Class QueryLogger

This class is a bridge used to write LoggedQuery objects into a real log.

by default this class use the built-in CakePHP Log class to accomplish this

Namespace: Cake\Database\Log

Properties summary

Method Summary

  • __construct() public

    Constructor.

  • _configDelete() protected

    Deletes a single config key.

  • _configRead() protected

    Reads a config key.

  • _configWrite() protected

    Writes a config key.

  • _format() protected

    Formats the message to be logged.

  • _getFormattedDate() protected

    Returns date formatted according to given dateFormat option format.

  • alert() public

    Action must be taken immediately.

  • configShallow() public

    Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.

  • critical() public

    Critical conditions.

  • debug() public

    Detailed debug information.

  • emergency() public

    System is unusable.

  • error() public

    Runtime errors that do not require immediate action but should typically be logged and monitored.

  • getConfig() public

    Returns the config.

  • getConfigOrFail() public

    Returns the config for this specific key.

  • info() public

    Interesting events.

  • levels() public

    Get the levels this logger is interested in.

  • log() public

    Logs with an arbitrary level.

  • notice() public

    Normal but significant events.

  • scopes() public

    Get the scopes this logger is interested in.

  • setConfig() public

    Sets the config.

  • warning() public

    Exceptional occurrences that are not errors.

Method Detail

__construct() public 

__construct(array $config)

Constructor.

Parameters

array $config optional

Configuration array

_configDelete() protected 

_configDelete(string $key)

Deletes a single config key.

Parameters

string $key

Key to delete.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

_configRead() protected 

_configRead(?string $key)

Reads a config key.

Parameters

string|null $key

Key to read.

Returns

mixed

_configWrite() protected 

_configWrite(mixed $key, mixed $value, mixed $merge)

Writes a config key.

Parameters

string|array $key

Key to write to.

mixed $value

Value to write.

bool|string $merge optional

True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

_format() protected 

_format(string $message, array $context)

Formats the message to be logged.

The context can optionally be used by log engines to interpolate variables or add additional info to the logged message.

Parameters

string $message

The message to be formatted.

array $context optional

Additional logging information for the message.

Returns

string

_getFormattedDate() protected 

_getFormattedDate()

Returns date formatted according to given dateFormat option format.

This function affects FileLog orConsoleLog datetime information format.

Returns

string

alert() public 

alert(mixed $message, array $context)

Action must be taken immediately.

Example: Entire website down, database unavailable, etc. This should trigger the SMS alerts and wake you up.

Parameters

string $message
array $context optional

configShallow() public 

configShallow(mixed $key, mixed $value)

Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.

Setting a specific value:

$this->configShallow('key', $value);

Setting a nested value:

$this->configShallow('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->configShallow(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key

The key to set, or a complete array of configs.

mixed|null $value optional

The value to set.

Returns

$this

critical() public 

critical(mixed $message, array $context)

Critical conditions.

Example: Application component unavailable, unexpected exception.

Parameters

string $message
array $context optional

debug() public 

debug(mixed $message, array $context)

Detailed debug information.

Parameters

string $message
array $context optional

emergency() public 

emergency(mixed $message, array $context)

System is unusable.

Parameters

string $message
array $context optional

error() public 

error(mixed $message, array $context)

Runtime errors that do not require immediate action but should typically be logged and monitored.

Parameters

string $message
array $context optional

getConfig() public 

getConfig(?string $key, mixed $default)

Returns the config.

Usage

Reading the whole config:

$this->getConfig();

Reading a specific value:

$this->getConfig('key');

Reading a nested value:

$this->getConfig('some.nested.key');

Reading with default value:

$this->getConfig('some-key', 'default-value');

Parameters

string|null $key optional

The key to get or null for the whole config.

mixed $default optional

The return value when the key does not exist.

Returns

mixed

Configuration data at the named key or null if the key does not exist.

getConfigOrFail() public 

getConfigOrFail(string $key)

Returns the config for this specific key.

The config value for this key must exist, it can never be null.

Parameters

string $key

The key to get.

Returns

mixed

Configuration data at the named key

Throws

InvalidArgumentException

info() public 

info(mixed $message, array $context)

Interesting events.

Example: User logs in, SQL logs.

Parameters

string $message
array $context optional

levels() public 

levels()

Get the levels this logger is interested in.

Returns

array

log() public 

log(mixed $level, mixed $message, array $context)

Logs with an arbitrary level.

Parameters

mixed $level
string $message
array $context optional

Throws

Psr\Log\InvalidArgumentException

notice() public 

notice(mixed $message, array $context)

Normal but significant events.

Parameters

string $message
array $context optional

scopes() public 

scopes()

Get the scopes this logger is interested in.

Returns

array|false

setConfig() public 

setConfig(mixed $key, mixed $value, mixed $merge)

Sets the config.

Usage

Setting a specific value:

$this->setConfig('key', $value);

Setting a nested value:

$this->setConfig('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->setConfig(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key

The key to set, or a complete array of configs.

mixed|null $value optional

The value to set.

bool $merge optional

Whether to recursively merge or overwrite existing config, defaults to true.

Returns

$this

Throws

Cake\Core\Exception\Exception
When trying to set a key that is invalid.

warning() public 

warning(mixed $message, array $context)

Exceptional occurrences that are not errors.

Example: Use of deprecated APIs, poor use of an API, undesirable things that are not necessarily wrong.

Parameters

string $message
array $context optional

Property Detail

$_config protected

Runtime config

Type

array

$_configInitialized protected

Whether the config property has already been configured with defaults

Type

bool

$_defaultConfig protected

Default config for this class

Type

array

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https://api.cakephp.org/4.1/class-Cake.Database.Log.QueryLogger.html