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MySQLAlterTableAddUniqueConstraintConvertor Class — drizzle-orm Architecture

Architecture documentation for the MySQLAlterTableAddUniqueConstraintConvertor class in sqlgenerator.ts from the drizzle-orm codebase.

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  68819ba2_f6ad_2b52_78e8_79f9a6185f1d["MySQLAlterTableAddUniqueConstraintConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  68819ba2_f6ad_2b52_78e8_79f9a6185f1d -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  9b0c4fb1_e689_4ba5_2c05_81928242f7eb["can()"]
  68819ba2_f6ad_2b52_78e8_79f9a6185f1d -->|method| 9b0c4fb1_e689_4ba5_2c05_81928242f7eb
  2ae2baab_04d7_655a_d588_9fbe83fbad33["convert()"]
  68819ba2_f6ad_2b52_78e8_79f9a6185f1d -->|method| 2ae2baab_04d7_655a_d588_9fbe83fbad33

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1212–1223

class MySQLAlterTableAddUniqueConstraintConvertor extends Convertor {
	can(statement: JsonCreateUniqueConstraint, dialect: Dialect): boolean {
		return statement.type === 'create_unique_constraint' && dialect === 'mysql';
	}
	convert(statement: JsonCreateUniqueConstraint): string {
		const unsquashed = MySqlSquasher.unsquashUnique(statement.data);

		return `ALTER TABLE \`${statement.tableName}\` ADD CONSTRAINT \`${unsquashed.name}\` UNIQUE(\`${
			unsquashed.columns.join('`,`')
		}\`);`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the MySQLAlterTableAddUniqueConstraintConvertor class?
MySQLAlterTableAddUniqueConstraintConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is MySQLAlterTableAddUniqueConstraintConvertor defined?
MySQLAlterTableAddUniqueConstraintConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1212.

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