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src/sql/MySQL/Driver.php

Summary

Maintainability
F
2 wks
Test Coverage

File Driver.php has 535 lines of code (exceeds 250 allowed). Consider refactoring.
Open

<?php
/**
 * Created by PhpStorm.
 * User: macbookpro
 * Date: 15.02.2018
Severity: Major
Found in src/sql/MySQL/Driver.php - About 1 day to fix

    Function select has a Cognitive Complexity of 44 (exceeds 5 allowed). Consider refactoring.
    Open

        protected static function select(array &$stack, Statement\Select $statement)
    {
        self::literal($stack, 'SELECT ');

        if (!$statement->projection) {
    Severity: Minor
    Found in src/sql/MySQL/Driver.php - About 6 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

    Function build has a Cognitive Complexity of 41 (exceeds 5 allowed). Consider refactoring.
    Open

        public function build($statement): array
    {
        $stack = [];
        $sql = [];
        $values = [];
    Severity: Minor
    Found in src/sql/MySQL/Driver.php - About 6 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 build has 111 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        public function build($statement): array
    {
        $stack = [];
        $sql = [];
        $values = [];
    Severity: Major
    Found in src/sql/MySQL/Driver.php - About 4 hrs to fix

      Function insert has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
      Open

          protected function insert(array &$stack, Statement\Insert $statement)
    {
        self::literal($stack, 'INSERT INTO ');
        self::identifier($stack, $statement->source);
        self::literal($stack, ' (');
      Severity: Minor
      Found in src/sql/MySQL/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

      Function update has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.
      Open

          protected function update(array &$stack, Statement\Update $statement)
    {
        self::literal($stack, 'UPDATE ');
        if ($statement->offset) {
            self::identifier($stack, $statement->source);
      Severity: Minor
      Found in src/sql/MySQL/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 select has 55 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          protected static function select(array &$stack, Statement\Select $statement)
    {
        self::literal($stack, 'SELECT ');

        if (!$statement->projection) {
      Severity: Major
      Found in src/sql/MySQL/Driver.php - About 2 hrs to fix

        Method update has 52 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

            protected function update(array &$stack, Statement\Update $statement)
    {
        self::literal($stack, 'UPDATE ');
        if ($statement->offset) {
            self::identifier($stack, $statement->source);
        Severity: Major
        Found in src/sql/MySQL/Driver.php - About 2 hrs to fix

          Function delete has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
          Open

              protected function delete(array &$stack, Statement\Delete $statement)
    {
        if ($statement->offset) {
          Severity: Minor
          Found in src/sql/MySQL/Driver.php - About 1 hr 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 execute has 38 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

              public function execute(Statement\Modifier $query): Result
    {
        [$sql, $params] = $this->build($query);
        if ($params) {
            $stmt = $this->pdo->prepare($sql);
          Severity: Minor
          Found in src/sql/MySQL/Driver.php - About 1 hr to fix

            Method delete has 38 lines of code (exceeds 25 allowed). Consider refactoring.
            Open

                protected function delete(array &$stack, Statement\Delete $statement)
    {
        if ($statement->offset) {
            Severity: Minor
            Found in src/sql/MySQL/Driver.php - About 1 hr to fix

              Method insert has 33 lines of code (exceeds 25 allowed). Consider refactoring.
              Open

                  protected function insert(array &$stack, Statement\Insert $statement)
    {
        self::literal($stack, 'INSERT INTO ');
        self::identifier($stack, $statement->source);
        self::literal($stack, ' (');
              Severity: Minor
              Found in src/sql/MySQL/Driver.php - About 1 hr to fix

                Function count has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
                Open

                    protected function count(array &$stack, Statement\Count $statement)
    {
        if ($statement->limit || $statement->offset || $statement->order || $statement->join) {
            self::literal($stack, 'SELECT COUNT(*) FROM (');
            $sub = new Statement\Select($statement->source);
                Severity: Minor
                Found in src/sql/MySQL/Driver.php - About 1 hr 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 condition has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
                Open

                    protected static function condition(array &$stack, $value)
    {
        if (!$value) {
            return;
        }
                Severity: Minor
                Found in src/sql/MySQL/Driver.php - About 1 hr 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 execute has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
                Open

                    public function execute(Statement\Modifier $query): Result
    {
        [$sql, $params] = $this->build($query);
        if ($params) {
            $stmt = $this->pdo->prepare($sql);
                Severity: Minor
                Found in src/sql/MySQL/Driver.php - About 1 hr 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 order has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
                Open

                    protected static function order(array &$stack, ?array $order)
    {
        if ($order) {
            self::literal($stack, ' ORDER BY ');
            $coma = false;
                Severity: Minor
                Found in src/sql/MySQL/Driver.php - About 55 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

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

                        if (!$statement->projection) {
            self::literal($stack, '*');
        } else {
            $coma = false;
            foreach ($statement->projection as $key => $val) {
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 day to fix
                src/sql/PostgreSQL/Driver.php on lines 290..330

                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 327.

                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

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

                    public function execute(Statement\Modifier $query): Result
    {
        [$sql, $params] = $this->build($query);
        if ($params) {
            $stmt = $this->pdo->prepare($sql);
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 day to fix
                src/sql/PostgreSQL/Driver.php on lines 575..623

                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 324.

                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

                        if ($statement->offset) {


            self::literal($stack, 'DELETE FROM ');
            self::identifier($stack, $statement->source);
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 day to fix
                src/sql/PostgreSQL/Driver.php on lines 243..283

                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 292.

                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

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

                    protected function count(array &$stack, Statement\Count $statement)
    {
        if ($statement->limit || $statement->offset || $statement->order || $statement->join) {
            self::literal($stack, 'SELECT COUNT(*) FROM (');
            $sub = new Statement\Select($statement->source);
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 day to fix
                src/sql/PostgreSQL/Driver.php on lines 170..197

                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 274.

                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

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

                                case 'in':
                    if (is_array($statement[1])) {
                        self::literal($stack, '(');
                        foreach ($statement[1] as $i => $c) {
                            if ($i) self::literal($stack, ',');
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 day to fix
                src/sql/PostgreSQL/Driver.php on lines 488..515

                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 264.

                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

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

                        if (!isset($value[0])) {
            $sep = false;
            $isMulti = count($value) > 1;
            $isMulti && self::literal($stack, '(');
            foreach ($value as $key => $val) {
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 4 hrs to fix
                src/sql/PostgreSQL/Driver.php on lines 117..134

                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 165.

                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 static function columns(array &$stack, Statement\Columns $statement)
    {
        if (strpos($statement->sourceName, '.') !== false) {
            [$db, $table] = array_map(function ($val) {
                return "\"$val\"";
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 3 hrs to fix
                src/sql/PostgreSQL/Driver.php on lines 137..150

                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 157.

                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

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

                    protected static function join(array &$stack, Statement\Join $statement)
    {
        switch ($statement->type) {
            case Statement\Join::LEFT:
                self::literal($stack, ' LEFT JOIN ');
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 2 hrs to fix
                src/sql/PostgreSQL/Driver.php on lines 152..168

                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 127.

                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

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

                                case 'or':
                    $expressions = array_slice($statement, 2);
                    self::literal($stack, '(');
                    self::condition($stack, $statement[1]);
                    $word = $statement[0] === 'and' ? 'AND' : 'OR';
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 2 hrs to fix
                src/sql/PostgreSQL/Driver.php on lines 477..487

                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 122.

                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

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

                        foreach ($statement->values as $i => $values) {
            if ($i) self::literal($stack, ', ');
            self::literal($stack, ' (');
            foreach ($values as $j => $value) {
                if ($j) self::literal($stack, ', ');
                Severity: Major
                Found in src/sql/MySQL/Driver.php and 1 other location - About 1 hr to fix
                src/sql/PostgreSQL/Driver.php on lines 209..221

                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 119.

                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

                                case self::OP_VALUE:
                    $s = '';
                    foreach ((array)$statement[1] as $i => $arg) {
                        $id = sprintf("X0%x", $ph++);
                        $values[$id] = $arg;
                Severity: Minor
                Found in src/sql/MySQL/Driver.php and 1 other location - About 30 mins to fix
                src/sql/PostgreSQL/Driver.php on lines 454..465

                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 91.

                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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