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AlterPgSequenceConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  1214ae4f_2692_e5b9_fd07_743098dedf47["AlterPgSequenceConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  1214ae4f_2692_e5b9_fd07_743098dedf47 -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  3ad13c0c_68d9_8aad_fecb_de061531c013["can()"]
  1214ae4f_2692_e5b9_fd07_743098dedf47 -->|method| 3ad13c0c_68d9_8aad_fecb_de061531c013
  d079f01d_e6e6_b6e9_e9dd_fef552baaf81["convert()"]
  1214ae4f_2692_e5b9_fd07_743098dedf47 -->|method| d079f01d_e6e6_b6e9_e9dd_fef552baaf81

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1355–1373

class AlterPgSequenceConvertor extends Convertor {
	can(statement: JsonStatement, dialect: Dialect): boolean {
		return statement.type === 'alter_sequence' && dialect === 'postgresql';
	}

	convert(st: JsonAlterSequenceStatement) {
		const { name, schema, values } = st;

		const { increment, minValue, maxValue, startWith, cache, cycle } = values;

		const sequenceWithSchema = schema ? `"${schema}"."${name}"` : `"${name}"`;

		return `ALTER SEQUENCE ${sequenceWithSchema}${increment ? ` INCREMENT BY ${increment}` : ''}${
			minValue ? ` MINVALUE ${minValue}` : ''
		}${maxValue ? ` MAXVALUE ${maxValue}` : ''}${startWith ? ` START WITH ${startWith}` : ''}${
			cache ? ` CACHE ${cache}` : ''
		}${cycle ? ` CYCLE` : ''};`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the AlterPgSequenceConvertor class?
AlterPgSequenceConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is AlterPgSequenceConvertor defined?
AlterPgSequenceConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1355.

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