astro Architecture Docs
Home / Function/ canRecreateTableWithoutDataLoss() — astro Function Reference

canRecreateTableWithoutDataLoss() — astro Function Reference

Architecture documentation for the canRecreateTableWithoutDataLoss() function in migration-queries.ts from the astro codebase.

Function typescript CoreAstro CoreMiddleware calls 1 called by 1

Entity Profile

Dependency Diagram

graph TD
  e15cd5dc_37f0_2b94_a984_85714025b10b["canRecreateTableWithoutDataLoss()"]
  d1459290_7e42_1f92_05bd_dcc3aeda9fd3["migration-queries.ts"]
  e15cd5dc_37f0_2b94_a984_85714025b10b -->|defined in| d1459290_7e42_1f92_05bd_dcc3aeda9fd3
  d8e591b7_f3dd_5f49_beb9_c9047d4d1e02["getTableChangeQueries()"]
  d8e591b7_f3dd_5f49_beb9_c9047d4d1e02 -->|calls| e15cd5dc_37f0_2b94_a984_85714025b10b
  7682e3a8_d373_faeb_f416_795930ac2f26["canChangeTypeWithoutQuery()"]
  e15cd5dc_37f0_2b94_a984_85714025b10b -->|calls| 7682e3a8_d373_faeb_f416_795930ac2f26
  style e15cd5dc_37f0_2b94_a984_85714025b10b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/db/src/core/cli/migration-queries.ts lines 324–342

function canRecreateTableWithoutDataLoss(
	added: DBColumns,
	updated: UpdatedColumns,
): DataLossResponse {
	for (const [columnName, a] of Object.entries(added)) {
		if (hasPrimaryKey(a) && a.type !== 'number' && !hasDefault(a)) {
			return { dataLoss: true, columnName, reason: 'added-required' };
		}
		if (!a.schema.optional && !hasDefault(a)) {
			return { dataLoss: true, columnName, reason: 'added-required' };
		}
	}
	for (const [columnName, u] of Object.entries(updated)) {
		if (u.old.type !== u.new.type && !canChangeTypeWithoutQuery(u.old, u.new)) {
			return { dataLoss: true, columnName, reason: 'updated-type' };
		}
	}
	return { dataLoss: false };
}

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does canRecreateTableWithoutDataLoss() do?
canRecreateTableWithoutDataLoss() is a function in the astro codebase, defined in packages/db/src/core/cli/migration-queries.ts.
Where is canRecreateTableWithoutDataLoss() defined?
canRecreateTableWithoutDataLoss() is defined in packages/db/src/core/cli/migration-queries.ts at line 324.
What does canRecreateTableWithoutDataLoss() call?
canRecreateTableWithoutDataLoss() calls 1 function(s): canChangeTypeWithoutQuery.
What calls canRecreateTableWithoutDataLoss()?
canRecreateTableWithoutDataLoss() is called by 1 function(s): getTableChangeQueries.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free