feat: support for deletion (#219)

Also upgrades Arrow and Lance.

node/src/index.ts

@@ -22,7 +22,7 @@ import { fromRecordsToBuffer } from './arrow'
 import type { EmbeddingFunction } from './embedding/embedding_function'
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
-const { databaseNew, databaseTableNames, databaseOpenTable, tableCreate, tableSearch, tableAdd, tableCreateVectorIndex, tableCountRows } = require('../native.js')
+const { databaseNew, databaseTableNames, databaseOpenTable, tableCreate, tableSearch, tableAdd, tableCreateVectorIndex, tableCountRows, tableDelete } = require('../native.js')
 
 export type { EmbeddingFunction }
 export { OpenAIEmbeddingFunction } from './embedding/openai'
@@ -185,6 +185,15 @@ export class Table<T = number[]> {
   async countRows (): Promise<number> {
     return tableCountRows.call(this._tbl)
   }
+
+  /**
+   * Delete rows from this table.
+   *
+   * @param filter The filter to be applied to this table.
+   */
+  async delete (filter: string): Promise<void> {
+    return tableDelete.call(this._tbl, filter)
+  }
 }
 
 interface IvfPQIndexConfig {

node/src/test/test.ts

@@ -147,6 +147,17 @@ describe('LanceDB client', function () {
       await table.overwrite(dataOver)
       assert.equal(await table.countRows(), 2)
     })
+
+    it('can delete records from a table', async function () {
+      const uri = await createTestDB()
+      const con = await lancedb.connect(uri)
+
+      const table = await con.openTable('vectors')
+      assert.equal(await table.countRows(), 2)
+
+      await table.delete('price = 10')
+      assert.equal(await table.countRows(), 1)
+    })
   })
 
   describe('when creating a vector index', function () {