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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,95 +1,95 @@ | ||
| import { Database } from "../../drivers/database"; | ||
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| interface Column { | ||
| name: string; | ||
| type: string; | ||
| partitionKey?: boolean; | ||
| primaryKey?: boolean; | ||
| } | ||
|
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| interface IndexOptions { | ||
| tableName: string; | ||
| dimensions: number; | ||
| columns: Column[]; | ||
| binaryQuantization?: boolean; | ||
| dbName?: string; | ||
| } | ||
|
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| type UpsertData = [Record<string, any> & { id: string | number }][] | ||
|
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| interface QueryOptions { | ||
| topK: number, | ||
| where?: string[] | ||
| } | ||
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| interface Vector { | ||
| init(options: IndexOptions): Promise<VectorClient> | ||
| upsert(data: UpsertData): Promise<VectorClient> | ||
| query(queryEmbedding: number[], options: QueryOptions): Promise<any> | ||
| } | ||
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| const DEFAULT_EMBEDDING_COLUMN_NAME = 'embedding' | ||
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| const buildEmbeddingType = (dimensions: number, binaryQuantization: boolean) => { | ||
| return `${binaryQuantization ? 'BIT' : 'FLOAT'}[${dimensions}]` | ||
| } | ||
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| const formatInitColumns = (opts: IndexOptions) => { | ||
| const { columns, dimensions, binaryQuantization } = opts | ||
| return columns.reduce((acc, column) => { | ||
| let _type = column.type.toLowerCase(); | ||
| const { name, primaryKey, partitionKey } = column | ||
| if (_type === 'embedding') { | ||
| _type = buildEmbeddingType(dimensions, !!binaryQuantization) | ||
| } | ||
| const formattedColumn = `${name} ${_type} ${primaryKey ? 'PRIMARY KEY' : ''}${partitionKey ? 'PARTITION KEY' : ''}` | ||
| return `${acc}, ${formattedColumn}` | ||
| }, '') | ||
| } | ||
|
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| function formatUpsertCommand(data: UpsertData): [any, any] { | ||
| throw new Error("Function not implemented."); | ||
| } | ||
|
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|
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| export class VectorClient implements Vector { | ||
| private _db: Database | ||
| private _tableName: string | ||
| private _columns: Column[] | ||
| private _formattedColumns: string | ||
|
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| constructor(_db: Database) { | ||
| this._db = _db | ||
| this._tableName = '' | ||
| this._columns = [] | ||
| this._formattedColumns = '' | ||
| } | ||
|
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| async init(options: IndexOptions) { | ||
| const formattedColumns = formatInitColumns(options) | ||
| this._tableName = options.tableName | ||
| this._columns = options?.columns || [] | ||
| this._formattedColumns = formattedColumns | ||
| const useDbCommand = options?.dbName ? `USE DATABASE ${options.dbName}; ` : '' | ||
| const hasTable = await this._db.sql`${useDbCommand}SELECT 1 FROM ${options.tableName} LIMIT 1;` | ||
|
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||
| if (hasTable.length === 0) { // TODO - VERIFY CHECK HAS TABLE | ||
| const query = `CREATE VIRTUAL TABLE ${options.tableName} USING vec0(${formattedColumns})` | ||
| await this._db.sql(query) | ||
| } | ||
| return this | ||
| } | ||
|
|
||
| async upsert(data: UpsertData) { | ||
| const [formattedColumns, formattedValues] = formatUpsertCommand(data) | ||
| const query = `INSERT INTO ${this._tableName}(${formattedColumns}) VALUES (${formattedValues})` | ||
| return await this._db.sql(query) | ||
| } | ||
|
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| async query(queryEmbedding: number[], options: QueryOptions) { | ||
| const query = `SELECT * FROM ${this._tableName} WHERE ${DEFAULT_EMBEDDING_COLUMN_NAME} match ${JSON.stringify(queryEmbedding)} and k = ${options.topK} and ${(options?.where?.join(' and ') || '')}` | ||
| const result = await this._db.sql(query) | ||
| return { data: result, error: null } | ||
| } | ||
|
|
||
| } | ||
| // import { Database } from "../../drivers/database"; | ||
|
|
||
| // interface Column { | ||
| // name: string; | ||
| // type: string; | ||
| // partitionKey?: boolean; | ||
| // primaryKey?: boolean; | ||
| // } | ||
|
|
||
| // interface IndexOptions { | ||
| // tableName: string; | ||
| // dimensions: number; | ||
| // columns: Column[]; | ||
| // binaryQuantization?: boolean; | ||
| // dbName?: string; | ||
| // } | ||
|
|
||
| // type UpsertData = [Record<string, any> & { id: string | number }][] | ||
|
|
||
| // interface QueryOptions { | ||
| // topK: number, | ||
| // where?: string[] | ||
| // } | ||
|
|
||
| // interface Vector { | ||
| // init(options: IndexOptions): Promise<VectorClient> | ||
| // upsert(data: UpsertData): Promise<VectorClient> | ||
| // query(queryEmbedding: number[], options: QueryOptions): Promise<any> | ||
| // } | ||
|
|
||
| // const DEFAULT_EMBEDDING_COLUMN_NAME = 'embedding' | ||
|
|
||
| // const buildEmbeddingType = (dimensions: number, binaryQuantization: boolean) => { | ||
| // return `${binaryQuantization ? 'BIT' : 'FLOAT'}[${dimensions}]` | ||
| // } | ||
|
|
||
| // const formatInitColumns = (opts: IndexOptions) => { | ||
| // const { columns, dimensions, binaryQuantization } = opts | ||
| // return columns.reduce((acc, column) => { | ||
| // let _type = column.type.toLowerCase(); | ||
| // const { name, primaryKey, partitionKey } = column | ||
| // if (_type === 'embedding') { | ||
| // _type = buildEmbeddingType(dimensions, !!binaryQuantization) | ||
| // } | ||
| // const formattedColumn = `${name} ${_type} ${primaryKey ? 'PRIMARY KEY' : ''}${partitionKey ? 'PARTITION KEY' : ''}` | ||
| // return `${acc}, ${formattedColumn}` | ||
| // }, '') | ||
| // } | ||
|
|
||
| // function formatUpsertCommand(data: UpsertData): [any, any] { | ||
| // throw new Error("Function not implemented."); | ||
| // } | ||
|
|
||
|
|
||
| // export class VectorClient implements Vector { | ||
| // private _db: Database | ||
| // private _tableName: string | ||
| // private _columns: Column[] | ||
| // private _formattedColumns: string | ||
|
|
||
| // constructor(_db: Database) { | ||
| // this._db = _db | ||
| // this._tableName = '' | ||
| // this._columns = [] | ||
| // this._formattedColumns = '' | ||
| // } | ||
|
|
||
| // async init(options: IndexOptions) { | ||
| // const formattedColumns = formatInitColumns(options) | ||
| // this._tableName = options.tableName | ||
| // this._columns = options?.columns || [] | ||
| // this._formattedColumns = formattedColumns | ||
| // const useDbCommand = options?.dbName ? `USE DATABASE ${options.dbName}; ` : '' | ||
| // const hasTable = await this._db.sql`${useDbCommand}SELECT 1 FROM ${options.tableName} LIMIT 1;` | ||
|
|
||
| // if (hasTable.length === 0) { // TODO - VERIFY CHECK HAS TABLE | ||
| // const query = `CREATE VIRTUAL TABLE ${options.tableName} USING vec0(${formattedColumns})` | ||
| // await this._db.sql(query) | ||
| // } | ||
| // return this | ||
| // } | ||
|
|
||
| // async upsert(data: UpsertData) { | ||
| // const [formattedColumns, formattedValues] = formatUpsertCommand(data) | ||
| // const query = `INSERT INTO ${this._tableName}(${formattedColumns}) VALUES (${formattedValues})` | ||
| // return await this._db.sql(query) | ||
| // } | ||
|
|
||
| // async query(queryEmbedding: number[], options: QueryOptions) { | ||
| // const query = `SELECT * FROM ${this._tableName} WHERE ${DEFAULT_EMBEDDING_COLUMN_NAME} match ${JSON.stringify(queryEmbedding)} and k = ${options.topK} and ${(options?.where?.join(' and ') || '')}` | ||
| // const result = await this._db.sql(query) | ||
| // return { data: result, error: null } | ||
| // } | ||
|
|
||
| // } |