Feature: VIRTUAL generated column support for PostgreSQL >= 18 #12807

Feature Description

Current TypeORM doesn't support VIRTUAL generated columns for PostgreSQL (introduced in v18)

The Solution

Need to update the PostgresSqlQueryRunner for DDL definitions and checks for database version >= 18

Considered Alternatives

N/A

Additional Context

No response

Relevant Database Driver(s)

• aurora-mysql
• aurora-postgres
• better-sqlite3
• capacitor
• cockroachdb
• cordova
• expo
• mongodb
• mysql
• nativescript
• oracle
• postgres
• react-native
• sap
• spanner
• sqlite
• sqljs
• sqlserver

Are you willing to resolve this issue by submitting a Pull Request?

Yes, I have the time, and I know how to start.