Refactor TS client to use interface + implementation pattern (#226)

## What?
* Changed `Connection` and `Table` to interfaces
* Renamed original `Connection` and `Table` to `LocalConnection` and
`LocalTable`
This commit is contained in:
Rob Meng
2023-06-27 21:45:01 -04:00
committed by GitHub
parent eb5bcda337
commit 01abf82808
14 changed files with 1080 additions and 485 deletions

View File

@@ -18,7 +18,7 @@ npm install vectordb
const lancedb = require('vectordb');
const db = lancedb.connect('<PATH_TO_LANCEDB_DATASET>');
const table = await db.openTable('my_table');
const query = await table.search([0.1, 0.3]).setLimit(20).execute();
const query = await table.search([0.1, 0.3]).limit(20).execute();
console.log(results);
```
@@ -26,12 +26,6 @@ The [examples](./examples) folder contains complete examples.
## Development
The LanceDB javascript is built with npm:
```bash
npm run tsc
```
Run the tests with
```bash

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@@ -1,211 +0,0 @@
[vectordb](../README.md) / [Exports](../modules.md) / Connection
# Class: Connection
A connection to a LanceDB database.
## Table of contents
### Constructors
- [constructor](Connection.md#constructor)
### Properties
- [\_db](Connection.md#_db)
- [\_uri](Connection.md#_uri)
### Accessors
- [uri](Connection.md#uri)
### Methods
- [createTable](Connection.md#createtable)
- [createTableArrow](Connection.md#createtablearrow)
- [openTable](Connection.md#opentable)
- [tableNames](Connection.md#tablenames)
## Constructors
### constructor
**new Connection**(`db`, `uri`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `db` | `any` |
| `uri` | `string` |
#### Defined in
[index.ts:46](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L46)
## Properties
### \_db
`Private` `Readonly` **\_db**: `any`
#### Defined in
[index.ts:44](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L44)
___
### \_uri
`Private` `Readonly` **\_uri**: `string`
#### Defined in
[index.ts:43](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L43)
## Accessors
### uri
`get` **uri**(): `string`
#### Returns
`string`
#### Defined in
[index.ts:51](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L51)
## Methods
### createTable
**createTable**(`name`, `data`): `Promise`<[`Table`](Table.md)<`number`[]\>\>
Creates a new Table and initialize it with new data.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `data` | `Record`<`string`, `unknown`\>[] | Non-empty Array of Records to be inserted into the Table |
#### Returns
`Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Defined in
[index.ts:91](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L91)
**createTable**<`T`\>(`name`, `data`, `embeddings`): `Promise`<[`Table`](Table.md)<`T`\>\>
Creates a new Table and initialize it with new data.
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `data` | `Record`<`string`, `unknown`\>[] | Non-empty Array of Records to be inserted into the Table |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use on this Table |
#### Returns
`Promise`<[`Table`](Table.md)<`T`\>\>
#### Defined in
[index.ts:99](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L99)
___
### createTableArrow
**createTableArrow**(`name`, `table`): `Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `table` | `Table`<`any`\> |
#### Returns
`Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Defined in
[index.ts:109](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L109)
___
### openTable
**openTable**(`name`): `Promise`<[`Table`](Table.md)<`number`[]\>\>
Open a table in the database.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
#### Returns
`Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Defined in
[index.ts:67](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L67)
**openTable**<`T`\>(`name`, `embeddings`): `Promise`<[`Table`](Table.md)<`T`\>\>
Open a table in the database.
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use on this Table |
#### Returns
`Promise`<[`Table`](Table.md)<`T`\>\>
#### Defined in
[index.ts:74](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L74)
___
### tableNames
**tableNames**(): `Promise`<`string`[]\>
Get the names of all tables in the database.
#### Returns
`Promise`<`string`[]\>
#### Defined in
[index.ts:58](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L58)

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@@ -0,0 +1,270 @@
[vectordb](../README.md) / [Exports](../modules.md) / LocalConnection
# Class: LocalConnection
A connection to a LanceDB database.
## Implements
- [`Connection`](../interfaces/Connection.md)
## Table of contents
### Constructors
- [constructor](LocalConnection.md#constructor)
### Properties
- [\_db](LocalConnection.md#_db)
- [\_uri](LocalConnection.md#_uri)
### Accessors
- [uri](LocalConnection.md#uri)
### Methods
- [createTable](LocalConnection.md#createtable)
- [createTableArrow](LocalConnection.md#createtablearrow)
- [dropTable](LocalConnection.md#droptable)
- [openTable](LocalConnection.md#opentable)
- [tableNames](LocalConnection.md#tablenames)
## Constructors
### constructor
**new LocalConnection**(`db`, `uri`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `db` | `any` |
| `uri` | `string` |
#### Defined in
[index.ts:129](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L129)
## Properties
### \_db
`Private` `Readonly` **\_db**: `any`
#### Defined in
[index.ts:127](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L127)
___
### \_uri
`Private` `Readonly` **\_uri**: `string`
#### Defined in
[index.ts:126](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L126)
## Accessors
### uri
`get` **uri**(): `string`
#### Returns
`string`
#### Implementation of
[Connection](../interfaces/Connection.md).[uri](../interfaces/Connection.md#uri)
#### Defined in
[index.ts:134](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L134)
## Methods
### createTable
**createTable**(`name`, `data`): `Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
Creates a new Table and initialize it with new data.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `data` | `Record`<`string`, `unknown`\>[] | Non-empty Array of Records to be inserted into the Table |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Implementation of
Connection.createTable
#### Defined in
[index.ts:174](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L174)
**createTable**<`T`\>(`name`, `data`, `embeddings`): `Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
Creates a new Table and initialize it with new data.
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `data` | `Record`<`string`, `unknown`\>[] | Non-empty Array of Records to be inserted into the Table |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use on this Table |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
#### Implementation of
Connection.createTable
#### Defined in
[index.ts:182](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L182)
___
### createTableArrow
**createTableArrow**(`name`, `table`): `Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `table` | `Table`<`any`\> |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Implementation of
[Connection](../interfaces/Connection.md).[createTableArrow](../interfaces/Connection.md#createtablearrow)
#### Defined in
[index.ts:192](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L192)
___
### dropTable
**dropTable**(`name`): `Promise`<`void`\>
Drop an existing table.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table to drop. |
#### Returns
`Promise`<`void`\>
#### Implementation of
[Connection](../interfaces/Connection.md).[dropTable](../interfaces/Connection.md#droptable)
#### Defined in
[index.ts:202](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L202)
___
### openTable
**openTable**(`name`): `Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
Open a table in the database.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Implementation of
Connection.openTable
#### Defined in
[index.ts:150](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L150)
**openTable**<`T`\>(`name`, `embeddings`): `Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
Open a table in the database.
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table. |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use on this Table |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
#### Implementation of
Connection.openTable
#### Defined in
[index.ts:157](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L157)
___
### tableNames
**tableNames**(): `Promise`<`string`[]\>
Get the names of all tables in the database.
#### Returns
`Promise`<`string`[]\>
#### Implementation of
[Connection](../interfaces/Connection.md).[tableNames](../interfaces/Connection.md#tablenames)
#### Defined in
[index.ts:141](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L141)

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@@ -0,0 +1,289 @@
[vectordb](../README.md) / [Exports](../modules.md) / LocalTable
# Class: LocalTable<T\>
A LanceDB table that allows you to search and update a table.
## Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
## Implements
- [`Table`](../interfaces/Table.md)<`T`\>
## Table of contents
### Constructors
- [constructor](LocalTable.md#constructor)
### Properties
- [\_embeddings](LocalTable.md#_embeddings)
- [\_name](LocalTable.md#_name)
- [\_tbl](LocalTable.md#_tbl)
### Accessors
- [name](LocalTable.md#name)
### Methods
- [add](LocalTable.md#add)
- [countRows](LocalTable.md#countrows)
- [createIndex](LocalTable.md#createindex)
- [delete](LocalTable.md#delete)
- [overwrite](LocalTable.md#overwrite)
- [search](LocalTable.md#search)
## Constructors
### constructor
**new LocalTable**<`T`\>(`tbl`, `name`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `tbl` | `any` |
| `name` | `string` |
#### Defined in
[index.ts:212](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L212)
**new LocalTable**<`T`\>(`tbl`, `name`, `embeddings`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `tbl` | `any` | |
| `name` | `string` | |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use when interacting with this table |
#### Defined in
[index.ts:218](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L218)
## Properties
### \_embeddings
`Private` `Optional` `Readonly` **\_embeddings**: [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\>
#### Defined in
[index.ts:210](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L210)
___
### \_name
`Private` `Readonly` **\_name**: `string`
#### Defined in
[index.ts:209](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L209)
___
### \_tbl
`Private` `Readonly` **\_tbl**: `any`
#### Defined in
[index.ts:208](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L208)
## Accessors
### name
`get` **name**(): `string`
#### Returns
`string`
#### Implementation of
[Table](../interfaces/Table.md).[name](../interfaces/Table.md#name)
#### Defined in
[index.ts:225](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L225)
## Methods
### add
**add**(`data`): `Promise`<`number`\>
Insert records into this Table.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
#### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Implementation of
[Table](../interfaces/Table.md).[add](../interfaces/Table.md#add)
#### Defined in
[index.ts:243](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L243)
___
### countRows
**countRows**(): `Promise`<`number`\>
Returns the number of rows in this table.
#### Returns
`Promise`<`number`\>
#### Implementation of
[Table](../interfaces/Table.md).[countRows](../interfaces/Table.md#countrows)
#### Defined in
[index.ts:269](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L269)
___
### createIndex
**createIndex**(`indexParams`): `Promise`<`any`\>
Create an ANN index on this Table vector index.
**`See`**
VectorIndexParams.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `indexParams` | `IvfPQIndexConfig` | The parameters of this Index, |
#### Returns
`Promise`<`any`\>
#### Implementation of
[Table](../interfaces/Table.md).[createIndex](../interfaces/Table.md#createindex)
#### Defined in
[index.ts:262](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L262)
___
### delete
**delete**(`filter`): `Promise`<`void`\>
Delete rows from this table.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `filter` | `string` | A filter in the same format used by a sql WHERE clause. |
#### Returns
`Promise`<`void`\>
#### Implementation of
[Table](../interfaces/Table.md).[delete](../interfaces/Table.md#delete)
#### Defined in
[index.ts:278](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L278)
___
### overwrite
**overwrite**(`data`): `Promise`<`number`\>
Insert records into this Table, replacing its contents.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
#### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Implementation of
[Table](../interfaces/Table.md).[overwrite](../interfaces/Table.md#overwrite)
#### Defined in
[index.ts:253](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L253)
___
### search
**search**(`query`): [`Query`](Query.md)<`T`\>
Creates a search query to find the nearest neighbors of the given search term
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `query` | `T` | The query search term |
#### Returns
[`Query`](Query.md)<`T`\>
#### Implementation of
[Table](../interfaces/Table.md).[search](../interfaces/Table.md#search)
#### Defined in
[index.ts:233](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L233)

View File

@@ -40,7 +40,7 @@ An embedding function that automatically creates vector representation for a giv
#### Defined in
[embedding/openai.ts:21](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/openai.ts#L21)
[embedding/openai.ts:21](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/openai.ts#L21)
## Properties
@@ -50,7 +50,7 @@ An embedding function that automatically creates vector representation for a giv
#### Defined in
[embedding/openai.ts:19](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/openai.ts#L19)
[embedding/openai.ts:19](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/openai.ts#L19)
___
@@ -60,7 +60,7 @@ ___
#### Defined in
[embedding/openai.ts:18](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/openai.ts#L18)
[embedding/openai.ts:18](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/openai.ts#L18)
___
@@ -76,7 +76,7 @@ The name of the column that will be used as input for the Embedding Function.
#### Defined in
[embedding/openai.ts:50](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/openai.ts#L50)
[embedding/openai.ts:50](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/openai.ts#L50)
## Methods
@@ -102,4 +102,4 @@ Creates a vector representation for the given values.
#### Defined in
[embedding/openai.ts:38](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/openai.ts#L38)
[embedding/openai.ts:38](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/openai.ts#L38)

View File

@@ -18,7 +18,6 @@ A builder for nearest neighbor queries for LanceDB.
### Properties
- [\_columns](Query.md#_columns)
- [\_embeddings](Query.md#_embeddings)
- [\_filter](Query.md#_filter)
- [\_limit](Query.md#_limit)
@@ -27,7 +26,9 @@ A builder for nearest neighbor queries for LanceDB.
- [\_query](Query.md#_query)
- [\_queryVector](Query.md#_queryvector)
- [\_refineFactor](Query.md#_refinefactor)
- [\_select](Query.md#_select)
- [\_tbl](Query.md#_tbl)
- [where](Query.md#where)
### Methods
@@ -37,6 +38,7 @@ A builder for nearest neighbor queries for LanceDB.
- [metricType](Query.md#metrictype)
- [nprobes](Query.md#nprobes)
- [refineFactor](Query.md#refinefactor)
- [select](Query.md#select)
## Constructors
@@ -60,27 +62,17 @@ A builder for nearest neighbor queries for LanceDB.
#### Defined in
[index.ts:241](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L241)
[index.ts:353](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L353)
## Properties
### \_columns
`Private` `Optional` `Readonly` **\_columns**: `string`[]
#### Defined in
[index.ts:236](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L236)
___
### \_embeddings
`Private` `Optional` `Readonly` **\_embeddings**: [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\>
#### Defined in
[index.ts:239](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L239)
[index.ts:351](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L351)
___
@@ -90,7 +82,7 @@ ___
#### Defined in
[index.ts:237](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L237)
[index.ts:349](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L349)
___
@@ -100,7 +92,7 @@ ___
#### Defined in
[index.ts:233](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L233)
[index.ts:345](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L345)
___
@@ -110,7 +102,7 @@ ___
#### Defined in
[index.ts:238](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L238)
[index.ts:350](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L350)
___
@@ -120,7 +112,7 @@ ___
#### Defined in
[index.ts:235](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L235)
[index.ts:347](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L347)
___
@@ -130,7 +122,7 @@ ___
#### Defined in
[index.ts:231](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L231)
[index.ts:343](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L343)
___
@@ -140,7 +132,7 @@ ___
#### Defined in
[index.ts:232](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L232)
[index.ts:344](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L344)
___
@@ -150,7 +142,17 @@ ___
#### Defined in
[index.ts:234](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L234)
[index.ts:346](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L346)
___
### \_select
`Private` `Optional` **\_select**: `string`[]
#### Defined in
[index.ts:348](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L348)
___
@@ -160,7 +162,33 @@ ___
#### Defined in
[index.ts:230](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L230)
[index.ts:342](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L342)
___
### where
**where**: (`value`: `string`) => [`Query`](Query.md)<`T`\>
#### Type declaration
▸ (`value`): [`Query`](Query.md)<`T`\>
A filter statement to be applied to this query.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `value` | `string` | A filter in the same format used by a sql WHERE clause. |
##### Returns
[`Query`](Query.md)<`T`\>
#### Defined in
[index.ts:401](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L401)
## Methods
@@ -182,7 +210,7 @@ Execute the query and return the results as an Array of Objects
#### Defined in
[index.ts:301](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L301)
[index.ts:424](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L424)
___
@@ -204,7 +232,7 @@ A filter statement to be applied to this query.
#### Defined in
[index.ts:284](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L284)
[index.ts:396](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L396)
___
@@ -226,7 +254,7 @@ Sets the number of results that will be returned
#### Defined in
[index.ts:257](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L257)
[index.ts:369](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L369)
___
@@ -252,7 +280,7 @@ MetricType for the different options
#### Defined in
[index.ts:293](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L293)
[index.ts:416](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L416)
___
@@ -274,7 +302,7 @@ The number of probes used. A higher number makes search more accurate but also s
#### Defined in
[index.ts:275](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L275)
[index.ts:387](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L387)
___
@@ -296,4 +324,26 @@ Refine the results by reading extra elements and re-ranking them in memory.
#### Defined in
[index.ts:266](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L266)
[index.ts:378](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L378)
___
### select
**select**(`value`): [`Query`](Query.md)<`T`\>
Return only the specified columns.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `value` | `string`[] | Only select the specified columns. If not specified, all columns will be returned. |
#### Returns
[`Query`](Query.md)<`T`\>
#### Defined in
[index.ts:407](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L407)

View File

@@ -1,215 +0,0 @@
[vectordb](../README.md) / [Exports](../modules.md) / Table
# Class: Table<T\>
## Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
## Table of contents
### Constructors
- [constructor](Table.md#constructor)
### Properties
- [\_embeddings](Table.md#_embeddings)
- [\_name](Table.md#_name)
- [\_tbl](Table.md#_tbl)
### Accessors
- [name](Table.md#name)
### Methods
- [add](Table.md#add)
- [create\_index](Table.md#create_index)
- [overwrite](Table.md#overwrite)
- [search](Table.md#search)
## Constructors
### constructor
**new Table**<`T`\>(`tbl`, `name`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `tbl` | `any` |
| `name` | `string` |
#### Defined in
[index.ts:121](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L121)
**new Table**<`T`\>(`tbl`, `name`, `embeddings`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `tbl` | `any` | |
| `name` | `string` | |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use when interacting with this table |
#### Defined in
[index.ts:127](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L127)
## Properties
### \_embeddings
`Private` `Optional` `Readonly` **\_embeddings**: [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\>
#### Defined in
[index.ts:119](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L119)
___
### \_name
`Private` `Readonly` **\_name**: `string`
#### Defined in
[index.ts:118](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L118)
___
### \_tbl
`Private` `Readonly` **\_tbl**: `any`
#### Defined in
[index.ts:117](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L117)
## Accessors
### name
`get` **name**(): `string`
#### Returns
`string`
#### Defined in
[index.ts:134](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L134)
## Methods
### add
**add**(`data`): `Promise`<`number`\>
Insert records into this Table.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
#### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Defined in
[index.ts:152](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L152)
___
### create\_index
**create_index**(`indexParams`): `Promise`<`any`\>
Create an ANN index on this Table vector index.
**`See`**
VectorIndexParams.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `indexParams` | `IvfPQIndexConfig` | The parameters of this Index, |
#### Returns
`Promise`<`any`\>
#### Defined in
[index.ts:171](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L171)
___
### overwrite
**overwrite**(`data`): `Promise`<`number`\>
Insert records into this Table, replacing its contents.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
#### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Defined in
[index.ts:162](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L162)
___
### search
**search**(`query`): [`Query`](Query.md)<`T`\>
Creates a search query to find the nearest neighbors of the given search term
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `query` | `T` | The query search term |
#### Returns
[`Query`](Query.md)<`T`\>
#### Defined in
[index.ts:142](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L142)

View File

@@ -21,7 +21,7 @@ Cosine distance
#### Defined in
[index.ts:341](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L341)
[index.ts:465](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L465)
___
@@ -33,4 +33,4 @@ Euclidean distance
#### Defined in
[index.ts:336](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L336)
[index.ts:460](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L460)

View File

@@ -17,7 +17,7 @@
#### Defined in
[index.ts:326](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L326)
[index.ts:450](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L450)
___
@@ -27,4 +27,4 @@ ___
#### Defined in
[index.ts:325](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L325)
[index.ts:449](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L449)

View File

@@ -0,0 +1,137 @@
[vectordb](../README.md) / [Exports](../modules.md) / Connection
# Interface: Connection
A LanceDB connection that allows you to open tables and create new ones.
Connection could be local against filesystem or remote against a server.
## Implemented by
- [`LocalConnection`](../classes/LocalConnection.md)
## Table of contents
### Properties
- [createTable](Connection.md#createtable)
- [createTableArrow](Connection.md#createtablearrow)
- [dropTable](Connection.md#droptable)
- [openTable](Connection.md#opentable)
- [tableNames](Connection.md#tablenames)
- [uri](Connection.md#uri)
## Properties
### createTable
**createTable**: (`name`: `string`, `data`: `Record`<`string`, `unknown`\>[]) => `Promise`<[`Table`](Table.md)<`number`[]\>\> & <T\>(`name`: `string`, `data`: `Record`<`string`, `unknown`\>[], `embeddings`: [`EmbeddingFunction`](EmbeddingFunction.md)<`T`\>) => `Promise`<[`Table`](Table.md)<`T`\>\> & <T\>(`name`: `string`, `data`: `Record`<`string`, `unknown`\>[], `embeddings?`: [`EmbeddingFunction`](EmbeddingFunction.md)<`T`\>) => `Promise`<[`Table`](Table.md)<`T`\>\>
Creates a new Table and initialize it with new data.
**`Param`**
The name of the table.
**`Param`**
Non-empty Array of Records to be inserted into the Table
#### Defined in
[index.ts:63](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L63)
___
### createTableArrow
**createTableArrow**: (`name`: `string`, `table`: `Table`<`any`\>) => `Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Type declaration
▸ (`name`, `table`): `Promise`<[`Table`](Table.md)<`number`[]\>\>
##### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `table` | `Table`<`any`\> |
##### Returns
`Promise`<[`Table`](Table.md)<`number`[]\>\>
#### Defined in
[index.ts:65](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L65)
___
### dropTable
**dropTable**: (`name`: `string`) => `Promise`<`void`\>
#### Type declaration
▸ (`name`): `Promise`<`void`\>
Drop an existing table.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `name` | `string` | The name of the table to drop. |
##### Returns
`Promise`<`void`\>
#### Defined in
[index.ts:71](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L71)
___
### openTable
**openTable**: (`name`: `string`) => `Promise`<[`Table`](Table.md)<`number`[]\>\> & <T\>(`name`: `string`, `embeddings`: [`EmbeddingFunction`](EmbeddingFunction.md)<`T`\>) => `Promise`<[`Table`](Table.md)<`T`\>\> & <T\>(`name`: `string`, `embeddings?`: [`EmbeddingFunction`](EmbeddingFunction.md)<`T`\>) => `Promise`<[`Table`](Table.md)<`T`\>\>
Open a table in the database.
**`Param`**
The name of the table.
#### Defined in
[index.ts:54](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L54)
___
### tableNames
**tableNames**: () => `Promise`<`string`[]\>
#### Type declaration
▸ (): `Promise`<`string`[]\>
##### Returns
`Promise`<`string`[]\>
#### Defined in
[index.ts:47](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L47)
___
### uri
**uri**: `string`
#### Defined in
[index.ts:45](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L45)

View File

@@ -45,7 +45,7 @@ Creates a vector representation for the given values.
#### Defined in
[embedding/embedding_function.ts:27](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/embedding_function.ts#L27)
[embedding/embedding_function.ts:27](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/embedding_function.ts#L27)
___
@@ -57,4 +57,4 @@ The name of the column that will be used as input for the Embedding Function.
#### Defined in
[embedding/embedding_function.ts:22](https://github.com/lancedb/lancedb/blob/31dab97/node/src/embedding/embedding_function.ts#L22)
[embedding/embedding_function.ts:22](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/embedding/embedding_function.ts#L22)

View File

@@ -0,0 +1,195 @@
[vectordb](../README.md) / [Exports](../modules.md) / Table
# Interface: Table<T\>
A LanceDB table that allows you to search and update a table.
## Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
## Implemented by
- [`LocalTable`](../classes/LocalTable.md)
## Table of contents
### Properties
- [add](Table.md#add)
- [countRows](Table.md#countrows)
- [createIndex](Table.md#createindex)
- [delete](Table.md#delete)
- [name](Table.md#name)
- [overwrite](Table.md#overwrite)
- [search](Table.md#search)
## Properties
### add
**add**: (`data`: `Record`<`string`, `unknown`\>[]) => `Promise`<`number`\>
#### Type declaration
▸ (`data`): `Promise`<`number`\>
Insert records into this Table.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
##### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Defined in
[index.ts:92](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L92)
___
### countRows
**countRows**: () => `Promise`<`number`\>
#### Type declaration
▸ (): `Promise`<`number`\>
Returns the number of rows in this table.
##### Returns
`Promise`<`number`\>
#### Defined in
[index.ts:112](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L112)
___
### createIndex
**createIndex**: (`indexParams`: `IvfPQIndexConfig`) => `Promise`<`any`\>
#### Type declaration
▸ (`indexParams`): `Promise`<`any`\>
Create an ANN index on this Table vector index.
**`See`**
VectorIndexParams.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `indexParams` | `IvfPQIndexConfig` | The parameters of this Index, |
##### Returns
`Promise`<`any`\>
#### Defined in
[index.ts:107](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L107)
___
### delete
**delete**: (`filter`: `string`) => `Promise`<`void`\>
#### Type declaration
▸ (`filter`): `Promise`<`void`\>
Delete rows from this table.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `filter` | `string` | A filter in the same format used by a sql WHERE clause. |
##### Returns
`Promise`<`void`\>
#### Defined in
[index.ts:119](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L119)
___
### name
**name**: `string`
#### Defined in
[index.ts:78](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L78)
___
### overwrite
**overwrite**: (`data`: `Record`<`string`, `unknown`\>[]) => `Promise`<`number`\>
#### Type declaration
▸ (`data`): `Promise`<`number`\>
Insert records into this Table, replacing its contents.
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `data` | `Record`<`string`, `unknown`\>[] | Records to be inserted into the Table |
##### Returns
`Promise`<`number`\>
The number of rows added to the table
#### Defined in
[index.ts:100](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L100)
___
### search
**search**: (`query`: `T`) => [`Query`](../classes/Query.md)<`T`\>
#### Type declaration
▸ (`query`): [`Query`](../classes/Query.md)<`T`\>
Creates a search query to find the nearest neighbors of the given search term
##### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `query` | `T` | The query search term |
##### Returns
[`Query`](../classes/Query.md)<`T`\>
#### Defined in
[index.ts:84](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L84)

View File

@@ -11,14 +11,16 @@
### Classes
- [Connection](classes/Connection.md)
- [LocalConnection](classes/LocalConnection.md)
- [LocalTable](classes/LocalTable.md)
- [OpenAIEmbeddingFunction](classes/OpenAIEmbeddingFunction.md)
- [Query](classes/Query.md)
- [Table](classes/Table.md)
### Interfaces
- [Connection](interfaces/Connection.md)
- [EmbeddingFunction](interfaces/EmbeddingFunction.md)
- [Table](interfaces/Table.md)
### Type Aliases
@@ -36,13 +38,13 @@
#### Defined in
[index.ts:224](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L224)
[index.ts:336](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L336)
## Functions
### connect
**connect**(`uri`): `Promise`<[`Connection`](classes/Connection.md)\>
**connect**(`uri`): `Promise`<[`Connection`](interfaces/Connection.md)\>
Connect to a LanceDB instance at the given URI
@@ -54,8 +56,8 @@ Connect to a LanceDB instance at the given URI
#### Returns
`Promise`<[`Connection`](classes/Connection.md)\>
`Promise`<[`Connection`](interfaces/Connection.md)\>
#### Defined in
[index.ts:34](https://github.com/lancedb/lancedb/blob/31dab97/node/src/index.ts#L34)
[index.ts:34](https://github.com/lancedb/lancedb/blob/bfb5400/node/src/index.ts#L34)

View File

@@ -33,13 +33,96 @@ export { OpenAIEmbeddingFunction } from './embedding/openai'
*/
export async function connect (uri: string): Promise<Connection> {
const db = await databaseNew(uri)
return new Connection(db, uri)
return new LocalConnection(db, uri)
}
/**
* A LanceDB connection that allows you to open tables and create new ones.
*
* Connection could be local against filesystem or remote against a server.
*/
export interface Connection {
uri: string
tableNames: () => Promise<string[]>
/**
* Open a table in the database.
*
* @param name The name of the table.
*/
openTable: ((name: string) => Promise<Table>) & (<T>(name: string, embeddings: EmbeddingFunction<T>) => Promise<Table<T>>) & (<T>(name: string, embeddings?: EmbeddingFunction<T>) => Promise<Table<T>>)
/**
* Creates a new Table and initialize it with new data.
*
* @param name The name of the table.
* @param data Non-empty Array of Records to be inserted into the Table
*/
createTable: ((name: string, data: Array<Record<string, unknown>>) => Promise<Table>) & (<T>(name: string, data: Array<Record<string, unknown>>, embeddings: EmbeddingFunction<T>) => Promise<Table<T>>) & (<T>(name: string, data: Array<Record<string, unknown>>, embeddings?: EmbeddingFunction<T>) => Promise<Table<T>>)
createTableArrow: (name: string, table: ArrowTable) => Promise<Table>
/**
* Drop an existing table.
* @param name The name of the table to drop.
*/
dropTable: (name: string) => Promise<void>
}
/**
* A LanceDB table that allows you to search and update a table.
*/
export interface Table<T = number[]> {
name: string
/**
* Creates a search query to find the nearest neighbors of the given search term
* @param query The query search term
*/
search: (query: T) => Query<T>
/**
* Insert records into this Table.
*
* @param data Records to be inserted into the Table
* @return The number of rows added to the table
*/
add: (data: Array<Record<string, unknown>>) => Promise<number>
/**
* Insert records into this Table, replacing its contents.
*
* @param data Records to be inserted into the Table
* @return The number of rows added to the table
*/
overwrite: (data: Array<Record<string, unknown>>) => Promise<number>
/**
* Create an ANN index on this Table vector index.
*
* @param indexParams The parameters of this Index, @see VectorIndexParams.
*/
createIndex: (indexParams: VectorIndexParams) => Promise<any>
/**
* Returns the number of rows in this table.
*/
countRows: () => Promise<number>
/**
* Delete rows from this table.
*
* @param filter A filter in the same format used by a sql WHERE clause.
*/
delete: (filter: string) => Promise<void>
}
/**
* A connection to a LanceDB database.
*/
export class Connection {
export class LocalConnection implements Connection {
private readonly _uri: string
private readonly _db: any
@@ -75,9 +158,9 @@ export class Connection {
async openTable<T> (name: string, embeddings?: EmbeddingFunction<T>): Promise<Table<T>> {
const tbl = await databaseOpenTable.call(this._db, name)
if (embeddings !== undefined) {
return new Table(tbl, name, embeddings)
return new LocalTable(tbl, name, embeddings)
} else {
return new Table(tbl, name)
return new LocalTable(tbl, name)
}
}
@@ -100,9 +183,9 @@ export class Connection {
async createTable<T> (name: string, data: Array<Record<string, unknown>>, embeddings?: EmbeddingFunction<T>): Promise<Table<T>> {
const tbl = await tableCreate.call(this._db, name, await fromRecordsToBuffer(data, embeddings))
if (embeddings !== undefined) {
return new Table(tbl, name, embeddings)
return new LocalTable(tbl, name, embeddings)
} else {
return new Table(tbl, name)
return new LocalTable(tbl, name)
}
}
@@ -121,7 +204,7 @@ export class Connection {
}
}
export class Table<T = number[]> {
export class LocalTable<T = number[]> implements Table<T> {
private readonly _tbl: any
private readonly _name: string
private readonly _embeddings?: EmbeddingFunction<T>
@@ -190,7 +273,7 @@ export class Table<T = number[]> {
/**
* Delete rows from this table.
*
* @param filter The filter to be applied to this table.
* @param filter A filter in the same format used by a sql WHERE clause.
*/
async delete (filter: string): Promise<void> {
return tableDelete.call(this._tbl, filter)
@@ -347,6 +430,7 @@ export class Query<T = number[]> {
const buffer = await tableSearch.call(this._tbl, this)
const data = tableFromIPC(buffer)
return data.toArray().map((entry: Record<string, unknown>) => {
const newObject: Record<string, unknown> = {}
Object.keys(entry).forEach((key: string) => {