775 lines
32 KiB
PHP
775 lines
32 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.phpdoctrine.com>.
|
|
*/
|
|
/**
|
|
* @package Doctrine
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
* @author Paul Cooper <pgc@ucecom.com>
|
|
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
|
|
* @version $Revision$
|
|
* @category Object Relational Mapping
|
|
* @link www.phpdoctrine.com
|
|
* @since 1.0
|
|
*/
|
|
class Doctrine_DataDict_Pgsql extends Doctrine_Connection_Module {
|
|
/**
|
|
* @param array $reservedKeyWords an array of reserved keywords by pgsql
|
|
*/
|
|
protected static $reservedKeyWords = array(
|
|
'abort',
|
|
'absolute',
|
|
'access',
|
|
'action',
|
|
'add',
|
|
'after',
|
|
'aggregate',
|
|
'all',
|
|
'alter',
|
|
'analyse',
|
|
'analyze',
|
|
'and',
|
|
'any',
|
|
'as',
|
|
'asc',
|
|
'assertion',
|
|
'assignment',
|
|
'at',
|
|
'authorization',
|
|
'backward',
|
|
'before',
|
|
'begin',
|
|
'between',
|
|
'bigint',
|
|
'binary',
|
|
'bit',
|
|
'boolean',
|
|
'both',
|
|
'by',
|
|
'cache',
|
|
'called',
|
|
'cascade',
|
|
'case',
|
|
'cast',
|
|
'chain',
|
|
'char',
|
|
'character',
|
|
'characteristics',
|
|
'check',
|
|
'checkpoint',
|
|
'class',
|
|
'close',
|
|
'cluster',
|
|
'coalesce',
|
|
'collate',
|
|
'column',
|
|
'comment',
|
|
'commit',
|
|
'committed',
|
|
'constraint',
|
|
'constraints',
|
|
'conversion',
|
|
'convert',
|
|
'copy',
|
|
'create',
|
|
'createdb',
|
|
'createuser',
|
|
'cross',
|
|
'current_date',
|
|
'current_time',
|
|
'current_timestamp',
|
|
'current_user',
|
|
'cursor',
|
|
'cycle',
|
|
'database',
|
|
'day',
|
|
'deallocate',
|
|
'dec',
|
|
'decimal',
|
|
'declare',
|
|
'default',
|
|
'deferrable',
|
|
'deferred',
|
|
'definer',
|
|
'delete',
|
|
'delimiter',
|
|
'delimiters',
|
|
'desc',
|
|
'distinct',
|
|
'do',
|
|
'domain',
|
|
'double',
|
|
'drop',
|
|
'each',
|
|
'else',
|
|
'encoding',
|
|
'encrypted',
|
|
'end',
|
|
'escape',
|
|
'except',
|
|
'exclusive',
|
|
'execute',
|
|
'exists',
|
|
'explain',
|
|
'external',
|
|
'extract',
|
|
'false',
|
|
'fetch',
|
|
'float',
|
|
'for',
|
|
'force',
|
|
'foreign',
|
|
'forward',
|
|
'freeze',
|
|
'from',
|
|
'full',
|
|
'function',
|
|
'get',
|
|
'global',
|
|
'grant',
|
|
'group',
|
|
'handler',
|
|
'having',
|
|
'hour',
|
|
'ilike',
|
|
'immediate',
|
|
'immutable',
|
|
'implicit',
|
|
'in',
|
|
'increment',
|
|
'index',
|
|
'inherits',
|
|
'initially',
|
|
'inner',
|
|
'inout',
|
|
'input',
|
|
'insensitive',
|
|
'insert',
|
|
'instead',
|
|
'int',
|
|
'integer',
|
|
'intersect',
|
|
'interval',
|
|
'into',
|
|
'invoker',
|
|
'is',
|
|
'isnull',
|
|
'isolation',
|
|
'join',
|
|
'key',
|
|
'lancompiler',
|
|
'language',
|
|
'leading',
|
|
'left',
|
|
'level',
|
|
'like',
|
|
'limit',
|
|
'listen',
|
|
'load',
|
|
'local',
|
|
'localtime',
|
|
'localtimestamp',
|
|
'location',
|
|
'lock',
|
|
'match',
|
|
'maxvalue',
|
|
'minute',
|
|
'minvalue',
|
|
'mode',
|
|
'month',
|
|
'move',
|
|
'names',
|
|
'national',
|
|
'natural',
|
|
'nchar',
|
|
'new',
|
|
'next',
|
|
'no',
|
|
'nocreatedb',
|
|
'nocreateuser',
|
|
'none',
|
|
'not',
|
|
'nothing',
|
|
'notify',
|
|
'notnull',
|
|
'null',
|
|
'nullif',
|
|
'numeric',
|
|
'of',
|
|
'off',
|
|
'offset',
|
|
'oids',
|
|
'old',
|
|
'on',
|
|
'only',
|
|
'operator',
|
|
'option',
|
|
'or',
|
|
'order',
|
|
'out',
|
|
'outer',
|
|
'overlaps',
|
|
'overlay',
|
|
'owner',
|
|
'partial',
|
|
'password',
|
|
'path',
|
|
'pendant',
|
|
'placing',
|
|
'position',
|
|
'precision',
|
|
'prepare',
|
|
'primary',
|
|
'prior',
|
|
'privileges',
|
|
'procedural',
|
|
'procedure',
|
|
'read',
|
|
'real',
|
|
'recheck',
|
|
'references',
|
|
'reindex',
|
|
'relative',
|
|
'rename',
|
|
'replace',
|
|
'reset',
|
|
'restrict',
|
|
'returns',
|
|
'revoke',
|
|
'right',
|
|
'rollback',
|
|
'row',
|
|
'rule',
|
|
'schema',
|
|
'scroll',
|
|
'second',
|
|
'security',
|
|
'select',
|
|
'sequence',
|
|
'serializable',
|
|
'session',
|
|
'session_user',
|
|
'set',
|
|
'setof',
|
|
'share',
|
|
'show',
|
|
'similar',
|
|
'simple',
|
|
'smallint',
|
|
'some',
|
|
'stable',
|
|
'start',
|
|
'statement',
|
|
'statistics',
|
|
'stdin',
|
|
'stdout',
|
|
'storage',
|
|
'strict',
|
|
'substring',
|
|
'sysid',
|
|
'table',
|
|
'temp',
|
|
'template',
|
|
'temporary',
|
|
'then',
|
|
'time',
|
|
'timestamp',
|
|
'to',
|
|
'toast',
|
|
'trailing',
|
|
'transaction',
|
|
'treat',
|
|
'trigger',
|
|
'trim',
|
|
'true',
|
|
'truncate',
|
|
'trusted',
|
|
'type',
|
|
'unencrypted',
|
|
'union',
|
|
'unique',
|
|
'unknown',
|
|
'unlisten',
|
|
'until',
|
|
'update',
|
|
'usage',
|
|
'user',
|
|
'using',
|
|
'vacuum',
|
|
'valid',
|
|
'validator',
|
|
'values',
|
|
'varchar',
|
|
'varying',
|
|
'verbose',
|
|
'version',
|
|
'view',
|
|
'volatile',
|
|
'when',
|
|
'where',
|
|
'with',
|
|
'without',
|
|
'work',
|
|
'write',
|
|
'year',
|
|
'zone'
|
|
);
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an text type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param array $field associative array with the name of the properties
|
|
* of the field being declared as array indexes. Currently, the types
|
|
* of supported field properties are as follows:
|
|
*
|
|
* length
|
|
* Integer value that determines the maximum length of the text
|
|
* field. If this argument is missing the field should be
|
|
* declared to have the longest length allowed by the DBMS.
|
|
*
|
|
* default
|
|
* Text value to be used as default for this field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is constrained
|
|
* to not be set to null.
|
|
*
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
*/
|
|
public function getNativeDeclaration(array $field) {
|
|
switch ($field['type']) {
|
|
case 'char':
|
|
case 'string':
|
|
case 'array':
|
|
case 'object':
|
|
case 'varchar':
|
|
$length = (isset($field['length']) && $field['length']) ? $field['length'] : null;
|
|
// TODO: $db->options['default_text_field_length'];
|
|
|
|
$fixed = ((isset($field['fixed']) && $field['fixed']) || $field['type'] == 'char') ? true : false;
|
|
|
|
return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
|
|
: ($length ? 'VARCHAR('.$length.')' : 'TEXT');
|
|
|
|
case 'clob':
|
|
return 'TEXT';
|
|
case 'blob':
|
|
return 'BYTEA';
|
|
case 'integer':
|
|
if (!empty($field['autoincrement'])) {
|
|
if (!empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length > 4) {
|
|
return 'BIGSERIAL PRIMARY KEY';
|
|
}
|
|
}
|
|
return 'SERIAL PRIMARY KEY';
|
|
}
|
|
if (!empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 2) {
|
|
return 'SMALLINT';
|
|
} elseif ($length == 3 || $length == 4) {
|
|
return 'INT';
|
|
} elseif ($length > 4) {
|
|
return 'BIGINT';
|
|
}
|
|
}
|
|
return 'INT';
|
|
case 'boolean':
|
|
return 'BOOLEAN';
|
|
case 'date':
|
|
return 'DATE';
|
|
case 'time':
|
|
return 'TIME without time zone';
|
|
case 'timestamp':
|
|
return 'TIMESTAMP without time zone';
|
|
case 'float':
|
|
return 'FLOAT8';
|
|
case 'decimal':
|
|
$length = !empty($field['length']) ? $field['length'] : 18;
|
|
return 'NUMERIC(' . $length . ',' . $this->conn->getAttribute(Doctrine::ATTR_DECIMAL_PLACES) . ')';
|
|
default:
|
|
throw new Doctrine_DataDict_Pgsql_Exception('Unknown field type '. $field['type']);
|
|
}
|
|
}
|
|
/**
|
|
* Maps a native array description of a field to a portable Doctrine datatype and length
|
|
*
|
|
* @param array $field native field description
|
|
*
|
|
* @return array containing the various possible types, length, sign, fixed
|
|
*/
|
|
public function getPortableDeclaration(array $field) {
|
|
|
|
$length = $field['length'];
|
|
if ($length == '-1' && isset($field['atttypmod'])) {
|
|
$length = $field['atttypmod'] - 4;
|
|
}
|
|
if ((int)$length <= 0) {
|
|
$length = null;
|
|
}
|
|
$type = array();
|
|
$unsigned = $fixed = null;
|
|
switch (strtolower($field['type'])) {
|
|
case 'smallint':
|
|
case 'int2':
|
|
$type[] = 'integer';
|
|
$unsigned = false;
|
|
$length = 2;
|
|
if ($length == '2') {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
}
|
|
break;
|
|
case 'int':
|
|
case 'int4':
|
|
case 'integer':
|
|
case 'serial':
|
|
case 'serial4':
|
|
$type[] = 'integer';
|
|
$unsigned = false;
|
|
$length = 4;
|
|
break;
|
|
case 'bigint':
|
|
case 'int8':
|
|
case 'bigserial':
|
|
case 'serial8':
|
|
$type[] = 'integer';
|
|
$unsigned = false;
|
|
$length = 8;
|
|
break;
|
|
case 'bool':
|
|
case 'boolean':
|
|
$type[] = 'boolean';
|
|
$length = 1;
|
|
break;
|
|
case 'text':
|
|
case 'varchar':
|
|
$fixed = false;
|
|
case 'unknown':
|
|
case 'char':
|
|
case 'bpchar':
|
|
$type[] = 'text';
|
|
if ($length == '1') {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} elseif (strstr($db_type, 'text')) {
|
|
$type[] = 'clob';
|
|
}
|
|
if ($fixed !== false) {
|
|
$fixed = true;
|
|
}
|
|
break;
|
|
case 'date':
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
case 'datetime':
|
|
case 'timestamp':
|
|
$type[] = 'timestamp';
|
|
$length = null;
|
|
break;
|
|
case 'time':
|
|
$type[] = 'time';
|
|
$length = null;
|
|
break;
|
|
case 'float':
|
|
case 'double':
|
|
case 'real':
|
|
$type[] = 'float';
|
|
break;
|
|
case 'decimal':
|
|
case 'money':
|
|
case 'numeric':
|
|
$type[] = 'decimal';
|
|
break;
|
|
case 'tinyblob':
|
|
case 'mediumblob':
|
|
case 'longblob':
|
|
case 'blob':
|
|
case 'bytea':
|
|
$type[] = 'blob';
|
|
$length = null;
|
|
break;
|
|
case 'oid':
|
|
$type[] = 'blob';
|
|
$type[] = 'clob';
|
|
$length = null;
|
|
break;
|
|
case 'year':
|
|
$type[] = 'integer';
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
default:
|
|
throw new Doctrine_DataDict_Pgsql_Exception('unknown database attribute type: '.$db_type);
|
|
}
|
|
|
|
return array($type, $length, $unsigned, $fixed);
|
|
}
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $name name the field to be declared.
|
|
* @param array $field associative array with the name of the properties
|
|
* of the field being declared as array indexes. Currently, the types
|
|
* of supported field properties are as follows:
|
|
*
|
|
* unsigned
|
|
* Boolean flag that indicates whether the field should be
|
|
* declared as unsigned integer if possible.
|
|
*
|
|
* default
|
|
* Integer value to be used as default for this field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is constrained
|
|
* to not be set to null.
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
*/
|
|
public function getIntegerDeclaration($name, $field) {
|
|
/**
|
|
if (!empty($field['unsigned'])) {
|
|
$db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
|
|
}
|
|
*/
|
|
|
|
if( ! empty($field['autoincrement'])) {
|
|
$name = $this->conn->quoteIdentifier($name, true);
|
|
return $name.' '.$this->getNativeDeclaration($field);
|
|
}
|
|
|
|
$default = '';
|
|
if (array_key_exists('default', $field)) {
|
|
if ($field['default'] === '') {
|
|
$field['default'] = empty($field['notnull']) ? null : 0;
|
|
}
|
|
$default = ' DEFAULT '.$this->conn->quote($field['default'], $field['type']);
|
|
}
|
|
/**
|
|
TODO: is this needed ?
|
|
elseif (empty($field['notnull'])) {
|
|
$default = ' DEFAULT NULL';
|
|
}
|
|
*/
|
|
|
|
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
|
|
$name = $this->conn->quoteIdentifier($name, true);
|
|
return $name . ' ' . $this->getNativeDeclaration($field) . $default . $notnull;
|
|
}
|
|
/**
|
|
* listDatabases
|
|
* lists all databases
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listDatabases() {
|
|
$query = 'SELECT datname FROM pg_database';
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists all availible database functions
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listFunctions() {
|
|
$query = "
|
|
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')";
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists all database triggers
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTriggers($database = null) {
|
|
|
|
}
|
|
/**
|
|
* lists all database sequences
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listSequences($database = null) {
|
|
$query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
|
|
$query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableConstraints($table) {
|
|
$table = $db->quote($table, 'text');
|
|
$subquery = "SELECT indexrelid FROM pg_index, pg_class";
|
|
$subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND (indisunique = 't' OR indisprimary = 't')";
|
|
$query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists table constraints
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableColumns($table) {
|
|
$sql = "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 ";
|
|
$result = $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
|
|
$columns = array();
|
|
foreach ($result as $key => $val) {
|
|
if ($val['type'] === 'varchar') {
|
|
// need to add length to the type so we are compatible with
|
|
// Zend_Db_Adapter_Pdo_Pgsql!
|
|
$length = preg_replace('~.*\(([0-9]*)\).*~', '$1', $val['complete_type']);
|
|
$val['type'] .= '(' . $length . ')';
|
|
}
|
|
$description = array(
|
|
'name' => $val['field'],
|
|
'type' => $val['type'],
|
|
'notnull' => ($val['isnotnull'] == ''),
|
|
'default' => $val['default'],
|
|
'primary' => ($val['pri'] == 't'),
|
|
);
|
|
$columns[$val['field']] = new Doctrine_Schema_Column($description);
|
|
}
|
|
return $columns;
|
|
}
|
|
/**
|
|
* list all indexes in a table
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableIndexes($table) {
|
|
$table = $db->quote($table, 'text');
|
|
$subquery = "SELECT indexrelid FROM pg_index, pg_class";
|
|
$subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'";
|
|
$query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists tables
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listTables($database = null) {
|
|
$sql = "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_'";
|
|
|
|
return $this->dbh->query($sql)->fetchAll(PDO::FETCH_ASSOC);
|
|
}
|
|
/**
|
|
* lists table triggers
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableTriggers($table) {
|
|
|
|
}
|
|
/**
|
|
* list the views in the database that reference a given table
|
|
*
|
|
* @param string $table database table name
|
|
* @return array
|
|
*/
|
|
public function listTableViews($table) {
|
|
$query = 'SELECT viewname FROM pg_views';
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists database users
|
|
*
|
|
* @return array
|
|
*/
|
|
public function listUsers() {
|
|
$query = 'SELECT usename FROM pg_user';
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
/**
|
|
* lists database views
|
|
*
|
|
* @param string|null $database
|
|
* @return array
|
|
*/
|
|
public function listViews($database = null) {
|
|
$query = 'SELECT viewname FROM pg_views';
|
|
|
|
return $this->conn->fetchColumn($query);
|
|
}
|
|
}
|