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PgTimestampString Class — drizzle-orm Architecture

Architecture documentation for the PgTimestampString class in timestamp.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  5dafd4db_e70f_41bc_554b_872fae3209da["PgTimestampString"]
  a7bcec86_fec9_446d_0dc2_721126dd50c7["timestamp.ts"]
  5dafd4db_e70f_41bc_554b_872fae3209da -->|defined in| a7bcec86_fec9_446d_0dc2_721126dd50c7
  7ff40f34_165d_f134_f535_3285a51b4bb2["constructor()"]
  5dafd4db_e70f_41bc_554b_872fae3209da -->|method| 7ff40f34_165d_f134_f535_3285a51b4bb2
  8a373000_0682_2557_a5cd_b89d3330ea51["getSQLType()"]
  5dafd4db_e70f_41bc_554b_872fae3209da -->|method| 8a373000_0682_2557_a5cd_b89d3330ea51
  13d1ea24_6f54_9a64_be6b_382bf562c583["mapFromDriverValue()"]
  5dafd4db_e70f_41bc_554b_872fae3209da -->|method| 13d1ea24_6f54_9a64_be6b_382bf562c583

Relationship Graph

Source Code

drizzle-orm/src/pg-core/columns/timestamp.ts lines 110–139

export class PgTimestampString<T extends ColumnBaseConfig<'string', 'PgTimestampString'>> extends PgColumn<T> {
	static override readonly [entityKind]: string = 'PgTimestampString';

	readonly withTimezone: boolean;
	readonly precision: number | undefined;

	constructor(table: AnyPgTable<{ name: T['tableName'] }>, config: PgTimestampStringBuilder<T>['config']) {
		super(table, config);
		this.withTimezone = config.withTimezone;
		this.precision = config.precision;
	}

	getSQLType(): string {
		const precision = this.precision === undefined ? '' : `(${this.precision})`;
		return `timestamp${precision}${this.withTimezone ? ' with time zone' : ''}`;
	}

	override mapFromDriverValue(value: Date | string): string {
		if (typeof value === 'string') return value;

		const shortened = value.toISOString().slice(0, -1).replace('T', ' ');
		if (this.withTimezone) {
			const offset = value.getTimezoneOffset();
			const sign = offset <= 0 ? '+' : '-';
			return `${shortened}${sign}${Math.floor(Math.abs(offset) / 60).toString().padStart(2, '0')}`;
		}

		return shortened;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgTimestampString class?
PgTimestampString is a class in the drizzle-orm codebase, defined in drizzle-orm/src/pg-core/columns/timestamp.ts.
Where is PgTimestampString defined?
PgTimestampString is defined in drizzle-orm/src/pg-core/columns/timestamp.ts at line 110.

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