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PgAlterPolicyConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  688e920c_121f_c9ad_65ae_4dc2ba1c7552["PgAlterPolicyConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  688e920c_121f_c9ad_65ae_4dc2ba1c7552 -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  17b58266_8517_1ec6_4371_d2c117179460["can()"]
  688e920c_121f_c9ad_65ae_4dc2ba1c7552 -->|method| 17b58266_8517_1ec6_4371_d2c117179460
  7b1239b0_ec02_9b5e_593f_a727e07d3fc0["convert()"]
  688e920c_121f_c9ad_65ae_4dc2ba1c7552 -->|method| 7b1239b0_ec02_9b5e_593f_a727e07d3fc0

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 260–290

class PgAlterPolicyConvertor extends Convertor {
	override can(statement: JsonStatement, dialect: Dialect): boolean {
		return statement.type === 'alter_policy' && dialect === 'postgresql';
	}
	override convert(statement: JsonAlterPolicyStatement, _dialect: any, action?: string): string | string[] {
		const newPolicy = action === 'push'
			? PgSquasher.unsquashPolicyPush(statement.newData)
			: PgSquasher.unsquashPolicy(statement.newData);
		const oldPolicy = action === 'push'
			? PgSquasher.unsquashPolicyPush(statement.oldData)
			: PgSquasher.unsquashPolicy(statement.oldData);

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

		const usingPart = newPolicy.using
			? ` USING (${newPolicy.using})`
			: oldPolicy.using
			? ` USING (${oldPolicy.using})`
			: '';

		const withCheckPart = newPolicy.withCheck
			? ` WITH CHECK (${newPolicy.withCheck})`
			: oldPolicy.withCheck
			? ` WITH CHECK  (${oldPolicy.withCheck})`
			: '';

		return `ALTER POLICY "${oldPolicy.name}" ON ${tableNameWithSchema} TO ${newPolicy.to}${usingPart}${withCheckPart};`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterPolicyConvertor class?
PgAlterPolicyConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterPolicyConvertor defined?
PgAlterPolicyConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 260.

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