Class: PrismaVectorStore<TModel, TModelName, TSelectModel>

vectorstores/prisma.PrismaVectorStore

Type parameters

Name	Type
TModel	extends Record<string, unknown>
TModelName	extends string
TSelectModel	extends ModelColumns<TModel>

Hierarchy

• VectorStore

  ↳ PrismaVectorStore

Constructors

constructor

• new PrismaVectorStore<TModel, TModelName, TSelectModel>(embeddings, config)

Type parameters

Name	Type
TModel	extends Record<string, unknown>
TModelName	extends string
TSelectModel	extends ModelColumns<TModel>

Parameters

Name	Type
embeddings	Embeddings
config	Object
config.columns	TSelectModel
config.db	PrismaClient
config.prisma	PrismaNamespace
config.tableName	TModelName
config.vectorColumnName	string

Overrides

VectorStore.constructor

Defined in

langchain/src/vectorstores/prisma.ts:89

Properties

Prisma

• Protected Prisma: PrismaNamespace

Defined in

langchain/src/vectorstores/prisma.ts:87

---

contentColumn

• contentColumn: keyof TModel & string

Defined in

langchain/src/vectorstores/prisma.ts:79

---

db

• Protected db: PrismaClient

Defined in

langchain/src/vectorstores/prisma.ts:85

---

embeddings

• embeddings: Embeddings

Inherited from

VectorStore.embeddings

Defined in

langchain/src/vectorstores/base.ts:23

---

idColumn

• idColumn: keyof TModel & string

Defined in

langchain/src/vectorstores/prisma.ts:77

---

selectSql

• selectSql: Sql

Defined in

langchain/src/vectorstores/prisma.ts:75

---

tableSql

• tableSql: Sql

Defined in

langchain/src/vectorstores/prisma.ts:71

---

vectorColumnSql

• vectorColumnSql: Sql

Defined in

langchain/src/vectorstores/prisma.ts:73

---

ContentColumn

▪ Static ContentColumn: typeof ContentColumnSymbol = ContentColumnSymbol

Defined in

langchain/src/vectorstores/prisma.ts:83

---

IdColumn

▪ Static IdColumn: typeof IdColumnSymbol = IdColumnSymbol

Defined in

langchain/src/vectorstores/prisma.ts:81

Methods

addDocuments

▸ addDocuments(documents): Promise<void>

Parameters

Name	Type
documents	Document<TModel>[]

Returns

Promise<void>

Overrides

VectorStore.addDocuments

Defined in

langchain/src/vectorstores/prisma.ts:214

---

addModels

▸ addModels(models): Promise<void>

Parameters

Name	Type
models	TModel[]

Returns

Promise<void>

Defined in

langchain/src/vectorstores/prisma.ts:203

---

addVectors

▸ addVectors(vectors, documents): Promise<void>

Parameters

Name	Type
vectors	number[][]
documents	Document<TModel>[]

Returns

Promise<void>

Overrides

VectorStore.addVectors

Defined in

langchain/src/vectorstores/prisma.ts:222

---

asRetriever

▸ asRetriever(k?): BaseRetriever

Parameters

Name	Type
k?	number

Returns

BaseRetriever

Inherited from

VectorStore.asRetriever

Defined in

langchain/src/vectorstores/base.ts:92

---

similaritySearch

▸ similaritySearch(query, k?): Promise<Document<SimilarityModel<TModel, TSelectModel>>[]>

Parameters

Name	Type	Default value
query	string	undefined
k	number	4

Returns

Promise<Document<SimilarityModel<TModel, TSelectModel>>[]>

Overrides

VectorStore.similaritySearch

Defined in

langchain/src/vectorstores/prisma.ts:236

---

similaritySearchVectorWithScore

▸ similaritySearchVectorWithScore(query, k): Promise<[Document<SimilarityModel<TModel, TSelectModel>>, number][]>

Parameters

Name	Type
query	number[]
k	number

Returns

Promise<[Document<SimilarityModel<TModel, TSelectModel>>, number][]>

Overrides

VectorStore.similaritySearchVectorWithScore

Defined in

langchain/src/vectorstores/prisma.ts:248

---

similaritySearchWithScore

▸ similaritySearchWithScore(query, k?, filter?): Promise<[object, number][]>

Parameters

Name	Type	Default value
query	string	undefined
k	number	4
filter	undefined | object	undefined

Returns

Promise<[object, number][]>

Inherited from

VectorStore.similaritySearchWithScore

Defined in

langchain/src/vectorstores/base.ts:57

---

fromDocuments

▸ Static fromDocuments(docs, embeddings, dbConfig): Promise<DefaultPrismaVectorStore>

Parameters

Name	Type
docs	Document<Record<string, any>>[]
embeddings	Embeddings
dbConfig	Object
dbConfig.columns	ModelColumns<Record<string, unknown>>
dbConfig.db	PrismaClient
dbConfig.prisma	PrismaNamespace
dbConfig.tableName	string
dbConfig.vectorColumnName	string

Returns

Promise<DefaultPrismaVectorStore>

Overrides

VectorStore.fromDocuments

Defined in

langchain/src/vectorstores/prisma.ts:304

---

fromTexts

▸ Static fromTexts(texts, metadatas, embeddings, dbConfig): Promise<DefaultPrismaVectorStore>

Parameters

Name	Type
texts	string[]
metadatas	object[]
embeddings	Embeddings
dbConfig	Object
dbConfig.columns	ModelColumns<Record<string, unknown>>
dbConfig.db	PrismaClient
dbConfig.prisma	PrismaNamespace
dbConfig.tableName	string
dbConfig.vectorColumnName	string

Returns

Promise<DefaultPrismaVectorStore>

Overrides

VectorStore.fromTexts

Defined in

langchain/src/vectorstores/prisma.ts:279

---

withModel

▸ Static withModel<TModel>(db): Object

Type parameters

Name	Type
TModel	extends Record<string, unknown>

Parameters

Name	Type
db	PrismaClient

Returns

Object

Name	Type
create	<TPrisma, TColumns>(embeddings: Embeddings, config: { columns: TColumns ; prisma: TPrisma ; tableName: keyof TPrisma["ModelName"] & string ; vectorColumnName: string }) => PrismaVectorStore<TModel, ModelName, TColumns>
fromDocuments	<TPrisma, TColumns>(docs: Document<TModel>[], embeddings: Embeddings, dbConfig: { columns: TColumns ; prisma: TPrisma ; tableName: keyof TPrisma["ModelName"] & string ; vectorColumnName: string }) => Promise<PrismaVectorStore<TModel, ModelName, TColumns>>
fromTexts	<TPrisma, TColumns>(texts: string[], metadatas: TModel[], embeddings: Embeddings, dbConfig: { columns: TColumns ; prisma: TPrisma ; tableName: keyof TPrisma["ModelName"] & string ; vectorColumnName: string }) => Promise<DefaultPrismaVectorStore>

Defined in

langchain/src/vectorstores/prisma.ts:128