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_prepareAddColumns() — drizzle-orm Function Reference

Architecture documentation for the _prepareAddColumns() function in jsonStatements.ts from the drizzle-orm codebase.

Function typescript DrizzleKit SchemaDiffer called by 3

Entity Profile

Dependency Diagram

graph TD
  47e947b4_4a36_1abe_6fb2_ad7824838b64["_prepareAddColumns()"]
  6139f734_8ada_c641_9fec_9a55cfdf376f["jsonStatements.ts"]
  47e947b4_4a36_1abe_6fb2_ad7824838b64 -->|defined in| 6139f734_8ada_c641_9fec_9a55cfdf376f
  c7a398db_43c9_7771_09b7_73bc09e703e8["applyPgSnapshotsDiff()"]
  c7a398db_43c9_7771_09b7_73bc09e703e8 -->|calls| 47e947b4_4a36_1abe_6fb2_ad7824838b64
  a5972ffc_ff1b_9523_2495_5373af710e65["applyMysqlSnapshotsDiff()"]
  a5972ffc_ff1b_9523_2495_5373af710e65 -->|calls| 47e947b4_4a36_1abe_6fb2_ad7824838b64
  d4992b27_bf78_8099_5134_750cef1c518c["applySingleStoreSnapshotsDiff()"]
  d4992b27_bf78_8099_5134_750cef1c518c -->|calls| 47e947b4_4a36_1abe_6fb2_ad7824838b64
  style 47e947b4_4a36_1abe_6fb2_ad7824838b64 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-kit/src/jsonStatements.ts lines 1317–1330

export const _prepareAddColumns = (
	tableName: string,
	schema: string,
	columns: Column[],
): JsonAddColumnStatement[] => {
	return columns.map((it) => {
		return {
			type: 'alter_table_add_column',
			tableName: tableName,
			column: it,
			schema,
		};
	});
};

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Frequently Asked Questions

What does _prepareAddColumns() do?
_prepareAddColumns() is a function in the drizzle-orm codebase, defined in drizzle-kit/src/jsonStatements.ts.
Where is _prepareAddColumns() defined?
_prepareAddColumns() is defined in drizzle-kit/src/jsonStatements.ts at line 1317.
What calls _prepareAddColumns()?
_prepareAddColumns() is called by 3 function(s): applyMysqlSnapshotsDiff, applyPgSnapshotsDiff, applySingleStoreSnapshotsDiff.

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