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use fst for sstable index (#2268)

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* read path for new fst based index

* implement BlockAddrStoreWriter

* extract slop/derivation computation

* use better linear approximator and allow negative correction to approximator

* document format and reorder some fields

* optimize single block sstable size

* plug backward compat
This commit is contained in:
trinity-1686a
2023-12-04 15:13:15 +01:00
committed by GitHub
parent 0b56c88e69
commit 9ebc5ed053
10 changed files with 1086 additions and 323 deletions
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4
columnar/src/tests.rs
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@@ -26,7 +26,7 @@ fn test_dataframe_writer_str() {
assert_eq!(columnar.num_columns(), 1);
let cols: Vec<DynamicColumnHandle> = columnar.read_columns("my_string").unwrap();
assert_eq!(cols.len(), 1);
assert_eq!(cols[0].num_bytes(), 87);
assert_eq!(cols[0].num_bytes(), 73);
}
#[test]
@@ -40,7 +40,7 @@ fn test_dataframe_writer_bytes() {
assert_eq!(columnar.num_columns(), 1);
let cols: Vec<DynamicColumnHandle> = columnar.read_columns("my_string").unwrap();
assert_eq!(cols.len(), 1);
assert_eq!(cols[0].num_bytes(), 87);
assert_eq!(cols[0].num_bytes(), 73);
}
#[test]