\CI_DB_pdo_pgsql_forge

PDO PostgreSQL Forge Class

Summary

Methods

Properties

Constants

__construct()
create_database()
drop_database()
add_key()
add_field()
create_table()
drop_table()
rename_table()
add_column()
drop_column()
modify_column()

$fields
$keys
$primary_keys
$db_char_set

No constants found

_create_table()
_create_table_attr()
_drop_table()
_alter_table()
_process_fields()
_process_column()
_attr_type()
_attr_unsigned()
_attr_default()
_attr_unique()
_attr_auto_increment()
_process_primary_keys()
_process_indexes()
_reset()

$_create_table_if
$_drop_table_if
$db
$_create_database
$_drop_database
$_create_table
$_create_table_keys
$_rename_table
$_unsigned
$_null
$_default

N/A

No private methods found

No private properties found

N/A

File: database/drivers/pdo/subdrivers/pdo_pgsql_forge.php
Package: CodeIgniter
Class hierarchy: \CI_DB_forge

\CI_DB_pdo_forge

\CI_DB_pdo_pgsql_forge
See also: https://codeigniter.com/user_guide/database/

Properties

$fields

$fields : array

Fields data

Type

array

$keys

$keys : array

Keys data

Type

array

$primary_keys

$primary_keys : array

Primary Keys data

Type

array

$db_char_set

$db_char_set : string

Database character set

Type

string

$_create_table_if

$_create_table_if : string

CREATE TABLE IF statement

Type

string

$_drop_table_if

$_drop_table_if : string

DROP TABLE IF statement

Type

string

$db

$db : object

Database object

Type

object

$_create_database

$_create_database : string

CREATE DATABASE statement

Type

string

$_drop_database

$_drop_database : string

DROP DATABASE statement

Type

string

$_create_table

$_create_table : string

CREATE TABLE statement

Type

string

$_create_table_keys

$_create_table_keys : boolean

CREATE TABLE keys flag

Whether table keys are created from within the CREATE TABLE statement.

Type

boolean

$_rename_table

$_rename_table : string

RENAME TABLE statement

Type

string

$_unsigned

$_unsigned : array

UNSIGNED support

Type

array

$_null

$_null : string

NULL value representation in CREATE/ALTER TABLE statements

Type

string

$_default

$_default : string

DEFAULT value representation in CREATE/ALTER TABLE statements

Type

string

Methods

__construct()

__construct(  $db) : void

Class constructor

Parameters

$db

create_database()

create_database(string  $db_name) : boolean

Create database

Parameters

string

$db_name

Returns

boolean

drop_database()

drop_database(string  $db_name) : boolean

Drop database

Parameters

string

$db_name

Returns

boolean

add_key()

add_key(string  $key, boolean  $primary = FALSE) : \CI_DB_forge

Add Key

Parameters

string	$key
boolean	$primary

Returns

\CI_DB_forge

add_field()

add_field(array  $field) : \CI_DB_forge

Add Field

Parameters

array

$field

Returns

\CI_DB_forge

create_table()

create_table(string  $table, boolean  $if_not_exists = FALSE, array  $attributes = array()) : boolean

Create Table

Parameters

string	$table	Table name
boolean	$if_not_exists	Whether to add IF NOT EXISTS condition
array	$attributes	Associative array of table attributes

Returns

boolean

drop_table()

drop_table(string  $table_name, boolean  $if_exists = FALSE) : boolean

Drop Table

Parameters

string	$table_name	Table name
boolean	$if_exists	Whether to add an IF EXISTS condition

Returns

boolean

rename_table()

rename_table(string  $table_name, string  $new_table_name) : boolean

Rename Table

Parameters

string	$table_name	Old table name
string	$new_table_name	New table name

Returns

boolean

add_column()

add_column(string  $table, array  $field, string  $_after = NULL) : boolean

Column Add

Parameters

string	$table	Table name
array	$field	Column definition
string	$_after	Column for AFTER clause (deprecated)

Returns

boolean

Inherited from: \CI_DB_forge

Tags

todo	Remove deprecated $_after option in 3.1+

drop_column()

drop_column(string  $table, string  $column_name) : boolean

Column Drop

Parameters

string	$table	Table name
string	$column_name	Column name

Returns

boolean

modify_column()

modify_column(string  $table, string  $field) : boolean

Column Modify

Parameters

string	$table	Table name
string	$field	Column definition

Returns

boolean

_create_table()

_create_table(string  $table, boolean  $if_not_exists, array  $attributes) : mixed

Create Table

Parameters

string	$table	Table name
boolean	$if_not_exists	Whether to add 'IF NOT EXISTS' condition
array	$attributes	Associative array of table attributes

Returns

mixed

_create_table_attr()

_create_table_attr(array  $attributes) : string

CREATE TABLE attributes

Parameters

array

$attributes

Associative array of table attributes

Returns

string

_drop_table()

_drop_table(string  $table, boolean  $if_exists) : mixed

Drop Table

Generates a platform-specific DROP TABLE string

Parameters

string	$table	Table name
boolean	$if_exists	Whether to add an IF EXISTS condition

Returns

mixed —

(Returns a platform-specific DROP table string, or TRUE to indicate there's nothing to do)

_alter_table()

_alter_table(string  $alter_type, string  $table, mixed  $field) : string|array<mixed,string>

ALTER TABLE

Parameters

string	$alter_type	ALTER type
string	$table	Table name
mixed	$field	Column definition

Returns

string|array<mixed,string>

_process_fields()

_process_fields(boolean  $create_table = FALSE) : array

Process fields

Parameters

boolean

$create_table

Returns

array

_process_column()

_process_column(array  $field) : string

Process column

Parameters

array

$field

Returns

string

_attr_type()

_attr_type(  $attributes) : void

Field attribute TYPE

Performs a data type mapping between different databases.

Parameters

$attributes

_attr_unsigned()

_attr_unsigned(  $attributes,   $field) : void

Field attribute UNSIGNED

Depending on the _unsigned property value:

TRUE will always set $field['unsigned'] to 'UNSIGNED'
FALSE will always set $field['unsigned'] to ''
array(TYPE) will set $field['unsigned'] to 'UNSIGNED', if $attributes['TYPE'] is found in the array
array(TYPE => UTYPE) will change $field['type'], from TYPE to UTYPE in case of a match

Parameters

	$attributes
	$field

_attr_default()

_attr_default(  $attributes,   $field) : void

Field attribute DEFAULT

Parameters

	$attributes
	$field

_attr_unique()

_attr_unique(  $attributes,   $field) : void

Field attribute UNIQUE

Parameters

	$attributes
	$field

_attr_auto_increment()

_attr_auto_increment(  $attributes,   $field) : void

Field attribute AUTO_INCREMENT

Parameters

	$attributes
	$field

_process_primary_keys()

_process_primary_keys(string  $table) : string

Process primary keys

Parameters

string

$table

Table name

Returns

string

_process_indexes()

_process_indexes(string  $table) : array<mixed,string>

Process indexes

Parameters

string

$table

Table name

Returns

array<mixed,string> —

list of SQL statements

_reset()

_reset() : void

Reset

Resets table creation vars

category	Database
author	EllisLab Dev Team