Class PostgresEntityQueryContextProvider

Query context provider for knex (postgres).

Hierarchy

default
- PostgresEntityQueryContextProvider

Index

Constructors

Methods

createNestedTransactionRunner createTransactionRunner getQueryContext getQueryInterface runInNestedTransactionAsync runInTransactionAsync

Constructors

constructor

new PostgresEntityQueryContextProvider(
knexInstance: Knex,
): PostgresEntityQueryContextProvider
Parameters
- knexInstance: Knex
Returns PostgresEntityQueryContextProvider
Overrides EntityQueryContextProvider.constructor
- Defined in packages/entity-database-adapter-knex/src/PostgresEntityQueryContextProvider.ts:12

Methods

`Protected`createNestedTransactionRunner

createNestedTransactionRunner<T>(
outerQueryInterface: any,
): (transactionScope: (queryInterface: any) => Promise<T>) => Promise<T>
Type Parameters
- T
Parameters
- outerQueryInterface: any
Returns (transactionScope: (queryInterface: any) => Promise<T>) => Promise<T>
Overrides EntityQueryContextProvider.createNestedTransactionRunner
- Defined in packages/entity-database-adapter-knex/src/PostgresEntityQueryContextProvider.ts:32

`Protected`createTransactionRunner

createTransactionRunner<T>(
transactionConfig?: TransactionConfig,
): (transactionScope: (trx: any) => Promise<T>) => Promise<T>
Vend a transaction runner for use in runInTransactionAsync.
Type Parameters
- T
Parameters
- OptionaltransactionConfig: TransactionConfig
Returns (transactionScope: (trx: any) => Promise<T>) => Promise<T>
Overrides EntityQueryContextProvider.createTransactionRunner
- Defined in packages/entity-database-adapter-knex/src/PostgresEntityQueryContextProvider.ts:20

getQueryContext

getQueryContext(): EntityNonTransactionalQueryContext
Vend a regular (non-transactional) entity query context.

Returns EntityNonTransactionalQueryContext
Inherited from EntityQueryContextProvider.getQueryContext
- Defined in packages/entity/build/EntityQueryContextProvider.d.ts:9

`Protected`getQueryInterface

getQueryInterface(): any
Get the query interface for constructing a query context.

Returns any
Overrides EntityQueryContextProvider.getQueryInterface
- Defined in packages/entity-database-adapter-knex/src/PostgresEntityQueryContextProvider.ts:16

runInNestedTransactionAsync

runInNestedTransactionAsync<T>(
    outerQueryContext: EntityTransactionalQueryContext,
    transactionScope: (
        innerQueryContext: EntityNestedTransactionalQueryContext,
    ) => Promise<T>,
): Promise<T>
Start a nested transaction from the specified parent transaction and execure the provided nested-transaction-scoped closure within the nested transaction.
Type Parameters
- T
Parameters
- outerQueryContext: EntityTransactionalQueryContext
  the query context of the parent transaction
- transactionScope: (innerQueryContext: EntityNestedTransactionalQueryContext) => Promise<T>
  async callback to execute within the nested transaction
Returns Promise<T>
Inherited from EntityQueryContextProvider.runInNestedTransactionAsync
- Defined in packages/entity/build/EntityQueryContextProvider.d.ts:30

runInTransactionAsync

runInTransactionAsync<T>(
    transactionScope: (
        queryContext: EntityTransactionalQueryContext,
    ) => Promise<T>,
    transactionConfig?: TransactionConfig,
): Promise<T>
Start a transaction and execute the provided transaction-scoped closure within the transaction.
Type Parameters
- T
Parameters
- transactionScope: (queryContext: EntityTransactionalQueryContext) => Promise<T>
  async callback to execute within the transaction
- OptionaltransactionConfig: TransactionConfig
Returns Promise<T>
Inherited from EntityQueryContextProvider.runInTransactionAsync
- Defined in packages/entity/build/EntityQueryContextProvider.d.ts:23