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feat(table): execute a primary-key vector search over engine-planned splits#771

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feat(table): execute a primary-key vector search over engine-planned splits #771

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c05703b
feat(table): execute a primary-key vector search over engine-planned …
JunRuiLee Sep 1, 2026
da0b20b
fix(table): keep a bucket split's unrestricted files off the filtered…
JunRuiLee Sep 2, 2026
048eb80
refactor(table): let a vector search return splits, and an ordinary r…
JunRuiLee Sep 3, 2026
6eed70e
fix(table): harden vector search edge cases
JunRuiLee Sep 4, 2026
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6 changes: 6 additions & 0 deletions bindings/c/src/result.rs
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Original file line numberDiff line numberDiff line change
Expand Up@@ -120,6 +120,12 @@ pub struct paimon_result_vector_search_builder {
pub error: *mut paimon_error,
}

#[repr(C)]
pub struct paimon_result_vector_search_splits {
pub splits: *mut paimon_vector_search_splits,
pub error: *mut paimon_error,
}

// === Write/Commit result types ===

#[repr(C)]
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8 changes: 6 additions & 2 deletions bindings/c/src/table.rs
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Expand Up@@ -675,6 +675,7 @@ pub unsafe extern "C" fn paimon_read_builder_new_read(
table: state.table.clone(),
read_type: table_read.read_type().to_vec(),
data_predicates: table_read.data_predicates().to_vec(),
filter: state.filter.clone(),
};
paimon_result_new_read {
read: box_table_read_state(read_state),
Expand DownExpand Up@@ -906,7 +907,9 @@ pub unsafe extern "C" fn paimon_table_read_to_arrow(
/// ArrowArray and ArrowSchema container structs.
///
/// # Safety
/// `reader` must be a valid pointer from `paimon_table_read_to_arrow`, or null (returns error).
/// `reader` must be a valid pointer from `paimon_table_read_to_arrow`,
/// `paimon_table_read_to_arrow_indexed`, or
/// `paimon_vector_search_builder_execute_read`, or null (returns error).
#[no_mangle]
pub unsafe extern "C" fn paimon_record_batch_reader_next(
reader: *mut paimon_record_batch_reader,
Expand DownExpand Up@@ -975,7 +978,8 @@ pub unsafe extern "C" fn paimon_record_batch_reader_next(
/// Free a paimon_record_batch_reader.
///
/// # Safety
/// Only call with a reader returned from `paimon_table_read_to_arrow` or
/// Only call with a reader returned from `paimon_table_read_to_arrow`,
/// `paimon_table_read_to_arrow_indexed`, or
/// `paimon_vector_search_builder_execute_read`.
#[no_mangle]
pub unsafe extern "C" fn paimon_record_batch_reader_free(reader: *mut paimon_record_batch_reader) {
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