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See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
<?php
<
/**
< @version v5.21.0 2021-02-27 < @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved. < @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community < Released under both BSD license and Lesser GPL library license. < Whenever there is any discrepancy between the two licenses, < the BSD license will take precedence. < < Set tabs to 4 for best viewing. <
> * Data Dictionary for Oracle (oci8) > * > * This file is part of ADOdb, a Database Abstraction Layer library for PHP. > * > * @package ADOdb > * @link https://adodb.org Project's web site and documentation > * @link https://github.com/ADOdb/ADOdb Source code and issue tracker > * > * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause > * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option, > * any later version. This means you can use it in proprietary products. > * See the LICENSE.md file distributed with this source code for details. > * @license BSD-3-Clause > * @license LGPL-2.1-or-later > * > * @copyright 2000-2013 John Lim > * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
*/ // security - hide paths if (!defined('ADODB_DIR')) die(); class ADODB2_oci8 extends ADODB_DataDict { var $databaseType = 'oci8'; var $seqField = false; var $seqPrefix = 'SEQ_'; var $dropTable = "DROP TABLE %s CASCADE CONSTRAINTS"; var $trigPrefix = 'TRIG_'; var $alterCol = ' MODIFY '; var $typeX = 'VARCHAR(4000)'; var $typeXL = 'CLOB'; /** * Legacy compatibility for sequence names for emulated auto-increments. * * If set to true, creates sequences and triggers as TRIG_394545594 * instead of TRIG_possibly_too_long_tablename * * @var bool $useCompactAutoIncrements */ public $useCompactAutoIncrements = false; function metaType($t, $len=-1, $fieldobj=false) { if (is_object($t)) { $fieldobj = $t; $t = $fieldobj->type; $len = $fieldobj->max_length; }
< switch (strtoupper($t)) {
> > $t = strtoupper($t); > > if (array_key_exists($t,$this->connection->customActualTypes)) > return $this->connection->customActualTypes[$t]; > > switch ($t) {
case 'VARCHAR': case 'VARCHAR2': case 'CHAR': case 'VARBINARY': case 'BINARY': if (isset($this) && $len <= $this->blobSize) return 'C'; return 'X'; case 'NCHAR': case 'NVARCHAR2': case 'NVARCHAR': if (isset($this) && $len <= $this->blobSize) return 'C2'; return 'X2'; case 'NCLOB': case 'CLOB': return 'XL'; case 'LONG RAW': case 'LONG VARBINARY': case 'BLOB': return 'B'; case 'TIMESTAMP': return 'TS'; case 'DATE': return 'T'; case 'INT': case 'SMALLINT': case 'INTEGER': return 'I'; default: return ADODB_DEFAULT_METATYPE; } } function ActualType($meta) {
> $meta = strtoupper($meta); switch($meta) { > case 'C': return 'VARCHAR'; > /* case 'X': return $this->typeX; > * Add support for custom meta types. We do this case 'XL': return $this->typeXL; > * first, that allows us to override existing types > */ case 'C2': return 'NVARCHAR2'; > if (isset($this->connection->customMetaTypes[$meta])) case 'X2': return 'NVARCHAR2(4000)'; > return $this->connection->customMetaTypes[$meta]['actual']; >
case 'B': return 'BLOB'; case 'TS': return 'TIMESTAMP'; case 'D': case 'T': return 'DATE'; case 'L': return 'NUMBER(1)'; case 'I1': return 'NUMBER(3)'; case 'I2': return 'NUMBER(5)'; case 'I': case 'I4': return 'NUMBER(10)'; case 'I8': return 'NUMBER(20)'; case 'F': return 'NUMBER'; case 'N': return 'NUMBER'; case 'R': return 'NUMBER(20)'; default: return $meta; } } function CreateDatabase($dbname, $options=false) { $options = $this->_Options($options); $password = isset($options['PASSWORD']) ? $options['PASSWORD'] : 'tiger'; $tablespace = isset($options["TABLESPACE"]) ? " DEFAULT TABLESPACE ".$options["TABLESPACE"] : ''; $sql[] = "CREATE USER ".$dbname." IDENTIFIED BY ".$password.$tablespace; $sql[] = "GRANT CREATE SESSION, CREATE TABLE,UNLIMITED TABLESPACE,CREATE SEQUENCE TO $dbname"; return $sql; } function AddColumnSQL($tabname, $flds) { $tabname = $this->TableName($tabname); $f = array(); list($lines,$pkey) = $this->_GenFields($flds); $s = "ALTER TABLE $tabname ADD ("; foreach($lines as $v) { $f[] = "\n $v"; } $s .= implode(', ',$f).')'; $sql[] = $s; return $sql; } function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='') { $tabname = $this->TableName($tabname); $f = array(); list($lines,$pkey) = $this->_GenFields($flds); $s = "ALTER TABLE $tabname MODIFY("; foreach($lines as $v) { $f[] = "\n $v"; } $s .= implode(', ',$f).')'; $sql[] = $s; return $sql; } function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='') { if (!is_array($flds)) $flds = explode(',',$flds); foreach ($flds as $k => $v) $flds[$k] = $this->NameQuote($v); $sql = array(); $s = "ALTER TABLE $tabname DROP("; $s .= implode(', ',$flds).') CASCADE CONSTRAINTS'; $sql[] = $s; return $sql; } function _DropAutoIncrement($t) { if (strpos($t,'.') !== false) { $tarr = explode('.',$t); return "drop sequence ".$tarr[0].".seq_".$tarr[1]; } return "drop sequence seq_".$t; } // return string must begin with space function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned) { $suffix = ''; if ($fdefault == "''" && $fnotnull) {// this is null in oracle $fnotnull = false; if ($this->debug) ADOConnection::outp("NOT NULL and DEFAULT='' illegal in Oracle"); } if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; if ($fnotnull) $suffix .= ' NOT NULL'; if ($fautoinc) $this->seqField = $fname; if ($fconstraint) $suffix .= ' '.$fconstraint; return $suffix; } /** * Creates an insert trigger to emulate an auto-increment column * in a table * * @param string $tabname The name of the table * @param string[] $tableoptions Optional configuration items * * @return string[] The SQL statements to create the trigger */ function _Triggers($tabname,$tableoptions) { if (!$this->seqField) return array(); if ($this->schema) { $t = strpos($tabname,'.'); if ($t !== false) $tab = substr($tabname,$t+1); else $tab = $tabname; if ($this->connection->useCompactAutoIncrements) $id = sprintf('%u',crc32(strtolower($tab))); else $id = $tab; $seqname = $this->schema.'.'.$this->seqPrefix.$tab; $trigname = $this->schema.'.'.$this->trigPrefix.$this->seqPrefix.$tab; } else { if ($this->connection->useCompactAutoIncrements) $id = sprintf('%u',crc32(strtolower($tabname))); else $id = $tabname; $seqname = $this->seqPrefix.$id; $trigname = $this->trigPrefix.$id; } if (strlen($seqname) > 30) { $seqname = $this->seqPrefix.uniqid(''); } // end if if (strlen($trigname) > 30) { $trigname = $this->trigPrefix.uniqid(''); } // end if if (isset($tableoptions['REPLACE'])) $sql[] = "DROP SEQUENCE $seqname"; $seqCache = ''; if (isset($tableoptions['SEQUENCE_CACHE'])){$seqCache = $tableoptions['SEQUENCE_CACHE'];} $seqIncr = ''; if (isset($tableoptions['SEQUENCE_INCREMENT'])){$seqIncr = ' INCREMENT BY '.$tableoptions['SEQUENCE_INCREMENT'];} $seqStart = ''; if (isset($tableoptions['SEQUENCE_START'])){$seqStart = ' START WITH '.$tableoptions['SEQUENCE_START'];} $sql[] = "CREATE SEQUENCE $seqname MINVALUE 1 $seqStart $seqIncr $seqCache"; $sql[] = "CREATE OR REPLACE TRIGGER $trigname BEFORE insert ON $tabname FOR EACH ROW WHEN (NEW.$this->seqField IS NULL OR NEW.$this->seqField = 0) BEGIN select $seqname.nextval into :new.$this->seqField from dual; END;"; $this->seqField = false; return $sql; } /* CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [select_statement] create_definition: col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] [PRIMARY KEY] [reference_definition] or PRIMARY KEY (index_col_name,...) or KEY [index_name] (index_col_name,...) or INDEX [index_name] (index_col_name,...) or UNIQUE [INDEX] [index_name] (index_col_name,...) or FULLTEXT [INDEX] [index_name] (index_col_name,...) or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) [reference_definition] or CHECK (expr) */ function _IndexSQL($idxname, $tabname, $flds,$idxoptions) { $sql = array(); if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) { $sql[] = sprintf ($this->dropIndex, $idxname, $tabname); if ( isset($idxoptions['DROP']) ) return $sql; } if ( empty ($flds) ) { return $sql; } if (isset($idxoptions['BITMAP'])) { $unique = ' BITMAP'; } elseif (isset($idxoptions['UNIQUE'])) { $unique = ' UNIQUE'; } else { $unique = ''; } if ( is_array($flds) ) $flds = implode(', ',$flds); $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' (' . $flds . ')'; if ( isset($idxoptions[$this->upperName]) ) $s .= $idxoptions[$this->upperName]; if (isset($idxoptions['oci8'])) $s .= $idxoptions['oci8']; $sql[] = $s; return $sql; } function GetCommentSQL($table,$col) { $table = $this->connection->qstr($table); $col = $this->connection->qstr($col); return "select comments from USER_COL_COMMENTS where TABLE_NAME=$table and COLUMN_NAME=$col"; } function SetCommentSQL($table,$col,$cmt) { $cmt = $this->connection->qstr($cmt); return "COMMENT ON COLUMN $table.$col IS $cmt"; } }