Compare commits

...

7 Commits

Author SHA1 Message Date
qzhu
9a066f9330 fix a bug 2024-01-04 13:47:07 -08:00
qzhu
88f6ae7cd1 fix example code 2024-01-03 15:59:30 -08:00
qzhu
f2d90331a4 example code 2023-12-22 11:25:10 -08:00
qzhu
997a50900d fix example code 2023-12-22 10:19:20 -08:00
QianZhu
0009206829 Update docs/src/javascript/saas-modules.md
Co-authored-by: Aidan  <64613310+aidangomar@users.noreply.github.com>
2023-12-22 09:53:01 -08:00
QianZhu
cab74c31d0 Update docs/src/javascript/saas-modules.md
Co-authored-by: Aidan  <64613310+aidangomar@users.noreply.github.com>
2023-12-22 09:52:29 -08:00
qzhu
fbb7a546df SaaS JS API sdk doc 2023-12-21 21:28:24 -08:00
7 changed files with 756 additions and 0 deletions

View File

@@ -88,6 +88,9 @@ jobs:
cd docs/test
node md_testing.js
- name: Test
env:
LANCEDB_URI: ${{ secrets.LANCEDB_URI }}
LANCEDB_DEV_API_KEY: ${{ secrets.LANCEDB_DEV_API_KEY }}
run: |
cd docs/test/node
for d in *; do cd "$d"; echo "$d".js; node "$d".js; cd ..; done

View File

@@ -149,6 +149,7 @@ nav:
- OSS Python API: python/python.md
- SaaS Python API: python/saas-python.md
- Javascript API: javascript/modules.md
- SaaS Javascript API: javascript/saas-modules.md
- LanceDB Cloud↗: https://noteforms.com/forms/lancedb-mailing-list-cloud-kty1o5?notionforms=1&utm_source=notionforms
extra_css:

View File

@@ -164,6 +164,7 @@ You can further filter the elements returned by a search using a where clause.
const results_2 = await table
.search(Array(1536).fill(1.2))
.where("id != '1141'")
.limit(2)
.execute()
```
@@ -187,6 +188,7 @@ You can select the columns returned by the query using a select clause.
const results_3 = await table
.search(Array(1536).fill(1.2))
.select(["id"])
.limit(2)
.execute()
```

View File

@@ -0,0 +1,226 @@
[vectordb](../README.md) / [Exports](../saas-modules.md) / RemoteConnection
# Class: RemoteConnection
A connection to a remote LanceDB database. The class RemoteConnection implements interface Connection
## Implements
- [`Connection`](../interfaces/Connection.md)
## Table of contents
### Constructors
- [constructor](RemoteConnection.md#constructor)
### Methods
- [createTable](RemoteConnection.md#createtable)
- [tableNames](RemoteConnection.md#tablenames)
- [openTable](RemoteConnection.md#opentable)
- [dropTable](RemoteConnection.md#droptable)
## Constructors
### constructor
**new RemoteConnection**(`client`, `dbName`)
#### Parameters
| Name | Type |
| :------ | :------ |
| `client` | `HttpLancedbClient` |
| `dbName` | `string` |
#### Defined in
[remote/index.ts:37](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L37)
## Methods
### createTable
**createTable**(`name`, `data`, `mode?`): `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 |
| `mode?` | [`WriteMode`](../enums/WriteMode.md) | The write mode to use when creating the table. |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Implementation of
[Connection](../interfaces/Connection.md).[createTable](../interfaces/Connection.md#createtable)
#### Defined in
[remote/index.ts:75](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L75)
**createTable**(`name`, `data`, `mode`): `Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `data` | `Record`<`string`, `unknown`\>[] |
| `mode` | [`WriteMode`](../enums/WriteMode.md) |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use on this Table |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`number`[]\>\>
#### Implementation of
Connection.createTable
#### Defined in
[remote/index.ts:231](https://github.com/lancedb/lancedb/blob/b1eeb90/node/src/index.ts#L231)
___
### 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
[remote/index.ts:131](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L131)
___
### 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](../interfaces/Connection.md).[openTable](../interfaces/Connection.md#opentable)
#### Defined in
[remote/index.ts:65](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L65)
**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
[remote/index.ts:66](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L66)
**openTable**<`T`\>(`name`, `embeddings?`): `Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `embeddings?` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> |
#### Returns
`Promise`<[`Table`](../interfaces/Table.md)<`T`\>\>
#### Implementation of
Connection.openTable
#### Defined in
[remote/index.ts:67](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L67)
___
### tableNames
**tableNames**(): `Promise`<`string`[]\>
Get the names of all tables in the database, with pagination.
#### Parameters
| Name | Type |
| :------ | :------ |
| `pageToken` | `string` |
| `limit` | `int` |
#### Returns
`Promise`<`string`[]\>
#### Implementation of
[Connection](../interfaces/Connection.md).[tableNames](../interfaces/Connection.md#tablenames)
#### Defined in
[remote/index.ts:60](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L60)

View File

@@ -0,0 +1,76 @@
[vectordb](../README.md) / [Exports](../saas-modules.md) / RemoteQuery
# Class: Query<T\>
A builder for nearest neighbor queries for LanceDB.
## Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
## Table of contents
### Constructors
- [constructor](RemoteQuery.md#constructor)
### Properties
- [\_embeddings](RemoteQuery.md#_embeddings)
- [\_query](RemoteQuery.md#_query)
- [\_name](RemoteQuery.md#_name)
- [\_client](RemoteQuery.md#_client)
### Methods
- [execute](RemoteQuery.md#execute)
## Constructors
### constructor
**new Query**<`T`\>(`name`, `client`, `query`, `embeddings?`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `name` | `string` |
| `client` | `HttpLancedbClient` |
| `query` | `T` |
| `embeddings?` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> |
#### Defined in
[remote/index.ts:137](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L137)
## Methods
### execute
**execute**<`T`\>(): `Promise`<`T`[]\>
Execute the query and return the results as an Array of Objects
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `Record`<`string`, `unknown`\> |
#### Returns
`Promise`<`T`[]\>
#### Defined in
[remote/index.ts:143](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L143)

View File

@@ -0,0 +1,355 @@
[vectordb](../README.md) / [Exports](../saas-modules.md) / RemoteTable
# Class: RemoteTable<T\>
A LanceDB Table is the collection of Records. Each Record has one or more vector fields.
## Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
## Implements
- [`Table`](../interfaces/Table.md)<`T`\>
## Table of contents
### Constructors
- [constructor](RemoteTable.md#constructor)
### Properties
- [\_name](RemoteTable.md#_name)
- [\_client](RemoteTable.md#_client)
- [\_embeddings](RemoteTable.md#_embeddings)
### Accessors
- [name](RemoteTable.md#name)
### Methods
- [add](RemoteTable.md#add)
- [countRows](RemoteTable.md#countrows)
- [createIndex](RemoteTable.md#createindex)
- [delete](RemoteTable.md#delete)
- [listIndices](classes/RemoteTable.md#listindices)
- [indexStats](classes/RemoteTable.md#liststats)
- [overwrite](RemoteTable.md#overwrite)
- [search](RemoteTable.md#search)
- [schema](classes/RemoteTable.md#schema)
- [update](RemoteTable.md#update)
## Constructors
### constructor
**new RemoteTable**<`T`\>(`client`, `name`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type |
| :------ | :------ |
| `client` | `HttpLancedbClient` |
| `name` | `string` |
#### Defined in
[remote/index.ts:186](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L186)
**new RemoteTable**<`T`\>(`client`, `name`, `embeddings`)
#### Type parameters
| Name | Type |
| :------ | :------ |
| `T` | `number`[] |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `client` | `HttpLancedbClient` | |
| `name` | `string` | |
| `embeddings` | [`EmbeddingFunction`](../interfaces/EmbeddingFunction.md)<`T`\> | An embedding function to use when interacting with this table |
#### Defined in
[remote/index.ts:187](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L187)
## Accessors
### name
`get` **name**(): `string`
#### Returns
`string`
#### Implementation of
[Table](../interfaces/Table.md).[name](../interfaces/Table.md#name)
#### Defined in
[remote/index.ts:194](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L194)
## 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
[remote/index.ts:293](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L293)
___
### 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
[remote/index.ts:290](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L290)
___
### createIndex
**createIndex**(`metric_type`, `column`): `Promise`<`any`\>
Create an ANN index on this Table vector index.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `metric_type` | `string` | distance metric type, L2 or cosine or dot |
| `column` | `string` | the name of the column to be indexed |
#### Returns
`Promise`<`any`\>
#### Implementation of
[Table](../interfaces/Table.md).[createIndex](../interfaces/Table.md#createindex)
#### Defined in
[remote/index.ts:249](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L249)
___
### 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
[remote/index.ts:295](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L295)
___
### 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
[remote/index.ts:231](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L231)
___
### 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
[remote/index.ts:209](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L209)
___
### update
**update**(`args`): `Promise`<`void`\>
Update zero to all rows depending on how many rows match the where clause.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `args` | `UpdateArgs` or `UpdateSqlArgs` | The query search arguments |
#### Returns
`Promise`<`any`\>
#### Implementation of
[Table](../interfaces/Table.md).[search](../interfaces/Table.md#update)
#### Defined in
[remote/index.ts:299](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L299)
___
### schema
**schema**(): `Promise`<`void`\>
Get the schema of the table
#### Returns
`Promise`<`any`\>
#### Implementation of
[Table](../interfaces/Table.md).[search](../interfaces/Table.md#schema)
#### Defined in
[remote/index.ts:198](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L198)
___
### listIndices
**listIndices**(): `Promise`<`void`\>
List the indices of the table
#### Returns
`Promise`<`any`\>
#### Implementation of
[Table](../interfaces/Table.md).[search](../interfaces/Table.md#listIndices)
#### Defined in
[remote/index.ts:319](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L319)
___
### indexStats
**indexStats**(`indexUuid`): `Promise`<`void`\>
Get the indexed/unindexed of rows from the table
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `indexUuid` | `string` | the uuid of the index |
#### Returns
`Promise`<`numIndexedRows`\>
`Promise`<`numUnindexedRows`\>
#### Implementation of
[Table](../interfaces/Table.md).[search](../interfaces/Table.md#indexStats)
#### Defined in
[remote/index.ts:328](https://github.com/lancedb/lancedb/blob/main/node/src/remote/index.ts#L328)

View File

@@ -0,0 +1,93 @@
# Table of contents
## Installation
```bash
npm install vectordb
```
This will download the appropriate native library for your platform. We currently
support x86_64 Linux, aarch64 Linux, Intel MacOS, and ARM (M1/M2) MacOS. We do not
yet support Windows or musl-based Linux (such as Alpine Linux).
## Classes
- [RemoteConnection](classes/RemoteConnection.md)
- [RemoteTable](classes/RemoteTable.md)
- [RemoteQuery](classes/RemoteQuery.md)
## Methods
- [add](classes/RemoteTable.md#add)
- [countRows](classes/RemoteTable.md#countrows)
- [createIndex](classes/RemoteTable.md#createindex)
- [createTable](classes/RemoteConnection.md#createtable)
- [delete](classes/RemoteTable.md#delete)
- [dropTable](classes/RemoteConnection.md#droptable)
- [listIndices](classes/RemoteTable.md#listindices)
- [indexStats](classes/RemoteTable.md#liststats)
- [openTable](classes/RemoteConnection.md#opentable)
- [overwrite](classes/RemoteTable.md#overwrite)
- [schema](classes/RemoteTable.md#schema)
- [search](classes/RemoteTable.md#search)
- [tableNames](classes/RemoteConnection.md#tablenames)
- [update](classes/RemoteTable.md#update)
## Example code
```javascript
const lancedb = require('vectordb');
const { Schema, Field, Int32, Float32, Utf8, FixedSizeList } = require ("apache-arrow/Arrow.node")
// connect to a remote DB
const devApiKey = process.env.LANCEDB_DEV_API_KEY
const dbURI = process.env.LANCEDB_URI
console.log(devApiKey)
const db = await lancedb.connect({
uri: dbURI, // replace dbURI with your project, e.g. "db://your-project-name"
apiKey: devApiKey, // replace dbURI with your api key
region: "us-east-1-dev"
});
// create a new table
const tableName = "my_table_000"
const data = [
{ id: 1, vector: [0.1, 1.0], item: "foo", price: 10.0 },
{ id: 2, vector: [3.9, 0.5], item: "bar", price: 20.0 }
]
const schema = new Schema(
[
new Field('id', new Int32()),
new Field('vector', new FixedSizeList(2, new Field('float32', new Float32()))),
new Field('item', new Utf8()),
new Field('price', new Float32())
]
)
const table = await db.createTable({
name: tableName,
schema,
}, data)
// list the table
const tableNames_1 = await db.tableNames('')
// add some data and search should be okay
const newData = [
{ id: 3, vector: [10.3, 1.9], item: "test1", price: 30.0 },
{ id: 4, vector: [6.2, 9.2], item: "test2", price: 40.0 }
]
await table.add(newData)
// create the index for the table
await table.createIndex({
metric_type: "L2",
column: "vector"
})
let result = await table.search([2.8, 4.3]).select(["vector", "price"]).limit(1).execute()
// update the data
await table.update({
where: "id == 1",
values: { item: "foo1" }
})
//drop the table
await db.dropTable(tableName)
```