can() — drizzle-orm Function Reference

Architecture documentation for the can() function in sqlgenerator.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SnapshotSerializer

Entity Profile

DrizzleKit→ SnapshotSerializer→ can() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  4f449f33_20f0_bf2a_1687_49996b2b4c47["can()"]
  e9262e29_df52_3ebc_45d7_62792f1e6364["MySqlModifyColumn"]
  4f449f33_20f0_bf2a_1687_49996b2b4c47 -->|defined in| e9262e29_df52_3ebc_45d7_62792f1e6364
  style 4f449f33_20f0_bf2a_1687_49996b2b4c47 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 2498–2513

	can(statement: JsonStatement, dialect: Dialect): boolean {
		return (
			(statement.type === 'alter_table_alter_column_set_type'
				|| statement.type === 'alter_table_alter_column_set_notnull'
				|| statement.type === 'alter_table_alter_column_drop_notnull'
				|| statement.type === 'alter_table_alter_column_drop_on_update'
				|| statement.type === 'alter_table_alter_column_set_on_update'
				|| statement.type === 'alter_table_alter_column_set_autoincrement'
				|| statement.type === 'alter_table_alter_column_drop_autoincrement'
				|| statement.type === 'alter_table_alter_column_set_default'
				|| statement.type === 'alter_table_alter_column_drop_default'
				|| statement.type === 'alter_table_alter_column_set_generated'
				|| statement.type === 'alter_table_alter_column_drop_generated')
			&& dialect === 'mysql'
		);
	}