datadepend

type Analyzer struct {
	Options
}

type ColumnHandler func(*ColumnPass) ([]sqlcheck.Diagnostic, error)

type ColumnPass struct {
	*sqlcheck.Pass
	Change *sqlcheck.Change // Change context (statement).
	Table  *schema.Table    // The table this column belongs to.
	Column *schema.Column   // The diagnosed column.
}

type Options struct {
	// UniqueIndex indicates if the analyzer should check for modification or
	// addition of unique indexes to tables that can cause migration to fail.
	UniqueIndex *bool `spec:"drop_schema,omitempty"`

	// NotNull indicates if the analyzer should check for modification
	// or addition of NOT NULL constraints to columns.
	NotNull *bool `spec:"not_null,omitempty"`

	// Underlying driver handlers.
	Handler struct {
		// AddNotNull is applied when a new non-nullable column was
		// added to an existing table.
		AddNotNull ColumnHandler
	}
}