isCyclic() — drizzle-orm Function Reference

Architecture documentation for the isCyclic() function in introspect-sqlite.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SchemaDiffer called by 1

Entity Profile

DrizzleKit→ SchemaDiffer→ isCyclic() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  a92fb3de_d403_ac05_21fd_84b5a596de3a["isCyclic()"]
  c1c349dd_2e31_d056_728c_c034cebb41c0["introspect-sqlite.ts"]
  a92fb3de_d403_ac05_21fd_84b5a596de3a -->|defined in| c1c349dd_2e31_d056_728c_c034cebb41c0
  154c5f90_2024_d20f_7338_69f47fcd8698["createTableColumns()"]
  154c5f90_2024_d20f_7338_69f47fcd8698 -->|calls| a92fb3de_d403_ac05_21fd_84b5a596de3a
  style a92fb3de_d403_ac05_21fd_84b5a596de3a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/introspect-sqlite.ts lines 248–252

const isCyclic = (fk: ForeignKey) => {
	const key = `${fk.tableFrom}-${fk.tableTo}`;
	const reverse = `${fk.tableTo}-${fk.tableFrom}`;
	return relations.has(key) && relations.has(reverse);
};