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<?php |
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/** |
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* PHPPgAdmin v6.0.0-beta.41 |
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*/ |
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namespace PHPPgAdmin\Database; |
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/** |
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* Common trait for domains manipulation. |
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*/ |
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trait DomainTrait |
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{ |
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/** |
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* Gets all information for a single domain. |
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* |
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* @param string $domain The name of the domain to fetch |
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* |
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* @return \PHPPgAdmin\ADORecordSet A recordset |
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*/ |
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public function getDomain($domain) |
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{ |
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$c_schema = $this->_schema; |
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$this->clean($c_schema); |
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$this->clean($domain); |
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$sql = " |
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SELECT |
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t.typname AS domname, |
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pg_catalog.format_type(t.typbasetype, t.typtypmod) AS domtype, |
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t.typnotnull AS domnotnull, |
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t.typdefault AS domdef, |
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pg_catalog.pg_get_userbyid(t.typowner) AS domowner, |
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pg_catalog.obj_description(t.oid, 'pg_type') AS domcomment |
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FROM |
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pg_catalog.pg_type t |
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WHERE |
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t.typtype = 'd' |
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AND t.typname = '{$domain}' |
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AND t.typnamespace = (SELECT oid FROM pg_catalog.pg_namespace |
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WHERE nspname = '{$c_schema}')"; |
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return $this->selectSet($sql); |
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} |
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/** |
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* Return all domains in current schema. Excludes domain constraints. |
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* |
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* @return \PHPPgAdmin\ADORecordSet All tables, sorted alphabetically |
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*/ |
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public function getDomains() |
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{ |
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$c_schema = $this->_schema; |
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$this->clean($c_schema); |
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$sql = " |
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SELECT |
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t.typname AS domname, |
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pg_catalog.format_type(t.typbasetype, t.typtypmod) AS domtype, |
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t.typnotnull AS domnotnull, |
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t.typdefault AS domdef, |
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pg_catalog.pg_get_userbyid(t.typowner) AS domowner, |
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pg_catalog.obj_description(t.oid, 'pg_type') AS domcomment |
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FROM |
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pg_catalog.pg_type t |
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WHERE |
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t.typtype = 'd' |
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AND t.typnamespace = (SELECT oid FROM pg_catalog.pg_namespace |
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WHERE nspname='{$c_schema}') |
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ORDER BY t.typname"; |
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return $this->selectSet($sql); |
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} |
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/** |
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* Get domain constraints. |
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* |
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* @param string $domain The name of the domain whose constraints to fetch |
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* |
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* @return \PHPPgAdmin\ADORecordSet A recordset |
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*/ |
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public function getDomainConstraints($domain) |
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{ |
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$c_schema = $this->_schema; |
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$this->clean($c_schema); |
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$this->clean($domain); |
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$sql = " |
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SELECT |
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conname, |
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contype, |
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pg_catalog.pg_get_constraintdef(oid, true) AS consrc |
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FROM |
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pg_catalog.pg_constraint |
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WHERE |
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contypid = ( |
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SELECT oid FROM pg_catalog.pg_type |
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WHERE typname='{$domain}' |
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AND typnamespace = ( |
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SELECT oid FROM pg_catalog.pg_namespace |
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WHERE nspname = '{$c_schema}') |
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) |
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ORDER BY conname"; |
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return $this->selectSet($sql); |
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} |
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/** |
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* Creates a domain. |
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* |
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* @param string $domain The name of the domain to create |
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* @param string $type The base type for the domain |
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* @param string $length Optional type length |
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* @param bool $array True for array type, false otherwise |
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* @param bool $notnull True for NOT NULL, false otherwise |
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* @param string $default Default value for domain |
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* @param string $check A CHECK constraint if there is one |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function createDomain($domain, $type, $length, $array, $notnull, $default, $check) |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($domain); |
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$sql = "CREATE DOMAIN \"{$f_schema}\".\"{$domain}\" AS "; |
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if ($length == '') { |
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$sql .= $type; |
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} else { |
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switch ($type) { |
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// Have to account for weird placing of length for with/without |
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// time zone types |
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case 'timestamp with time zone': |
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case 'timestamp without time zone': |
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$qual = substr($type, 9); |
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$sql .= "timestamp({$length}){$qual}"; |
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break; |
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case 'time with time zone': |
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case 'time without time zone': |
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$qual = substr($type, 4); |
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$sql .= "time({$length}){$qual}"; |
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break; |
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default: |
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$sql .= "{$type}({$length})"; |
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} |
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} |
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// Add array qualifier, if requested |
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if ($array) { |
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$sql .= '[]'; |
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} |
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if ($notnull) { |
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$sql .= ' NOT NULL'; |
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} |
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if ($default != '') { |
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$sql .= " DEFAULT {$default}"; |
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} |
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if ($this->hasDomainConstraints() && $check != '') { |
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$sql .= " CHECK ({$check})"; |
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} |
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return $this->execute($sql); |
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} |
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/** |
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* Alters a domain. |
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* |
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* @param string $domain The domain to alter |
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* @param string $domdefault The domain default |
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* @param bool $domnotnull True for NOT NULL, false otherwise |
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* @param string $domowner The domain owner |
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* |
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* @return bool|int 0 success |
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*/ |
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public function alterDomain($domain, $domdefault, $domnotnull, $domowner) |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($domain); |
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$this->fieldClean($domowner); |
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$status = $this->beginTransaction(); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return -1; |
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} |
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// Default |
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if ($domdefault == '') { |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" DROP DEFAULT"; |
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} else { |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" SET DEFAULT {$domdefault}"; |
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} |
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$status = $this->execute($sql); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return -2; |
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} |
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// NOT NULL |
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if ($domnotnull) { |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" SET NOT NULL"; |
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} else { |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" DROP NOT NULL"; |
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} |
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$status = $this->execute($sql); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return -3; |
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} |
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// Owner |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" OWNER TO \"{$domowner}\""; |
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$status = $this->execute($sql); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return -4; |
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} |
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return $this->endTransaction(); |
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} |
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/** |
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* Drops a domain. |
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* |
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* @param string $domain The name of the domain to drop |
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* @param string $cascade True to cascade drop, false to restrict |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function dropDomain($domain, $cascade) |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($domain); |
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$sql = "DROP DOMAIN \"{$f_schema}\".\"{$domain}\""; |
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if ($cascade) { |
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$sql .= ' CASCADE'; |
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} |
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return $this->execute($sql); |
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} |
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/** |
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* Adds a check constraint to a domain. |
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* |
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* @param string $domain The domain to which to add the check |
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* @param string $definition The definition of the check |
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* @param string $name (optional) The name to give the check, otherwise default name is assigned |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function addDomainCheckConstraint($domain, $definition, $name = '') |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($domain); |
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$this->fieldClean($name); |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" ADD "; |
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if ($name != '') { |
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$sql .= "CONSTRAINT \"{$name}\" "; |
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} |
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$sql .= "CHECK ({$definition})"; |
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return $this->execute($sql); |
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} |
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/** |
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* Drops a domain constraint. |
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* |
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* @param string $domain The domain from which to remove the constraint |
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* @param string $constraint The constraint to remove |
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* @param bool $cascade True to cascade, false otherwise |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function dropDomainConstraint($domain, $constraint, $cascade) |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($domain); |
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$this->fieldClean($constraint); |
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$sql = "ALTER DOMAIN \"{$f_schema}\".\"{$domain}\" DROP CONSTRAINT \"{$constraint}\""; |
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if ($cascade) { |
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$sql .= ' CASCADE'; |
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} |
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return $this->execute($sql); |
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} |
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abstract public function fieldClean(&$str); |
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abstract public function beginTransaction(); |
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abstract public function rollbackTransaction(); |
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abstract public function endTransaction(); |
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abstract public function execute($sql); |
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abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null); |
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abstract public function selectSet($sql); |
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abstract public function clean(&$str); |
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abstract public function hasDomainConstraints(); |
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} |
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