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<?php
/**
* A class that implements the DB interface for Postgres
* Note: This class uses ADODB and returns RecordSets.
*
* $Id: Postgres74.php,v 1.72 2008/02/20 21:06:18 ioguix Exp $
*/
include_once('./classes/database/Postgres80.php');
class Postgres74 extends Postgres80 {
var $major_version = 7.4;
// List of all legal privileges that can be applied to different types
// of objects.
var $privlist = array(
'table' => array('SELECT', 'INSERT', 'UPDATE', 'DELETE', 'RULE', 'REFERENCES', 'TRIGGER', 'ALL PRIVILEGES'),
'view' => array('SELECT', 'INSERT', 'UPDATE', 'DELETE', 'RULE', 'REFERENCES', 'TRIGGER', 'ALL PRIVILEGES'),
'sequence' => array('SELECT', 'UPDATE', 'ALL PRIVILEGES'),
'database' => array('CREATE', 'TEMPORARY', 'ALL PRIVILEGES'),
'function' => array('EXECUTE', 'ALL PRIVILEGES'),
'language' => array('USAGE', 'ALL PRIVILEGES'),
'schema' => array('CREATE', 'USAGE', 'ALL PRIVILEGES')
);
/**
* Constructor
* @param $conn The database connection
*/
function Postgres74($conn) {
$this->Postgres80($conn);
}
// Help functions
function getHelpPages() {
include_once('./help/PostgresDoc74.php');
return $this->help_page;
}
// Database functions
/**
* Alters a database
* the multiple return vals are for postgres 8+ which support more functionality in alter database
* @param $dbName The name of the database
* @param $newName new name for the database
* @param $newOwner The new owner for the database
* @return 0 success
* @return -1 transaction error
* @return -2 owner error
* @return -3 rename error
*/
function alterDatabase($dbName, $newName, $newOwner = '', $comment = '') {
//ignore $newowner, not supported pre 8.0
//ignore $comment, not supported pre 8.2
$this->clean($dbName);
$this->clean($newName);
$status = $this->alterDatabaseRename($dbName, $newName);
if ($status != 0) return -3;
else return 0;
}
/**
* Return all database available on the server
* @return A list of databases, sorted alphabetically
*/
function getDatabases($currentdatabase = NULL) {
global $conf, $misc;
$server_info = $misc->getServerInfo();
if (isset($conf['owned_only']) && $conf['owned_only'] && !$this->isSuperUser($server_info['username'])) {
$username = $server_info['username'];
$this->clean($username);
$clause = " AND pu.usename='{$username}'";
}
else $clause = '';
if ($currentdatabase != NULL) {
$this->clean($currentdatabase);
$orderby = "ORDER BY pdb.datname = '{$currentdatabase}' DESC, pdb.datname";
}
else
$orderby = "ORDER BY pdb.datname";
if (!$conf['show_system'])
$where = ' AND NOT pdb.datistemplate';
else
$where = ' AND pdb.datallowconn';
$sql = "SELECT pdb.datname AS datname, pu.usename AS datowner, pg_encoding_to_char(encoding) AS datencoding,
(SELECT description FROM pg_description pd WHERE pdb.oid=pd.objoid) AS datcomment
FROM pg_database pdb, pg_user pu
WHERE pdb.datdba = pu.usesysid
{$where}
{$clause}
{$orderby}";
return $this->selectSet($sql);
}
/**
* Searches all system catalogs to find objects that match a certain name.
* @param $term The search term
* @param $filter The object type to restrict to ('' means no restriction)
* @return A recordset
*/
function findObject($term, $filter) {
global $conf;
/*about escaping:
* SET standard_conforming_string is not available before 8.2
* So we must use PostgreSQL specific notation :/
* E'' notation is not available before 8.1
* $$ is available since 8.0
* Nothing specific from 7.4
**/
// Escape search term for ILIKE match
$term = str_replace('_', '\\_', $term);
$term = str_replace('%', '\\%', $term);
$this->clean($term);
$this->clean($filter);
// Exclude system relations if necessary
if (!$conf['show_system']) {
// XXX: The mention of information_schema here is in the wrong place, but
// it's the quickest fix to exclude the info schema from 7.4
$where = " AND pn.nspname NOT LIKE 'pg\\\\_%' AND pn.nspname != 'information_schema'";
$lan_where = "AND pl.lanispl";
}
else {
$where = '';
$lan_where = '';
}
// Apply outer filter
$sql = '';
if ($filter != '') {
$sql = "SELECT * FROM (";
}
$sql .= "
SELECT 'SCHEMA' AS type, oid, NULL AS schemaname, NULL AS relname, nspname AS name
FROM pg_catalog.pg_namespace pn WHERE nspname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT CASE WHEN relkind='r' THEN 'TABLE' WHEN relkind='v' THEN 'VIEW' WHEN relkind='S' THEN 'SEQUENCE' END, pc.oid,
pn.nspname, NULL, pc.relname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn
WHERE pc.relnamespace=pn.oid AND relkind IN ('r', 'v', 'S') AND relname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT CASE WHEN pc.relkind='r' THEN 'COLUMNTABLE' ELSE 'COLUMNVIEW' END, NULL, pn.nspname, pc.relname, pa.attname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn,
pg_catalog.pg_attribute pa WHERE pc.relnamespace=pn.oid AND pc.oid=pa.attrelid
AND pa.attname ILIKE '%{$term}%' AND pa.attnum > 0 AND NOT pa.attisdropped AND pc.relkind IN ('r', 'v') {$where}
UNION ALL
SELECT 'FUNCTION', pp.oid, pn.nspname, NULL, pp.proname || '(' || pg_catalog.oidvectortypes(pp.proargtypes) || ')' FROM pg_catalog.pg_proc pp, pg_catalog.pg_namespace pn
WHERE pp.pronamespace=pn.oid AND NOT pp.proisagg AND pp.proname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'INDEX', NULL, pn.nspname, pc.relname, pc2.relname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn,
pg_catalog.pg_index pi, pg_catalog.pg_class pc2 WHERE pc.relnamespace=pn.oid AND pc.oid=pi.indrelid
AND pi.indexrelid=pc2.oid
AND NOT EXISTS (
SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c
ON (d.refclassid = c.tableoid AND d.refobjid = c.oid)
WHERE d.classid = pc2.tableoid AND d.objid = pc2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p')
)
AND pc2.relname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'CONSTRAINTTABLE', NULL, pn.nspname, pc.relname, pc2.conname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn,
pg_catalog.pg_constraint pc2 WHERE pc.relnamespace=pn.oid AND pc.oid=pc2.conrelid AND pc2.conrelid != 0
AND CASE WHEN pc2.contype IN ('f', 'c') THEN TRUE ELSE NOT EXISTS (
SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c
ON (d.refclassid = c.tableoid AND d.refobjid = c.oid)
WHERE d.classid = pc2.tableoid AND d.objid = pc2.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p')
) END
AND pc2.conname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'CONSTRAINTDOMAIN', pt.oid, pn.nspname, pt.typname, pc.conname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn,
pg_catalog.pg_constraint pc WHERE pt.typnamespace=pn.oid AND pt.oid=pc.contypid AND pc.contypid != 0
AND pc.conname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'TRIGGER', NULL, pn.nspname, pc.relname, pt.tgname FROM pg_catalog.pg_class pc, pg_catalog.pg_namespace pn,
pg_catalog.pg_trigger pt WHERE pc.relnamespace=pn.oid AND pc.oid=pt.tgrelid
AND ( pt.tgisconstraint = 'f' OR NOT EXISTS
(SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c
ON (d.refclassid = c.tableoid AND d.refobjid = c.oid)
WHERE d.classid = pt.tableoid AND d.objid = pt.oid AND d.deptype = 'i' AND c.contype = 'f'))
AND pt.tgname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'RULETABLE', NULL, pn.nspname AS schemaname, c.relname AS tablename, r.rulename FROM pg_catalog.pg_rewrite r
JOIN pg_catalog.pg_class c ON c.oid = r.ev_class
LEFT JOIN pg_catalog.pg_namespace pn ON pn.oid = c.relnamespace
WHERE c.relkind='r' AND r.rulename != '_RETURN' AND r.rulename ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'RULEVIEW', NULL, pn.nspname AS schemaname, c.relname AS tablename, r.rulename FROM pg_catalog.pg_rewrite r
JOIN pg_catalog.pg_class c ON c.oid = r.ev_class
LEFT JOIN pg_catalog.pg_namespace pn ON pn.oid = c.relnamespace
WHERE c.relkind='v' AND r.rulename != '_RETURN' AND r.rulename ILIKE '%{$term}%' {$where}
";
// Add advanced objects if show_advanced is set
if ($conf['show_advanced']) {
$sql .= "
UNION ALL
SELECT CASE WHEN pt.typtype='d' THEN 'DOMAIN' ELSE 'TYPE' END, pt.oid, pn.nspname, NULL,
pt.typname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn
WHERE pt.typnamespace=pn.oid AND typname ILIKE '%{$term}%'
AND (pt.typrelid = 0 OR (SELECT c.relkind = 'c' FROM pg_catalog.pg_class c WHERE c.oid = pt.typrelid))
{$where}
UNION ALL
SELECT 'OPERATOR', po.oid, pn.nspname, NULL, po.oprname FROM pg_catalog.pg_operator po, pg_catalog.pg_namespace pn
WHERE po.oprnamespace=pn.oid AND oprname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'CONVERSION', pc.oid, pn.nspname, NULL, pc.conname FROM pg_catalog.pg_conversion pc,
pg_catalog.pg_namespace pn WHERE pc.connamespace=pn.oid AND conname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT 'LANGUAGE', pl.oid, NULL, NULL, pl.lanname FROM pg_catalog.pg_language pl
WHERE lanname ILIKE '%{$term}%' {$lan_where}
UNION ALL
SELECT DISTINCT ON (p.proname) 'AGGREGATE', p.oid, pn.nspname, NULL, p.proname FROM pg_catalog.pg_proc p
LEFT JOIN pg_catalog.pg_namespace pn ON p.pronamespace=pn.oid
WHERE p.proisagg AND p.proname ILIKE '%{$term}%' {$where}
UNION ALL
SELECT DISTINCT ON (po.opcname) 'OPCLASS', po.oid, pn.nspname, NULL, po.opcname FROM pg_catalog.pg_opclass po,
pg_catalog.pg_namespace pn WHERE po.opcnamespace=pn.oid
AND po.opcname ILIKE '%{$term}%' {$where}
";
}
// Otherwise just add domains
else {
$sql .= "
UNION ALL
SELECT 'DOMAIN', pt.oid, pn.nspname, NULL,
pt.typname FROM pg_catalog.pg_type pt, pg_catalog.pg_namespace pn
WHERE pt.typnamespace=pn.oid AND pt.typtype='d' AND typname ILIKE '%{$term}%'
AND (pt.typrelid = 0 OR (SELECT c.relkind = 'c' FROM pg_catalog.pg_class c WHERE c.oid = pt.typrelid))
{$where}
";
}
if ($filter != '') {
// We use like to make RULE, CONSTRAINT and COLUMN searches work
$sql .= ") AS sub WHERE type LIKE '{$filter}%' ";
}
$sql .= "ORDER BY type, schemaname, relname, name";
return $this->selectSet($sql);
}
// Database functions
/**
* Returns table locks information in the current database
* @return A recordset
*/
function getLocks() {
global $conf;
if (!$conf['show_system'])
$where = "AND pn.nspname NOT LIKE 'pg\\\\_%'";
else
$where = "AND nspname !~ '^pg_t(emp_[0-9]+|oast)$'";
$sql = "SELECT pn.nspname, pc.relname AS tablename, pl.transaction, pl.pid, pl.mode, pl.granted
FROM pg_catalog.pg_locks pl, pg_catalog.pg_class pc, pg_catalog.pg_namespace pn
WHERE pl.relation = pc.oid AND pc.relnamespace=pn.oid {$where}
ORDER BY nspname,tablename";
return $this->selectSet($sql);
}
// Table functions
/**
* Protected method which alter a table
* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION
* @param $tblrs The table recordSet returned by getTable()
* @param $name The new name for the table
* @param $owner The new owner for the table
* @param $schema The new schema for the table
* @param $comment The comment on the table
* @param $tablespace The new tablespace for the table ('' means leave as is)
* @return 0 success
* @return -3 rename error
* @return -4 comment error
* @return -5 owner error
*/
protected
function _alterTable($tblrs, $name, $owner, $schema, $comment, $tablespace) {
/* $schema and tablespace not supported in pg74- */
$this->fieldArrayClean($tblrs->fields);
// Comment
$status = $this->setComment('TABLE', '', $tblrs->fields['relname'], $comment);
if ($status != 0) return -4;
// Owner
$this->fieldClean($owner);
$status = $this->alterTableOwner($tblrs, $owner);
if ($status != 0) return -5;
// Rename
$this->fieldClean($name);
$status = $this->alterTableName($tblrs, $name);
if ($status != 0) return -3;
return 0;
}
/**
* Alters a column in a table OR view
* @param $table The table in which the column resides
* @param $column The column to alter
* @param $name The new name for the column
* @param $notnull (boolean) True if not null, false otherwise
* @param $oldnotnull (boolean) True if column is already not null, false otherwise
* @param $default The new default for the column
* @param $olddefault The old default for the column
* @param $type The new type for the column
* @param $array True if array type, false otherwise
* @param $length The optional size of the column (ie. 30 for varchar(30))
* @param $oldtype The old type for the column
* @param $comment Comment for the column
* @return 0 success
* @return -2 set not null error
* @return -3 set default error
* @return -4 rename column error
* @return -5 comment error
* @return -6 transaction error
*/
function alterColumn($table, $column, $name, $notnull, $oldnotnull, $default, $olddefault,
$type, $length, $array, $oldtype, $comment)
{
$status = $this->beginTransaction();
if ($status != 0) return -1;
// @@ NEED TO HANDLE "NESTED" TRANSACTION HERE
if ($notnull != $oldnotnull) {
$status = $this->setColumnNull($table, $column, !$notnull);
if ($status != 0) {
$this->rollbackTransaction();
return -2;
}
}
// Set default, if it has changed
if ($default != $olddefault) {
if ($default == '')
$status = $this->dropColumnDefault($table, $column);
else
$status = $this->setColumnDefault($table, $column, $default);
if ($status != 0) {
$this->rollbackTransaction();
return -3;
}
}
// Rename the column, if it has been changed
if ($column != $name) {
$status = $this->renameColumn($table, $column, $name);
if ($status != 0) {
$this->rollbackTransaction();
return -4;
}
}
// The $name and $table parameters must be cleaned for the setComment function.
// It's ok to do that here since this is the last time these variables are used.
$this->fieldClean($name);
$this->fieldClean($table);
$status = $this->setComment('COLUMN', $name, $table, $comment);
if ($status != 0) {
$this->rollbackTransaction();
return -5;
}
return $this->endTransaction();
}
/**
* Returns table information
* @param $table The name of the table
* @return A recordset
*/
function getTable($table) {
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "
SELECT
c.relname, n.nspname, u.usename AS relowner,
pg_catalog.obj_description(c.oid, 'pg_class') AS relcomment
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_user u ON u.usesysid = c.relowner
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = 'r'
AND n.nspname = '{$c_schema}'
AND c.relname = '{$table}'";
return $this->selectSet($sql);
}
/**
* Return all tables in current database (and schema)
* @param $all True to fetch all tables, false for just in current schema
* @return All tables, sorted alphabetically
*/
function getTables($all = false) {
$c_schema = $this->_schema;
$this->clean($c_schema);
if ($all) {
// Exclude pg_catalog and information_schema tables
$sql = "SELECT schemaname AS nspname, tablename AS relname, tableowner AS relowner
FROM pg_catalog.pg_tables
WHERE schemaname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
ORDER BY schemaname, tablename";
} else {
$sql = "SELECT c.relname, pg_catalog.pg_get_userbyid(c.relowner) AS relowner,
pg_catalog.obj_description(c.oid, 'pg_class') AS relcomment,
reltuples::bigint
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = 'r'
AND nspname='{$c_schema}'
ORDER BY c.relname";
}
return $this->selectSet($sql);
}
/**
* Returns the current default_with_oids setting
* @return default_with_oids setting
*/
function getDefaultWithOid() {
// 8.0 is the first release to have this setting
// Prior releases don't have this setting... oids always activated
return 'on';
}
// Constraint functions
/**
* Returns a list of all constraints on a table,
* including constraint name, definition, related col and referenced namespace,
* table and col if needed
* @param $table the table where we are looking for fk
* @return a recordset
*/
function getConstraintsWithFields($table) {
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
// get the max number of col used in a constraint for the table
$sql = "SELECT DISTINCT
max(SUBSTRING(array_dims(c.conkey) FROM '^\\\\[.*:(.*)\\\\]$')) as nb
FROM pg_catalog.pg_constraint AS c
JOIN pg_catalog.pg_class AS r ON (c.conrelid=r.oid)
JOIN pg_catalog.pg_namespace AS ns ON (r.relnamespace=ns.oid)
WHERE
r.relname = '{$table}' AND ns.nspname='{$c_schema}'";
$rs = $this->selectSet($sql);
if ($rs->EOF) $max_col = 0;
else $max_col = $rs->fields['nb'];
$sql = '
SELECT
c.oid AS conid, c.contype, c.conname, pg_catalog.pg_get_constraintdef(c.oid, true) AS consrc,
ns1.nspname as p_schema, r1.relname as p_table, ns2.nspname as f_schema,
r2.relname as f_table, f1.attname as p_field, f1.attnum AS p_attnum, f2.attname as f_field,
f2.attnum AS f_attnum, pg_catalog.obj_description(c.oid, \'pg_constraint\') AS constcomment,
c.conrelid, c.confrelid
FROM
pg_catalog.pg_constraint AS c
JOIN pg_catalog.pg_class AS r1 ON (c.conrelid=r1.oid)
JOIN pg_catalog.pg_attribute AS f1 ON (f1.attrelid=r1.oid AND (f1.attnum=c.conkey[1]';
for ($i = 2; $i <= $rs->fields['nb']; $i++) {
$sql.= " OR f1.attnum=c.conkey[$i]";
}
$sql.= '))
JOIN pg_catalog.pg_namespace AS ns1 ON r1.relnamespace=ns1.oid
LEFT JOIN (
pg_catalog.pg_class AS r2 JOIN pg_catalog.pg_namespace AS ns2 ON (r2.relnamespace=ns2.oid)
) ON (c.confrelid=r2.oid)
LEFT JOIN pg_catalog.pg_attribute AS f2 ON
(f2.attrelid=r2.oid AND ((c.confkey[1]=f2.attnum AND c.conkey[1]=f1.attnum)';
for ($i = 2; $i <= $rs->fields['nb']; $i++)
$sql.= " OR (c.confkey[$i]=f2.attnum AND c.conkey[$i]=f1.attnum)";
$sql .= sprintf("))
WHERE
r1.relname = '%s' AND ns1.nspname='%s'
ORDER BY 1", $table, $c_schema);
return $this->selectSet($sql);
}
// Sequence functions
/**
* Returns all sequences in the current database
* @return A recordset
*/
function getSequences($all = false) {
$c_schema = $this->_schema;
$this->clean($c_schema);
if ($all) {
// Exclude pg_catalog and information_schema tables
$sql = "SELECT n.nspname, c.relname AS seqname, u.usename AS seqowner
FROM pg_catalog.pg_class c, pg_catalog.pg_user u, pg_catalog.pg_namespace n
WHERE c.relowner=u.usesysid AND c.relnamespace=n.oid
AND c.relkind = 'S'
AND n.nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast')
ORDER BY nspname, seqname";
} else {
$sql = "SELECT c.relname AS seqname, u.usename AS seqowner, pg_catalog.obj_description(c.oid, 'pg_class') AS seqcomment
FROM pg_catalog.pg_class c, pg_catalog.pg_user u, pg_catalog.pg_namespace n
WHERE c.relowner=u.usesysid AND c.relnamespace=n.oid
AND c.relkind = 'S' AND n.nspname='{$c_schema}' ORDER BY seqname";
}
return $this->selectSet( $sql );
}
// Function functions
/**
* Returns all details for a particular function
* @param $func The name of the function to retrieve
* @return Function info
*/
function getFunction($function_oid) {
$this->clean($function_oid);
$sql = "
SELECT
pc.oid AS prooid,
proname,
pg_catalog.pg_get_userbyid(proowner) AS proowner,
nspname as proschema,
lanname as prolanguage,
pg_catalog.format_type(prorettype, NULL) as proresult,
prosrc,
probin,
proretset,
proisstrict,
provolatile,
prosecdef,
pg_catalog.oidvectortypes(pc.proargtypes) AS proarguments,
pg_catalog.obj_description(pc.oid, 'pg_proc') AS procomment
FROM
pg_catalog.pg_proc pc, pg_catalog.pg_language pl, pg_catalog.pg_namespace n
WHERE
pc.oid = '$function_oid'::oid
AND pc.prolang = pl.oid
AND n.oid = pc.pronamespace
";
return $this->selectSet($sql);
}
/**
* Returns a list of all casts in the database
* @return All casts
*/
function getCasts() {
global $conf;
if ($conf['show_system'])
$where = '';
else
$where = "
AND n1.nspname NOT LIKE 'pg\\\\_%'
AND n2.nspname NOT LIKE 'pg\\\\_%'
AND n3.nspname NOT LIKE 'pg\\\\_%'
";
$sql = "
SELECT
c.castsource::pg_catalog.regtype AS castsource,
c.casttarget::pg_catalog.regtype AS casttarget,
CASE WHEN c.castfunc=0 THEN NULL
ELSE c.castfunc::pg_catalog.regprocedure END AS castfunc,
c.castcontext,
obj_description(c.oid, 'pg_cast') as castcomment
FROM
(pg_catalog.pg_cast c LEFT JOIN pg_catalog.pg_proc p ON c.castfunc=p.oid JOIN pg_catalog.pg_namespace n3 ON p.pronamespace=n3.oid),
pg_catalog.pg_type t1,
pg_catalog.pg_type t2,
pg_catalog.pg_namespace n1,
pg_catalog.pg_namespace n2
WHERE
c.castsource=t1.oid
AND c.casttarget=t2.oid
AND t1.typnamespace=n1.oid
AND t2.typnamespace=n2.oid
{$where}
ORDER BY 1, 2
";
return $this->selectSet($sql);
}
// Capabilities
function hasAlterColumnType() { return false; }
function hasCreateFieldWithConstraints() { return false; }
function hasAlterDatabaseOwner() { return false; }
function hasAlterSchemaOwner() { return false; }
function hasFunctionAlterOwner() { return false; }
function hasNamedParams() { return false; }
function hasQueryCancel() { return false; }
function hasTablespaces() { return false; }
function hasMagicTypes() { return false; }
}
?>
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