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Function _sqlite_date_trunc has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def _sqlite_date_trunc(lookup_type, dt):
    dt = _sqlite_datetime_parse(dt)
    if dt is None:
        return None
    if lookup_type == 'year':
Severity: Minor
Found in django/db/backends/sqlite3/base.py - About 25 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"

Further reading

Function alter_db_table has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def alter_db_table(self, model, old_db_table, new_db_table):
        """Rename the table a model points to."""
        if (old_db_table == new_db_table or
            (self.connection.features.ignores_table_name_case and
                old_db_table.lower() == new_db_table.lower())):
Severity: Minor
Found in django/db/backends/base/schema.py - About 25 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"

Further reading

Function fetch_returned_insert_columns has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def fetch_returned_insert_columns(self, cursor, returning_params):
        columns = []
        for param in returning_params:
            value = param.get_value()
            if value is None or value == []:
Severity: Minor
Found in django/db/backends/oracle/operations.py - About 25 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"

Further reading

Function get_db_converters has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def get_db_converters(self, expression):
        converters = super().get_db_converters(expression)
        internal_type = expression.output_field.get_internal_type()
        if internal_type == 'DateTimeField':
            converters.append(self.convert_datetimefield_value)
Severity: Minor
Found in django/db/backends/sqlite3/operations.py - About 25 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"

Further reading

Function _get_index_tablespace_sql has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def _get_index_tablespace_sql(self, model, fields, db_tablespace=None):
        if db_tablespace is None:
            if len(fields) == 1 and fields[0].db_tablespace:
                db_tablespace = fields[0].db_tablespace
            elif model._meta.db_tablespace:
Severity: Minor
Found in django/db/backends/base/schema.py - About 25 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"

Further reading

Function _setup_environment has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def _setup_environment(environ):
    # Cygwin requires some special voodoo to set the environment variables
    # properly so that Oracle will see them.
    if platform.system().upper().startswith('CYGWIN'):
        try:
Severity: Minor
Found in django/db/backends/oracle/base.py - About 25 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"

Further reading

Function init_connection_state has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def init_connection_state(self):
        cursor = self.create_cursor()
        # Set the territory first. The territory overrides NLS_DATE_FORMAT
        # and NLS_TIMESTAMP_FORMAT to the territory default. When all of
        # these are set in single statement it isn't clear what is supposed
Severity: Minor
Found in django/db/backends/oracle/base.py - About 25 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"

Further reading

Function adapt_datetimefield_value has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def adapt_datetimefield_value(self, value):
        if value is None:
            return None

        # Expression values are adapted by the database.
Severity: Minor
Found in django/db/backends/sqlite3/operations.py - About 25 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"

Further reading

Function _destroy_test_db has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def _destroy_test_db(self, test_database_name, verbosity=1):
        """
        Destroy a test database, prompting the user for confirmation if the
        database already exists. Return the name of the test database created.
        """
Severity: Minor
Found in django/db/backends/oracle/creation.py - About 25 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"

Further reading

Function get_table_description has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def get_table_description(self, cursor, table_name):
        """
        Return a description of the table with the DB-API cursor.description
        interface.
        """
Severity: Minor
Found in django/db/backends/sqlite3/introspection.py - About 25 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"

Further reading

Function lookup_cast has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def lookup_cast(self, lookup_type, internal_type=None):
        lookup = '%s'

        # Cast text lookups to text to allow things like filter(x__contains=4)
        if lookup_type in ('iexact', 'contains', 'icontains', 'startswith',
Severity: Minor
Found in django/db/backends/postgresql/operations.py - About 25 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"

Further reading

Function date_extract_sql has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def date_extract_sql(self, lookup_type, field_name):
        if lookup_type == 'week_day':
            # TO_CHAR(field, 'D') returns an integer from 1-7, where 1=Sunday.
            return "TO_CHAR(%s, 'D')" % field_name
        elif lookup_type == 'iso_week_day':
Severity: Minor
Found in django/db/backends/oracle/operations.py - About 25 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"

Further reading

Function get_field_type has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def get_field_type(self, data_type, description):
        field_type = super().get_field_type(data_type, description)
        if description.default and 'nextval' in description.default:
            if field_type == 'IntegerField':
                return 'AutoField'
Severity: Minor
Found in django/db/backends/postgresql/introspection.py - About 25 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"

Further reading

Function _nodb_cursor has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def _nodb_cursor(self):
        try:
            with super()._nodb_cursor() as cursor:
                yield cursor
        except (Database.DatabaseError, WrappedDatabaseError):
Severity: Minor
Found in django/db/backends/postgresql/base.py - About 25 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"

Further reading

Function remove_field has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def remove_field(self, model, field):
        """
        Remove a field from a model. Usually involves deleting a column,
        but for M2Ms may involve deleting a table.
        """
Severity: Minor
Found in django/db/backends/sqlite3/schema.py - About 25 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"

Further reading

Function adapt_datetimefield_value has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def adapt_datetimefield_value(self, value):
        if value is None:
            return None

        # Expression values are adapted by the database.
Severity: Minor
Found in django/db/backends/mysql/operations.py - About 25 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"

Further reading

Function callproc has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def callproc(self, procname, params=None, kparams=None):
        # Keyword parameters for callproc aren't supported in PEP 249, but the
        # database driver may support them (e.g. cx_Oracle).
        if kparams is not None and not self.db.features.supports_callproc_kwargs:
            raise NotSupportedError(
Severity: Minor
Found in django/db/backends/utils.py - About 25 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"

Further reading

Function load_backend has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def load_backend(backend_name):
    """
    Return a database backend's "base" module given a fully qualified database
    backend name, or raise an error if it doesn't exist.
    """
Severity: Minor
Found in django/db/utils.py - About 25 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"

Further reading

Function __init__ has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def __init__(self, media=None, css=None, js=None):
        if media is not None:
            css = getattr(media, 'css', {})
            js = getattr(media, 'js', [])
        else:
Severity: Minor
Found in django/forms/widgets.py - About 25 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"

Further reading

Function to_python has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def to_python(self, value):
        if self.disabled:
            return value
        if value in self.empty_values:
            return None
Severity: Minor
Found in django/forms/fields.py - About 25 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"

Further reading

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