generateIdentityParams() — drizzle-orm Function Reference

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

Function typescript DrizzleKit SchemaDiffer called by 1

Entity Profile

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

Dependency Diagram

graph TD
  dfcd25c0_458e_c669_27d0_463cf9a3a135["generateIdentityParams()"]
  ac795a29_c480_454a_c930_ea8898cad46c["introspect-gel.ts"]
  dfcd25c0_458e_c669_27d0_463cf9a3a135 -->|defined in| ac795a29_c480_454a_c930_ea8898cad46c
  eca90b4e_5154_72f2_c38f_cac24c3036e0["createTableColumns()"]
  eca90b4e_5154_72f2_c38f_cac24c3036e0 -->|calls| dfcd25c0_458e_c669_27d0_463cf9a3a135
  style dfcd25c0_458e_c669_27d0_463cf9a3a135 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/introspect-gel.ts lines 179–204

function generateIdentityParams(identity: Column['identity']) {
	let paramsObj = `{ name: "${identity!.name}"`;
	if (identity?.startWith) {
		paramsObj += `, startWith: ${identity.startWith}`;
	}
	if (identity?.increment) {
		paramsObj += `, increment: ${identity.increment}`;
	}
	if (identity?.minValue) {
		paramsObj += `, minValue: ${identity.minValue}`;
	}
	if (identity?.maxValue) {
		paramsObj += `, maxValue: ${identity.maxValue}`;
	}
	if (identity?.cache) {
		paramsObj += `, cache: ${identity.cache}`;
	}
	if (identity?.cycle) {
		paramsObj += `, cycle: true`;
	}
	paramsObj += ' }';
	if (identity?.type === 'always') {
		return `.generatedAlwaysAsIdentity(${paramsObj})`;
	}
	return `.generatedByDefaultAsIdentity(${paramsObj})`;
}