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PgAlterTableAlterColumnDropNotNullConvertor Class — drizzle-orm Architecture

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

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  fa3af49f_f1be_60c4_252a_45d9eff75a15["PgAlterTableAlterColumnDropNotNullConvertor"]
  9f1b3c17_5639_4599_684e_f75b19d534d2["sqlgenerator.ts"]
  fa3af49f_f1be_60c4_252a_45d9eff75a15 -->|defined in| 9f1b3c17_5639_4599_684e_f75b19d534d2
  8a45b668_9b3d_c9b4_5147_42b858697990["can()"]
  fa3af49f_f1be_60c4_252a_45d9eff75a15 -->|method| 8a45b668_9b3d_c9b4_5147_42b858697990
  a854ebb9_a861_dcac_fffb_7daa107ef744["convert()"]
  fa3af49f_f1be_60c4_252a_45d9eff75a15 -->|method| a854ebb9_a861_dcac_fffb_7daa107ef744

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 3313–3330

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

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

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

		return `ALTER TABLE ${tableNameWithSchema} ALTER COLUMN "${columnName}" DROP NOT NULL;`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterTableAlterColumnDropNotNullConvertor class?
PgAlterTableAlterColumnDropNotNullConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterTableAlterColumnDropNotNullConvertor defined?
PgAlterTableAlterColumnDropNotNullConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 3313.

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