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testTablesResolver() — drizzle-orm Function Reference

Architecture documentation for the testTablesResolver() function in schemaDiffer.ts from the drizzle-orm codebase.

Function typescript DrizzleORM RelationalQuery called by 20

Entity Profile

Dependency Diagram

graph TD
  fd1b2256_62ed_ec7e_c677_9d8cbf56136b["testTablesResolver()"]
  fb6b4a65_030b_ce6b_df0d_2be21adcd2b3["schemaDiffer.ts"]
  fd1b2256_62ed_ec7e_c677_9d8cbf56136b -->|defined in| fb6b4a65_030b_ce6b_df0d_2be21adcd2b3
  e15327fc_6c47_0a22_5e26_e5f3a2056272["diffTestSchemasPush()"]
  e15327fc_6c47_0a22_5e26_e5f3a2056272 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  a9b90700_95b1_2733_ec44_94b71b29bd74["applyPgDiffs()"]
  a9b90700_95b1_2733_ec44_94b71b29bd74 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  c00494ea_6230_22b6_9b91_d37781a8ac08["diffTestSchemas()"]
  c00494ea_6230_22b6_9b91_d37781a8ac08 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  80675dbe_974e_8184_3152_575e76219c4a["diffTestSchemasPushMysql()"]
  80675dbe_974e_8184_3152_575e76219c4a -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  54ca5813_630b_5da2_847e_de001e848a8c["applyMySqlDiffs()"]
  54ca5813_630b_5da2_847e_de001e848a8c -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  c773074f_07b6_08cd_c3ec_75126530b1c5["diffTestSchemasMysql()"]
  c773074f_07b6_08cd_c3ec_75126530b1c5 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  71887843_e685_2fe9_f3a7_549f6e355d64["diffTestSchemasSingleStore()"]
  71887843_e685_2fe9_f3a7_549f6e355d64 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  bc002c34_a98e_d525_e2d6_5039b1edf66e["diffTestSchemasPushSingleStore()"]
  bc002c34_a98e_d525_e2d6_5039b1edf66e -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  cf9722d5_e3b3_fa2b_488c_913fd17a2e54["applySingleStoreDiffs()"]
  cf9722d5_e3b3_fa2b_488c_913fd17a2e54 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  cb68215e_fbbc_c2e1_0cbe_6e65ee0bd145["diffTestSchemasPushSqlite()"]
  cb68215e_fbbc_c2e1_0cbe_6e65ee0bd145 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  68ca323e_4506_d486_b587_96a21ba359f3["diffTestSchemasPushLibSQL()"]
  68ca323e_4506_d486_b587_96a21ba359f3 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  0edb9fbe_a5ec_9995_347a_9ea655353950["applySqliteDiffs()"]
  0edb9fbe_a5ec_9995_347a_9ea655353950 -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  bf733442_f700_0747_b445_7417f19f76ae["applyLibSQLDiffs()"]
  bf733442_f700_0747_b445_7417f19f76ae -->|calls| fd1b2256_62ed_ec7e_c677_9d8cbf56136b
  style fd1b2256_62ed_ec7e_c677_9d8cbf56136b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/tests/schemaDiffer.ts lines 324–398

export const testTablesResolver = (renames: Set<string>) =>
async (
	input: ResolverInput<Table>,
): Promise<ResolverOutputWithMoved<Table>> => {
	try {
		if (
			input.created.length === 0
			|| input.deleted.length === 0
			|| renames.size === 0
		) {
			return {
				created: input.created,
				moved: [],
				renamed: [],
				deleted: input.deleted,
			};
		}

		let createdTables = [...input.created];
		let deletedTables = [...input.deleted];

		const result: {
			created: Table[];
			moved: { name: string; schemaFrom: string; schemaTo: string }[];
			renamed: { from: Table; to: Table }[];
			deleted: Table[];
		} = { created: [], renamed: [], deleted: [], moved: [] };

		for (let rename of renames) {
			const [from, to] = rename.split('->');

			const idxFrom = deletedTables.findIndex((it) => {
				return `${it.schema || 'public'}.${it.name}` === from;
			});

			if (idxFrom >= 0) {
				const idxTo = createdTables.findIndex((it) => {
					return `${it.schema || 'public'}.${it.name}` === to;
				});

				const tableFrom = deletedTables[idxFrom];
				const tableTo = createdTables[idxFrom];

				if (tableFrom.schema !== tableTo.schema) {
					result.moved.push({
						name: tableFrom.name,
						schemaFrom: tableFrom.schema,
						schemaTo: tableTo.schema,
					});
				}

				if (tableFrom.name !== tableTo.name) {
					result.renamed.push({
						from: deletedTables[idxFrom],
						to: createdTables[idxTo],
					});
				}

				delete createdTables[idxTo];
				delete deletedTables[idxFrom];

				createdTables = createdTables.filter(Boolean);
				deletedTables = deletedTables.filter(Boolean);
			}
		}

		result.created = createdTables;
		result.deleted = deletedTables;

		return result;
	} catch (e) {
		console.error(e);
		throw e;
	}
};

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Frequently Asked Questions

What does testTablesResolver() do?
testTablesResolver() is a function in the drizzle-orm codebase, defined in drizzle-kit/tests/schemaDiffer.ts.
Where is testTablesResolver() defined?
testTablesResolver() is defined in drizzle-kit/tests/schemaDiffer.ts at line 324.
What calls testTablesResolver()?
testTablesResolver() is called by 20 function(s): applyLibSQLDiffs, applyMySqlDiffs, applyPgDiffs, applySingleStoreDiffs, applySqliteDiffs, diffTestSchemas, diffTestSchemasLibSQL, diffTestSchemasMysql, and 12 more.

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