can() — drizzle-orm Function Reference

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

Function typescript DrizzleKit CLIWorkflow

Entity Profile

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

Dependency Diagram

graph TD
  b355592e_9209_fc2a_66fc_f71dc6710dc4["can()"]
  e496d264_ffa3_db83_0260_fdca9d4f91a7["LibSQLModifyColumn"]
  b355592e_9209_fc2a_66fc_f71dc6710dc4 -->|defined in| e496d264_ffa3_db83_0260_fdca9d4f91a7
  style b355592e_9209_fc2a_66fc_f71dc6710dc4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 2377–2388

	can(statement: JsonStatement, dialect: Dialect): boolean {
		return (
			(statement.type === 'alter_table_alter_column_set_type'
				|| statement.type === 'alter_table_alter_column_drop_notnull'
				|| statement.type === 'alter_table_alter_column_set_notnull'
				|| statement.type === 'alter_table_alter_column_set_default'
				|| statement.type === 'alter_table_alter_column_drop_default'
				|| statement.type === 'create_check_constraint'
				|| statement.type === 'delete_check_constraint')
			&& dialect === 'turso'
		);
	}