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The plpgsql + EXCEPTION versions of base_cell_numeric, base_cell_timestamptz, and base_cell_bool were labeled PARALLEL SAFE but EXCEPTION blocks require subtransactions, which Postgres cannot start in a parallel worker. Any parallel scan that invoked them crashed with 'cannot start subtransactions during a parallel operation' — notably DuckDB's postgres extension on large base COPY reads. Rewrite each as a pure SQL function using jsonb_typeof + regex validation for the 'coerce-or-null' semantics. No plpgsql, no subtransactions, genuinely parallel-safe. Signatures unchanged so existing call sites (loader, expression indexes, engine predicates) are untouched.
A progressive Node.js framework for building efficient and scalable server-side applications.
Description
Nest framework TypeScript starter repository.
Installation
$ npm install
Running the app
# development
$ npm run start
# watch mode
$ npm run start:dev
# production mode
$ npm run start:prod
Migrations
# This creates a new empty migration file named 'init'
$ npm run migration:create --name=init
# Generates 'init' migration file from existing entities to update the database schema
$ npm run migration:generate --name=init
# Runs all pending migrations to update the database schema
$ npm run migration:run
# Reverts the last executed migration
$ npm run migration:revert
# Reverts all migrations
$ npm run migration:revert
# Shows the list of executed and pending migrations
$ npm run migration:show
## Test
```bash
# unit tests
$ npm run test
# e2e tests
$ npm run test:e2e
# test coverage
$ npm run test:cov
Support
Nest is an MIT-licensed open source project. It can grow thanks to the sponsors and support by the amazing backers. If you'd like to join them, please read more here.
Stay in touch
- Author - Kamil Myśliwiec
- Website - https://nestjs.com
- Twitter - @nestframework
License
Nest is MIT licensed.