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PgAlterTableDropColumnConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  225d8de8_de44_91b4_01cd_de0a068e6923["PgAlterTableDropColumnConvertor"]
  9f1b3c17_5639_4599_684e_f75b19d534d2["sqlgenerator.ts"]
  225d8de8_de44_91b4_01cd_de0a068e6923 -->|defined in| 9f1b3c17_5639_4599_684e_f75b19d534d2
  1002f759_5e8a_782d_20c4_551b4f450454["can()"]
  225d8de8_de44_91b4_01cd_de0a068e6923 -->|method| 1002f759_5e8a_782d_20c4_551b4f450454
  8c2db73f_eb51_1ea1_b886_cd041916fd25["convert()"]
  225d8de8_de44_91b4_01cd_de0a068e6923 -->|method| 8c2db73f_eb51_1ea1_b886_cd041916fd25

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1686–1702

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

	convert(statement: JsonDropColumnStatement) {
		const { tableName, columnName, schema } = statement;

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

		return `ALTER TABLE ${tableNameWithSchema} DROP COLUMN "${columnName}";`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterTableDropColumnConvertor class?
PgAlterTableDropColumnConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterTableDropColumnConvertor defined?
PgAlterTableDropColumnConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1686.

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