798 lines
24 KiB
PHP
798 lines
24 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.doctrine-project.org>.
|
|
*/
|
|
|
|
namespace Doctrine\DBAL\Platforms;
|
|
|
|
/**
|
|
* PostgreSqlPlatform.
|
|
*
|
|
* @since 2.0
|
|
* @author Roman Borschel <roman@code-factory.org>
|
|
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
|
|
* @author Benjamin Eberlei <kontakt@beberlei.de>
|
|
*/
|
|
class PostgreSqlPlatform extends AbstractPlatform
|
|
{
|
|
/**
|
|
* Constructor.
|
|
* Creates a new PostgreSqlPlatform.
|
|
*/
|
|
public function __construct()
|
|
{
|
|
parent::__construct();
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the md5 sum of a field.
|
|
*
|
|
* Note: Not SQL92, but common functionality
|
|
*
|
|
* md5() works with the default PostgreSQL 8 versions.
|
|
*
|
|
* If you are using PostgreSQL 7.x or older you need
|
|
* to make sure that the digest procedure is installed.
|
|
* If you use RPMS (Redhat and Mandrake) install the postgresql-contrib
|
|
* package. You must then install the procedure by running this shell command:
|
|
* <code>
|
|
* psql [dbname] < /usr/share/pgsql/contrib/pgcrypto.sql
|
|
* </code>
|
|
* You should make sure you run this as the postgres user.
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getMd5Expression($column)
|
|
{
|
|
if ($this->_version > 7) {
|
|
return 'MD5(' . $column . ')';
|
|
} else {
|
|
return 'encode(digest(' . $column .', md5), hex)';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns part of a string.
|
|
*
|
|
* Note: Not SQL92, but common functionality.
|
|
*
|
|
* @param string $value the target $value the string or the string column.
|
|
* @param int $from extract from this characeter.
|
|
* @param int $len extract this amount of characters.
|
|
* @return string sql that extracts part of a string.
|
|
* @override
|
|
*/
|
|
public function getSubstringExpression($value, $from, $len = null)
|
|
{
|
|
if ($len === null) {
|
|
return 'SUBSTR(' . $value . ', ' . $from . ')';
|
|
} else {
|
|
return 'SUBSTR(' . $value . ', ' . $from . ', ' . $len . ')';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* PostgreSQLs AGE(<timestamp1> [, <timestamp2>]) function.
|
|
*
|
|
* @param string $timestamp1 timestamp to subtract from NOW()
|
|
* @param string $timestamp2 optional; if given: subtract arguments
|
|
* @return string
|
|
*/
|
|
public function getAgeExpression($timestamp1, $timestamp2 = null)
|
|
{
|
|
if ( $timestamp2 == null ) {
|
|
return 'AGE(' . $timestamp1 . ')';
|
|
}
|
|
return 'AGE(' . $timestamp1 . ', ' . $timestamp2 . ')';
|
|
}
|
|
|
|
/**
|
|
* PostgreSQLs DATE_PART( <text>, <time> ) function.
|
|
*
|
|
* @param string $text what to extract
|
|
* @param string $time timestamp or interval to extract from
|
|
* @return string
|
|
*/
|
|
public function getDatePartExpression($text, $time)
|
|
{
|
|
return 'DATE_PART(' . $text . ', ' . $time . ')';
|
|
}
|
|
|
|
/**
|
|
* PostgreSQLs TO_CHAR( <time>, <text> ) function.
|
|
*
|
|
* @param string $time timestamp or interval
|
|
* @param string $text how to the format the output
|
|
* @return string
|
|
*/
|
|
public function getToCharExpression($time, $text)
|
|
{
|
|
return 'TO_CHAR(' . $time . ', ' . $text . ')';
|
|
}
|
|
|
|
/**
|
|
* Returns the SQL string to return the current system date and time.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getNowExpression()
|
|
{
|
|
return 'LOCALTIMESTAMP(0)';
|
|
}
|
|
|
|
/**
|
|
* regexp
|
|
*
|
|
* @return string the regular expression operator
|
|
* @override
|
|
*/
|
|
public function getRegexpExpression()
|
|
{
|
|
return 'SIMILAR TO';
|
|
}
|
|
|
|
/**
|
|
* return string to call a function to get random value inside an SQL statement
|
|
*
|
|
* @return return string to generate float between 0 and 1
|
|
* @access public
|
|
* @override
|
|
*/
|
|
public function getRandomExpression()
|
|
{
|
|
return 'RANDOM()';
|
|
}
|
|
|
|
/**
|
|
* build a pattern matching string
|
|
*
|
|
* EXPERIMENTAL
|
|
*
|
|
* WARNING: this function is experimental and may change signature at
|
|
* any time until labelled as non-experimental
|
|
*
|
|
* @access public
|
|
*
|
|
* @param array $pattern even keys are strings, odd are patterns (% and _)
|
|
* @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
|
|
* @param string $field optional field name that is being matched against
|
|
* (might be required when emulating ILIKE)
|
|
*
|
|
* @return string SQL pattern
|
|
* @override
|
|
*/
|
|
public function getMatchPatternExpression($pattern, $operator = null, $field = null)
|
|
{
|
|
$match = '';
|
|
if ( ! is_null($operator)) {
|
|
$field = is_null($field) ? '' : $field.' ';
|
|
$operator = strtoupper($operator);
|
|
switch ($operator) {
|
|
// case insensitive
|
|
case 'ILIKE':
|
|
$match = $field.'ILIKE ';
|
|
break;
|
|
// case sensitive
|
|
case 'LIKE':
|
|
$match = $field.'LIKE ';
|
|
break;
|
|
default:
|
|
throw DoctrineException::operatorNotSupported($operator);
|
|
}
|
|
}
|
|
$match.= "'";
|
|
foreach ($pattern as $key => $value) {
|
|
if ($key % 2) {
|
|
$match.= $value;
|
|
} else {
|
|
$match.= $this->conn->escapePattern($this->conn->escape($value));
|
|
}
|
|
}
|
|
$match.= "'";
|
|
$match.= $this->patternEscapeString();
|
|
|
|
return $match;
|
|
}
|
|
|
|
/**
|
|
* parses a literal boolean value and returns
|
|
* proper sql equivalent
|
|
*
|
|
* @param string $value boolean value to be parsed
|
|
* @return string parsed boolean value
|
|
*/
|
|
/*public function parseBoolean($value)
|
|
{
|
|
return $value;
|
|
}*/
|
|
|
|
/**
|
|
* Whether the platform supports sequences.
|
|
* Postgres has native support for sequences.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function supportsSequences()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports database schemas.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function supportsSchemas()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports identity columns.
|
|
* Postgres supports these through the SERIAL keyword.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function supportsIdentityColumns()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform prefers sequences for ID generation.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function prefersSequences()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
public function getListDatabasesSql()
|
|
{
|
|
return 'SELECT datname FROM pg_database';
|
|
}
|
|
|
|
public function getListFunctionsSql()
|
|
{
|
|
return "SELECT
|
|
proname
|
|
FROM
|
|
pg_proc pr, pg_type tp
|
|
WHERE
|
|
tp.oid = pr.prorettype
|
|
AND pr.proisagg = FALSE
|
|
AND tp.typname <> 'trigger'
|
|
AND pr.pronamespace IN
|
|
(SELECT oid FROM pg_namespace
|
|
WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
|
|
}
|
|
|
|
public function getListSequencesSql($database)
|
|
{
|
|
return "SELECT
|
|
relname
|
|
FROM
|
|
pg_class
|
|
WHERE relkind = 'S' AND relnamespace IN
|
|
(SELECT oid FROM pg_namespace
|
|
WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
|
|
}
|
|
|
|
public function getListTablesSql()
|
|
{
|
|
return "SELECT
|
|
c.relname AS table_name
|
|
FROM pg_class c, pg_user u
|
|
WHERE c.relowner = u.usesysid
|
|
AND c.relkind = 'r'
|
|
AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname)
|
|
AND c.relname !~ '^(pg_|sql_)'
|
|
UNION
|
|
SELECT c.relname AS table_name
|
|
FROM pg_class c
|
|
WHERE c.relkind = 'r'
|
|
AND NOT EXISTS (SELECT 1 FROM pg_views WHERE viewname = c.relname)
|
|
AND NOT EXISTS (SELECT 1 FROM pg_user WHERE usesysid = c.relowner)
|
|
AND c.relname !~ '^pg_'";
|
|
}
|
|
|
|
public function getListViewsSql()
|
|
{
|
|
return 'SELECT viewname, definition FROM pg_views';
|
|
}
|
|
|
|
public function getListTriggersSql($table = null)
|
|
{
|
|
$sql = 'SELECT trg.tgname AS trigger_name
|
|
FROM pg_trigger trg,
|
|
pg_class tbl
|
|
WHERE trg.tgrelid = tbl.oid';
|
|
|
|
if ( ! is_null($table)) {
|
|
$sql .= " AND tbl.relname = " . $table;
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
public function getListUsersSql()
|
|
{
|
|
return 'SELECT usename, passwd FROM pg_user';
|
|
}
|
|
|
|
public function getListTableForeignKeysSql($table, $database = null)
|
|
{
|
|
return "SELECT r.name, pg_catalog.pg_get_constraintdef(r.oid, true) as condef
|
|
FROM pg_catalog.pg_constraint r
|
|
WHERE r.conrelid =
|
|
(
|
|
SELECT c.oid
|
|
FROM pg_catalog.pg_class c
|
|
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
|
|
WHERE c.relname = '" . $table . "' AND pg_catalog.pg_table_is_visible(c.oid)
|
|
)
|
|
AND r.contype = 'f'";
|
|
}
|
|
|
|
public function getCreateViewSql($name, $sql)
|
|
{
|
|
return 'CREATE VIEW ' . $name . ' AS ' . $sql;
|
|
}
|
|
|
|
public function getDropViewSql($name)
|
|
{
|
|
return 'DROP VIEW '. $name;
|
|
}
|
|
|
|
public function getListTableConstraintsSql($table)
|
|
{
|
|
return "SELECT
|
|
relname
|
|
FROM
|
|
pg_class
|
|
WHERE oid IN (
|
|
SELECT indexrelid
|
|
FROM pg_index, pg_class
|
|
WHERE pg_class.relname = '$table'
|
|
AND pg_class.oid = pg_index.indrelid
|
|
AND (indisunique = 't' OR indisprimary = 't')
|
|
)";
|
|
}
|
|
|
|
/**
|
|
* @license New BSD License
|
|
* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
|
|
* @param string $table
|
|
* @return string
|
|
*/
|
|
public function getListTableIndexesSql($table)
|
|
{
|
|
return "SELECT relname, pg_index.indisunique, pg_index.indisprimary,
|
|
pg_index.indkey, pg_index.indrelid
|
|
FROM pg_class, pg_index
|
|
WHERE oid IN (
|
|
SELECT indexrelid
|
|
FROM pg_index, pg_class
|
|
WHERE pg_class.relname='$table' AND pg_class.oid=pg_index.indrelid
|
|
) AND pg_index.indexrelid = oid";
|
|
}
|
|
|
|
public function getListTableColumnsSql($table)
|
|
{
|
|
return "SELECT
|
|
a.attnum,
|
|
a.attname AS field,
|
|
t.typname AS type,
|
|
format_type(a.atttypid, a.atttypmod) AS complete_type,
|
|
a.attnotnull AS isnotnull,
|
|
(SELECT 't'
|
|
FROM pg_index
|
|
WHERE c.oid = pg_index.indrelid
|
|
AND pg_index.indkey[0] = a.attnum
|
|
AND pg_index.indisprimary = 't'
|
|
) AS pri,
|
|
(SELECT pg_attrdef.adsrc
|
|
FROM pg_attrdef
|
|
WHERE c.oid = pg_attrdef.adrelid
|
|
AND pg_attrdef.adnum=a.attnum
|
|
) AS default
|
|
FROM pg_attribute a, pg_class c, pg_type t
|
|
WHERE c.relname = '$table'
|
|
AND a.attnum > 0
|
|
AND a.attrelid = c.oid
|
|
AND a.atttypid = t.oid
|
|
ORDER BY a.attnum";
|
|
}
|
|
|
|
/**
|
|
* create a new database
|
|
*
|
|
* @param string $name name of the database that should be created
|
|
* @throws PDOException
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getCreateDatabaseSql($name)
|
|
{
|
|
return 'CREATE DATABASE ' . $name;
|
|
}
|
|
|
|
/**
|
|
* drop an existing database
|
|
*
|
|
* @param string $name name of the database that should be dropped
|
|
* @throws PDOException
|
|
* @access public
|
|
*/
|
|
public function getDropDatabaseSql($name)
|
|
{
|
|
return 'DROP DATABASE ' . $name;
|
|
}
|
|
|
|
/**
|
|
* getAdvancedForeignKeyOptions
|
|
* Return the FOREIGN KEY query section dealing with non-standard options
|
|
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
|
|
*
|
|
* @param array $definition foreign key definition
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getAdvancedForeignKeyOptionsSql(array $definition)
|
|
{
|
|
$query = '';
|
|
if (isset($definition['match'])) {
|
|
$query .= ' MATCH ' . $definition['match'];
|
|
}
|
|
if (isset($definition['onUpdate'])) {
|
|
$query .= ' ON UPDATE ' . $definition['onUpdate'];
|
|
}
|
|
if (isset($definition['onDelete'])) {
|
|
$query .= ' ON DELETE ' . $definition['onDelete'];
|
|
}
|
|
if (isset($definition['deferrable'])) {
|
|
$query .= ' DEFERRABLE';
|
|
} else {
|
|
$query .= ' NOT DEFERRABLE';
|
|
}
|
|
if (isset($definition['feferred'])) {
|
|
$query .= ' INITIALLY DEFERRED';
|
|
} else {
|
|
$query .= ' INITIALLY IMMEDIATE';
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* generates the sql for altering an existing table on postgresql
|
|
*
|
|
* @param string $name name of the table that is intended to be changed.
|
|
* @param array $changes associative array that contains the details of each type *
|
|
* @param boolean $check indicates whether the function should just check if the DBMS driver
|
|
* can perform the requested table alterations if the value is true or
|
|
* actually perform them otherwise.
|
|
* @see Doctrine_Export::alterTable()
|
|
* @return array
|
|
* @override
|
|
*/
|
|
public function getAlterTableSql($name, array $changes, $check = false)
|
|
{
|
|
foreach ($changes as $changeName => $change) {
|
|
switch ($changeName) {
|
|
case 'add':
|
|
case 'remove':
|
|
case 'change':
|
|
case 'name':
|
|
case 'rename':
|
|
break;
|
|
default:
|
|
throw DoctrineException::alterTableChangeNotSupported($changeName);
|
|
}
|
|
}
|
|
|
|
if ($check) {
|
|
return true;
|
|
}
|
|
|
|
$sql = array();
|
|
|
|
if (isset($changes['add']) && is_array($changes['add'])) {
|
|
foreach ($changes['add'] as $fieldName => $field) {
|
|
$query = 'ADD ' . $this->getColumnDeclarationSql($fieldName, $field);
|
|
$sql[] = 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
}
|
|
|
|
if (isset($changes['remove']) && is_array($changes['remove'])) {
|
|
foreach ($changes['remove'] as $fieldName => $field) {
|
|
$query = 'DROP ' . $fieldName;
|
|
$sql[] = 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
}
|
|
|
|
if (isset($changes['change']) && is_array($changes['change'])) {
|
|
foreach ($changes['change'] as $fieldName => $field) {
|
|
if (isset($field['definition']['type']) && $field['definition']['type'] instanceof \Doctrine\DBAL\Types\Type) {
|
|
$type = $field['definition']['type'];
|
|
|
|
// here was a server version check before, but DBAL API does not support this anymore.
|
|
$query = 'ALTER ' . $fieldName . ' TYPE ' . $type->getSqlDeclaration($field['definition'], $this);
|
|
$sql[] = 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
if (isset($field['definition']['default'])) {
|
|
$query = 'ALTER ' . $fieldName . ' SET DEFAULT ' . $field['definition']['default'];
|
|
$sql[] = 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
if (isset($field['definition']['notnull']) && is_bool($field['definition']['notnull'])) {
|
|
$query = 'ALTER ' . $fieldName . ' ' . ($field['definition']['notnull'] ? 'SET' : 'DROP') . ' NOT NULL';
|
|
$sql[] = 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (isset($changes['rename']) && is_array($changes['rename'])) {
|
|
foreach ($changes['rename'] as $fieldName => $field) {
|
|
$sql[] = 'ALTER TABLE ' . $name . ' RENAME COLUMN ' . $fieldName . ' TO ' . $field['name'];
|
|
}
|
|
}
|
|
|
|
if (isset($changes['name'])) {
|
|
$sql[] = 'ALTER TABLE ' . $name . ' RENAME TO ' . $changes['name'];
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getCreateSequenceSql($sequenceName, $start = 1, $allocationSize = 1)
|
|
{
|
|
return 'CREATE SEQUENCE ' . $sequenceName
|
|
. ' INCREMENT BY ' . $allocationSize . ' START ' . $start;
|
|
}
|
|
|
|
/**
|
|
* drop existing sequence
|
|
*
|
|
* @param string $sequenceName name of the sequence to be dropped
|
|
* @override
|
|
*/
|
|
public function getDropSequenceSql($sequenceName)
|
|
{
|
|
return 'DROP SEQUENCE ' . $sequenceName;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL used to create a table.
|
|
*
|
|
* @param unknown_type $name
|
|
* @param array $fields
|
|
* @param array $options
|
|
* @return unknown
|
|
*/
|
|
public function getCreateTableSql($name, array $fields, array $options = array())
|
|
{
|
|
$queryFields = $this->getColumnDeclarationListSql($fields);
|
|
|
|
if (isset($options['primary']) && ! empty($options['primary'])) {
|
|
$keyColumns = array_unique(array_values($options['primary']));
|
|
$queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
|
|
}
|
|
|
|
$query = 'CREATE TABLE ' . $name . ' (' . $queryFields . ')';
|
|
|
|
$sql[] = $query;
|
|
|
|
if (isset($options['indexes']) && ! empty($options['indexes'])) {
|
|
foreach($options['indexes'] as $index => $definition) {
|
|
$sql[] = $this->getCreateIndexSql($name, $index, $definition);
|
|
}
|
|
}
|
|
|
|
if (isset($options['foreignKeys'])) {
|
|
foreach ((array) $options['foreignKeys'] as $k => $definition) {
|
|
$sql[] = $this->getCreateForeignKeySql($name, $definition);
|
|
}
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Postgres wants boolean values converted to the strings 'true'/'false'.
|
|
*
|
|
* @param array $item
|
|
* @override
|
|
*/
|
|
public function convertBooleans($item)
|
|
{
|
|
if (is_array($item)) {
|
|
foreach ($item as $key => $value) {
|
|
if (is_bool($value) || is_numeric($item)) {
|
|
$item[$key] = ($value) ? 'true' : 'false';
|
|
}
|
|
}
|
|
} else {
|
|
if (is_bool($item) || is_numeric($item)) {
|
|
$item = ($item) ? 'true' : 'false';
|
|
}
|
|
}
|
|
return $item;
|
|
}
|
|
|
|
public function getSequenceNextValSql($sequenceName)
|
|
{
|
|
return "SELECT NEXTVAL('" . $sequenceName . "')";
|
|
}
|
|
|
|
public function getSetTransactionIsolationSql($level)
|
|
{
|
|
return 'SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL '
|
|
. $this->_getTransactionIsolationLevelSql($level);
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getBooleanTypeDeclarationSql(array $field)
|
|
{
|
|
return 'BOOLEAN';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getIntegerTypeDeclarationSql(array $field)
|
|
{
|
|
if ( ! empty($field['autoincrement'])) {
|
|
return 'SERIAL';
|
|
}
|
|
|
|
return 'INT';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getBigIntTypeDeclarationSql(array $field)
|
|
{
|
|
if ( ! empty($field['autoincrement'])) {
|
|
return 'BIGSERIAL';
|
|
}
|
|
return 'BIGINT';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getSmallIntTypeDeclarationSql(array $field)
|
|
{
|
|
return 'SMALLINT';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTimeTypeDeclarationSql(array $fieldDeclaration)
|
|
{
|
|
return 'TIMESTAMP(0) WITH TIME ZONE';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTypeDeclarationSql(array $fieldDeclaration)
|
|
{
|
|
return 'DATE';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getTimeTypeDeclarationSql(array $fieldDeclaration)
|
|
{
|
|
return 'TIME';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
protected function _getCommonIntegerTypeDeclarationSql(array $columnDef)
|
|
{
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL snippet used to declare a VARCHAR column on the MySql platform.
|
|
*
|
|
* @params array $field
|
|
* @override
|
|
*/
|
|
public function getVarcharTypeDeclarationSql(array $field)
|
|
{
|
|
if ( ! isset($field['length'])) {
|
|
if (array_key_exists('default', $field)) {
|
|
$field['length'] = $this->getVarcharMaxLength();
|
|
} else {
|
|
$field['length'] = false;
|
|
}
|
|
}
|
|
|
|
$length = ($field['length'] <= $this->getVarcharMaxLength()) ? $field['length'] : false;
|
|
$fixed = (isset($field['fixed'])) ? $field['fixed'] : false;
|
|
|
|
return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
|
|
: ($length ? 'VARCHAR(' . $length . ')' : 'TEXT');
|
|
}
|
|
|
|
/** @override */
|
|
public function getClobTypeDeclarationSql(array $field)
|
|
{
|
|
return 'TEXT';
|
|
}
|
|
|
|
/**
|
|
* Get the platform name for this instance
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName()
|
|
{
|
|
return 'postgresql';
|
|
}
|
|
|
|
/**
|
|
* Gets the character casing of a column in an SQL result set.
|
|
*
|
|
* PostgreSQL returns all column names in SQL result sets in lowercase.
|
|
*
|
|
* @param string $column The column name for which to get the correct character casing.
|
|
* @return string The column name in the character casing used in SQL result sets.
|
|
*/
|
|
public function getSqlResultCasing($column)
|
|
{
|
|
return strtolower($column);
|
|
}
|
|
|
|
public function getDateTimeFormatString()
|
|
{
|
|
return 'Y-m-d H:i:sO';
|
|
}
|
|
|
|
/**
|
|
* Get the insert sql for an empty insert statement
|
|
*
|
|
* @param string $tableName
|
|
* @param string $identifierColumnName
|
|
* @return string $sql
|
|
*/
|
|
public function getEmptyIdentityInsertSql($quotedTableName, $quotedIdentifierColumnName)
|
|
{
|
|
return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)';
|
|
}
|
|
}
|