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django/db/backends/mysql/schema.py

Summary

Maintainability
A
3 hrs
Test Coverage

DatabaseSchemaEditor has 22 functions (exceeds 20 allowed). Consider refactoring.
Open

class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
    sql_rename_table = "RENAME TABLE %(old_table)s TO %(new_table)s"

    sql_alter_column_null = "MODIFY %(column)s %(type)s NULL"
    sql_alter_column_not_null = "MODIFY %(column)s %(type)s NOT NULL"
Severity: Minor
Found in django/db/backends/mysql/schema.py - About 2 hrs to fix

    Function _alter_column_type_sql has 6 arguments (exceeds 4 allowed). Consider refactoring.
    Open

        def _alter_column_type_sql(
    Severity: Minor
    Found in django/db/backends/mysql/schema.py - About 45 mins to fix

      Function _create_missing_fk_index has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
      Open

          def _create_missing_fk_index(
        self,
        model,
        *,
        fields,
      Severity: Minor
      Found in django/db/backends/mysql/schema.py - About 35 mins to fix

      Cognitive Complexity

      Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

      A method's cognitive complexity is based on a few simple rules:

      • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
      • Code is considered more complex for each "break in the linear flow of the code"
      • Code is considered more complex when "flow breaking structures are nested"

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