bcit-ci/CodeIgniter

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system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php

Summary

Maintainability
D
2 days
Test Coverage

Function __construct has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.
Open

    public function __construct($params)
    {
        parent::__construct($params);

        if (empty($this->dsn))
Severity: Minor
Found in system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php - About 2 hrs 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

Method __construct has 43 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    public function __construct($params)
    {
        parent::__construct($params);

        if (empty($this->dsn))
Severity: Minor
Found in system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php - About 1 hr to fix

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        public function __construct($params)
        {
            parent::__construct($params);
    
            if (empty($this->dsn))
    Severity: Major
    Found in system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php and 1 other location - About 1 day to fix
    system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php on lines 104..159

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 331.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        protected function _list_tables($prefix_limit = FALSE)
        {
            $sql = 'SELECT "tabname" FROM "syscat"."tables"
                WHERE "type" = \'T\' AND LOWER("tabschema") = '.$this->escape(strtolower($this->database));
    
    
    Severity: Major
    Found in system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php and 1 other location - About 1 hr to fix
    system/database/drivers/pdo/subdrivers/pdo_informix_driver.php on lines 140..152

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 97.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

        public function field_data($table)
        {
            $sql = 'SELECT "colname" AS "name", "typename" AS "type", "default" AS "default", "length" AS "max_length",
                    CASE "keyseq" WHEN NULL THEN 0 ELSE 1 END AS "primary_key"
                FROM "syscat"."columns"
    Severity: Major
    Found in system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php and 1 other location - About 1 hr to fix
    system/database/drivers/pdo/subdrivers/pdo_informix_driver.php on lines 190..239

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 85.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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