The Pdo\Pgsql class

Introduction

A PDO subclass representing a connection using the PostgreSQL PDO driver.

This driver supports a dedicated SQL query parser for the PostgreSQL dialect. It can handle the following:

Single and double-quoted literals, with doubling as escaping mechanism
C-style “escape” string literals
Dollar-quoted string literals
Two-dashes and C-style comments (non-nested).
Support for ?? as escape sequence for the ? operator.

Class synopsis

Pdo\Pgsql

extends PDO

/* Inherited constants */

public const int PDO::PARAM_NULL;

public const int PDO::PARAM_BOOL = 5;

public const int PDO::PARAM_INT = 1;

public const int PDO::PARAM_STR = 2;

public const int PDO::PARAM_LOB = 3;

public const int PDO::PARAM_STMT = 4;

public const int PDO::PARAM_INPUT_OUTPUT;

public const int PDO::PARAM_STR_NATL;

public const int PDO::PARAM_STR_CHAR;

public const int PDO::PARAM_EVT_ALLOC;

public const int PDO::PARAM_EVT_FREE;

public const int PDO::PARAM_EVT_EXEC_PRE;

public const int PDO::PARAM_EVT_EXEC_POST;

public const int PDO::PARAM_EVT_FETCH_PRE;

public const int PDO::PARAM_EVT_FETCH_POST;

public const int PDO::PARAM_EVT_NORMALIZE;

public const int PDO::FETCH_DEFAULT;

public const int PDO::FETCH_LAZY;

public const int PDO::FETCH_ASSOC;

public const int PDO::FETCH_NUM;

public const int PDO::FETCH_BOTH;

public const int PDO::FETCH_OBJ;

public const int PDO::FETCH_BOUND;

public const int PDO::FETCH_COLUMN;

public const int PDO::FETCH_CLASS;

public const int PDO::FETCH_INTO;

public const int PDO::FETCH_FUNC;

public const int PDO::FETCH_GROUP;

public const int PDO::FETCH_UNIQUE;

public const int PDO::FETCH_KEY_PAIR;

public const int PDO::FETCH_CLASSTYPE;

public const int PDO::FETCH_SERIALIZE;

public const int PDO::FETCH_PROPS_LATE;

public const int PDO::FETCH_NAMED;

public const int PDO::ATTR_AUTOCOMMIT;

public const int PDO::ATTR_PREFETCH;

public const int PDO::ATTR_TIMEOUT;

public const int PDO::ATTR_ERRMODE;

public const int PDO::ATTR_SERVER_VERSION;

public const int PDO::ATTR_CLIENT_VERSION;

public const int PDO::ATTR_SERVER_INFO;

public const int PDO::ATTR_CONNECTION_STATUS;

public const int PDO::ATTR_CASE;

public const int PDO::ATTR_CURSOR_NAME;

public const int PDO::ATTR_CURSOR;

public const int PDO::ATTR_ORACLE_NULLS;

public const int PDO::ATTR_PERSISTENT;

public const int PDO::ATTR_STATEMENT_CLASS;

public const int PDO::ATTR_FETCH_TABLE_NAMES;

public const int PDO::ATTR_FETCH_CATALOG_NAMES;

public const int PDO::ATTR_DRIVER_NAME;

public const int PDO::ATTR_STRINGIFY_FETCHES;

public const int PDO::ATTR_MAX_COLUMN_LEN;

public const int PDO::ATTR_EMULATE_PREPARES;

public const int PDO::ATTR_DEFAULT_FETCH_MODE;

public const int PDO::ATTR_DEFAULT_STR_PARAM;

public const int PDO::ERRMODE_SILENT;

public const int PDO::ERRMODE_WARNING;

public const int PDO::ERRMODE_EXCEPTION;

public const int PDO::CASE_NATURAL;

public const int PDO::CASE_LOWER;

public const int PDO::CASE_UPPER;

public const int PDO::NULL_NATURAL;

public const int PDO::NULL_EMPTY_STRING;

public const int PDO::NULL_TO_STRING;

public const string PDO::ERR_NONE;

public const int PDO::FETCH_ORI_NEXT;

public const int PDO::FETCH_ORI_PRIOR;

public const int PDO::FETCH_ORI_FIRST;

public const int PDO::FETCH_ORI_LAST;

public const int PDO::FETCH_ORI_ABS;

public const int PDO::FETCH_ORI_REL;

public const int PDO::CURSOR_FWDONLY;

public const int PDO::CURSOR_SCROLL;

/* Constants */

public const int Pdo\Pgsql::ATTR_DISABLE_PREPARES;

public const int Pdo\Pgsql::ATTR_RESULT_MEMORY_SIZE;

public const int Pdo\Pgsql::TRANSACTION_IDLE;

public const int Pdo\Pgsql::TRANSACTION_ACTIVE;

public const int Pdo\Pgsql::TRANSACTION_INTRANS;

public const int Pdo\Pgsql::TRANSACTION_INERROR;

public const int Pdo\Pgsql::TRANSACTION_UNKNOWN;

/* Methods */

public bool Pdo\Pgsql::copyFromArray(
    string $tableName,
    array $rows,
    string $separator = "\t",
    string $nullAs = "\\\\N",
    stringnull $fields = null
)

public bool Pdo\Pgsql::copyFromFile(
    string $tableName,
    string $filename,
    string $separator = "\t",
    string $nullAs = "\\\\N",
    stringnull $fields = null
)

public arrayfalse Pdo\Pgsql::copyToArray(
    string $tableName,
    string $separator = "\t",
    string $nullAs = "\\\\N",
    stringnull $fields = null
)

public bool Pdo\Pgsql::copyToFile(
    string $tableName,
    string $filename,
    string $separator = "\t",
    string $nullAs = "\\\\N",
    stringnull $fields = null
)

public string Pdo\Pgsql::escapeIdentifier(string $input)

public arrayfalse Pdo\Pgsql::getNotify(int $fetchMode = PDO::FETCH_DEFAULT, int $timeoutMilliseconds = 0)

public int Pdo\Pgsql::getPid()

public stringfalse Pdo\Pgsql::lobCreate()

public resourcefalse Pdo\Pgsql::lobOpen(string $oid, string $mode = "rb")

public bool Pdo\Pgsql::lobUnlink(string $oid)

public void Pdo\Pgsql::setNoticeCallback(callablenull $callback)

/* Inherited methods */

public __construct(
    string $dsn,
    stringnull $username = null,
    #[\SensitiveParameter]stringnull $password = null,
    arraynull $options = null
)

public bool beginTransaction()

public bool commit()

public static static connect(
    string $dsn,
    stringnull $username = null,
    #[\SensitiveParameter]stringnull $password = null,
    arraynull $options = null
)

public stringnull errorCode()

public array errorInfo()

public intfalse exec(string $statement)

public mixed getAttribute(int $attribute)

public static array getAvailableDrivers()

public bool inTransaction()

public stringfalse lastInsertId(stringnull $name = null)

public PDOStatementfalse prepare(string $query, array $options = [])

public PDOStatementfalse query(string $query, intnull $fetchMode = null)

public PDOStatementfalse query(string $query, intnull $fetchMode = PDO::FETCH_COLUMN, int $colno)

public PDOStatementfalse query(
    string $query,
    intnull $fetchMode = PDO::FETCH_CLASS,
    string $classname,
    array $constructorArgs
)

public PDOStatementfalse query(string $query, intnull $fetchMode = PDO::FETCH_INTO, object $object)

public stringfalse quote(string $string, int $type = PDO::PARAM_STR)

public bool rollBack()

public bool setAttribute(int $attribute, mixed $value)

Predefined Constants

Pdo\Pgsql::ATTR_DISABLE_PREPARES: Send the query and the parameters to the server together in a single call, avoiding the need to create a named prepared statement separately. If the query is only going to be executed once this can reduce latency by avoiding an unnecessary server round-trip.
Pdo\Pgsql::ATTR_RESULT_MEMORY_SIZE: Returns the amount of memory, in bytes, allocated to the specified query result PDOStatement instance, or null if no results exist before the query is executed.
Pdo\Pgsql::TRANSACTION_IDLE
Pdo\Pgsql::TRANSACTION_ACTIVE
Pdo\Pgsql::TRANSACTION_INTRANS
Pdo\Pgsql::TRANSACTION_INERROR
Pdo\Pgsql::TRANSACTION_UNKNOWN

Table of Contents

Pdo\Pgsql::copyFromArray — Copy data from a PHP array into a table
Pdo\Pgsql::copyFromFile — Copy data from file into table
Pdo\Pgsql::copyToArray — Copy data from database table into PHP array
Pdo\Pgsql::copyToFile — Copy data from table into file
Pdo\Pgsql::escapeIdentifier — Escapes a string for use as an SQL identifier
Pdo\Pgsql::getNotify — Get asynchronous notification
Pdo\Pgsql::getPid — Get the PID of the backend process handling this connection
Pdo\Pgsql::lobCreate — Creates a new large object
Pdo\Pgsql::lobOpen — Opens an existing large object stream
Pdo\Pgsql::lobUnlink — Deletes the large object
Pdo\Pgsql::setNoticeCallback — Set a callback to handle notice and warning messages generated by the backend