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singleStoreCombineStatements() — drizzle-orm Function Reference

Architecture documentation for the singleStoreCombineStatements() function in statementCombiner.ts from the drizzle-orm codebase.

Function typescript DrizzleKit Introspection calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  b8879ab0_6fb8_f5fc_937a_31ddbde3804f["singleStoreCombineStatements()"]
  21a395af_9564_2dbd_9ea9_060ad50ee7a0["statementCombiner.ts"]
  b8879ab0_6fb8_f5fc_937a_31ddbde3804f -->|defined in| 21a395af_9564_2dbd_9ea9_060ad50ee7a0
  d4992b27_bf78_8099_5134_750cef1c518c["applySingleStoreSnapshotsDiff()"]
  d4992b27_bf78_8099_5134_750cef1c518c -->|calls| b8879ab0_6fb8_f5fc_937a_31ddbde3804f
  8bb59420_0ac2_e04d_e01a_47343f29242b["prepareSingleStoreRecreateTable()"]
  b8879ab0_6fb8_f5fc_937a_31ddbde3804f -->|calls| 8bb59420_0ac2_e04d_e01a_47343f29242b
  style b8879ab0_6fb8_f5fc_937a_31ddbde3804f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/statementCombiner.ts lines 472–597

export const singleStoreCombineStatements = (
	statements: JsonStatement[],
	json2: SingleStoreSchemaSquashed,
) => {
	const newStatements: Record<string, JsonStatement[]> = {};

	for (const statement of statements) {
		if (
			statement.type === 'alter_table_alter_column_set_type'
			|| statement.type === 'alter_table_alter_column_set_notnull'
			|| statement.type === 'alter_table_alter_column_drop_notnull'
			|| statement.type === 'alter_table_alter_column_drop_autoincrement'
			|| statement.type === 'alter_table_alter_column_set_autoincrement'
			|| statement.type === 'alter_table_alter_column_drop_pk'
			|| statement.type === 'alter_table_alter_column_set_pk'
			|| statement.type === 'create_composite_pk'
			|| statement.type === 'alter_composite_pk'
			|| statement.type === 'delete_composite_pk'
		) {
			const tableName = statement.tableName;

			const statementsForTable = newStatements[tableName];

			if (!statementsForTable) {
				newStatements[tableName] = prepareSingleStoreRecreateTable(json2.tables[tableName]);
				continue;
			}

			if (!statementsForTable.some(({ type }) => type === 'recreate_table')) {
				const wasRename = statementsForTable.some(({ type }) =>
					type === 'rename_table' || type === 'alter_table_rename_column'
				);
				const preparedStatements = prepareSingleStoreRecreateTable(json2.tables[tableName]);

				if (wasRename) {
					newStatements[tableName].push(...preparedStatements);
				} else {
					newStatements[tableName] = preparedStatements;
				}

				continue;
			}

			continue;
		}

		if (
			(statement.type === 'alter_table_alter_column_drop_default'
				|| statement.type === 'alter_table_alter_column_set_default') && statement.columnNotNull
		) {
			const tableName = statement.tableName;

			const statementsForTable = newStatements[tableName];

			if (!statementsForTable) {
				newStatements[tableName] = prepareSingleStoreRecreateTable(json2.tables[tableName]);
				continue;
			}

			if (!statementsForTable.some(({ type }) => type === 'recreate_table')) {
				const wasRename = statementsForTable.some(({ type }) => type === 'rename_table');
				const preparedStatements = prepareSingleStoreRecreateTable(json2.tables[tableName]);

				if (wasRename) {
					newStatements[tableName].push(...preparedStatements);
				} else {
					newStatements[tableName] = preparedStatements;
				}

				continue;
			}

			continue;
		}

		if (statement.type === 'alter_table_add_column' && statement.column.primaryKey) {
			const tableName = statement.tableName;

			const statementsForTable = newStatements[tableName];

			if (!statementsForTable) {

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does singleStoreCombineStatements() do?
singleStoreCombineStatements() is a function in the drizzle-orm codebase, defined in drizzle-kit/src/statementCombiner.ts.
Where is singleStoreCombineStatements() defined?
singleStoreCombineStatements() is defined in drizzle-kit/src/statementCombiner.ts at line 472.
What does singleStoreCombineStatements() call?
singleStoreCombineStatements() calls 1 function(s): prepareSingleStoreRecreateTable.
What calls singleStoreCombineStatements()?
singleStoreCombineStatements() is called by 1 function(s): applySingleStoreSnapshotsDiff.

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