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QueueClassic/queue_classic

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Method lock has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
Open

    def lock
      QC.log_yield(measure: 'queue.lock') do
        s = <<~SQL
          WITH selected_job AS (
            SELECT id
Severity: Minor
Found in lib/queue_classic/queue.rb - 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 lock has 33 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    def lock
      QC.log_yield(measure: 'queue.lock') do
        s = <<~SQL
          WITH selected_job AS (
            SELECT id
Severity: Minor
Found in lib/queue_classic/queue.rb - About 1 hr to fix

    Method enqueue_in has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

        def enqueue_in(seconds, method, *args)
      QC.log_yield(measure: 'queue.enqueue') do
        s = "INSERT INTO #{QC.table_name} (q_name, method, args, scheduled_at)
             VALUES ($1, $2, $3, now() + interval '#{seconds.to_i} seconds')
             RETURNING id"
    Severity: Minor
    Found in lib/queue_classic/queue.rb - About 45 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

    Method enqueue has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

        def enqueue(method, *args)
      QC.log_yield(measure: 'queue.enqueue') do
        s = "INSERT INTO #{QC.table_name} (q_name, method, args) VALUES ($1, $2, $3) RETURNING id"
        begin
          retries ||= 0
    Severity: Minor
    Found in lib/queue_classic/queue.rb - About 45 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

    Method execute has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
    Open

        def execute(stmt, *params)
      @mutex.synchronize do
        QC.log(at: 'exec_sql', sql: stmt.inspect)
        begin
          params = nil if params.empty?
    Severity: Minor
    Found in lib/queue_classic/conn_adapter.rb - 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"

    Further reading

    Similar blocks of code found in 3 locations. Consider refactoring.
    Open

        def self.update_to_3_0_0(c = QC.default_conn_adapter.connection)
      conn = QC::ConnAdapter.new(connection: c)
      conn.execute(File.read(UpgradeTo_3_0_0))
      conn.execute(File.read(DropSqlFunctions))
      conn.execute(File.read(SqlFunctions))
    Severity: Minor
    Found in lib/queue_classic/setup.rb and 2 other locations - About 25 mins to fix
    lib/queue_classic/setup.rb on lines 52..56
    lib/queue_classic/setup.rb on lines 64..68

    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 29.

    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 3 locations. Consider refactoring.
    Open

        def self.update_to_3_1_0(c = QC.default_conn_adapter.connection)
      conn = QC::ConnAdapter.new(connection: c)
      conn.execute(File.read(UpgradeTo_3_1_0))
      conn.execute(File.read(DropSqlFunctions))
      conn.execute(File.read(SqlFunctions))
    Severity: Minor
    Found in lib/queue_classic/setup.rb and 2 other locations - About 25 mins to fix
    lib/queue_classic/setup.rb on lines 40..44
    lib/queue_classic/setup.rb on lines 64..68

    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 29.

    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 3 locations. Consider refactoring.
    Open

        def self.update_to_4_0_0(c = QC.default_conn_adapter.connection)
      conn = QC::ConnAdapter.new(connection: c)
      conn.execute(File.read(UpgradeTo_4_0_0))
      conn.execute(File.read(DropSqlFunctions))
      conn.execute(File.read(SqlFunctions))
    Severity: Minor
    Found in lib/queue_classic/setup.rb and 2 other locations - About 25 mins to fix
    lib/queue_classic/setup.rb on lines 40..44
    lib/queue_classic/setup.rb on lines 52..56

    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 29.

    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

            begin
          retries ||= 0
          conn_adapter.execute(s, name, method, JSON.dump(args))
        rescue PG::Error
          raise unless (retries += 1) < 2
    Severity: Minor
    Found in lib/queue_classic/queue.rb and 1 other location - About 20 mins to fix
    lib/queue_classic/queue.rb on lines 74..80

    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 27.

    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

            begin
          retries ||= 0
          conn_adapter.execute(s, name, method, JSON.dump(args))
        rescue PG::Error
          raise unless (retries += 1) < 2
    Severity: Minor
    Found in lib/queue_classic/queue.rb and 1 other location - About 20 mins to fix
    lib/queue_classic/queue.rb on lines 41..47

    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 27.

    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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