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PgAlterTableDropUniqueConstraintConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  7b2310be_bb54_0162_59eb_0b6bb428992f["PgAlterTableDropUniqueConstraintConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  7b2310be_bb54_0162_59eb_0b6bb428992f -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  5006d37a_7d01_2558_ac3c_ee74e1000822["can()"]
  7b2310be_bb54_0162_59eb_0b6bb428992f -->|method| 5006d37a_7d01_2558_ac3c_ee74e1000822
  9ec61bba_e5b9_b8ad_2dbc_f9c1502a5c2a["convert()"]
  7b2310be_bb54_0162_59eb_0b6bb428992f -->|method| 9ec61bba_e5b9_b8ad_2dbc_f9c1502a5c2a

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1163–1178

class PgAlterTableDropUniqueConstraintConvertor extends Convertor {
	can(statement: JsonDeleteUniqueConstraint, dialect: Dialect): boolean {
		return (
			statement.type === 'delete_unique_constraint' && dialect === 'postgresql'
		);
	}
	convert(statement: JsonDeleteUniqueConstraint): string {
		const unsquashed = PgSquasher.unsquashUnique(statement.data);

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

		return `ALTER TABLE ${tableNameWithSchema} DROP CONSTRAINT "${unsquashed.name}";`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterTableDropUniqueConstraintConvertor class?
PgAlterTableDropUniqueConstraintConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterTableDropUniqueConstraintConvertor defined?
PgAlterTableDropUniqueConstraintConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1163.

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