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<?php
/**
* PHPPgAdmin v6.0.0-beta.50
*/
namespace PHPPgAdmin\Database\Traits;
/**
* Common trait for tables manipulation.
*/
trait TableTrait
{
use \PHPPgAdmin\Database\Traits\ColumnTrait;
use \PHPPgAdmin\Database\Traits\RowTrait;
use \PHPPgAdmin\Database\Traits\TriggerTrait;
/**
* Return all tables in current database excluding schemas 'pg_catalog', 'information_schema' and 'pg_toast'.
*
*
* @return \PHPPgAdmin\ADORecordSet All tables, sorted alphabetically
*/
public function getAllTables()
{
$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";
return $this->selectSet($sql);
}
/**
* Return all tables in current database (and schema).
*
* @return \PHPPgAdmin\ADORecordSet All tables, sorted alphabetically
*/
public function getTables()
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$sql = "
SELECT c.relname,
pg_catalog.pg_get_userbyid(c.relowner) AS relowner,
pg_catalog.obj_description(c.oid, 'pg_class') AS relcomment,
reltuples::bigint as reltuples,
pt.spcname as tablespace, ";
if (isset($conf['display_sizes']) && $conf['display_sizes'] === true) {
$sql .= ' pg_size_pretty(pg_total_relation_size(c.oid)) as table_size ';
} else {
$sql .= " 'N/A' as table_size ";
}
$sql .= " FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
LEFT JOIN pg_catalog.pg_tablespace pt ON pt.oid=c.reltablespace
WHERE c.relkind = 'r'
AND nspname='{$c_schema}'
ORDER BY c.relname";
return $this->selectSet($sql);
}
/**
* Finds the names and schemas of parent tables (in order).
*
* @param string $table The table to find the parents for
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTableParents($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "
SELECT
pn.nspname, relname
FROM
pg_catalog.pg_class pc, pg_catalog.pg_inherits pi, pg_catalog.pg_namespace pn
WHERE
pc.oid=pi.inhparent
AND pc.relnamespace=pn.oid
AND pi.inhrelid = (SELECT oid from pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = '{$c_schema}'))
ORDER BY
pi.inhseqno
";
return $this->selectSet($sql);
}
/**
* Finds the names and schemas of child tables.
*
* @param string $table The table to find the children for
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTableChildren($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "
SELECT
pn.nspname, relname
FROM
pg_catalog.pg_class pc, pg_catalog.pg_inherits pi, pg_catalog.pg_namespace pn
WHERE
pc.oid=pi.inhrelid
AND pc.relnamespace=pn.oid
AND pi.inhparent = (SELECT oid from pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = '{$c_schema}'))
";
return $this->selectSet($sql);
}
/**
* Returns the SQL definition for the table.
* MUST be run within a transaction.
*
* @param string $table The table to define
* @param string $cleanprefix set to '-- ' to avoid issuing DROP statement
*
* @return string A string containing the formatted SQL code
*/
public function getTableDefPrefix($table, $cleanprefix = '')
{
// Fetch table
$t = $this->getTable($table);
if (!is_object($t) || $t->RecordCount() != 1) {
$this->rollbackTransaction();
return null;
}
$this->fieldClean($t->fields['relname']);
$this->fieldClean($t->fields['nspname']);
// Fetch attributes
$atts = $this->getTableAttributes($table);
if (!is_object($atts)) {
$this->rollbackTransaction();
return null;
}
// Fetch constraints
$cons = $this->getConstraints($table);
if (!is_object($cons)) {
$this->rollbackTransaction();
return null;
}
// Output a reconnect command to create the table as the correct user
$sql = $this->getChangeUserSQL($t->fields['relowner'])."\n\n";
// Set schema search path
$sql .= "SET search_path = \"{$t->fields['nspname']}\", pg_catalog;\n\n";
// Begin CREATE TABLE definition
$sql .= "-- Definition\n\n";
// DROP TABLE must be fully qualified in case a table with the same name exists
$sql .= $cleanprefix.'DROP TABLE ';
$sql .= "\"{$t->fields['nspname']}\".\"{$t->fields['relname']}\";\n";
$sql .= "CREATE TABLE \"{$t->fields['nspname']}\".\"{$t->fields['relname']}\" (\n";
// Output all table columns
$col_comments_sql = ''; // Accumulate comments on columns
$num = $atts->RecordCount() + $cons->RecordCount();
$i = 1;
while (!$atts->EOF) {
$this->fieldClean($atts->fields['attname']);
$sql .= " \"{$atts->fields['attname']}\"";
// Dump SERIAL and BIGSERIAL columns correctly
if ($this->phpBool($atts->fields['attisserial']) &&
($atts->fields['type'] == 'integer' || $atts->fields['type'] == 'bigint')) {
if ($atts->fields['type'] == 'integer') {
$sql .= ' SERIAL';
} else {
$sql .= ' BIGSERIAL';
}
} else {
$sql .= ' '.$this->formatType($atts->fields['type'], $atts->fields['atttypmod']);
// Add NOT NULL if necessary
if ($this->phpBool($atts->fields['attnotnull'])) {
$sql .= ' NOT NULL';
}
// Add default if necessary
if ($atts->fields['adsrc'] !== null) {
$sql .= " DEFAULT {$atts->fields['adsrc']}";
}
}
// Output comma or not
if ($i < $num) {
$sql .= ",\n";
} else {
$sql .= "\n";
}
// Does this column have a comment?
if ($atts->fields['comment'] !== null) {
$this->clean($atts->fields['comment']);
$col_comments_sql .= "COMMENT ON COLUMN \"{$t->fields['relname']}\".\"{$atts->fields['attname']}\" IS '{$atts->fields['comment']}';\n";
}
$atts->moveNext();
++$i;
}
// Output all table constraints
while (!$cons->EOF) {
$this->fieldClean($cons->fields['conname']);
$sql .= " CONSTRAINT \"{$cons->fields['conname']}\" ";
// Nasty hack to support pre-7.4 PostgreSQL
if ($cons->fields['consrc'] !== null) {
$sql .= $cons->fields['consrc'];
} else {
switch ($cons->fields['contype']) {
case 'p':
$keys = $this->getAttributeNames($table, explode(' ', $cons->fields['indkey']));
$sql .= 'PRIMARY KEY ('.join(',', $keys).')';
break;
case 'u':
$keys = $this->getAttributeNames($table, explode(' ', $cons->fields['indkey']));
$sql .= 'UNIQUE ('.join(',', $keys).')';
break;
default:
// Unrecognised constraint
$this->rollbackTransaction();
return null;
}
}
// Output comma or not
if ($i < $num) {
$sql .= ",\n";
} else {
$sql .= "\n";
}
$cons->moveNext();
++$i;
}
$sql .= ')';
// @@@@ DUMP CLUSTERING INFORMATION
// Inherits
/**
* XXX: This is currently commented out as handling inheritance isn't this simple.
* You also need to make sure you don't dump inherited columns and defaults, as well
* as inherited NOT NULL and CHECK constraints. So for the time being, we just do
* not claim to support inheritance.
* $parents = $this->getTableParents($table);
* if ($parents->RecordCount() > 0) {
* $sql .= " INHERITS (";
* while (!$parents->EOF) {
* $this->fieldClean($parents->fields['relname']);
* // Qualify the parent table if it's in another schema
* if ($parents->fields['schemaname'] != $this->_schema) {
* $this->fieldClean($parents->fields['schemaname']);
* $sql .= "\"{$parents->fields['schemaname']}\".";
* }
* $sql .= "\"{$parents->fields['relname']}\"";.
*
* $parents->moveNext();
* if (!$parents->EOF) $sql .= ', ';
* }
* $sql .= ")";
* }
*/
// Handle WITHOUT OIDS
if ($this->hasObjectID($table)) {
$sql .= ' WITH OIDS';
} else {
$sql .= ' WITHOUT OIDS';
}
$sql .= ";\n";
// Column storage and statistics
$atts->moveFirst();
$first = true;
while (!$atts->EOF) {
$this->fieldClean($atts->fields['attname']);
// Statistics first
if ($atts->fields['attstattarget'] >= 0) {
if ($first) {
$sql .= "\n";
$first = false;
}
$sql .= "ALTER TABLE ONLY \"{$t->fields['nspname']}\".\"{$t->fields['relname']}\" ALTER COLUMN \"{$atts->fields['attname']}\" SET STATISTICS {$atts->fields['attstattarget']};\n";
}
// Then storage
if ($atts->fields['attstorage'] != $atts->fields['typstorage']) {
switch ($atts->fields['attstorage']) {
case 'p':
$storage = 'PLAIN';
break;
case 'e':
$storage = 'EXTERNAL';
break;
case 'm':
$storage = 'MAIN';
break;
case 'x':
$storage = 'EXTENDED';
break;
default:
// Unknown storage type
$this->rollbackTransaction();
return null;
}
$sql .= "ALTER TABLE ONLY \"{$t->fields['nspname']}\".\"{$t->fields['relname']}\" ALTER COLUMN \"{$atts->fields['attname']}\" SET STORAGE {$storage};\n";
}
$atts->moveNext();
}
// Comment
if ($t->fields['relcomment'] !== null) {
$this->clean($t->fields['relcomment']);
$sql .= "\n-- Comment\n\n";
$sql .= "COMMENT ON TABLE \"{$t->fields['nspname']}\".\"{$t->fields['relname']}\" IS '{$t->fields['relcomment']}';\n";
}
// Add comments on columns, if any
if ($col_comments_sql != '') {
$sql .= $col_comments_sql;
}
// Privileges
$privs = $this->getPrivileges($table, 'table');
if (!is_array($privs)) {
$this->rollbackTransaction();
return null;
}
if (sizeof($privs) > 0) {
$sql .= "\n-- Privileges\n\n";
/*
* Always start with REVOKE ALL FROM PUBLIC, so that we don't have to
* wire-in knowledge about the default public privileges for different
* kinds of objects.
*/
$sql .= "REVOKE ALL ON TABLE \"{$t->fields['nspname']}\".\"{$t->fields['relname']}\" FROM PUBLIC;\n";
foreach ($privs as $v) {
// Get non-GRANT OPTION privs
$nongrant = array_diff($v[2], $v[4]);
// Skip empty or owner ACEs
if (sizeof($v[2]) == 0 || ($v[0] == 'user' && $v[1] == $t->fields['relowner'])) {
continue;
}
// Change user if necessary
if ($this->hasGrantOption() && $v[3] != $t->fields['relowner']) {
$grantor = $v[3];
$this->clean($grantor);
$sql .= "SET SESSION AUTHORIZATION '{$grantor}';\n";
}
// Output privileges with no GRANT OPTION
$sql .= 'GRANT '.join(', ', $nongrant)." ON TABLE \"{$t->fields['relname']}\" TO ";
switch ($v[0]) {
case 'public':
$sql .= "PUBLIC;\n";
break;
case 'user':
case 'role':
$this->fieldClean($v[1]);
$sql .= "\"{$v[1]}\";\n";
break;
case 'group':
$this->fieldClean($v[1]);
$sql .= "GROUP \"{$v[1]}\";\n";
break;
default:
// Unknown privilege type - fail
$this->rollbackTransaction();
return null;
}
// Reset user if necessary
if ($this->hasGrantOption() && $v[3] != $t->fields['relowner']) {
$sql .= "RESET SESSION AUTHORIZATION;\n";
}
// Output privileges with GRANT OPTION
// Skip empty or owner ACEs
if (!$this->hasGrantOption() || sizeof($v[4]) == 0) {
continue;
}
// Change user if necessary
if ($this->hasGrantOption() && $v[3] != $t->fields['relowner']) {
$grantor = $v[3];
$this->clean($grantor);
$sql .= "SET SESSION AUTHORIZATION '{$grantor}';\n";
}
$sql .= 'GRANT '.join(', ', $v[4])." ON \"{$t->fields['relname']}\" TO ";
switch ($v[0]) {
case 'public':
$sql .= 'PUBLIC';
break;
case 'user':
case 'role':
$this->fieldClean($v[1]);
$sql .= "\"{$v[1]}\"";
break;
case 'group':
$this->fieldClean($v[1]);
$sql .= "GROUP \"{$v[1]}\"";
break;
default:
// Unknown privilege type - fail
return null;
}
$sql .= " WITH GRANT OPTION;\n";
// Reset user if necessary
if ($this->hasGrantOption() && $v[3] != $t->fields['relowner']) {
$sql .= "RESET SESSION AUTHORIZATION;\n";
}
}
}
// Add a newline to separate data that follows (if any)
$sql .= "\n";
return $sql;
}
/**
* Returns table information.
*
* @param string $table The name of the table
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTable($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = '
SELECT
c.relname, n.nspname, ';
$sql .= ($this->hasRoles() ? ' coalesce(u.usename,r.rolname) ' : ' u.usename')." AS relowner,
pg_catalog.obj_description(c.oid, 'pg_class') AS relcomment,
pt.spcname AS tablespace
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_tablespace pt ON pt.oid=c.reltablespace
LEFT JOIN pg_catalog.pg_user u ON u.usesysid = c.relowner
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace ";
$sql .= ($this->hasRoles() ? ' LEFT JOIN pg_catalog.pg_roles r ON c.relowner = r.oid ' : '').
" WHERE c.relkind = 'r'
AND n.nspname = '{$c_schema}'
AND n.oid = c.relnamespace
AND c.relname = '{$table}'";
return $this->selectSet($sql);
}
/**
* Retrieve all attributes definition of a table.
*
* @param string $table The name of the table
* @param string $c_schema The name of the schema
*
* @return \PHPPgAdmin\ADORecordSet All attributes in order
*/
private function _getTableAttributesAll($table, $c_schema)
{
$sql = "
SELECT
a.attname,
a.attnum,
pg_catalog.format_type(a.atttypid, a.atttypmod) AS TYPE,
a.atttypmod,
a.attnotnull,
a.atthasdef,
pg_catalog.pg_get_expr(adef.adbin, adef.adrelid, TRUE) AS adsrc,
a.attstattarget,
a.attstorage,
t.typstorage,
CASE
WHEN pc.oid IS NULL THEN FALSE
ELSE TRUE
END AS attisserial,
pg_catalog.col_description(a.attrelid, a.attnum) AS COMMENT
FROM pg_catalog.pg_tables tbl
JOIN pg_catalog.pg_class tbl_class ON tbl.tablename=tbl_class.relname
JOIN pg_catalog.pg_attribute a ON tbl_class.oid = a.attrelid
JOIN pg_catalog.pg_namespace ON pg_namespace.oid = tbl_class.relnamespace
AND pg_namespace.nspname=tbl.schemaname
LEFT JOIN pg_catalog.pg_attrdef adef ON a.attrelid=adef.adrelid
AND a.attnum=adef.adnum
LEFT JOIN pg_catalog.pg_type t ON a.atttypid=t.oid
LEFT JOIN pg_catalog.pg_depend pd ON pd.refobjid=a.attrelid
AND pd.refobjsubid=a.attnum
AND pd.deptype='i'
LEFT JOIN pg_catalog.pg_class pc ON pd.objid=pc.oid
AND pd.classid=pc.tableoid
AND pd.refclassid=pc.tableoid
AND pc.relkind='S'
WHERE tbl.tablename='{$table}'
AND tbl.schemaname='{$c_schema}'
AND a.attnum > 0 AND NOT a.attisdropped
ORDER BY a.attnum";
return $this->selectSet($sql);
}
/**
* Retrieve single attribute definition of a table.
*
* @param string $table The name of the table
* @param string $c_schema The schema of the table
* @param string $field (optional) The name of a field to return
*
* @return \PHPPgAdmin\ADORecordSet All attributes in order
*/
private function _getTableAttribute($table, $c_schema, $field)
{
$sql = "
SELECT
a.attname, a.attnum,
pg_catalog.format_type(a.atttypid, a.atttypmod) as type,
pg_catalog.format_type(a.atttypid, NULL) as base_type,
a.atttypmod,
a.attnotnull, a.atthasdef, pg_catalog.pg_get_expr(adef.adbin, adef.adrelid, true) as adsrc,
a.attstattarget, a.attstorage, t.typstorage,
pg_catalog.col_description(a.attrelid, a.attnum) AS comment
FROM
pg_catalog.pg_attribute a LEFT JOIN pg_catalog.pg_attrdef adef
ON a.attrelid=adef.adrelid
AND a.attnum=adef.adnum
LEFT JOIN pg_catalog.pg_type t ON a.atttypid=t.oid
WHERE
a.attrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE
nspname = '{$c_schema}'))
AND a.attname = '{$field}'";
return $this->selectSet($sql);
}
/**
* Retrieve the attribute definition of a table.
*
* @param string $table The name of the table
* @param string $field (optional) The name of a field to return
*
* @return \PHPPgAdmin\ADORecordSet All attributes in order
*/
public function getTableAttributes($table, $field = '')
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
if ($field == '') {
// This query is made much more complex by the addition of the 'attisserial' field.
// The subquery to get that field checks to see if there is an internally dependent
// sequence on the field.
return $this->_getTableAttributesAll($table, $c_schema);
}
$this->clean($field);
return $this->_getTableAttribute($table, $c_schema, $field);
}
/**
* Returns a list of all constraints on a table.
*
* @param string $table The table to find rules for
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getConstraints($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
// This SQL is greatly complicated by the need to retrieve
// index clustering information for primary and unique constraints
$sql = "SELECT
pc.conname,
pg_catalog.pg_get_constraintdef(pc.oid, true) AS consrc,
pc.contype,
CASE WHEN pc.contype='u' OR pc.contype='p' THEN (
SELECT
indisclustered
FROM
pg_catalog.pg_depend pd,
pg_catalog.pg_class pl,
pg_catalog.pg_index pi
WHERE
pd.refclassid=pc.tableoid
AND pd.refobjid=pc.oid
AND pd.objid=pl.oid
AND pl.oid=pi.indexrelid
) ELSE
NULL
END AS indisclustered
FROM
pg_catalog.pg_constraint pc
WHERE
pc.conrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace
WHERE nspname='{$c_schema}'))
ORDER BY
1
";
return $this->selectSet($sql);
}
/**
* Checks to see whether or not a table has a unique id column.
*
* @param string $table The table name
*
* @return true if it has a unique id, false otherwise
*/
public function hasObjectID($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "SELECT relhasoids FROM pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname='{$c_schema}')";
$rs = $this->selectSet($sql);
if ($rs->RecordCount() != 1) {
return null;
}
$rs->fields['relhasoids'] = $this->phpBool($rs->fields['relhasoids']);
return $rs->fields['relhasoids'];
}
/**
* Returns extra table definition information that is most usefully
* dumped after the table contents for speed and efficiency reasons.
*
* @param string $table The table to define
*
* @return string A string containing the formatted SQL code
*/
public function getTableDefSuffix($table)
{
$sql = '';
// Indexes
$indexes = $this->getIndexes($table);
if (!is_object($indexes)) {
$this->rollbackTransaction();
return null;
}
if ($indexes->RecordCount() > 0) {
$sql .= "\n-- Indexes\n\n";
while (!$indexes->EOF) {
$sql .= $indexes->fields['inddef'].";\n";
$indexes->moveNext();
}
}
// Triggers
$triggers = $this->getTriggers($table);
if (!is_object($triggers)) {
$this->rollbackTransaction();
return null;
}
if ($triggers->RecordCount() > 0) {
$sql .= "\n-- Triggers\n\n";
while (!$triggers->EOF) {
$sql .= $triggers->fields['tgdef'];
$sql .= ";\n";
$triggers->moveNext();
}
}
// Rules
$rules = $this->getRules($table);
if (!is_object($rules)) {
$this->rollbackTransaction();
return null;
}
if ($rules->RecordCount() > 0) {
$sql .= "\n-- Rules\n\n";
while (!$rules->EOF) {
$sql .= $rules->fields['definition']."\n";
$rules->moveNext();
}
}
return $sql;
}
/**
* Grabs a list of indexes for a table.
*
* @param string $table The name of a table whose indexes to retrieve
* @param bool $unique Only get unique/pk indexes
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getIndexes($table = '', $unique = false)
{
$this->clean($table);
$sql = "
SELECT c2.relname AS indname, i.indisprimary, i.indisunique, i.indisclustered,
pg_catalog.pg_get_indexdef(i.indexrelid, 0, true) AS inddef
FROM pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_index i
WHERE c.relname = '{$table}' AND pg_catalog.pg_table_is_visible(c.oid)
AND c.oid = i.indrelid AND i.indexrelid = c2.oid
";
if ($unique) {
$sql .= ' AND i.indisunique ';
}
$sql .= ' ORDER BY c2.relname';
return $this->selectSet($sql);
}
/**
* Grabs a list of triggers on a table.
*
* @param string $table The name of a table whose triggers to retrieve
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTriggers($table = '')
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "SELECT
t.tgname, pg_catalog.pg_get_triggerdef(t.oid) AS tgdef,
CASE WHEN t.tgenabled = 'D' THEN FALSE ELSE TRUE END AS tgenabled, p.oid AS prooid,
p.proname || ' (' || pg_catalog.oidvectortypes(p.proargtypes) || ')' AS proproto,
ns.nspname AS pronamespace
FROM pg_catalog.pg_trigger t, pg_catalog.pg_proc p, pg_catalog.pg_namespace ns
WHERE t.tgrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}'
AND relnamespace=(SELECT oid FROM pg_catalog.pg_namespace WHERE nspname='{$c_schema}'))
AND ( tgconstraint = 0 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 = t.tableoid AND d.objid = t.oid AND d.deptype = 'i' AND c.contype = 'f'))
AND p.oid=t.tgfoid
AND p.pronamespace = ns.oid";
return $this->selectSet($sql);
}
/**
* Returns a list of all rules on a table OR view.
*
* @param string $table The table to find rules for
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getRules($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "
SELECT *
FROM pg_catalog.pg_rules
WHERE
schemaname='{$c_schema}' AND tablename='{$table}'
ORDER BY rulename
";
return $this->selectSet($sql);
}
/**
* Creates a new table in the database.
*
* @param string $name The name of the table
* @param int $fields The number of fields
* @param array $field An array of field names
* @param array $type An array of field types
* @param array $array An array of '' or '[]' for each type if it's an array or not
* @param array $length An array of field lengths
* @param array $notnull An array of not null
* @param array $default An array of default values
* @param bool $withoutoids True if WITHOUT OIDS, false otherwise
* @param array $colcomment An array of comments
* @param string $tblcomment the comment for the table
* @param string $tablespace The tablespace name ('' means none/default)
* @param array $uniquekey An Array indicating the fields that are unique (those indexes that are set)
* @param array $primarykey An Array indicating the field used for the primarykey (those indexes that are set)
*
* @return bool|int 0 success
*/
public function createTable(
$name,
$fields,
$field,
$type,
$array,
$length,
$notnull,
$default,
$withoutoids,
$colcomment,
$tblcomment,
$tablespace,
$uniquekey,
$primarykey
) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($name);
$status = $this->beginTransaction();
if ($status != 0) {
return -1;
}
$found = false;
$first = true;
$comment_sql = ''; //Accumulate comments for the columns
$sql = "CREATE TABLE \"{$f_schema}\".\"{$name}\" (";
for ($i = 0; $i < $fields; ++$i) {
$this->fieldClean($field[$i]);
$this->clean($type[$i]);
$this->clean($length[$i]);
$this->clean($colcomment[$i]);
// Skip blank columns - for user convenience
if ($field[$i] == '' || $type[$i] == '') {
continue;
}
// If not the first column, add a comma
if (!$first) {
$sql .= ', ';
} else {
$first = false;
}
switch ($type[$i]) {
// Have to account for weird placing of length for with/without
// time zone types
case 'timestamp with time zone':
case 'timestamp without time zone':
$qual = substr($type[$i], 9);
$sql .= "\"{$field[$i]}\" timestamp";
if ($length[$i] != '') {
$sql .= "({$length[$i]})";
}
$sql .= $qual;
break;
case 'time with time zone':
case 'time without time zone':
$qual = substr($type[$i], 4);
$sql .= "\"{$field[$i]}\" time";
if ($length[$i] != '') {
$sql .= "({$length[$i]})";
}
$sql .= $qual;
break;
default:
$sql .= "\"{$field[$i]}\" {$type[$i]}";
if ($length[$i] != '') {
$sql .= "({$length[$i]})";
}
}
// Add array qualifier if necessary
if ($array[$i] == '[]') {
$sql .= '[]';
}
// Add other qualifiers
if (!isset($primarykey[$i])) {
if (isset($uniquekey[$i])) {
$sql .= ' UNIQUE';
}
if (isset($notnull[$i])) {
$sql .= ' NOT NULL';
}
}
if ($default[$i] != '') {
$sql .= " DEFAULT {$default[$i]}";
}
if ($colcomment[$i] != '') {
$comment_sql .= "COMMENT ON COLUMN \"{$name}\".\"{$field[$i]}\" IS '{$colcomment[$i]}';\n";
}
$found = true;
}
if (!$found) {
return -1;
}
// PRIMARY KEY
$primarykeycolumns = [];
for ($i = 0; $i < $fields; ++$i) {
if (isset($primarykey[$i])) {
$primarykeycolumns[] = "\"{$field[$i]}\"";
}
}
if (count($primarykeycolumns) > 0) {
$sql .= ', PRIMARY KEY ('.implode(', ', $primarykeycolumns).')';
}
$sql .= ')';
// WITHOUT OIDS
if ($withoutoids) {
$sql .= ' WITHOUT OIDS';
} else {
$sql .= ' WITH OIDS';
}
// Tablespace
if ($this->hasTablespaces() && $tablespace != '') {
$this->fieldClean($tablespace);
$sql .= " TABLESPACE \"{$tablespace}\"";
}
$status = $this->execute($sql);
if ($status) {
$this->rollbackTransaction();
return -1;
}
if ($tblcomment != '') {
$status = $this->setComment('TABLE', '', $name, $tblcomment, true);
if ($status) {
$this->rollbackTransaction();
return -1;
}
}
if ($comment_sql != '') {
$status = $this->execute($comment_sql);
if ($status) {
$this->rollbackTransaction();
return -1;
}
}
return $this->endTransaction();
}
/**
* Creates a new table in the database copying attribs and other properties from another table.
*
* @param string $name The name of the table
* @param array $like an array giving the schema ans the name of the table from which attribs are copying
* from: array(
* 'table' => table name,
* 'schema' => the schema name,
* )
* @param bool $defaults if true, copy the defaults values as well
* @param bool $constraints if true, copy the constraints as well (CHECK on table & attr)
* @param bool $idx
* @param string $tablespace The tablespace name ('' means none/default)
*
* @return bool|int
*/
public function createTableLike($name, $like, $defaults = false, $constraints = false, $idx = false, $tablespace = '')
{
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($name);
$this->fieldClean($like['schema']);
$this->fieldClean($like['table']);
$like = "\"{$like['schema']}\".\"{$like['table']}\"";
$status = $this->beginTransaction();
if ($status != 0) {
return -1;
}
$sql = "CREATE TABLE \"{$f_schema}\".\"{$name}\" (LIKE {$like}";
if ($defaults) {
$sql .= ' INCLUDING DEFAULTS';
}
if ($this->hasCreateTableLikeWithConstraints() && $constraints) {
$sql .= ' INCLUDING CONSTRAINTS';
}
if ($this->hasCreateTableLikeWithIndexes() && $idx) {
$sql .= ' INCLUDING INDEXES';
}
$sql .= ')';
if ($this->hasTablespaces() && $tablespace != '') {
$this->fieldClean($tablespace);
$sql .= " TABLESPACE \"{$tablespace}\"";
}
$status = $this->execute($sql);
if ($status) {
$this->rollbackTransaction();
return -1;
}
return $this->endTransaction();
}
/**
* Alter table properties.
*
* @param string $table The name of the table
* @param string $name The new name for the table
* @param string $owner The new owner for the table
* @param string $schema The new schema for the table
* @param string $comment The comment on the table
* @param string $tablespace The new tablespace for the table ('' means leave as is)
*
* @return bool|int 0 success
*/
public function alterTable($table, $name, $owner, $schema, $comment, $tablespace)
{
$data = $this->getTable($table);
if ($data->RecordCount() != 1) {
return -2;
}
$status = $this->beginTransaction();
if ($status != 0) {
$this->rollbackTransaction();
return -1;
}
$status = $this->_alterTable($data, $name, $owner, $schema, $comment, $tablespace);
if ($status != 0) {
$this->rollbackTransaction();
return $status;
}
return $this->endTransaction();
}
/**
* Protected method which alter a table
* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION.
*
* @param \PHPPgAdmin\ADORecordSet $tblrs The table recordSet returned by getTable()
* @param string $name The new name for the table
* @param string $owner The new owner for the table
* @param string $schema The new schema for the table
* @param string $comment The comment on the table
* @param string $tablespace The new tablespace for the table ('' means leave as is)
*
* @return int 0 success
*/
protected function _alterTable($tblrs, $name, $owner, $schema, $comment, $tablespace)
{
$this->fieldArrayClean($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;
}
// Tablespace
$this->fieldClean($tablespace);
$status = $this->alterTableTablespace($tblrs, $tablespace);
if ($status != 0) {
return -6;
}
// Rename
$this->fieldClean($name);
$status = $this->alterTableName($tblrs, $name);
if ($status != 0) {
return -3;
}
// Schema
$this->fieldClean($schema);
$status = $this->alterTableSchema($tblrs, $schema);
if ($status != 0) {
return -7;
}
return 0;
}
/**
* Alter a table's owner
* /!\ this function is called from _alterTable which take care of escaping fields.
*
* @param \PHPPgAdmin\ADORecordSet $tblrs The table RecordSet returned by getTable()
* @param null|string $owner
*
* @return int 0 if operation was successful
*/
public function alterTableOwner($tblrs, $owner = null)
{
/* vars cleaned in _alterTable */
if (!empty($owner) && ($tblrs->fields['relowner'] != $owner)) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
// If owner has been changed, then do the alteration. We are
// careful to avoid this generally as changing owner is a
// superuser only function.
$sql = "ALTER TABLE \"{$f_schema}\".\"{$tblrs->fields['relname']}\" OWNER TO \"{$owner}\"";
return $this->execute($sql);
}
return 0;
}
/**
* Alter a table's tablespace
* /!\ this function is called from _alterTable which take care of escaping fields.
*
* @param \PHPPgAdmin\ADORecordSet $tblrs The table RecordSet returned by getTable()
* @param null|string $tablespace
*
* @return int 0 if operation was successful
*/
public function alterTableTablespace($tblrs, $tablespace = null)
{
/* vars cleaned in _alterTable */
if (!empty($tablespace) && ($tblrs->fields['tablespace'] != $tablespace)) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
// If tablespace has been changed, then do the alteration. We
// don't want to do this unnecessarily.
$sql = "ALTER TABLE \"{$f_schema}\".\"{$tblrs->fields['relname']}\" SET TABLESPACE \"{$tablespace}\"";
return $this->execute($sql);
}
return 0;
}
/**
* Alter a table's name
* /!\ this function is called from _alterTable which take care of escaping fields.
*
* @param \PHPPgAdmin\ADORecordSet $tblrs The table RecordSet returned by getTable()
* @param string $name The new table's name
*
* @return int 0 if operation was successful
*/
public function alterTableName($tblrs, $name = null)
{
/* vars cleaned in _alterTable */
// Rename (only if name has changed)
if (!empty($name) && ($name != $tblrs->fields['relname'])) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$sql = "ALTER TABLE \"{$f_schema}\".\"{$tblrs->fields['relname']}\" RENAME TO \"{$name}\"";
$status = $this->execute($sql);
if ($status == 0) {
$tblrs->fields['relname'] = $name;
} else {
return $status;
}
}
return 0;
}
// Row functions
/**
* Alter a table's schema
* /!\ this function is called from _alterTable which take care of escaping fields.
*
* @param \PHPPgAdmin\ADORecordSet $tblrs The table RecordSet returned by getTable()
* @param null|string $schema
*
* @return int 0 if operation was successful
*/
public function alterTableSchema($tblrs, $schema = null)
{
/* vars cleaned in _alterTable */
if (!empty($schema) && ($tblrs->fields['nspname'] != $schema)) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
// If tablespace has been changed, then do the alteration. We
// don't want to do this unnecessarily.
$sql = "ALTER TABLE \"{$f_schema}\".\"{$tblrs->fields['relname']}\" SET SCHEMA \"{$schema}\"";
return $this->execute($sql);
}
return 0;
}
/**
* Empties a table in the database.
*
* @param string $table The table to be emptied
* @param bool $cascade True to cascade truncate, false to restrict
*
* @return array<integer,mixed|string> 0 if operation was successful
*/
public function emptyTable($table, $cascade)
{
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($table);
$sql = "TRUNCATE TABLE \"{$f_schema}\".\"{$table}\" ";
if ($cascade) {
$sql = $sql.' CASCADE';
}
$status = $this->execute($sql);
return [$status, $sql];
}
/**
* Removes a table from the database.
*
* @param string $table The table to drop
* @param bool $cascade True to cascade drop, false to restrict
*
* @return int 0 if operation was successful
*/
public function dropTable($table, $cascade)
{
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($table);
$sql = "DROP TABLE \"{$f_schema}\".\"{$table}\"";
if ($cascade) {
$sql .= ' CASCADE';
}
return $this->execute($sql);
}
/**
* Sets up the data object for a dump. eg. Starts the appropriate
* transaction, sets variables, etc.
*
* @return int 0 success
*/
public function beginDump()
{
// Begin serializable transaction (to dump consistent data)
$status = $this->beginTransaction();
if ($status != 0) {
return -1;
}
// Set serializable
$sql = 'SET TRANSACTION ISOLATION LEVEL SERIALIZABLE';
$status = $this->execute($sql);
if ($status != 0) {
$this->rollbackTransaction();
return -1;
}
// Set datestyle to ISO
$sql = 'SET DATESTYLE = ISO';
$status = $this->execute($sql);
if ($status != 0) {
$this->rollbackTransaction();
return -1;
}
// Set extra_float_digits to 2
$sql = 'SET extra_float_digits TO 2';
$status = $this->execute($sql);
if ($status != 0) {
$this->rollbackTransaction();
return -1;
}
return 0;
}
/**
* Ends the data object for a dump.
*
* @return bool 0 success
*/
public function endDump()
{
return $this->endTransaction();
}
/**
* Returns a recordset of all columns in a relation. Used for data export.
*
* @@ Note: Really needs to use a cursor
*
* @param string $relation The name of a relation
* @param bool $oids true to dump also the oids
*
* @return \PHPPgAdmin\ADORecordSet A recordset on success
*/
public function dumpRelation($relation, $oids)
{
$this->fieldClean($relation);
// Actually retrieve the rows
if ($oids) {
$oid_str = $this->id.', ';
} else {
$oid_str = '';
}
return $this->selectSet("SELECT {$oid_str}* FROM \"{$relation}\"");
}
/**
* Returns all available autovacuum per table information.
*
* @param string $table if given, return autovacuum info for the given table or return all informations for all table
*
* @return \PHPPgAdmin\ArrayRecordSet A recordset
*/
public function getTableAutovacuum($table = '')
{
$sql = '';
if ($table !== '') {
$this->clean($table);
$c_schema = $this->_schema;
$this->clean($c_schema);
$sql = "SELECT c.oid, nspname, relname, pg_catalog.array_to_string(reloptions, E',') AS reloptions
FROM pg_class c
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = 'r'::\"char\"
AND n.nspname NOT IN ('pg_catalog','information_schema')
AND c.reloptions IS NOT NULL
AND c.relname = '{$table}' AND n.nspname = '{$c_schema}'
ORDER BY nspname, relname";
} else {
$sql = "SELECT c.oid, nspname, relname, pg_catalog.array_to_string(reloptions, E',') AS reloptions
FROM pg_class c
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = 'r'::\"char\"
AND n.nspname NOT IN ('pg_catalog','information_schema')
AND c.reloptions IS NOT NULL
ORDER BY nspname, relname";
}
/* tmp var to parse the results */
$_autovacs = $this->selectSet($sql);
/* result aray to return as RS */
$autovacs = [];
while (!$_autovacs->EOF) {
$_ = [
'nspname' => $_autovacs->fields['nspname'],
'relname' => $_autovacs->fields['relname'],
];
foreach (explode(',', $_autovacs->fields['reloptions']) as $var) {
list($o, $v) = explode('=', $var);
$_[$o] = $v;
}
$autovacs[] = $_;
$_autovacs->moveNext();
}
return new \PHPPgAdmin\ArrayRecordSet($autovacs);
}
/**
* Returns the SQL for changing the current user.
*
* @param string $user The user to change to
*
* @return string The SQL
*/
public function getChangeUserSQL($user)
{
$this->clean($user);
return "SET SESSION AUTHORIZATION '{$user}';";
}
/**
* Returns all available autovacuum per table information.
*
* @param string $table table name
* @param bool $vacenabled true if vacuum is enabled
* @param int $vacthreshold vacuum threshold
* @param int $vacscalefactor vacuum scalefactor
* @param int $anathresold analyze threshold
* @param int $anascalefactor analyze scale factor
* @param int $vaccostdelay vacuum cost delay
* @param int $vaccostlimit vacuum cost limit
*
* @return bool 0 if successful
*/
public function saveAutovacuum(
$table,
$vacenabled,
$vacthreshold,
$vacscalefactor,
$anathresold,
$anascalefactor,
$vaccostdelay,
$vaccostlimit
) {
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($table);
$params = [];
$sql = "ALTER TABLE \"{$f_schema}\".\"{$table}\" SET (";
if (!empty($vacenabled)) {
$this->clean($vacenabled);
$params[] = "autovacuum_enabled='{$vacenabled}'";
}
if (!empty($vacthreshold)) {
$this->clean($vacthreshold);
$params[] = "autovacuum_vacuum_threshold='{$vacthreshold}'";
}
if (!empty($vacscalefactor)) {
$this->clean($vacscalefactor);
$params[] = "autovacuum_vacuum_scale_factor='{$vacscalefactor}'";
}
if (!empty($anathresold)) {
$this->clean($anathresold);
$params[] = "autovacuum_analyze_threshold='{$anathresold}'";
}
if (!empty($anascalefactor)) {
$this->clean($anascalefactor);
$params[] = "autovacuum_analyze_scale_factor='{$anascalefactor}'";
}
if (!empty($vaccostdelay)) {
$this->clean($vaccostdelay);
$params[] = "autovacuum_vacuum_cost_delay='{$vaccostdelay}'";
}
if (!empty($vaccostlimit)) {
$this->clean($vaccostlimit);
$params[] = "autovacuum_vacuum_cost_limit='{$vaccostlimit}'";
}
$sql = $sql.implode(',', $params).');';
return $this->execute($sql);
}
// Type conversion routines
/**
* Drops autovacuum config for a table.
*
* @param string $table The table
*
* @return bool 0 if successful
*/
public function dropAutovacuum($table)
{
$f_schema = $this->_schema;
$this->fieldClean($f_schema);
$this->fieldClean($table);
return $this->execute(
"
ALTER TABLE \"{$f_schema}\".\"{$table}\" RESET (autovacuum_enabled, autovacuum_vacuum_threshold,
autovacuum_vacuum_scale_factor, autovacuum_analyze_threshold, autovacuum_analyze_scale_factor,
autovacuum_vacuum_cost_delay, autovacuum_vacuum_cost_limit
);"
);
}
abstract public function fieldClean(&$str);
abstract public function beginTransaction();
abstract public function rollbackTransaction();
abstract public function endTransaction();
abstract public function execute($sql);
abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null);
abstract public function selectSet($sql);
abstract public function clean(&$str);
abstract public function phpBool($parameter);
abstract public function hasCreateTableLikeWithConstraints();
abstract public function hasCreateTableLikeWithIndexes();
abstract public function hasTablespaces();
abstract public function delete($table, $conditions, $schema = '');
abstract public function fieldArrayClean(&$arr);
abstract public function hasCreateFieldWithConstraints();
abstract public function getAttributeNames($table, $atts);
}
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