drizzle-orm Architecture Docs
Home / Class/ PgAlterTableAddCheckConstraintConvertor Class — drizzle-orm Architecture

PgAlterTableAddCheckConstraintConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  b7ba37dd_1e2b_8816_6766_2f8d0db9a4ba["PgAlterTableAddCheckConstraintConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  b7ba37dd_1e2b_8816_6766_2f8d0db9a4ba -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  a07dc3d0_f9f5_68a9_16a6_060db91aff76["can()"]
  b7ba37dd_1e2b_8816_6766_2f8d0db9a4ba -->|method| a07dc3d0_f9f5_68a9_16a6_060db91aff76
  8da4df4f_3974_eade_4ab6_db36117e8ab6["convert()"]
  b7ba37dd_1e2b_8816_6766_2f8d0db9a4ba -->|method| 8da4df4f_3974_eade_4ab6_db36117e8ab6

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1180–1195

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

		const tableNameWithSchema = statement.schema
			? `"${statement.schema}"."${statement.tableName}"`
			: `"${statement.tableName}"`;

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

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterTableAddCheckConstraintConvertor class?
PgAlterTableAddCheckConstraintConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterTableAddCheckConstraintConvertor defined?
PgAlterTableAddCheckConstraintConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1180.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free