408,"end":2463},"introduced_by":5}],"inode":{"change":5,"pos":80166}},"ins_contents":[{"Add":" debug!(\"put in RC: {:?} {:?}\", rc, off | 2);"}],"del_contents":[{"Del":" debug!(\"put in RC: {:?} {:?}\", rc, off|2);\n"}]}},{"Edit":{"inode":{"change":5,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":376,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":91588}],"down_context":[{"change":5,"pos":91588}],"flag":"BLOCK","start":4383,"end":5511,"inode":{"change":5,"pos":80166}}},"contents":[{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl, T> RootDb for MutTxn {"},{"Add":" fn root_db<"},{"Add":" K: Representable,"},{"Add":" V: Representable,"},{"Add":" >("},{"Add":" &self,"},{"Add":" n: usize,"},{"Add":" ) -> Result>, Error> {"},{"Add":" use sanakirja_core::LoadPage;"},{"Add":" if let Some(db) = self.roots.get(n) {"},{"Add":" Ok(Some(sanakirja_core::btree::Db {"},{"Add":" db: self.load_page(*db)?,"},{"Add":" marker: std::marker::PhantomData,"},{"Add":" }))"},{"Add":" } else {"},{"Add":" unsafe {"},{"Add":" let env = self.env.borrow();"},{"Add":" let db = {"},{"Add":" let root = env.root.lock();"},{"Add":" let maps = env.mmaps.lock();"},{"Add":" *(maps[0].ptr.add(*root * PAGE_SIZE + GLOBAL_HEADER_SIZE + 8 * n) as *mut u64)"},{"Add":" };"},{"Add":" if db != 0 {"},{"Add":" Ok(Some(sanakirja_core::btree::Db {"},{"Add":" db: self.load_page(db)?,"},{"Add":" marker: std::marker::PhantomData,"},{"Add":" }))"},{"Add":" } else {"},{"Add":" Ok(None)"},{"Add":" }"},{"Add":" }"},{"Add":" }"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":2,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":91625},"to":{"change":5,"start":91625,"end":91687},"introduced_by":5}],"inode":{"change":5,"pos":91606}}},"contents":[{"Del":"use parking_lot::lock_api::RawRwLock;\nuse parking_lot::Mutex;\n"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":4,"atom":{"NewVertex":{"up_context":[{"change":4,"pos":1299}],"down_context":[{"change":5,"pos":91733}],"flag":"BLOCK","start":5512,"end":5574,"inode":{"change":5,"pos":91606}}},"contents":[{"Add":"use parking_lot::lock_api::RawRwLock;"},{"Add":"use parking_lot::Mutex;"}]}},{"Replacement":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":7,"ins":{"up_context":[{"change":5,"pos":91734}],"down_context":[{"change":4,"pos":1300}],"flag":"BLOCK","start":5575,"end":5621,"inode":{"change":5,"pos":91606}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":91734},"to":{"change":5,"start":39915,"end":39944},"introduced_by":5}],"inode":{"change":5,"pos":91606}},"ins_contents":[{"Add":"use sanakirja_core::{CowPage, Representable};"}],"del_contents":[{"Del":"use sanakirja_core::CowPage;\n"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":10,"atom":{"NewVertex":{"up_context":[{"change":4,"pos":1326}],"down_context":[{"change":4,"pos":1326}],"flag":"BLOCK","start":5622,"end":5673,"inode":{"change":5,"pos":91606}}},"contents":[{"Add":"#[cfg(feature = \"mmap\")]"},{"Add":"use std::fs::OpenOptions;"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":16,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":1434},"to":{"change":4,"start":1434,"end":1485},"introduced_by":4}],"inode":{"change":5,"pos":91606}}},"contents":[{"Del":"#[cfg(feature = \"mmap\")]\nuse std::fs::OpenOptions;\n"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":49,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":92836},"to":{"change":5,"start":92836,"end":93218},"introduced_by":5}],"inode":{"change":5,"pos":91606}}},"contents":[{"Del":"// Lock order: first take thread locks, then process locks.\n\n// Why are there two synchronization mechanisms?\n// Because we would need to upgrade the read lock into a write lock,\n// and there is no real way to do this with standard mechanisms.\n// So, we take a mutex to make sure no other mutable transaction can start,\n// and then at the time of writing, we also take the RwLock.\n\n"}]}},{"Replacement":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":61,"ins":{"up_context":[{"change":4,"pos":1617}],"down_context":[{"change":5,"pos":93799}],"flag":"BLOCK","start":5674,"end":5709,"inode":{"change":5,"pos":91606}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":1617},"to":{"change":5,"start":93775,"end":93799},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | 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{\n"}]}},{"Replacement":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":134,"ins":{"up_context":[{"change":5,"pos":95677}],"down_context":[{"change":5,"pos":95726}],"flag":"BLOCK","start":5850,"end":5896,"inode":{"change":5,"pos":91606}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":95677},"to":{"change":4,"start":2138,"end":2184},"introduced_by":4}],"inode":{"change":5,"pos":91606}},"ins_contents":[{"Add":" let length = (length + 4095) & !4095;"}],"del_contents":[{"Del":" let length = (length + 4095) & !4096;\n"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":238,"atom":{"EdgeMap":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":3259},"to":{"change":5,"start":99664,"end":99665},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | 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n)))?\n"}]}},{"Replacement":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":267,"ins":{"up_context":[{"change":4,"pos":4230}],"down_context":[{"change":5,"pos":102110}],"flag":"BLOCK","start":5981,"end":6048,"inode":{"change":5,"pos":91606}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":4,"pos":4230},"to":{"change":4,"start":4230,"end":4297},"introduced_by":4}],"inode":{"change":5,"pos":91606}},"ins_contents":[{"Add":" let length = (std::cmp::max(length, 4096) + 4095) & !4095;"}],"del_contents":[{"Del":" let length = (std::cmp::max(length, 4096) + 4095) & !4096;\n"}]}},{"Replacement":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":276,"ins":{"up_context":[{"change":4,"pos":4432}],"down_context":[{"change":5,"pos":102542}],"flag":"BLOCK","start":6049,"end":6116,"inode":{"change":5,"pos":91606}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":4,"pos":4432},"to":{"change":5,"start":102472,"end":102542},"introduced_by":4},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":102472},"to":{"change":5,"start":102472,"end":102542},"introduced_by":5}],"inode":{"change":5,"pos":91606}},"ins_contents":[{"Add":" let length = (std::cmp::max(length, 4096) + 4095) & !4095;"}],"del_contents":[{"Del":" let length = std::cmp::max(length, 4096).next_power_of_two();\n"}]}},{"Edit":{"inode":{"change":5,"pos":91606},"path":"sanakirja/src/environment/mod.rs","line":422,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":106701}],"down_context":[{"change":5,"pos":106701}],"flag":"BLOCK","start":6117,"end":6370,"inode":{"change":5,"pos":91606}}},"contents":[{"Add":"pub trait RootDb: Sized + sanakirja_core::LoadPage {"},{"Add":" fn root_db<"},{"Add":" K: Representable,"},{"Add":" V: Representable,"},{"Add":" >("},{"Add":" &self,"},{"Add":" n: usize,"},{"Add":" ) -> Result>, Self::Error>;"},{"Add":"}"},{"Add":""}]}},{"Edit":{"inode":{"change":5,"pos":107218},"path":"sanakirja/src/environment/global_header.rs","line":1,"atom":{"NewVertex":{"up_context":[{"change":5,"pos":107218}],"down_context":[{"change":5,"pos":107219}],"flag":"BLOCK","start":6371,"end":6446,"inode":{"change":5,"pos":107218}}},"contents":[{"Add":"pub const GLOBAL_HEADER_SIZE: usize = 32;"},{"Add":"pub const N_ROOTS: usize = 508;"},{"Add":""}]}},{"Edit":{"inode":{"change":5,"pos":107218},"path":"sanakirja/src/environment/global_header.rs","line":34,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":5,"pos":108041},"to":{"change":5,"start":108041,"end":108379},"introduced_by":5}],"inode":{"change":5,"pos":107218}}},"contents":[{"Del":" }\n }\n pub fn to_le(&self) -> Self {\n GlobalHeader {\n version: self.version.to_le(),\n root: self.root,\n n_roots: self.n_roots,\n crc: self.crc.to_le(),\n free_db: self.free_db.to_le(),\n length: self.length.to_le(),\n rc_db: self.rc_db.to_le(),\n"}]}}],"owner":"pijul","repo":"sanakirja","token":"qzCncF9OwU93wvScN66XYGi1IrKYJWLIWdw7OLX9I64=","login":null}

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