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Differences Between: [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   1  <?php
   2  
   3  /**
   4    @version   v5.20.16  12-Jan-2020
   5    @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
   6    @copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
   7    Released under both BSD license and Lesser GPL library license.
   8    Whenever there is any discrepancy between the two licenses,
   9    the BSD license will take precedence.
  10  
  11    Set tabs to 4 for best viewing.
  12  
  13  */
  14  
  15  // security - hide paths
  16  if (!defined('ADODB_DIR')) die();
  17  
  18  class ADODB2_oci8 extends ADODB_DataDict {
  19  
  20  	 var $databaseType = 'oci8';
  21  	 var $seqField = false;
  22  	 var $seqPrefix = 'SEQ_';
  23  	 var $dropTable = "DROP TABLE %s CASCADE CONSTRAINTS";
  24  	 var $trigPrefix = 'TRIG_';
  25  	 var $alterCol = ' MODIFY ';
  26  	 var $typeX = 'VARCHAR(4000)';
  27  	 var $typeXL = 'CLOB';
  28  
  29  	function MetaType($t, $len=-1, $fieldobj=false)
  30  	 {
  31  	 	 if (is_object($t)) {
  32  	 	 	 $fieldobj = $t;
  33  	 	 	 $t = $fieldobj->type;
  34  	 	 	 $len = $fieldobj->max_length;
  35  	 	 }
  36  	 	 switch (strtoupper($t)) {
  37  	  	 case 'VARCHAR':
  38  	  	 case 'VARCHAR2':
  39  	 	 case 'CHAR':
  40  	 	 case 'VARBINARY':
  41  	 	 case 'BINARY':
  42  	 	 	 if (isset($this) && $len <= $this->blobSize) return 'C';
  43  	 	 	 return 'X';
  44  
  45  	 	 case 'NCHAR':
  46  	 	 case 'NVARCHAR2':
  47  	 	 case 'NVARCHAR':
  48  	 	 	 if (isset($this) && $len <= $this->blobSize) return 'C2';
  49  	 	 	 return 'X2';
  50  
  51  	 	 case 'NCLOB':
  52  	 	 case 'CLOB':
  53  	 	 	 return 'XL';
  54  
  55  	 	 case 'LONG RAW':
  56  	 	 case 'LONG VARBINARY':
  57  	 	 case 'BLOB':
  58  	 	 	 return 'B';
  59  
  60  	 	 case 'TIMESTAMP':
  61  	 	 	 return 'TS';
  62  
  63  	 	 case 'DATE':
  64  	 	 	 return 'T';
  65  
  66  	 	 case 'INT':
  67  	 	 case 'SMALLINT':
  68  	 	 case 'INTEGER':
  69  	 	 	 return 'I';
  70  
  71  	 	 default:
  72  	 	 	 return 'N';
  73  	 	 }
  74  	 }
  75  
  76   	function ActualType($meta)
  77  	 {
  78  	 	 switch($meta) {
  79  	 	 case 'C': return 'VARCHAR';
  80  	 	 case 'X': return $this->typeX;
  81  	 	 case 'XL': return $this->typeXL;
  82  
  83  	 	 case 'C2': return 'NVARCHAR2';
  84  	 	 case 'X2': return 'NVARCHAR2(4000)';
  85  
  86  	 	 case 'B': return 'BLOB';
  87  
  88  	 	 case 'TS':
  89  	 	 	 	 return 'TIMESTAMP';
  90  
  91  	 	 case 'D':
  92  	 	 case 'T': return 'DATE';
  93  	 	 case 'L': return 'NUMBER(1)';
  94  	 	 case 'I1': return 'NUMBER(3)';
  95  	 	 case 'I2': return 'NUMBER(5)';
  96  	 	 case 'I':
  97  	 	 case 'I4': return 'NUMBER(10)';
  98  
  99  	 	 case 'I8': return 'NUMBER(20)';
 100  	 	 case 'F': return 'NUMBER';
 101  	 	 case 'N': return 'NUMBER';
 102  	 	 case 'R': return 'NUMBER(20)';
 103  	 	 default:
 104  	 	 	 return $meta;
 105  	 	 }
 106  	 }
 107  
 108  	function CreateDatabase($dbname, $options=false)
 109  	 {
 110  	 	 $options = $this->_Options($options);
 111  	 	 $password = isset($options['PASSWORD']) ? $options['PASSWORD'] : 'tiger';
 112  	 	 $tablespace = isset($options["TABLESPACE"]) ? " DEFAULT TABLESPACE ".$options["TABLESPACE"] : '';
 113  	 	 $sql[] = "CREATE USER ".$dbname." IDENTIFIED BY ".$password.$tablespace;
 114  	 	 $sql[] = "GRANT CREATE SESSION, CREATE TABLE,UNLIMITED TABLESPACE,CREATE SEQUENCE TO $dbname";
 115  
 116  	 	 return $sql;
 117  	 }
 118  
 119  	function AddColumnSQL($tabname, $flds)
 120  	 {
 121  	 	 $tabname = $this->TableName($tabname);
 122  	 	 $f = array();
 123  	 	 list($lines,$pkey) = $this->_GenFields($flds);
 124  	 	 $s = "ALTER TABLE $tabname ADD (";
 125  	 	 foreach($lines as $v) {
 126  	 	 	 $f[] = "\n $v";
 127  	 	 }
 128  
 129  	 	 $s .= implode(', ',$f).')';
 130  	 	 $sql[] = $s;
 131  	 	 return $sql;
 132  	 }
 133  
 134  	function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
 135  	 {
 136  	 	 $tabname = $this->TableName($tabname);
 137  	 	 $f = array();
 138  	 	 list($lines,$pkey) = $this->_GenFields($flds);
 139  	 	 $s = "ALTER TABLE $tabname MODIFY(";
 140  	 	 foreach($lines as $v) {
 141  	 	 	 $f[] = "\n $v";
 142  	 	 }
 143  	 	 $s .= implode(', ',$f).')';
 144  	 	 $sql[] = $s;
 145  	 	 return $sql;
 146  	 }
 147  
 148  	function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
 149  	 {
 150  	 	 if (!is_array($flds)) $flds = explode(',',$flds);
 151  	 	 foreach ($flds as $k => $v) $flds[$k] = $this->NameQuote($v);
 152  
 153  	 	 $sql = array();
 154  	 	 $s = "ALTER TABLE $tabname DROP(";
 155  	 	 $s .= implode(', ',$flds).') CASCADE CONSTRAINTS';
 156  	 	 $sql[] = $s;
 157  	 	 return $sql;
 158  	 }
 159  
 160  	function _DropAutoIncrement($t)
 161  	 {
 162  	 	 if (strpos($t,'.') !== false) {
 163  	 	 	 $tarr = explode('.',$t);
 164  	 	 	 return "drop sequence ".$tarr[0].".seq_".$tarr[1];
 165  	 	 }
 166  	 	 return "drop sequence seq_".$t;
 167  	 }
 168  
 169  	 // return string must begin with space
 170  	function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
 171  	 {
 172  	 	 $suffix = '';
 173  
 174  	 	 if ($fdefault == "''" && $fnotnull) {// this is null in oracle
 175  	 	 	 $fnotnull = false;
 176  	 	 	 if ($this->debug) ADOConnection::outp("NOT NULL and DEFAULT='' illegal in Oracle");
 177  	 	 }
 178  
 179  	 	 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
 180  	 	 if ($fnotnull) $suffix .= ' NOT NULL';
 181  
 182  	 	 if ($fautoinc) $this->seqField = $fname;
 183  	 	 if ($fconstraint) $suffix .= ' '.$fconstraint;
 184  
 185  	 	 return $suffix;
 186  	 }
 187  
 188  /*
 189  CREATE or replace TRIGGER jaddress_insert
 190  before insert on jaddress
 191  for each row
 192  begin
 193  select seqaddress.nextval into :new.A_ID from dual;
 194  end;
 195  */
 196  	function _Triggers($tabname,$tableoptions)
 197  	 {
 198  	 	 if (!$this->seqField) return array();
 199  
 200  	 	 if ($this->schema) {
 201  	 	 	 $t = strpos($tabname,'.');
 202  	 	 	 if ($t !== false) $tab = substr($tabname,$t+1);
 203  	 	 	 else $tab = $tabname;
 204  	 	 	 $seqname = $this->schema.'.'.$this->seqPrefix.$tab;
 205  	 	 	 $trigname = $this->schema.'.'.$this->trigPrefix.$this->seqPrefix.$tab;
 206  	 	 } else {
 207  	 	 	 $seqname = $this->seqPrefix.$tabname;
 208  	 	 	 $trigname = $this->trigPrefix.$seqname;
 209  	 	 }
 210  
 211  	 	 if (strlen($seqname) > 30) {
 212  	 	 	 $seqname = $this->seqPrefix.uniqid('');
 213  	 	 } // end if
 214  	 	 if (strlen($trigname) > 30) {
 215  	 	 	 $trigname = $this->trigPrefix.uniqid('');
 216  	 	 } // end if
 217  
 218  	 	 if (isset($tableoptions['REPLACE'])) $sql[] = "DROP SEQUENCE $seqname";
 219  	 	 $seqCache = '';
 220  	 	 if (isset($tableoptions['SEQUENCE_CACHE'])){$seqCache = $tableoptions['SEQUENCE_CACHE'];}
 221  	 	 $seqIncr = '';
 222  	 	 if (isset($tableoptions['SEQUENCE_INCREMENT'])){$seqIncr = ' INCREMENT BY '.$tableoptions['SEQUENCE_INCREMENT'];}
 223  	 	 $seqStart = '';
 224  	 	 if (isset($tableoptions['SEQUENCE_START'])){$seqIncr = ' START WITH '.$tableoptions['SEQUENCE_START'];}
 225  	 	 $sql[] = "CREATE SEQUENCE $seqname $seqStart $seqIncr $seqCache";
 226  	 	 $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;";
 227  
 228  	 	 $this->seqField = false;
 229  	 	 return $sql;
 230  	 }
 231  
 232  	 /*
 233  	 CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
 234  	 	 [table_options] [select_statement]
 235  	 	 create_definition:
 236  	 	 col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
 237  	 	 [PRIMARY KEY] [reference_definition]
 238  	 	 or PRIMARY KEY (index_col_name,...)
 239  	 	 or KEY [index_name] (index_col_name,...)
 240  	 	 or INDEX [index_name] (index_col_name,...)
 241  	 	 or UNIQUE [INDEX] [index_name] (index_col_name,...)
 242  	 	 or FULLTEXT [INDEX] [index_name] (index_col_name,...)
 243  	 	 or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
 244  	 	 [reference_definition]
 245  	 	 or CHECK (expr)
 246  	 */
 247  
 248  
 249  
 250  	function _IndexSQL($idxname, $tabname, $flds,$idxoptions)
 251  	 {
 252  	 	 $sql = array();
 253  
 254  	 	 if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
 255  	 	 	 $sql[] = sprintf ($this->dropIndex, $idxname, $tabname);
 256  	 	 	 if ( isset($idxoptions['DROP']) )
 257  	 	 	 	 return $sql;
 258  	 	 }
 259  
 260  	 	 if ( empty ($flds) ) {
 261  	 	 	 return $sql;
 262  	 	 }
 263  
 264  	 	 if (isset($idxoptions['BITMAP'])) {
 265  	 	 	 $unique = ' BITMAP';
 266  	 	 } elseif (isset($idxoptions['UNIQUE'])) {
 267  	 	 	 $unique = ' UNIQUE';
 268  	 	 } else {
 269  	 	 	 $unique = '';
 270  	 	 }
 271  
 272  	 	 if ( is_array($flds) )
 273  	 	 	 $flds = implode(', ',$flds);
 274  	 	 $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' (' . $flds . ')';
 275  
 276  	 	 if ( isset($idxoptions[$this->upperName]) )
 277  	 	 	 $s .= $idxoptions[$this->upperName];
 278  
 279  	 	 if (isset($idxoptions['oci8']))
 280  	 	 	 $s .= $idxoptions['oci8'];
 281  
 282  
 283  	 	 $sql[] = $s;
 284  
 285  	 	 return $sql;
 286  	 }
 287  
 288  	function GetCommentSQL($table,$col)
 289  	 {
 290  	 	 $table = $this->connection->qstr($table);
 291  	 	 $col = $this->connection->qstr($col);
 292  	 	 return "select comments from USER_COL_COMMENTS where TABLE_NAME=$table and COLUMN_NAME=$col";
 293  	 }
 294  
 295  	function SetCommentSQL($table,$col,$cmt)
 296  	 {
 297  	 	 $cmt = $this->connection->qstr($cmt);
 298  	 	 return  "COMMENT ON COLUMN $table.$col IS $cmt";
 299  	 }
 300  }