constructor() — drizzle-orm Function Reference

Architecture documentation for the constructor() function in count.ts from the drizzle-orm codebase.

Function typescript DrizzleORM SQLDialects calls 2

Entity Profile

DrizzleORM→ SQLDialects→ constructor() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  6d22c227_e20e_6c6f_6c2b_f80c229811b3["constructor()"]
  7ca41881_9524_bd95_d93b_aa44d5e89fa7["MySqlCountBuilder"]
  6d22c227_e20e_6c6f_6c2b_f80c229811b3 -->|defined in| 7ca41881_9524_bd95_d93b_aa44d5e89fa7
  6261180a_f546_fc42_f336_61946fd294d0["buildEmbeddedCount()"]
  6d22c227_e20e_6c6f_6c2b_f80c229811b3 -->|calls| 6261180a_f546_fc42_f336_61946fd294d0
  c009b554_f184_1c54_fa5b_bf0a0e5df73f["buildCount()"]
  6d22c227_e20e_6c6f_6c2b_f80c229811b3 -->|calls| c009b554_f184_1c54_fa5b_bf0a0e5df73f
  style 6d22c227_e20e_6c6f_6c2b_f80c229811b3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/mysql-core/query-builders/count.ts lines 31–48

	constructor(
		readonly params: {
			source: MySqlTable | MySqlViewBase | SQL | SQLWrapper;
			filters?: SQL<unknown>;
			session: TSession;
		},
	) {
		super(MySqlCountBuilder.buildEmbeddedCount(params.source, params.filters).queryChunks);

		this.mapWith(Number);

		this.session = params.session;

		this.sql = MySqlCountBuilder.buildCount(
			params.source,
			params.filters,
		);
	}