5.0
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Abstract Class Phalcon\Db\AbstractDb

GitHub上のソース

Namespace Phalcon\Db   Uses \PDO

Phalcon\Db and its related classes provide a simple SQL database interface for Phalcon Framework. The Phalcon\Db is the basic class you use to connect your PHP application to an RDBMS. There is a different adapter class for each brand of RDBMS.

This component is intended to lower level database operations. If you want to interact with databases using higher level of abstraction use Phalcon\Mvc\Model.

Phalcon\Db\AbstractDb is an abstract class. You only can use it with a database adapter like Phalcon\Db\Adapter\Pdo

use Phalcon\Db;
use Phalcon\Db\Exception;
use Phalcon\Db\Adapter\Pdo\Mysql as MysqlConnection;

try {
    $connection = new MysqlConnection(
        [
            "host"     => "192.168.0.11",
            "username" => "sigma",
            "password" => "secret",
            "dbname"   => "blog",
            "port"     => "3306",
        ]
    );

    $result = $connection->query(
        "SELECTFROM robots LIMIT 5"
    );

    $result->setFetchMode(Enum::FETCH_NUM);

    while ($robot = $result->fetch()) {
        print_r($robot);
    }
} catch (Exception $e) {
    echo $e->getMessage(), PHP_EOL;
}

メソッド

public static function setup( array $options ): void;

Enables/disables options in the Database component

Abstract Class Phalcon\Db\Adapter\AbstractAdapter

GitHub上のソース

Namespace Phalcon\Db\Adapter   Uses Phalcon\Db\DialectInterface, Phalcon\Db\ColumnInterface, Phalcon\Db\Enum, Phalcon\Db\Exception, Phalcon\Db\Index, Phalcon\Db\IndexInterface, Phalcon\Db\Reference, Phalcon\Db\ReferenceInterface, Phalcon\Db\RawValue, Phalcon\Events\EventsAwareInterface, Phalcon\Events\ManagerInterface   Implements AdapterInterface, EventsAwareInterface

Base class for Phalcon\Db\Adapter adapters

Properties

/**
 * Connection ID
 *
 * @var int
 */
protected static connectionConsecutive = 0;

/**
 * Active connection ID
 *
 * @var int
 */
protected connectionId;

/**
 * Descriptor used to connect to a database
 *
 * @var array
 */
protected descriptor;

/**
 * Dialect instance
 *
 * @var object
 */
protected dialect;

/**
 * Name of the dialect used
 *
 * @var string
 */
protected dialectType;

/**
 * Event Manager
 *
 * @var ManagerInterface|null
 */
protected eventsManager;

/**
 * The real SQL statement - what was executed
 *
 * @var string
 */
protected realSqlStatement;

/**
 * Active SQL Bind Types
 *
 * @var array
 */
protected sqlBindTypes;

/**
 * Active SQL Statement
 *
 * @var string
 */
protected sqlStatement;

/**
 * Active SQL bound parameter variables
 *
 * @var array
 */
protected sqlVariables;

/**
 * Current transaction level
 *
 * @var int
 */
protected transactionLevel = 0;

/**
 * Whether the database supports transactions with save points
 *
 * @var bool
 */
protected transactionsWithSavepoints = false;

/**
 * Type of database system the adapter is used for
 *
 * @var string
 */
protected type;

メソッド

public function __construct( array $descriptor );

Phalcon\Db\Adapter constructor

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): bool;

Adds a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): bool;

Adds a foreign key to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): bool;

Adds an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): bool;

Adds a primary key to a table

public function createSavepoint( string $name ): bool;

Creates a new savepoint

public function createTable( string $tableName, string $schemaName, array $definition ): bool;

Creates a table

public function createView( string $viewName, array $definition, string $schemaName = null ): bool;

Creates a view

public function delete( mixed $table, string $whereCondition = null, array $placeholders = [], array $dataTypes = [] ): bool;

Deletes data from a table using custom RBDM SQL syntax

// Deleting existing robot
$success = $connection->delete(
    "robots",
    "id = 101"
);

// Next SQL sentence is generated
DELETE FROM `robots` WHERE `id` = 101

public function describeIndexes( string $table, string $schema = null ): IndexInterface[];

Lists table indexes

print_r(
    $connection->describeIndexes("robots_parts")
);

public function describeReferences( string $table, string $schema = null ): ReferenceInterface[];

Lists table references

print_r(
    $connection->describeReferences("robots_parts")
);

public function dropColumn( string $tableName, string $schemaName, string $columnName ): bool;

Drops a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): bool;

Drops a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, mixed $indexName ): bool;

Drop an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): bool;

Drops a table’s primary key

public function dropTable( string $tableName, string $schemaName = null, bool $ifExists = bool ): bool;

Drops a table from a schema/database

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): bool;

Drops a view

public function escapeIdentifier( mixed $identifier ): string;

Escapes a column/table/schema name

$escapedTable = $connection->escapeIdentifier(
    "robots"
);

$escapedTable = $connection->escapeIdentifier(
    [
        "store",
        "robots",
    ]
);

public function fetchAll( string $sqlQuery, int $fetchMode = static-constant-access, array $bindParams = [], array $bindTypes = [] ): array;

Dumps the complete result of a query into an array

// Getting all robots with associative indexes only
$robots = $connection->fetchAll(
    "SELECTFROM robots",
    \Phalcon\Db\Enum::FETCH_ASSOC
);

foreach ($robots as $robot) {
    print_r($robot);
}

 // Getting all robots that contains word "robot" withing the name
$robots = $connection->fetchAll(
    "SELECTFROM robots WHERE name LIKE :name",
    \Phalcon\Db\Enum::FETCH_ASSOC,
    [
        "name" => "%robot%",
    ]
);
foreach($robots as $robot) {
    print_r($robot);
}

public function fetchColumn( string $sqlQuery, array $placeholders = [], mixed $column = int ): string | bool;

Returns the n’th field of first row in a SQL query result

// Getting count of robots
$robotsCount = $connection->fetchColumn("SELECT count(*) FROM robots");
print_r($robotsCount);

// Getting name of last edited robot
$robot = $connection->fetchColumn(
    "SELECT id, name FROM robots ORDER BY modified DESC",
    1
);
print_r($robot);

public function fetchOne( string $sqlQuery, mixed $fetchMode = static-constant-access, array $bindParams = [], array $bindTypes = [] ): array;

Returns the first row in a SQL query result

// Getting first robot
$robot = $connection->fetchOne("SELECTFROM robots");
print_r($robot);

// Getting first robot with associative indexes only
$robot = $connection->fetchOne(
    "SELECTFROM robots",
    \Phalcon\Db\Enum::FETCH_ASSOC
);
print_r($robot);

public function forUpdate( string $sqlQuery ): string;

Returns a SQL modified with a FOR UPDATE clause

public function getColumnDefinition( ColumnInterface $column ): string;

Returns the SQL column definition from a column

public function getColumnList( mixed $columnList ): string;

Gets a list of columns

public function getConnectionId(): string;

Gets the active connection unique identifier

public function getDefaultIdValue(): RawValue;

Returns the default identity value to be inserted in an identity column

// Inserting a new robot with a valid default value for the column 'id'
$success = $connection->insert(
    "robots",
    [
        $connection->getDefaultIdValue(),
        "Astro Boy",
        1952,
    ],
    [
        "id",
        "name",
        "year",
    ]
);

public function getDefaultValue(): RawValue;

Returns the default value to make the RBDM use the default value declared in the table definition

// Inserting a new robot with a valid default value for the column 'year'
$success = $connection->insert(
    "robots",
    [
        "Astro Boy",
        $connection->getDefaultValue()
    ],
    [
        "name",
        "year",
    ]
);

@todo Return NULL if this is not supported by the adapter

public function getDescriptor(): array;

Return descriptor used to connect to the active database

public function getDialect(): DialectInterface;

Returns internal dialect instance

public function getDialectType(): string;

Name of the dialect used

public function getEventsManager(): ManagerInterface | null;

内部イベントマネージャーを返します

public function getNestedTransactionSavepointName(): string;

Returns the savepoint name to use for nested transactions

public function getRealSQLStatement(): string;

Active SQL statement in the object without replace bound parameters

public function getSQLBindTypes(): array;

Active SQL statement in the object

public function getSQLStatement(): string;

Active SQL statement in the object

public function getSQLVariables(): array;

Active SQL variables in the object

public function getType(): string;

Type of database system the adapter is used for

public function insert( string $table, array $values, mixed $fields = null, mixed $dataTypes = null ): bool;

Inserts data into a table using custom RDBMS SQL syntax

// Inserting a new robot
$success = $connection->insert(
    "robots",
    ["Astro Boy", 1952],
    ["name", "year"]
);

// Next SQL sentence is sent to the database system
INSERT INTO `robots` (`name`, `year`) VALUES ("Astro boy", 1952);

public function insertAsDict( string $table, mixed $data, mixed $dataTypes = null ): bool;

Inserts data into a table using custom RBDM SQL syntax

// Inserting a new robot
$success = $connection->insertAsDict(
    "robots",
    [
        "name" => "Astro Boy",
        "year" => 1952,
    ]
);

// Next SQL sentence is sent to the database system
INSERT INTO `robots` (`name`, `year`) VALUES ("Astro boy", 1952);

public function isNestedTransactionsWithSavepoints(): bool;

Returns if nested transactions should use savepoints

public function limit( string $sqlQuery, int $number ): string;

Appends a LIMIT clause to $sqlQuery argument

echo $connection->limit("SELECTFROM robots", 5);

public function listTables( string $schemaName = null ): array;

List all tables on a database

print_r(
    $connection->listTables("blog")
);

public function listViews( string $schemaName = null ): array;

List all views on a database

print_r(
    $connection->listViews("blog")
);

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): bool;

Modifies a table column based on a definition

public function releaseSavepoint( string $name ): bool;

Releases given savepoint

public function rollbackSavepoint( string $name ): bool;

Rollbacks given savepoint

public function setDialect( DialectInterface $dialect );

Sets the dialect used to produce the SQL

public function setEventsManager( ManagerInterface $eventsManager ): void;

Sets the event manager

public function setNestedTransactionsWithSavepoints( bool $nestedTransactionsWithSavepoints ): AdapterInterface;

Set if nested transactions should use savepoints

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified with a LOCK IN SHARE MODE clause

public function supportSequences(): bool;

Check whether the database system requires a sequence to produce auto-numeric values

public function supportsDefaultValue(): bool;

Check whether the database system support the DEFAULT keyword (SQLite does not support it)

@deprecated Will re removed in the next version

public function tableExists( string $tableName, string $schemaName = null ): bool;

Generates SQL checking for the existence of a schema.table

var_dump(
    $connection->tableExists("blog", "posts")
);

public function tableOptions( string $tableName, string $schemaName = null ): array;

Gets creation options from a table

print_r(
    $connection->tableOptions("robots")
);

public function update( string $table, mixed $fields, mixed $values, mixed $whereCondition = null, mixed $dataTypes = null ): bool;

Updates data on a table using custom RBDM SQL syntax

// Updating existing robot
$success = $connection->update(
    "robots",
    ["name"],
    ["New Astro Boy"],
    "id = 101"
);

// Next SQL sentence is sent to the database system
UPDATE `robots` SET `name` = "Astro boy" WHERE id = 101

// Updating existing robot with array condition and $dataTypes
$success = $connection->update(
    "robots",
    ["name"],
    ["New Astro Boy"],
    [
        "conditions" => "id = ?",
        "bind"       => [$some_unsafe_id],
        "bindTypes"  => [PDO::PARAM_INT], // use only if you use $dataTypes param
    ],
    [
        PDO::PARAM_STR
    ]
);

Warning! If $whereCondition is string it not escaped.

public function updateAsDict( string $table, mixed $data, mixed $whereCondition = null, mixed $dataTypes = null ): bool;

Updates data on a table using custom RBDM SQL syntax Another, more convenient syntax

// Updating existing robot
$success = $connection->updateAsDict(
    "robots",
    [
        "name" => "New Astro Boy",
    ],
    "id = 101"
);

// Next SQL sentence is sent to the database system
UPDATE `robots` SET `name` = "Astro boy" WHERE id = 101

public function useExplicitIdValue(): bool;

Check whether the database system requires an explicit value for identity columns

public function viewExists( string $viewName, string $schemaName = null ): bool;

Generates SQL checking for the existence of a schema.view

var_dump(
    $connection->viewExists("active_users", "posts")
);

Interface Phalcon\Db\Adapter\AdapterInterface

GitHub上のソース

Namespace Phalcon\Db\Adapter   Uses Phalcon\Db\DialectInterface, Phalcon\Db\ResultInterface, Phalcon\Db\ColumnInterface, Phalcon\Db\IndexInterface, Phalcon\Db\RawValue, Phalcon\Db\ReferenceInterface

Interface for Phalcon\Db adapters

メソッド

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): bool;

Adds a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): bool;

Adds a foreign key to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): bool;

Adds an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): bool;

Adds a primary key to a table

public function affectedRows(): int;

Returns the number of affected rows by the last INSERT/UPDATE/DELETE reported by the database system

public function begin( bool $nesting = bool ): bool;

Starts a transaction in the connection

public function close(): void;

Closes active connection returning success. Phalcon automatically closes and destroys active connections within Phalcon\Db\Pool

public function commit( bool $nesting = bool ): bool;

Commits the active transaction in the connection

public function connect( array $descriptor = [] ): void;

This method is automatically called in \Phalcon\Db\Adapter\Pdo constructor. Call it when you need to restore a database connection

public function createSavepoint( string $name ): bool;

Creates a new savepoint

public function createTable( string $tableName, string $schemaName, array $definition ): bool;

Creates a table

public function createView( string $viewName, array $definition, string $schemaName = null ): bool;

Creates a view

public function delete( mixed $table, string $whereCondition = null, array $placeholders = [], array $dataTypes = [] ): bool;

Deletes data from a table using custom RDBMS SQL syntax

public function describeColumns( string $table, string $schema = null ): ColumnInterface[];

Returns an array of Phalcon\Db\Column objects describing a table

public function describeIndexes( string $table, string $schema = null ): IndexInterface[];

Lists table indexes

public function describeReferences( string $table, string $schema = null ): ReferenceInterface[];

Lists table references

public function dropColumn( string $tableName, string $schemaName, string $columnName ): bool;

Drops a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): bool;

Drops a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, string $indexName ): bool;

Drop an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): bool;

Drops primary key from a table

public function dropTable( string $tableName, string $schemaName = null, bool $ifExists = bool ): bool;

Drops a table from a schema/database

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): bool;

Drops a view

public function escapeIdentifier( mixed $identifier ): string;

Escapes a column/table/schema name

public function escapeString( string $str ): string;

Escapes a value to avoid SQL injections

public function execute( string $sqlStatement, array $bindParams = [], array $bindTypes = [] ): bool;

Sends SQL statements to the database server returning the success state. Use this method only when the SQL statement sent to the server doesn’t return any rows

public function fetchAll( string $sqlQuery, int $fetchMode = int, array $bindParams = [], array $bindTypes = [] ): array;

Dumps the complete result of a query into an array

public function fetchColumn( string $sqlQuery, array $placeholders = [], mixed $column = int ): string | bool;

Returns the n’th field of first row in a SQL query result

// Getting count of robots
$robotsCount = $connection->fetchColumn("SELECT COUNT(*) FROM robots");
print_r($robotsCount);

// Getting name of last edited robot
$robot = $connection->fetchColumn(
    "SELECT id, name FROM robots ORDER BY modified DESC",
    1
);
print_r($robot);

public function fetchOne( string $sqlQuery, int $fetchMode = int, array $bindParams = [], array $bindTypes = [] ): array;

Returns the first row in a SQL query result

public function forUpdate( string $sqlQuery ): string;

Returns a SQL modified with a FOR UPDATE clause

public function getColumnDefinition( ColumnInterface $column ): string;

Returns the SQL column definition from a column

public function getColumnList( mixed $columnList ): string;

Gets a list of columns

public function getConnectionId(): string;

Gets the active connection unique identifier

public function getDefaultIdValue(): RawValue;

Return the default identity value to insert in an identity column

public function getDefaultValue(): RawValue;

Returns the default value to make the RBDM use the default value declared in the table definition

// Inserting a new robot with a valid default value for the column 'year'
$success = $connection->insert(
    "robots",
    [
        "Astro Boy",
        $connection->getDefaultValue()
    ],
    [
        "name",
        "year",
    ]
);

@todo Return NULL if this is not supported by the adapter

public function getDescriptor(): array;

Return descriptor used to connect to the active database

public function getDialect(): DialectInterface;

Returns internal dialect instance

public function getDialectType(): string;

Returns the name of the dialect used

public function getInternalHandler(): mixed;

Return internal PDO handler

public function getNestedTransactionSavepointName(): string;

Returns the savepoint name to use for nested transactions

public function getRealSQLStatement(): string;

Active SQL statement in the object without replace bound parameters

public function getSQLBindTypes(): array;

Active SQL statement in the object

public function getSQLStatement(): string;

Active SQL statement in the object

public function getSQLVariables(): array;

Active SQL statement in the object

public function getType(): string;

Returns type of database system the adapter is used for

public function insert( string $table, array $values, mixed $fields = null, mixed $dataTypes = null ): bool;

Inserts data into a table using custom RDBMS SQL syntax

public function insertAsDict( string $table, mixed $data, mixed $dataTypes = null ): bool;

Inserts data into a table using custom RBDM SQL syntax

// Inserting a new robot
$success = $connection->insertAsDict(
    "robots",
    [
        "name" => "Astro Boy",
        "year" => 1952,
    ]
);

// Next SQL sentence is sent to the database system
INSERT INTO `robots` (`name`, `year`) VALUES ("Astro boy", 1952);

public function isNestedTransactionsWithSavepoints(): bool;

Returns if nested transactions should use savepoints

public function isUnderTransaction(): bool;

Checks whether connection is under database transaction

public function lastInsertId( string $name = null ): string | bool;

Returns insert id for the auto_increment column inserted in the last SQL statement

public function limit( string $sqlQuery, int $number ): string;

Appends a LIMIT clause to sqlQuery argument

public function listTables( string $schemaName = null ): array;

List all tables on a database

public function listViews( string $schemaName = null ): array;

List all views on a database

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): bool;

Modifies a table column based on a definition

public function query( string $sqlStatement, array $bindParams = [], array $bindTypes = [] ): ResultInterface | bool;

Sends SQL statements to the database server returning the success state. Use this method only when the SQL statement sent to the server returns rows

public function releaseSavepoint( string $name ): bool;

Releases given savepoint

public function rollback( bool $nesting = bool ): bool;

Rollbacks the active transaction in the connection

public function rollbackSavepoint( string $name ): bool;

Rollbacks given savepoint

public function setNestedTransactionsWithSavepoints( bool $nestedTransactionsWithSavepoints ): AdapterInterface;

Set if nested transactions should use savepoints

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified with a LOCK IN SHARE MODE clause

public function supportSequences(): bool;

Check whether the database system requires a sequence to produce auto-numeric values

public function supportsDefaultValue(): bool;

SQLite does not support the DEFAULT keyword

@deprecated Will re removed in the next version

public function tableExists( string $tableName, string $schemaName = null ): bool;

Generates SQL checking for the existence of a schema.table

public function tableOptions( string $tableName, string $schemaName = null ): array;

Gets creation options from a table

public function update( string $table, mixed $fields, mixed $values, mixed $whereCondition = null, mixed $dataTypes = null ): bool;

Updates data on a table using custom RDBMS SQL syntax

public function updateAsDict( string $table, mixed $data, mixed $whereCondition = null, mixed $dataTypes = null ): bool;

Updates data on a table using custom RBDM SQL syntax Another, more convenient syntax

// Updating existing robot
$success = $connection->updateAsDict(
    "robots",
    [
        "name" => "New Astro Boy",
    ],
    "id = 101"
);

// Next SQL sentence is sent to the database system
UPDATE `robots` SET `name` = "Astro boy" WHERE id = 101

public function useExplicitIdValue(): bool;

Check whether the database system requires an explicit value for identity columns

public function viewExists( string $viewName, string $schemaName = null ): bool;

Generates SQL checking for the existence of a schema.view

Abstract Class Phalcon\Db\Adapter\Pdo\AbstractPdo

GitHub上のソース

Namespace Phalcon\Db\Adapter\Pdo   Uses Phalcon\Db\Adapter\AbstractAdapter, Phalcon\Db\Column, Phalcon\Db\Exception, Phalcon\Db\Result\PdoResult, Phalcon\Db\ResultInterface, Phalcon\Events\ManagerInterface   Extends AbstractAdapter

Phalcon\Db\Adapter\Pdo is the Phalcon\Db that internally uses PDO to connect to a database

use Phalcon\Db\Adapter\Pdo\Mysql;

$config = [
    "host"     => "localhost",
    "dbname"   => "blog",
    "port"     => 3306,
    "username" => "sigma",
    "password" => "secret",
];

$connection = new Mysql($config);

Properties

/**
 * Last affected rows
 *
 * @var int
 */
protected affectedRows = 0;

/**
 * PDO Handler
 *
 * @var \PDO
 */
protected pdo;

メソッド

public function __construct( array $descriptor );

Constructor for Phalcon\Db\Adapter\Pdo

public function affectedRows(): int;

Returns the number of affected rows by the latest INSERT/UPDATE/DELETE executed in the database system

$connection->execute(
    "DELETE FROM robots"
);

echo $connection->affectedRows(), " were deleted";

public function begin( bool $nesting = bool ): bool;

Starts a transaction in the connection

public function close(): void;

Closes the active connection returning success. Phalcon automatically closes and destroys active connections when the request ends

public function commit( bool $nesting = bool ): bool;

Commits the active transaction in the connection

public function connect( array $descriptor = [] ): void;

This method is automatically called in \Phalcon\Db\Adapter\Pdo constructor.

Call it when you need to restore a database connection.

use Phalcon\Db\Adapter\Pdo\Mysql;

// Make a connection
$connection = new Mysql(
    [
        "host"     => "localhost",
        "username" => "sigma",
        "password" => "secret",
        "dbname"   => "blog",
        "port"     => 3306,
    ]
);

// Reconnect
$connection->connect();

public function convertBoundParams( string $sql, array $params = [] ): array;

Converts bound parameters such as :name: or ?1 into PDO bind params ?

print_r(
    $connection->convertBoundParams(
        "SELECTFROM robots WHERE name = :name:",
        [
            "Bender",
        ]
    )
);

public function escapeString( string $str ): string;

Escapes a value to avoid SQL injections according to the active charset in the connection

$escapedStr = $connection->escapeString("some dangerous value");

public function execute( string $sqlStatement, array $bindParams = [], array $bindTypes = [] ): bool;

Sends SQL statements to the database server returning the success state. Use this method only when the SQL statement sent to the server doesn’t return any rows

// Inserting data
$success = $connection->execute(
    "INSERT INTO robots VALUES (1, 'Astro Boy')"
);

$success = $connection->execute(
    "INSERT INTO robots VALUES (?, ?)",
    [
        1,
        "Astro Boy",
    ]
);

public function executePrepared( \PDOStatement $statement, array $placeholders, mixed $dataTypes ): \PDOStatement;

Executes a prepared statement binding. This function uses integer indexes starting from zero

use Phalcon\Db\Column;

$statement = $db->prepare(
    "SELECTFROM robots WHERE name = :name"
);

$result = $connection->executePrepared(
    $statement,
    [
        "name" => "Voltron",
    ],
    [
        "name" => Column::BIND_PARAM_STR,
    ]
);

public function getErrorInfo(): array;

Return the error info, if any

public function getInternalHandler(): mixed;

Return internal PDO handler

public function getTransactionLevel(): int;

Returns the current transaction nesting level

public function isUnderTransaction(): bool;

Checks whether the connection is under a transaction

$connection->begin();

// true
var_dump(
    $connection->isUnderTransaction()
);

public function lastInsertId( string $name = null ): string | bool;

Returns the insert id for the auto_increment/serial column inserted in the latest executed SQL statement

// Inserting a new robot
$success = $connection->insert(
    "robots",
    [
        "Astro Boy",
        1952,
    ],
    [
        "name",
        "year",
    ]
);

// Getting the generated id
$id = $connection->lastInsertId();

public function prepare( string $sqlStatement ): \PDOStatement;

Returns a PDO prepared statement to be executed with ‘executePrepared’

use Phalcon\Db\Column;

$statement = $db->prepare(
    "SELECTFROM robots WHERE name = :name"
);

$result = $connection->executePrepared(
    $statement,
    [
        "name" => "Voltron",
    ],
    [
        "name" => Column::BIND_PARAM_INT,
    ]
);

public function query( string $sqlStatement, array $bindParams = [], array $bindTypes = [] ): ResultInterface | bool;

Sends SQL statements to the database server returning the success state. Use this method only when the SQL statement sent to the server is returning rows

// Querying data
$resultset = $connection->query(
    "SELECTFROM robots WHERE type = 'mechanical'"
);

$resultset = $connection->query(
    "SELECTFROM robots WHERE type = ?",
    [
        "mechanical",
    ]
);

public function rollback( bool $nesting = bool ): bool;

Rollbacks the active transaction in the connection

abstract protected function getDsnDefaults(): array;

Returns PDO adapter DSN defaults as a key-value map.

protected function prepareRealSql( string $statement, array $parameters ): void;

Constructs the SQL statement (with parameters)

@see https://stackoverflow.com/a/8403150

Class Phalcon\Db\Adapter\Pdo\Mysql

GitHub上のソース

Namespace Phalcon\Db\Adapter\Pdo   Uses Phalcon\Db\Adapter\Pdo\AbstractPdo, Phalcon\Db\Column, Phalcon\Db\ColumnInterface, Phalcon\Db\Enum, Phalcon\Db\Exception, Phalcon\Db\Index, Phalcon\Db\IndexInterface, Phalcon\Db\Reference, Phalcon\Db\ReferenceInterface   Extends PdoAdapter

Specific functions for the MySQL database system

use Phalcon\Db\Adapter\Pdo\Mysql;

$config = [
    "host"     => "localhost",
    "dbname"   => "blog",
    "port"     => 3306,
    "username" => "sigma",
    "password" => "secret",
];

$connection = new Mysql($config);

Properties

/**
 * @var string
 */
protected dialectType = mysql;

/**
 * @var string
 */
protected type = mysql;

メソッド

public function __construct( array $descriptor );

Constructor for Phalcon\Db\Adapter\Pdo

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): bool;

Adds a foreign key to a table

public function describeColumns( string $table, string $schema = null ): ColumnInterface[];

Returns an array of Phalcon\Db\Column objects describing a table

print_r(
    $connection->describeColumns("posts")
);

public function describeIndexes( string $table, string $schema = null ): IndexInterface[];

Lists table indexes

print_r(
    $connection->describeIndexes("robots_parts")
);

public function describeReferences( string $table, string $schema = null ): ReferenceInterface[];

Lists table references

print_r(
    $connection->describeReferences("robots_parts")
);

protected function getDsnDefaults(): array;

Returns PDO adapter DSN defaults as a key-value map.

Class Phalcon\Db\Adapter\Pdo\Postgresql

GitHub上のソース

Namespace Phalcon\Db\Adapter\Pdo   Uses Phalcon\Db\Adapter\Pdo\AbstractPdo, Phalcon\Db\Column, Phalcon\Db\ColumnInterface, Phalcon\Db\Enum, Phalcon\Db\Exception, Phalcon\Db\RawValue, Phalcon\Db\Reference, Phalcon\Db\ReferenceInterface, Throwable   Extends PdoAdapter

Specific functions for the PostgreSQL database system

use Phalcon\Db\Adapter\Pdo\Postgresql;

$config = [
    "host"     => "localhost",
    "dbname"   => "blog",
    "port"     => 5432,
    "username" => "postgres",
    "password" => "secret",
];

$connection = new Postgresql($config);

Properties

/**
 * @var string
 */
protected dialectType = postgresql;

/**
 * @var string
 */
protected type = pgsql;

メソッド

public function __construct( array $descriptor );

Constructor for Phalcon\Db\Adapter\Pdo\Postgresql

public function connect( array $descriptor = [] ): void;

This method is automatically called in Phalcon\Db\Adapter\Pdo constructor. Call it when you need to restore a database connection.

public function createTable( string $tableName, string $schemaName, array $definition ): bool;

Creates a table

public function describeColumns( string $table, string $schema = null ): ColumnInterface[];

Returns an array of Phalcon\Db\Column objects describing a table

print_r(
    $connection->describeColumns("posts")
);

public function describeReferences( string $table, string $schema = null ): ReferenceInterface[];

Lists table references

print_r(
    $connection->describeReferences("robots_parts")
);

public function getDefaultIdValue(): RawValue;

Returns the default identity value to be inserted in an identity column

// Inserting a new robot with a valid default value for the column 'id'
$success = $connection->insert(
    "robots",
    [
        $connection->getDefaultIdValue(),
        "Astro Boy",
        1952,
    ],
    [
        "id",
        "name",
        "year",
    ]
);

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): bool;

Modifies a table column based on a definition

public function supportSequences(): bool;

Check whether the database system requires a sequence to produce auto-numeric values

public function useExplicitIdValue(): bool;

Check whether the database system requires an explicit value for identity columns

protected function getDsnDefaults(): array;

Returns PDO adapter DSN defaults as a key-value map.

Class Phalcon\Db\Adapter\Pdo\Sqlite

GitHub上のソース

Namespace Phalcon\Db\Adapter\Pdo   Uses Phalcon\Db\Adapter\Pdo\AbstractPdo, Phalcon\Db\Column, Phalcon\Db\ColumnInterface, Phalcon\Db\Enum, Phalcon\Db\Exception, Phalcon\Db\Index, Phalcon\Db\IndexInterface, Phalcon\Db\RawValue, Phalcon\Db\Reference, Phalcon\Db\ReferenceInterface   Extends PdoAdapter

Specific functions for the SQLite database system

use Phalcon\Db\Adapter\Pdo\Sqlite;

$connection = new Sqlite(
    [
        "dbname" => "/tmp/test.sqlite",
    ]
);

Properties

/**
 * @var string
 */
protected dialectType = sqlite;

/**
 * @var string
 */
protected type = sqlite;

メソッド

public function __construct( array $descriptor );

Constructor for Phalcon\Db\Adapter\Pdo\Sqlite

public function connect( array $descriptor = [] ): void;

This method is automatically called in Phalcon\Db\Adapter\Pdo constructor. Call it when you need to restore a database connection.

public function describeColumns( string $table, string $schema = null ): ColumnInterface[];

Returns an array of Phalcon\Db\Column objects describing a table

print_r(
    $connection->describeColumns("posts")
);

public function describeIndexes( string $table, string $schema = null ): IndexInterface[];

Lists table indexes

print_r(
    $connection->describeIndexes("robots_parts")
);

public function describeReferences( string $table, string $schema = null ): ReferenceInterface[];

Lists table references

public function getDefaultValue(): RawValue;

Returns the default value to make the RBDM use the default value declared in the table definition

// Inserting a new robot with a valid default value for the column 'year'
$success = $connection->insert(
    "robots",
    [
        "Astro Boy",
        $connection->getDefaultValue(),
    ],
    [
        "name",
        "year",
    ]
);

public function supportsDefaultValue(): bool;

SQLite does not support the DEFAULT keyword

@deprecated Will re removed in the next version

public function useExplicitIdValue(): bool;

Check whether the database system requires an explicit value for identity columns

protected function getDsnDefaults(): array;

Returns PDO adapter DSN defaults as a key-value map.

Class Phalcon\Db\Adapter\PdoFactory

GitHub上のソース

Namespace Phalcon\Db\Adapter   Uses Phalcon\Factory\AbstractFactory, Phalcon\Support\Helper\Arr\Get   Extends AbstractFactory

This file is part of the Phalcon Framework.

(c) Phalcon Team [email protected]

For the full copyright and license information, please view the LICENSE.txt file that was distributed with this source code.

メソッド

public function __construct( array $services = [] );

Constructor

public function load( mixed $config ): AdapterInterface;

Factory to create an instance from a Config object

public function newInstance( string $name, array $options = [] ): AdapterInterface;

このアダプターの新しいインスタンスを作成

protected function getExceptionClass(): string;

protected function getServices(): array;

Returns the available adapters

Class Phalcon\Db\Column

GitHub上のソース

Namespace Phalcon\Db   Implements ColumnInterface

Allows to define columns to be used on create or alter table operations

use Phalcon\Db\Column as Column;

// Column definition
$column = new Column(
    "id",
    [
        "type"          => Column::TYPE_INTEGER,
        "size"          => 10,
        "unsigned"      => true,
        "notNull"       => true,
        "autoIncrement" => true,
        "first"         => true,
        "comment"       => "",
    ]
);

// Add column to existing table
$connection->addColumn("robots", null, $column);

定数

const BIND_PARAM_BLOB = 3;
const BIND_PARAM_BOOL = 5;
const BIND_PARAM_DECIMAL = 32;
const BIND_PARAM_INT = 1;
const BIND_PARAM_NULL = 0;
const BIND_PARAM_STR = 2;
const BIND_SKIP = 1024;
const TYPE_BIGINTEGER = 14;
const TYPE_BINARY = 26;
const TYPE_BIT = 19;
const TYPE_BLOB = 11;
const TYPE_BOOLEAN = 8;
const TYPE_CHAR = 5;
const TYPE_DATE = 1;
const TYPE_DATETIME = 4;
const TYPE_DECIMAL = 3;
const TYPE_DOUBLE = 9;
const TYPE_ENUM = 18;
const TYPE_FLOAT = 7;
const TYPE_INTEGER = 0;
const TYPE_JSON = 15;
const TYPE_JSONB = 16;
const TYPE_LONGBLOB = 13;
const TYPE_LONGTEXT = 24;
const TYPE_MEDIUMBLOB = 12;
const TYPE_MEDIUMINTEGER = 21;
const TYPE_MEDIUMTEXT = 23;
const TYPE_SMALLINTEGER = 22;
const TYPE_TEXT = 6;
const TYPE_TIME = 20;
const TYPE_TIMESTAMP = 17;
const TYPE_TINYBLOB = 10;
const TYPE_TINYINTEGER = 26;
const TYPE_TINYTEXT = 25;
const TYPE_VARBINARY = 27;
const TYPE_VARCHAR = 2;

Properties

/**
 * Column Position
 *
 * @var string|null
 */
protected after;

/**
 * Column is autoIncrement?
 *
 * @var bool
 */
protected autoIncrement = false;

/**
 * Bind Type
 *
 * @var int
 */
protected bindType = 2;

/**
 * Column's comment
 *
 * @var string|null
 */
protected comment;

/**
 * Default column value
 *
 * @var mixed|null
 */
protected defaultValue;

/**
 * Position is first
 *
 * @var bool
 */
protected first = false;

/**
 * The column have some numeric type?
 *
 * @var bool
 */
protected isNumeric = false;

/**
 * Column's name
 *
 * @var string
 */
protected name;

/**
 * Column not nullable?
 *
 * Default SQL definition is NOT NULL.
 *
 * @var bool
 */
protected notNull = true;

/**
 * Column is part of the primary key?
 *
 * @var bool
 */
protected primary = false;

/**
 * Integer column number scale
 *
 * @var int
 */
protected scale = 0;

/**
 * Integer column size
 *
 * @var int|string
 */
protected size = 0;

/**
 * Column data type
 *
 * @var int
 */
protected type;

/**
 * Column data type reference
 *
 * @var int
 */
protected typeReference = -1;

/**
 * Column data type values
 *
 * @var array|string
 */
protected typeValues;

/**
 * Integer column unsigned?
 *
 * @var bool
 */
protected unsigned = false;

メソッド

public function __construct( string $name, array $definition );

Phalcon\Db\Column constructor

public function getAfterPosition(): string | null;

Check whether field absolute to position in table

public function getBindType(): int;

Returns the type of bind handling

public function getComment(): string | null;

Column’s comment

public function getDefault(): mixed;

Default column value

public function getName(): string;

Column’s name

public function getScale(): int;

Integer column number scale

public function getSize(): int | string;

Integer column size

public function getType(): int;

Column data type

public function getTypeReference(): int;

Column data type reference

public function getTypeValues(): array | string;

Column data type values

public function hasDefault(): bool;

Check whether column has default value

public function isAutoIncrement(): bool;

Auto-Increment

public function isFirst(): bool;

Check whether column have first position in table

public function isNotNull(): bool;

Not null

public function isNumeric(): bool;

Check whether column have an numeric type

public function isPrimary(): bool;

Column is part of the primary key?

public function isUnsigned(): bool;

Returns true if number column is unsigned

Interface Phalcon\Db\ColumnInterface

GitHub上のソース

Namespace Phalcon\Db

Interface for Phalcon\Db\Column

メソッド

public function getAfterPosition(): string | null;

Check whether field absolute to position in table

public function getBindType(): int;

Returns the type of bind handling

public function getDefault(): mixed;

Returns default value of column

public function getName(): string;

Returns column name

public function getScale(): int;

Returns column scale

public function getSize(): int | string;

Returns column size

public function getType(): int;

Returns column type

public function getTypeReference(): int;

Returns column type reference

public function getTypeValues(): array | string;

Returns column type values

public function hasDefault(): bool;

Check whether column has default value

public function isAutoIncrement(): bool;

Auto-Increment

public function isFirst(): bool;

Check whether column have first position in table

public function isNotNull(): bool;

Not null

public function isNumeric(): bool;

Check whether column have an numeric type

public function isPrimary(): bool;

Column is part of the primary key?

public function isUnsigned(): bool;

Returns true if number column is unsigned

Abstract Class Phalcon\Db\Dialect

GitHub上のソース

Namespace Phalcon\Db   Implements DialectInterface

This is the base class to each database dialect. This implements common methods to transform intermediate code into its RDBMS related syntax

Properties

/**
 * @var string
 */
protected escapeChar;

/**
 * @var array
 */
protected customFunctions;

メソッド

public function createSavepoint( string $name ): string;

Generate SQL to create a new savepoint

final public function escape( string $str, string $escapeChar = null ): string;

Escape identifiers

final public function escapeSchema( string $str, string $escapeChar = null ): string;

Escape Schema

public function forUpdate( string $sqlQuery ): string;

Returns a SQL modified with a FOR UPDATE clause

$sql = $dialect->forUpdate("SELECTFROM robots");

echo $sql; // SELECTFROM robots FOR UPDATE

final public function getColumnList( array $columnList, string $escapeChar = null, array $bindCounts = [] ): string;

Gets a list of columns with escaped identifiers

echo $dialect->getColumnList(
    [
        "column1",
        "column",
    ]
);

public function getCustomFunctions(): array;

Returns registered functions

final public function getSqlColumn( mixed $column, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve Column expressions

public function getSqlExpression( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Transforms an intermediate representation for an expression into a database system valid expression

final public function getSqlTable( mixed $table, string $escapeChar = null ): string;

Transform an intermediate representation of a schema/table into a database system valid expression

public function limit( string $sqlQuery, mixed $number ): string;

Generates the SQL for LIMIT clause

// SELECTFROM robots LIMIT 10
echo $dialect->limit(
    "SELECTFROM robots",
    10
);

// SELECTFROM robots LIMIT 10 OFFSET 50
echo $dialect->limit(
    "SELECTFROM robots",
    [10, 50]
);

public function registerCustomFunction( string $name, callable $customFunction ): Dialect;

Registers custom SQL functions

public function releaseSavepoint( string $name ): string;

Generate SQL to release a savepoint

public function rollbackSavepoint( string $name ): string;

Generate SQL to rollback a savepoint

public function select( array $definition ): string;

Builds a SELECT statement

public function supportsReleaseSavepoints(): bool;

Checks whether the platform supports releasing savepoints.

public function supportsSavepoints(): bool;

Checks whether the platform supports savepoints

protected function checkColumnType( ColumnInterface $column ): string;

Checks the column type and if not string it returns the type reference

protected function checkColumnTypeSql( ColumnInterface $column ): string;

Checks the column type and returns the updated SQL statement

protected function getColumnSize( ColumnInterface $column ): string;

Returns the size of the column enclosed in parentheses

protected function getColumnSizeAndScale( ColumnInterface $column ): string;

Returns the column size and scale enclosed in parentheses

final protected function getSqlExpressionAll( array $expression, string $escapeChar = null ): string;

Resolve

final protected function getSqlExpressionBinaryOperations( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve binary operations expressions

final protected function getSqlExpressionCase( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve CASE expressions

final protected function getSqlExpressionCastValue( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve CAST of values

final protected function getSqlExpressionConvertValue( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve CONVERT of values encodings

final protected function getSqlExpressionFrom( mixed $expression, string $escapeChar = null ): string;

Resolve a FROM clause

final protected function getSqlExpressionFunctionCall( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve function calls

final protected function getSqlExpressionGroupBy( mixed $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve a GROUP BY clause

final protected function getSqlExpressionHaving( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve a HAVING clause

final protected function getSqlExpressionJoins( mixed $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve a JOINs clause

final protected function getSqlExpressionLimit( mixed $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve a LIMIT clause

final protected function getSqlExpressionList( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve Lists

final protected function getSqlExpressionObject( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve object expressions

final protected function getSqlExpressionOrderBy( mixed $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve an ORDER BY clause

final protected function getSqlExpressionQualified( array $expression, string $escapeChar = null ): string;

Resolve qualified expressions

final protected function getSqlExpressionScalar( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve Column expressions

final protected function getSqlExpressionUnaryOperations( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve unary operations expressions

final protected function getSqlExpressionWhere( mixed $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Resolve a WHERE clause

protected function prepareColumnAlias( string $qualified, string $alias = null, string $escapeChar = null ): string;

Prepares column for this RDBMS

protected function prepareQualified( string $column, string $domain = null, string $escapeChar = null ): string;

Prepares qualified for this RDBMS

protected function prepareTable( string $table, string $schema = null, string $alias = null, string $escapeChar = null ): string;

Prepares table for this RDBMS

Class Phalcon\Db\Dialect\Mysql

GitHub上のソース

Namespace Phalcon\Db\Dialect   Uses Phalcon\Db\Dialect, Phalcon\Db\Column, Phalcon\Db\Exception, Phalcon\Db\IndexInterface, Phalcon\Db\ColumnInterface, Phalcon\Db\ReferenceInterface, Phalcon\Db\DialectInterface   Extends Dialect

Generates database specific SQL for the MySQL RDBMS

Properties

/**
 * @var string
 */
protected escapeChar = `;

メソッド

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): string;

Generates SQL to add a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): string;

Generates SQL to add an index to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add the primary key to a table

public function createTable( string $tableName, string $schemaName, array $definition ): string;

Generates SQL to create a table

public function createView( string $viewName, array $definition, string $schemaName = null ): string;

Generates SQL to create a view

public function describeColumns( string $table, string $schema = null ): string;

Generates SQL describing a table

print_r(
    $dialect->describeColumns("posts")
);

public function describeIndexes( string $table, string $schema = null ): string;

Generates SQL to query indexes on a table

public function describeReferences( string $table, string $schema = null ): string;

Generates SQL to query foreign keys on a table

public function dropColumn( string $tableName, string $schemaName, string $columnName ): string;

Generates SQL to delete a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): string;

Generates SQL to delete a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, string $indexName ): string;

Generates SQL to delete an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): string;

Generates SQL to delete primary key from a table

public function dropTable( string $tableName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a table

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a view

public function getColumnDefinition( ColumnInterface $column ): string;

Gets the column name in MySQL

public function getForeignKeyChecks(): string;

Generates SQL to check DB parameter FOREIGN_KEY_CHECKS.

public function listTables( string $schemaName = null ): string;

List all tables in database

print_r(
    $dialect->listTables("blog")
);

public function listViews( string $schemaName = null ): string;

Generates the SQL to list all views of a schema or user

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): string;

Generates SQL to modify a column in a table

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified with a LOCK IN SHARE MODE clause

$sql = $dialect->sharedLock("SELECTFROM robots");

echo $sql; // SELECTFROM robots LOCK IN SHARE MODE

public function tableExists( string $tableName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.table

echo $dialect->tableExists("posts", "blog");

echo $dialect->tableExists("posts");

public function tableOptions( string $table, string $schema = null ): string;

Generates the SQL to describe the table creation options

public function truncateTable( string $tableName, string $schemaName ): string;

Generates SQL to truncate a table

public function viewExists( string $viewName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.view

protected function getTableOptions( array $definition ): string;

Generates SQL to add the table creation options

Class Phalcon\Db\Dialect\Postgresql

GitHub上のソース

Namespace Phalcon\Db\Dialect   Uses Phalcon\Db\Dialect, Phalcon\Db\Column, Phalcon\Db\Exception, Phalcon\Db\IndexInterface, Phalcon\Db\ColumnInterface, Phalcon\Db\ReferenceInterface, Phalcon\Db\DialectInterface   Extends Dialect

Generates database specific SQL for the PostgreSQL RDBMS

Properties

/**
 * @var string
 */
protected escapeChar = \";

メソッド

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): string;

Generates SQL to add a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): string;

Generates SQL to add an index to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add the primary key to a table

public function createTable( string $tableName, string $schemaName, array $definition ): string;

Generates SQL to create a table

public function createView( string $viewName, array $definition, string $schemaName = null ): string;

Generates SQL to create a view

public function describeColumns( string $table, string $schema = null ): string;

Generates SQL describing a table

print_r(
    $dialect->describeColumns("posts")
);

public function describeIndexes( string $table, string $schema = null ): string;

Generates SQL to query indexes on a table

public function describeReferences( string $table, string $schema = null ): string;

Generates SQL to query foreign keys on a table

public function dropColumn( string $tableName, string $schemaName, string $columnName ): string;

Generates SQL to delete a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): string;

Generates SQL to delete a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, string $indexName ): string;

Generates SQL to delete an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): string;

Generates SQL to delete primary key from a table

public function dropTable( string $tableName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a table

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a view

public function getColumnDefinition( ColumnInterface $column ): string;

Gets the column name in PostgreSQL

public function listTables( string $schemaName = null ): string;

List all tables in database

print_r(
    $dialect->listTables("blog")
);

public function listViews( string $schemaName = null ): string;

Generates the SQL to list all views of a schema or user

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): string;

Generates SQL to modify a column in a table

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified a shared lock statement. For now this method returns the original query

public function tableExists( string $tableName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.table

echo $dialect->tableExists("posts", "blog");

echo $dialect->tableExists("posts");

public function tableOptions( string $table, string $schema = null ): string;

Generates the SQL to describe the table creation options

public function truncateTable( string $tableName, string $schemaName ): string;

Generates SQL to truncate a table

public function viewExists( string $viewName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.view

protected function castDefault( ColumnInterface $column ): string;

protected function getTableOptions( array $definition ): string;

Class Phalcon\Db\Dialect\Sqlite

GitHub上のソース

Namespace Phalcon\Db\Dialect   Uses Phalcon\Db\Column, Phalcon\Db\Exception, Phalcon\Db\IndexInterface, Phalcon\Db\Dialect, Phalcon\Db\DialectInterface, Phalcon\Db\ColumnInterface, Phalcon\Db\ReferenceInterface   Extends Dialect

Generates database specific SQL for the SQLite RDBMS

Properties

/**
 * @var string
 */
protected escapeChar = \";

メソッド

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): string;

Generates SQL to add a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): string;

Generates SQL to add an index to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add the primary key to a table

public function createTable( string $tableName, string $schemaName, array $definition ): string;

Generates SQL to create a table

public function createView( string $viewName, array $definition, string $schemaName = null ): string;

Generates SQL to create a view

public function describeColumns( string $table, string $schema = null ): string;

Generates SQL describing a table

print_r(
    $dialect->describeColumns("posts")
);

public function describeIndex( string $index ): string;

Generates SQL to query indexes detail on a table

public function describeIndexes( string $table, string $schema = null ): string;

Generates SQL to query indexes on a table

public function describeReferences( string $table, string $schema = null ): string;

Generates SQL to query foreign keys on a table

public function dropColumn( string $tableName, string $schemaName, string $columnName ): string;

Generates SQL to delete a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): string;

Generates SQL to delete a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, string $indexName ): string;

Generates SQL to delete an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): string;

Generates SQL to delete primary key from a table

public function dropTable( string $tableName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a table

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a view

public function forUpdate( string $sqlQuery ): string;

Returns a SQL modified with a FOR UPDATE clause. For SQLite it returns the original query

public function getColumnDefinition( ColumnInterface $column ): string;

Gets the column name in SQLite

public function listIndexesSql( string $table, string $schema = null, string $keyName = null ): string;

Generates the SQL to get query list of indexes

print_r(
    $dialect->listIndexesSql("blog")
);

public function listTables( string $schemaName = null ): string;

List all tables in database

print_r(
    $dialect->listTables("blog")
);

public function listViews( string $schemaName = null ): string;

Generates the SQL to list all views of a schema or user

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): string;

Generates SQL to modify a column in a table

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified a shared lock statement. For now this method returns the original query

public function tableExists( string $tableName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.table

echo $dialect->tableExists("posts", "blog");

echo $dialect->tableExists("posts");

public function tableOptions( string $table, string $schema = null ): string;

Generates the SQL to describe the table creation options

public function truncateTable( string $tableName, string $schemaName ): string;

Generates SQL to truncate a table

public function viewExists( string $viewName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.view

Interface Phalcon\Db\DialectInterface

GitHub上のソース

Namespace Phalcon\Db

Interface for Phalcon\Db dialects

メソッド

public function addColumn( string $tableName, string $schemaName, ColumnInterface $column ): string;

Generates SQL to add a column to a table

public function addForeignKey( string $tableName, string $schemaName, ReferenceInterface $reference ): string;

Generates SQL to add an index to a table

public function addIndex( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add an index to a table

public function addPrimaryKey( string $tableName, string $schemaName, IndexInterface $index ): string;

Generates SQL to add the primary key to a table

public function createSavepoint( string $name ): string;

Generate SQL to create a new savepoint

public function createTable( string $tableName, string $schemaName, array $definition ): string;

Generates SQL to create a table

public function createView( string $viewName, array $definition, string $schemaName = null ): string;

Generates SQL to create a view

public function describeColumns( string $table, string $schema = null ): string;

Generates SQL to describe a table

public function describeIndexes( string $table, string $schema = null ): string;

Generates SQL to query indexes on a table

public function describeReferences( string $table, string $schema = null ): string;

Generates SQL to query foreign keys on a table

public function dropColumn( string $tableName, string $schemaName, string $columnName ): string;

Generates SQL to delete a column from a table

public function dropForeignKey( string $tableName, string $schemaName, string $referenceName ): string;

Generates SQL to delete a foreign key from a table

public function dropIndex( string $tableName, string $schemaName, string $indexName ): string;

Generates SQL to delete an index from a table

public function dropPrimaryKey( string $tableName, string $schemaName ): string;

Generates SQL to delete primary key from a table

public function dropTable( string $tableName, string $schemaName ): string;

Generates SQL to drop a table

public function dropView( string $viewName, string $schemaName = null, bool $ifExists = bool ): string;

Generates SQL to drop a view

public function forUpdate( string $sqlQuery ): string;

Returns a SQL modified with a FOR UPDATE clause

public function getColumnDefinition( ColumnInterface $column ): string;

Gets the column name in RDBMS

public function getColumnList( array $columnList ): string;

Gets a list of columns

public function getCustomFunctions(): array;

Returns registered functions

public function getSqlExpression( array $expression, string $escapeChar = null, array $bindCounts = [] ): string;

Transforms an intermediate representation for an expression into a database system valid expression

public function limit( string $sqlQuery, mixed $number ): string;

Generates the SQL for LIMIT clause

public function listTables( string $schemaName = null ): string;

List all tables in database

public function modifyColumn( string $tableName, string $schemaName, ColumnInterface $column, ColumnInterface $currentColumn = null ): string;

Generates SQL to modify a column in a table

public function registerCustomFunction( string $name, callable $customFunction ): Dialect;

Registers custom SQL functions

public function releaseSavepoint( string $name ): string;

Generate SQL to release a savepoint

public function rollbackSavepoint( string $name ): string;

Generate SQL to rollback a savepoint

public function select( array $definition ): string;

Builds a SELECT statement

public function sharedLock( string $sqlQuery ): string;

Returns a SQL modified with a LOCK IN SHARE MODE clause

public function supportsReleaseSavepoints(): bool;

Checks whether the platform supports releasing savepoints.

public function supportsSavepoints(): bool;

Checks whether the platform supports savepoints

public function tableExists( string $tableName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.table

public function tableOptions( string $table, string $schema = null ): string;

Generates the SQL to describe the table creation options

public function viewExists( string $viewName, string $schemaName = null ): string;

Generates SQL checking for the existence of a schema.view

Class Phalcon\Db\Enum

GitHub上のソース

Namespace Phalcon\Db

Constants for Phalcon\Db

定数

const FETCH_ASSOC;
const FETCH_BOTH;
const FETCH_BOUND;
const FETCH_CLASS;
const FETCH_CLASSTYPE;
const FETCH_COLUMN;
const FETCH_DEFAULT = 0;
const FETCH_FUNC;
const FETCH_GROUP;
const FETCH_INTO;
const FETCH_KEY_PAIR;
const FETCH_LAZY;
const FETCH_NAMED;
const FETCH_NUM;
const FETCH_OBJ;
const FETCH_PROPS_LATE;
const FETCH_SERIALIZE;
const FETCH_UNIQUE;

Class Phalcon\Db\Exception

GitHub上のソース

Namespace Phalcon\Db   Extends \Exception

Exceptions thrown in Phalcon\Db will use this class

Class Phalcon\Db\Index

GitHub上のソース

Namespace Phalcon\Db   Implements IndexInterface

Allows to define indexes to be used on tables. Indexes are a common way to enhance database performance. An index allows the database server to find and retrieve specific rows much faster than it could do without an index

// Define new unique index
$index_unique = new \Phalcon\Db\Index(
    'column_UNIQUE',
    [
        'column',
        'column',
    ],
    'UNIQUE'
);

// Define new primary index
$index_primary = new \Phalcon\Db\Index(
    'PRIMARY',
    [
        'column',
    ]
);

// Add index to existing table
$connection->addIndex("robots", null, $index_unique);
$connection->addIndex("robots", null, $index_primary);

Properties

/**
 * Index columns
 *
 * @var array
 */
protected columns;

/**
 * Index name
 *
 * @var string
 */
protected name;

/**
 * Index type
 *
 * @var string
 */
protected type;

メソッド

public function __construct( string $name, array $columns, string $type = string );

Phalcon\Db\Index constructor

public function getColumns(): array;

Index columns

public function getName(): string;

Index name

public function getType(): string;

Index type

Interface Phalcon\Db\IndexInterface

GitHub上のソース

Namespace Phalcon\Db

Interface for Phalcon\Db\Index

メソッド

public function getColumns(): array;

Gets the columns that corresponds the index

public function getName(): string;

Gets the index name

public function getType(): string;

Gets the index type

Class Phalcon\Db\Profiler

GitHub上のソース

Namespace Phalcon\Db   Uses Phalcon\Db\Profiler\Item

Instances of Phalcon\Db can generate execution profiles on SQL statements sent to the relational database. Profiled information includes execution time in milliseconds. This helps you to identify bottlenecks in your applications.

use Phalcon\Db\Profiler;
use Phalcon\Events\Event;
use Phalcon\Events\Manager;

$profiler = new Profiler();
$eventsManager = new Manager();

$eventsManager->attach(
    "db",
    function (Event $event, $connection) use ($profiler) {
        if ($event->getType() === "beforeQuery") {
            $sql = $connection->getSQLStatement();

            // Start a profile with the active connection
            $profiler->startProfile($sql);
        }

        if ($event->getType() === "afterQuery") {
            // Stop the active profile
            $profiler->stopProfile();
        }
    }
);

// Set the event manager on the connection
$connection->setEventsManager($eventsManager);


$sql = "SELECT buyer_name, quantity, product_name
FROM buyers LEFT JOIN products ON
buyers.pid=products.id";

// Execute a SQL statement
$connection->query($sql);

// Get the last profile in the profiler
$profile = $profiler->getLastProfile();

echo "SQL Statement: ", $profile->getSQLStatement(), "\n";
echo "Start Time: ", $profile->getInitialTime(), "\n";
echo "Final Time: ", $profile->getFinalTime(), "\n";
echo "Total Elapsed Time: ", $profile->getTotalElapsedSeconds(), "\n";

Properties

/**
 * Active Item
 *
 * @var Item
 */
protected activeProfile;

/**
 * All the Items in the active profile
 *
 * @var Item[]
 */
protected allProfiles;

/**
 * Total time spent by all profiles to complete in nanoseconds
 *
 * @var float
 */
protected totalNanoseconds = 0;

メソッド

public function getLastProfile(): Item;

Returns the last profile executed in the profiler

public function getNumberTotalStatements(): int;

Returns the total number of SQL statements processed

public function getProfiles(): Item[];

Returns all the processed profiles

public function getTotalElapsedMilliseconds(): double;

Returns the total time in milliseconds spent by the profiles

public function getTotalElapsedNanoseconds(): double;

Returns the total time in nanoseconds spent by the profiles

public function getTotalElapsedSeconds(): double;

Returns the total time in seconds spent by the profiles

public function reset(): Profiler;

Resets the profiler, cleaning up all the profiles

public function startProfile( string $sqlStatement, array $sqlVariables = [], array $sqlBindTypes = [] ): Profiler;

Starts the profile of a SQL sentence

public function stopProfile(): Profiler;

Stops the active profile

Class Phalcon\Db\Profiler\Item

GitHub上のソース

Namespace Phalcon\Db\Profiler

This class identifies each profile in a Phalcon\Db\Profiler

Properties

/**
 * Timestamp when the profile ended
 *
 * @var double
 */
protected finalTime;

/**
 * Timestamp when the profile started
 *
 * @var double
 */
protected initialTime;

/**
 * SQL bind types related to the profile
 *
 * @var array
 */
protected sqlBindTypes;

/**
 * SQL statement related to the profile
 *
 * @var string
 */
protected sqlStatement;

/**
 * SQL variables related to the profile
 *
 * @var array
 */
protected sqlVariables;

メソッド

public function getFinalTime(): double;

Return the timestamp when the profile ended

public function getInitialTime(): double;

Return the timestamp when the profile started

public function getSqlBindTypes(): array;

Return the SQL bind types related to the profile

public function getSqlStatement(): string;

Return the SQL statement related to the profile

public function getSqlVariables(): array;

Return the SQL variables related to the profile

public function getTotalElapsedMilliseconds(): double;

Returns the total time in milliseconds spent by the profile

public function getTotalElapsedNanoseconds(): double;

Returns the total time in nanoseconds spent by the profile

public function getTotalElapsedSeconds(): double;

Returns the total time in seconds spent by the profile

public function setFinalTime( double $finalTime ): Item;

Return the timestamp when the profile ended

public function setInitialTime( double $initialTime ): Item;

Return the timestamp when the profile started

public function setSqlBindTypes( array $sqlBindTypes ): Item;

Return the SQL bind types related to the profile

public function setSqlStatement( string $sqlStatement ): Item;

Return the SQL statement related to the profile

public function setSqlVariables( array $sqlVariables ): Item;

Return the SQL variables related to the profile

Class Phalcon\Db\RawValue

GitHub上のソース

Namespace Phalcon\Db

This class allows to insert/update raw data without quoting or formatting.

The next example shows how to use the MySQL now() function as a field value.

$subscriber = new Subscribers();

$subscriber->email     = "[email protected]";
$subscriber->createdAt = new \Phalcon\Db\RawValue("now()");

$subscriber->save();

Properties

/**
 * Raw value without quoting or formatting
 *
 * @var string
 */
protected value;

メソッド

public function __construct( mixed $value );

Phalcon\Db\RawValue constructor

public function __toString(): string;

public function getValue(): string;

Class Phalcon\Db\Reference

GitHub上のソース

Namespace Phalcon\Db   Implements ReferenceInterface

Allows to define reference constraints on tables

$reference = new \Phalcon\Db\Reference(
    "field_fk",
    [
        "referencedSchema"  => "invoicing",
        "referencedTable"   => "products",
        "columns"           => [
            "producttype",
            "product_code",
        ],
        "referencedColumns" => [
            "type",
            "code",
        ],
    ]
);

Properties

/**
 * Local reference columns
 *
 * @var array
 */
protected columns;

/**
 * Constraint name
 *
 * @var string
 */
protected name;

/**
 * Referenced Columns
 *
 * @var array
 */
protected referencedColumns;

/**
 * Referenced Schema
 *
 * @var string
 */
protected referencedSchema;

/**
 * Referenced Table
 *
 * @var string
 */
protected referencedTable;

/**
 * Schema name
 *
 * @var string
 */
protected schemaName;

/**
 * ON DELETE
 *
 * @var string
 */
protected onDelete;

/**
 * ON UPDATE
 *
 * @var string
 */
protected onUpdate;

メソッド

public function __construct( string $name, array $definition );

Phalcon\Db\Reference constructor

public function getColumns(): array;

Local reference columns

public function getName(): string;

Constraint name

public function getOnDelete(): string;

ON DELETE

public function getOnUpdate(): string;

ON UPDATE

public function getReferencedColumns(): array;

Referenced Columns

public function getReferencedSchema(): string;

Referenced Schema

public function getReferencedTable(): string;

Referenced Table

public function getSchemaName(): string;

Schema name

Interface Phalcon\Db\ReferenceInterface

GitHub上のソース

Namespace Phalcon\Db

Interface for Phalcon\Db\Reference

メソッド

public function getColumns(): array;

Gets local columns which reference is based

public function getName(): string;

Gets the index name

public function getOnDelete(): string;

Gets the referenced on delete

public function getOnUpdate(): string;

Gets the referenced on update

public function getReferencedColumns(): array;

Gets referenced columns

public function getReferencedSchema(): string;

Gets the schema where referenced table is

public function getReferencedTable(): string;

Gets the referenced table

public function getSchemaName(): string;

Gets the schema where referenced table is

Class Phalcon\Db\Result\PdoResult

GitHub上のソース

Namespace Phalcon\Db\Result   Uses Pdo, Phalcon\Db\Enum, Phalcon\Db\ResultInterface, Phalcon\Db\Adapter\AdapterInterface   Implements ResultInterface

Encapsulates the resultset internals

$result = $connection->query("SELECTFROM robots ORDER BY name");

$result->setFetchMode(
    \Phalcon\Db\Enum::FETCH_NUM
);

while ($robot = $result->fetchArray()) {
    print_r($robot);
}

Properties

/**
 * @var array
 */
protected bindParams;

/**
 * @var array
 */
protected bindTypes;

/**
 * @var AdapterInterface
 */
protected connection;

/**
 * Active fetch mode
 *
 * @var int
 */
protected fetchMode;

/**
 * Internal resultset
 *
 * @var \PDOStatement
 */
protected pdoStatement;

/**
 * @var mixed
 * TODO: Check if this property is used
 */
protected result;

/**
 * @var bool
 */
protected rowCount = false;

/**
 * @var string|null
 */
protected sqlStatement;

メソッド

public function __construct( AdapterInterface $connection, \PDOStatement $result, mixed $sqlStatement = null, mixed $bindParams = null, mixed $bindTypes = null );

Phalcon\Db\Result\Pdo constructor

public function dataSeek( int $number ): void;

Moves internal resultset cursor to another position letting us to fetch a certain row

$result = $connection->query(
    "SELECTFROM robots ORDER BY name"
);

// Move to third row on result
$result->dataSeek(2);

// Fetch third row
$row = $result->fetch();

public function execute(): bool;

Allows to execute the statement again. Some database systems don’t support scrollable cursors. So, as cursors are forward only, we need to execute the cursor again to fetch rows from the beginning

public function fetch( int $fetchStyle = null, int $cursorOrientation = static-constant-access, int $cursorOffset = int );

Fetches an array/object of strings that corresponds to the fetched row, or FALSE if there are no more rows. This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

$result = $connection->query("SELECTFROM robots ORDER BY name");

$result->setFetchMode(
    \Phalcon\Enum::FETCH_OBJ
);

while ($robot = $result->fetch()) {
    echo $robot->name;
}

public function fetchAll( int $fetchStyle = null, int $fetchArgument = static-constant-access, int $ctorArgs = int ): array;

Returns an array of arrays containing all the records in the result This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

$result = $connection->query(
    "SELECTFROM robots ORDER BY name"
);

$robots = $result->fetchAll();

public function fetchArray();

Returns an array of strings that corresponds to the fetched row, or FALSE if there are no more rows. This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

$result = $connection->query("SELECTFROM robots ORDER BY name");

$result->setFetchMode(
    \Phalcon\Enum::FETCH_NUM
);

while ($robot = result->fetchArray()) {
    print_r($robot);
}

public function getInternalResult(): \PDOStatement;

Gets the internal PDO result object

public function numRows(): int;

Gets number of rows returned by a resultset

$result = $connection->query(
    "SELECTFROM robots ORDER BY name"
);

echo "There are ", $result->numRows(), " rows in the resultset";

public function setFetchMode( int $fetchMode, mixed $colNoOrClassNameOrObject = null, mixed $ctorargs = null ): bool;

Changes the fetching mode affecting Phalcon\Db\Result\Pdo::fetch()

// Return array with integer indexes
$result->setFetchMode(
    \Phalcon\Enum::FETCH_NUM
);

// Return associative array without integer indexes
$result->setFetchMode(
    \Phalcon\Enum::FETCH_ASSOC
);

// Return associative array together with integer indexes
$result->setFetchMode(
    \Phalcon\Enum::FETCH_BOTH
);

// Return an object
$result->setFetchMode(
    \Phalcon\Enum::FETCH_OBJ
);

Interface Phalcon\Db\ResultInterface

GitHub上のソース

Namespace Phalcon\Db

Interface for Phalcon\Db\Result objects

メソッド

public function dataSeek( int $number );

Moves internal resultset cursor to another position letting us to fetch a certain row

public function execute(): bool;

Allows to execute the statement again. Some database systems don’t support scrollable cursors. So, as cursors are forward only, we need to execute the cursor again to fetch rows from the beginning

public function fetch(): mixed;

Fetches an array/object of strings that corresponds to the fetched row, or FALSE if there are no more rows. This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

public function fetchAll(): array;

Returns an array of arrays containing all the records in the result. This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

public function fetchArray(): mixed;

Returns an array of strings that corresponds to the fetched row, or FALSE if there are no more rows. This method is affected by the active fetch flag set using Phalcon\Db\Result\Pdo::setFetchMode()

public function getInternalResult(): \PDOStatement;

Gets the internal PDO result object

public function numRows(): int;

Gets number of rows returned by a resultset

public function setFetchMode( int $fetchMode ): bool;

Changes the fetching mode affecting Phalcon\Db\Result\Pdo::fetch()

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