(datasketches-rust) 02/08: CompressedState and UncompressedState

[ti...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

tison pushed a commit to branch compression
in repository https://gitbox.apache.org/repos/asf/datasketches-rust.git

commit 568b63cf8f4af3fe8c6092c61c669deeddfc01f7
Author: tison <wa...@gmail.com>
AuthorDate: Wed Feb 4 15:33:22 2026 +0800

    CompressedState and UncompressedState
    
    Signed-off-by: tison <wa...@gmail.com>
---
 datasketches/src/cpc/compression.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/datasketches/src/cpc/compression.rs b/datasketches/src/cpc/compression.rs
index 11463f6..8d3a15f 100644
--- a/datasketches/src/cpc/compression.rs
+++ b/datasketches/src/cpc/compression.rs
@@ -15,6 +15,22 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use crate::cpc::pair_table::PairTable;
+
+pub(super) struct CompressedState {
+    table_data: Vec<u32>,
+    table_data_words: u32,
+    // can be different from the number of entries in the sketch in hybrid mode
+    table_num_entries: u32,
+    window_data: Vec<u32>,
+    window_data_words: u32,
+}
+
+pub(super) struct UncompressedState {
+    table: PairTable,
+    window: Vec<u8>,
+}
+
 /// Notice that there are only 65 symbols here, which is different from our usual 8->12 coding
 /// scheme which handles 256 symbols.
 pub(super) static LENGTH_LIMITED_UNARY_ENCODING_TABLE65: [u16; 65] = [


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