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ManualViewBuilder Class — drizzle-orm Architecture

Architecture documentation for the ManualViewBuilder class in view.ts from the drizzle-orm codebase.

Class typescript DrizzleORM

Entity Profile

Dependency Diagram

graph TD
  f1d3b33b_1bbb_c2e2_ddee_e622b196789b["ManualViewBuilder"]
  f3a29a26_df86_4100_d5ea_bc3a420b1722["view.ts"]
  f1d3b33b_1bbb_c2e2_ddee_e622b196789b -->|defined in| f3a29a26_df86_4100_d5ea_bc3a420b1722
  4472a230_8b4f_21d2_d5cb_0acb52f6ee17["constructor()"]
  f1d3b33b_1bbb_c2e2_ddee_e622b196789b -->|method| 4472a230_8b4f_21d2_d5cb_0acb52f6ee17
  cf3ceb06_abba_cd5d_8ecf_3e7af9ea81fe["existing()"]
  f1d3b33b_1bbb_c2e2_ddee_e622b196789b -->|method| cf3ceb06_abba_cd5d_8ecf_3e7af9ea81fe
  86d9024a_421d_3c30_fb55_5e420400b077["as()"]
  f1d3b33b_1bbb_c2e2_ddee_e622b196789b -->|method| 86d9024a_421d_3c30_fb55_5e420400b077

Relationship Graph

Source Code

drizzle-orm/src/mysql-core/view.ts lines 88–144

export class ManualViewBuilder<
	TName extends string = string,
	TColumns extends Record<string, MySqlColumnBuilderBase> = Record<string, MySqlColumnBuilderBase>,
> extends ViewBuilderCore<{ name: TName; columns: TColumns }> {
	static override readonly [entityKind]: string = 'MySqlManualViewBuilder';

	private columns: Record<string, MySqlColumn>;

	constructor(
		name: TName,
		columns: TColumns,
		schema: string | undefined,
	) {
		super(name, schema);
		this.columns = getTableColumns(mysqlTable(name, columns)) as BuildColumns<TName, TColumns, 'mysql'>;
	}

	existing(): MySqlViewWithSelection<TName, true, BuildColumns<TName, TColumns, 'mysql'>> {
		return new Proxy(
			new MySqlView({
				mysqlConfig: undefined,
				config: {
					name: this.name,
					schema: this.schema,
					selectedFields: this.columns,
					query: undefined,
				},
			}),
			new SelectionProxyHandler({
				alias: this.name,
				sqlBehavior: 'error',
				sqlAliasedBehavior: 'alias',
				replaceOriginalName: true,
			}),
		) as MySqlViewWithSelection<TName, true, BuildColumns<TName, TColumns, 'mysql'>>;
	}

	as(query: SQL): MySqlViewWithSelection<TName, false, BuildColumns<TName, TColumns, 'mysql'>> {
		return new Proxy(
			new MySqlView({
				mysqlConfig: this.config,
				config: {
					name: this.name,
					schema: this.schema,
					selectedFields: this.columns,
					query: query.inlineParams(),
				},
			}),
			new SelectionProxyHandler({
				alias: this.name,
				sqlBehavior: 'error',
				sqlAliasedBehavior: 'alias',
				replaceOriginalName: true,
			}),
		) as MySqlViewWithSelection<TName, false, BuildColumns<TName, TColumns, 'mysql'>>;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the ManualViewBuilder class?
ManualViewBuilder is a class in the drizzle-orm codebase, defined in drizzle-orm/src/mysql-core/view.ts.
Where is ManualViewBuilder defined?
ManualViewBuilder is defined in drizzle-orm/src/mysql-core/view.ts at line 88.

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