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MySqlAlterTableAddCheckConstraintConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  df656cf5_960f_6c51_b179_1cff430da056["MySqlAlterTableAddCheckConstraintConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  df656cf5_960f_6c51_b179_1cff430da056 -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  9c575855_2b47_4630_a52b_3aa0453904a8["can()"]
  df656cf5_960f_6c51_b179_1cff430da056 -->|method| 9c575855_2b47_4630_a52b_3aa0453904a8
  f88e281f_be71_8281_ee8c_5d003b582bc3["convert()"]
  df656cf5_960f_6c51_b179_1cff430da056 -->|method| f88e281f_be71_8281_ee8c_5d003b582bc3

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1236–1248

class MySqlAlterTableAddCheckConstraintConvertor extends Convertor {
	can(statement: JsonCreateCheckConstraint, dialect: Dialect): boolean {
		return (
			statement.type === 'create_check_constraint' && dialect === 'mysql'
		);
	}
	convert(statement: JsonCreateCheckConstraint): string {
		const unsquashed = MySqlSquasher.unsquashCheck(statement.data);
		const { tableName } = statement;

		return `ALTER TABLE \`${tableName}\` ADD CONSTRAINT \`${unsquashed.name}\` CHECK (${unsquashed.value});`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the MySqlAlterTableAddCheckConstraintConvertor class?
MySqlAlterTableAddCheckConstraintConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is MySqlAlterTableAddCheckConstraintConvertor defined?
MySqlAlterTableAddCheckConstraintConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1236.

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