Class LoggingStatement
Statement decorator used to
Constants
-
string
FETCH_TYPE_ASSOC ¶'assoc'
Used to designate that an associated array be returned in a result when calling fetch methods
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string
FETCH_TYPE_NUM ¶'num'
Used to designate that numeric indexes be returned in a result when calling fetch methods
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string
FETCH_TYPE_OBJ ¶'obj'
Used to designate that a stdClass object be returned in a result when calling fetch methods
Property Summary
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$_compiledParams protected
array
Holds bound params
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$_driver protected
Cake\Database\Driver|null
Reference to the driver object associated to this statement.
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$_hasExecuted protected
bool
Whether or not this statement has already been executed
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$_logger protected
Cake\Database\Log\QueryLogger|null
Logger instance responsible for actually doing the logging task
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$_statement protected
Cake\Database\StatementInterfacePDOStatement|null
Statement instance implementation, such as PDOStatement or any other custom implementation.
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$queryString public @property-read
string
Method Summary
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__construct() public
Constructor
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__get() public
Magic getter to return $queryString as read-only.
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_log() protected
Copies the logging data to the passed LoggedQuery and sends it to the logging system.
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bind() public
Binds a set of values to statement object with corresponding type.
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bindValue() public
Wrapper for bindValue function to gather each parameter to be later used in the logger function.
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cast() public
Converts a give value to a suitable database value based on type and return relevant internal statement type
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closeCursor() public
Closes a cursor in the database, freeing up any resources and memory allocated to it. In most cases you don't need to call this method, as it is automatically called after fetching all results from the result set.
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columnCount() public
Returns the number of columns this statement's results will contain.
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count() public
Statements can be passed as argument for count() to return the number for affected rows from last execution.
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errorCode() public
Returns the error code for the last error that occurred when executing this statement.
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errorInfo() public
Returns the error information for the last error that occurred when executing this statement.
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execute() public
Wrapper for the execute function to calculate time spent and log the query afterwards.
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fetch() public
Returns the next row for the result set after executing this statement. Rows can be fetched to contain columns as names or positions. If no rows are left in result set, this method will return false.
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fetchAll() public
Returns an array with all rows resulting from executing this statement.
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fetchAssoc() public
Returns the next row in a result set as an associative array. Calling this function is the same as calling $statement->fetch(StatementDecorator::FETCH_TYPE_ASSOC). If no results are found false is returned.
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fetchColumn() public
Returns the value of the result at position.
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getInnerStatement() public
Returns the statement object that was decorated by this class.
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getIterator() public
Statements are iterable as arrays, this method will return the iterator object for traversing all items in the result.
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getLogger() public
Gets the logger object
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lastInsertId() public
Returns the latest primary inserted using this statement.
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logger() public deprecated
Sets the logger object instance. When called with no arguments it returns the currently setup logger instance
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matchTypes() public
Matches columns to corresponding types
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rowCount() public
Returns the number of rows affected by this SQL statement.
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setLogger() public
Sets a logger
Method Detail
__construct() ¶ public
__construct(Cake\Database\StatementInterfacePDOStatement|null $statement = null, Cake\Database\Driver|null $driver = null)
Constructor
Parameters
-
Cake\Database\StatementInterfacePDOStatement|null
$statement optional Statement implementation such as PDOStatement
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Cake\Database\Driver|null
$driver optional Driver instance
__get() ¶ public
__get(string $property): mixed
Magic getter to return $queryString as read-only.
Parameters
-
string
$property internal property to get
Returns
mixed
_log() ¶ protected
_log(Cake\Database\Log\LoggedQuery $query, array $params, float $startTime): void
Copies the logging data to the passed LoggedQuery and sends it to the logging system.
Parameters
-
Cake\Database\Log\LoggedQuery
$query The query to log.
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array
$params List of values to be bound to query.
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float
$startTime The microtime when the query was executed.
Returns
void
bind() ¶ public
bind(array $params, array $types): void
Binds a set of values to statement object with corresponding type.
Parameters
-
array
$params list of values to be bound
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array
$types list of types to be used, keys should match those in $params
Returns
void
bindValue() ¶ public
bindValue(string|int $column, mixed $value, string $type = 'string'): void
Wrapper for bindValue function to gather each parameter to be later used in the logger function.
It is not allowed to combine positional and named variables in the same statement.
Examples:
$statement->bindValue(1, 'a title');
$statement->bindValue('active', true, 'boolean');
$statement->bindValue(5, new \DateTime(), 'date');
Parameters
-
string|int
$column Name or param position to be bound
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mixed
$value The value to bind to variable in query
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string
$type optional PDO type or name of configured Type class
Returns
void
cast() ¶ public
cast(mixed $value, Cake\Database\Type|string $type): array
Converts a give value to a suitable database value based on type and return relevant internal statement type
Parameters
-
mixed
$value The value to cast
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Cake\Database\Type|string
$type The type name or type instance to use.
Returns
array
closeCursor() ¶ public
closeCursor(): void
Closes a cursor in the database, freeing up any resources and memory allocated to it. In most cases you don't need to call this method, as it is automatically called after fetching all results from the result set.
Returns
void
columnCount() ¶ public
columnCount(): int
Returns the number of columns this statement's results will contain.
Example:
$statement = $connection->prepare('SELECT id, title from articles');
$statement->execute();
echo $statement->columnCount(); // outputs 2
Returns
int
count() ¶ public
count(): int
Statements can be passed as argument for count() to return the number for affected rows from last execution.
Returns
int
errorCode() ¶ public
errorCode(): int|string
Returns the error code for the last error that occurred when executing this statement.
Returns
int|string
errorInfo() ¶ public
errorInfo(): array
Returns the error information for the last error that occurred when executing this statement.
Returns
array
execute() ¶ public
execute(array|null $params = null): bool
Wrapper for the execute function to calculate time spent and log the query afterwards.
Parameters
-
array|null
$params optional List of values to be bound to query
Returns
bool
Throws
Exception
Re-throws any exception raised during query execution.
fetch() ¶ public
fetch(string $type = self::FETCH_TYPE_NUM): array|false
Returns the next row for the result set after executing this statement. Rows can be fetched to contain columns as names or positions. If no rows are left in result set, this method will return false.
Example:
$statement = $connection->prepare('SELECT id, title from articles');
$statement->execute();
print_r($statement->fetch('assoc')); // will show ['id' => 1, 'title' => 'a title']
Parameters
-
string
$type optional 'num' for positional columns, assoc for named columns
Returns
array|false
fetchAll() ¶ public
fetchAll(string $type = self::FETCH_TYPE_NUM): array
Returns an array with all rows resulting from executing this statement.
Example:
$statement = $connection->prepare('SELECT id, title from articles');
$statement->execute();
print_r($statement->fetchAll('assoc')); // will show [0 => ['id' => 1, 'title' => 'a title']]
Parameters
-
string
$type optional num for fetching columns as positional keys or assoc for column names as keys
Returns
array
fetchAssoc() ¶ public
fetchAssoc(): array
Returns the next row in a result set as an associative array. Calling this function is the same as calling $statement->fetch(StatementDecorator::FETCH_TYPE_ASSOC). If no results are found false is returned.
Returns
array
fetchColumn() ¶ public
fetchColumn(int $position): mixed|false
Returns the value of the result at position.
Parameters
-
int
$position The numeric position of the column to retrieve in the result
Returns
mixed|false
getInnerStatement() ¶ public
getInnerStatement(): Cake\Database\StatementInterfacePDOStatement
Returns the statement object that was decorated by this class.
Returns
Cake\Database\StatementInterfacePDOStatement
getIterator() ¶ public
getIterator(): Cake\Database\StatementInterfacePDOStatement
Statements are iterable as arrays, this method will return the iterator object for traversing all items in the result.
Example:
$statement = $connection->prepare('SELECT id, title from articles');
foreach ($statement as $row) {
//do stuff
}
Returns
Cake\Database\StatementInterfacePDOStatement
getLogger() ¶ public
getLogger(): Cake\Database\Log\QueryLogger
Gets the logger object
Returns
Cake\Database\Log\QueryLogger
lastInsertId() ¶ public
lastInsertId(string|null $table = null, string|null $column = null): string|int
Returns the latest primary inserted using this statement.
Parameters
-
string|null
$table optional table name or sequence to get last insert value from
-
string|null
$column optional the name of the column representing the primary key
Returns
string|int
logger() ¶ public
logger(Cake\Database\Log\QueryLogger|null $instance = null): Cake\Database\Log\QueryLogger|null
Sets the logger object instance. When called with no arguments it returns the currently setup logger instance
Parameters
-
Cake\Database\Log\QueryLogger|null
$instance optional Logger object instance.
Returns
Cake\Database\Log\QueryLogger|null
matchTypes() ¶ public
matchTypes(array $columns, array $types): array
Matches columns to corresponding types
Both $columns and $types should either be numeric based or string key based at the same time.
Parameters
-
array
$columns list or associative array of columns and parameters to be bound with types
-
array
$types list or associative array of types
Returns
array
rowCount() ¶ public
rowCount(): int
Returns the number of rows affected by this SQL statement.
Example:
$statement = $connection->prepare('SELECT id, title from articles');
$statement->execute();
print_r($statement->rowCount()); // will show 1
Returns
int
setLogger() ¶ public
setLogger(Cake\Database\Log\QueryLogger $logger): void
Sets a logger
Parameters
-
Cake\Database\Log\QueryLogger
$logger Logger object
Returns
void
Property Detail
$_driver ¶ protected
Reference to the driver object associated to this statement.
Type
Cake\Database\Driver|null
$_logger ¶ protected
Logger instance responsible for actually doing the logging task
Type
Cake\Database\Log\QueryLogger|null
$_statement ¶ protected
Statement instance implementation, such as PDOStatement or any other custom implementation.
Type
Cake\Database\StatementInterfacePDOStatement|null