generateSQLiteMigration() — drizzle-orm Function Reference

Architecture documentation for the generateSQLiteMigration() function in api.ts from the drizzle-orm codebase.

Function typescript DrizzleKit CLIWorkflow calls 1

Entity Profile

DrizzleKit→ CLIWorkflow→ generateSQLiteMigration() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  5e95b18e_139e_8c27_e72d_c0cfdaf7f698["generateSQLiteMigration()"]
  e668bfef_9125_1ef0_2f94_a0f9605584bd["api.ts"]
  5e95b18e_139e_8c27_e72d_c0cfdaf7f698 -->|defined in| e668bfef_9125_1ef0_2f94_a0f9605584bd
  dec1e114_a97f_91d6_7d9a_a12a7c1789b4["squashSqliteScheme()"]
  5e95b18e_139e_8c27_e72d_c0cfdaf7f698 -->|calls| dec1e114_a97f_91d6_7d9a_a12a7c1789b4
  style 5e95b18e_139e_8c27_e72d_c0cfdaf7f698 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/api.ts lines 245–268

export const generateSQLiteMigration = async (
	prev: DrizzleSQLiteSnapshotJSON,
	cur: DrizzleSQLiteSnapshotJSON,
) => {
	const { applySqliteSnapshotsDiff } = await import('./snapshotsDiffer');

	const validatedPrev = sqliteSchema.parse(prev);
	const validatedCur = sqliteSchema.parse(cur);

	const squashedPrev = squashSqliteScheme(validatedPrev);
	const squashedCur = squashSqliteScheme(validatedCur);

	const { sqlStatements } = await applySqliteSnapshotsDiff(
		squashedPrev,
		squashedCur,
		tablesResolver,
		columnsResolver,
		sqliteViewsResolver,
		validatedPrev,
		validatedCur,
	);

	return sqlStatements;
};