Db/Adapter/Pdo/Pgsql.php

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Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Db  
Subpackage
Adapter  
Version
$Id$  

\Zend_Db_Adapter_Pdo_Pgsql

Package: Zend_Db\Adapter
Class for connecting to PostgreSQL databases and performing common operations.
Parent(s)
\Zend_Db_Adapter_Pdo_Abstract < \Zend_Db_Adapter_Abstract
Category
Zend  
Copyright
Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  

Properties

>VPropertyprotectedarray $_numericDataTypes = array(\Zend_Db::INT_TYPE => \Zend_Db::INT_TYPE, \Zend_Db::BIGINT_TYPE => \Zend_Db::BIGINT_TYPE, \Zend_Db::FLOAT_TYPE => \Zend_Db::FLOAT_TYPE, 'INTEGER' => \Zend_Db::INT_TYPE, 'SERIAL' => \Zend_Db::INT_TYPE, 'SMALLINT' => \Zend_Db::INT_TYPE, 'BIGINT' => \Zend_Db::BIGINT_TYPE, 'BIGSERIAL' => \Zend_Db::BIGINT_TYPE, 'DECIMAL' => \Zend_Db::FLOAT_TYPE, 'DOUBLE PRECISION' => \Zend_Db::FLOAT_TYPE, 'NUMERIC' => \Zend_Db::FLOAT_TYPE, 'REAL' => \Zend_Db::FLOAT_TYPE)
Keys are UPPERCASE SQL datatypes or the constants Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE.
Values are: 0 = 32-bit integer 1 = 64-bit integer 2 = float or decimal
Default valuearray(\Zend_Db::INT_TYPE => \Zend_Db::INT_TYPE, \Zend_Db::BIGINT_TYPE => \Zend_Db::BIGINT_TYPE, \Zend_Db::FLOAT_TYPE => \Zend_Db::FLOAT_TYPE, 'INTEGER' => \Zend_Db::INT_TYPE, 'SERIAL' => \Zend_Db::INT_TYPE, 'SMALLINT' => \Zend_Db::INT_TYPE, 'BIGINT' => \Zend_Db::BIGINT_TYPE, 'BIGSERIAL' => \Zend_Db::BIGINT_TYPE, 'DECIMAL' => \Zend_Db::FLOAT_TYPE, 'DOUBLE PRECISION' => \Zend_Db::FLOAT_TYPE, 'NUMERIC' => \Zend_Db::FLOAT_TYPE, 'REAL' => \Zend_Db::FLOAT_TYPE)Details
Type
array
>VPropertyprotectedstring $_pdoType = 'pgsql'
PDO type.
Default value'pgsql'Details
Type
string

Methods

methodprotected_connect() : void

Creates a PDO object and connects to the database.

Throws
ExceptionDescription
\Zend_Db_Adapter_Exception
methodpublicdescribeTable(string $tableName, string $schemaName = null) : array

Returns the column descriptions for a table.

The return value is an associative array keyed by the column name, as returned by the RDBMS. The value of each array element is an associative array with the following keys: SCHEMA_NAME => string; name of database or schema TABLE_NAME => string; COLUMN_NAME => string; column name COLUMN_POSITION => number; ordinal position of column in table DATA_TYPE => string; SQL datatype name of column DEFAULT => string; default expression of column, null if none NULLABLE => boolean; true if column can have nulls LENGTH => number; length of CHAR/VARCHAR SCALE => number; scale of NUMERIC/DECIMAL PRECISION => number; precision of NUMERIC/DECIMAL UNSIGNED => boolean; unsigned property of an integer type PRIMARY => boolean; true if column is part of the primary key PRIMARY_POSITION => integer; position of column in primary key IDENTITY => integer; true if column is auto-generated with unique values
Parameters
NameTypeDescription
$tableNamestring
$schemaNamestring

OPTIONAL

Returns
TypeDescription
array
Details
Todo
Discover integer unsigned property.  
methodpubliclastInsertId(string $tableName = null, string $primaryKey = null) : string

Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.

As a convention, on RDBMS brands that support sequences (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence from the arguments and returns the last id generated by that sequence. On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method returns the last value generated for such a column, and the table name argument is disregarded.
Parameters
NameTypeDescription
$tableNamestring

OPTIONAL Name of table.

$primaryKeystring

OPTIONAL Name of primary key column.

Returns
TypeDescription
string
methodpubliclastSequenceId(string $sequenceName) : string

Return the most recent value from the specified sequence in the database.

This is supported only on RDBMS brands that support sequences (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null.
Parameters
NameTypeDescription
$sequenceNamestring
Returns
TypeDescription
string
methodpubliclimit(string $sql, integer $count, integer $offset = 0) : string

Adds an adapter-specific LIMIT clause to the SELECT statement.

Parameters
NameTypeDescription
$sqlstring
$countinteger
$offsetinteger

OPTIONAL

Returns
TypeDescription
string
methodpubliclistTables() : array

Returns a list of the tables in the database.

Returns
TypeDescription
array
methodpublicnextSequenceId(string $sequenceName) : string

Generate a new value from the specified sequence in the database, and return it.

This is supported only on RDBMS brands that support sequences (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null.
Parameters
NameTypeDescription
$sequenceNamestring
Returns
TypeDescription
string
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