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feat: add list_versions to typescript, rust and remote python sdks (#1850)
Will require update to lance dependency to bring in this change which makes the version serializable https://github.com/lancedb/lance/pull/3143
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@@ -87,6 +87,12 @@ export interface OptimizeOptions {
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deleteUnverified: boolean;
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}
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export interface Version {
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version: number;
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timestamp: Date;
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metadata: Record<string, string>;
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}
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/**
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* A Table is a collection of Records in a LanceDB Database.
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*
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@@ -360,6 +366,11 @@ export abstract class Table {
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*/
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abstract checkoutLatest(): Promise<void>;
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/**
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* List all the versions of the table
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*/
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abstract listVersions(): Promise<Version[]>;
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/**
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* Restore the table to the currently checked out version
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*
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@@ -659,6 +670,14 @@ export class LocalTable extends Table {
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await this.inner.checkoutLatest();
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}
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async listVersions(): Promise<Version[]> {
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return (await this.inner.listVersions()).map((version) => ({
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version: version.version,
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timestamp: new Date(version.timestamp / 1000),
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metadata: version.metadata,
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}));
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}
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async restore(): Promise<void> {
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await this.inner.restore();
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}
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@@ -12,6 +12,8 @@
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::collections::HashMap;
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use arrow_ipc::writer::FileWriter;
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use lancedb::ipc::ipc_file_to_batches;
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use lancedb::table::{
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@@ -226,6 +228,28 @@ impl Table {
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self.inner_ref()?.checkout_latest().await.default_error()
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}
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#[napi(catch_unwind)]
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pub async fn list_versions(&self) -> napi::Result<Vec<Version>> {
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self.inner_ref()?
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.list_versions()
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.await
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.map(|versions| {
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versions
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.iter()
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.map(|version| Version {
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version: version.version as i64,
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timestamp: version.timestamp.timestamp_micros(),
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metadata: version
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.metadata
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.iter()
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.map(|(k, v)| (k.clone(), v.clone()))
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.collect(),
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})
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.collect()
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})
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.default_error()
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}
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#[napi(catch_unwind)]
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pub async fn restore(&self) -> napi::Result<()> {
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self.inner_ref()?.restore().await.default_error()
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@@ -466,3 +490,10 @@ impl From<lancedb::index::IndexStatistics> for IndexStatistics {
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}
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}
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}
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#[napi(object)]
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pub struct Version {
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pub version: i64,
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pub timestamp: i64,
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pub metadata: HashMap<String, String>,
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}
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