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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_mysql extends ADODB_DataDict {
  19  	 var $databaseType = 'mysql';
  20  	 var $alterCol = ' MODIFY COLUMN';
  21  	 var $alterTableAddIndex = true;
  22  	 var $dropTable = 'DROP TABLE IF EXISTS %s'; // requires mysql 3.22 or later
  23  
  24  	 var $dropIndex = 'DROP INDEX %s ON %s';
  25  	 var $renameColumn = 'ALTER TABLE %s CHANGE COLUMN %s %s %s';	 // needs column-definition!
  26  
  27  	function MetaType($t,$len=-1,$fieldobj=false)
  28  	 {
  29  	 	 if (is_object($t)) {
  30  	 	 	 $fieldobj = $t;
  31  	 	 	 $t = $fieldobj->type;
  32  	 	 	 $len = $fieldobj->max_length;
  33  	 	 }
  34  	 	 $is_serial = is_object($fieldobj) && $fieldobj->primary_key && $fieldobj->auto_increment;
  35  
  36  	 	 $len = -1; // mysql max_length is not accurate
  37  	 	 switch (strtoupper($t)) {
  38  	 	 case 'STRING':
  39  	 	 case 'CHAR':
  40  	 	 case 'VARCHAR':
  41  	 	 case 'TINYBLOB':
  42  	 	 case 'TINYTEXT':
  43  	 	 case 'ENUM':
  44  	 	 case 'SET':
  45  	 	 	 if ($len <= $this->blobSize) return 'C';
  46  
  47  	 	 case 'TEXT':
  48  	 	 case 'LONGTEXT':
  49  	 	 case 'MEDIUMTEXT':
  50  	 	 	 return 'X';
  51  
  52  	 	 // php_mysql extension always returns 'blob' even if 'text'
  53  	 	 // so we have to check whether binary...
  54  	 	 case 'IMAGE':
  55  	 	 case 'LONGBLOB':
  56  	 	 case 'BLOB':
  57  	 	 case 'MEDIUMBLOB':
  58  	 	 	 return !empty($fieldobj->binary) ? 'B' : 'X';
  59  
  60  	 	 case 'YEAR':
  61  	 	 case 'DATE': return 'D';
  62  
  63  	 	 case 'TIME':
  64  	 	 case 'DATETIME':
  65  	 	 case 'TIMESTAMP': return 'T';
  66  
  67  	 	 case 'FLOAT':
  68  	 	 case 'DOUBLE':
  69  	 	 	 return 'F';
  70  
  71  	 	 case 'INT':
  72  	 	 case 'INTEGER': return $is_serial ? 'R' : 'I';
  73  	 	 case 'TINYINT': return $is_serial ? 'R' : 'I1';
  74  	 	 case 'SMALLINT': return $is_serial ? 'R' : 'I2';
  75  	 	 case 'MEDIUMINT': return $is_serial ? 'R' : 'I4';
  76  	 	 case 'BIGINT':  return $is_serial ? 'R' : 'I8';
  77  	 	 default: return 'N';
  78  	 	 }
  79  	 }
  80  
  81  	function ActualType($meta)
  82  	 {
  83  	 	 switch(strtoupper($meta)) {
  84  	 	 case 'C': return 'VARCHAR';
  85  	 	 case 'XL':return 'LONGTEXT';
  86  	 	 case 'X': return 'TEXT';
  87  
  88  	 	 case 'C2': return 'VARCHAR';
  89  	 	 case 'X2': return 'LONGTEXT';
  90  
  91  	 	 case 'B': return 'LONGBLOB';
  92  
  93  	 	 case 'D': return 'DATE';
  94  	 	 case 'TS':
  95  	 	 case 'T': return 'DATETIME';
  96  	 	 case 'L': return 'TINYINT';
  97  
  98  	 	 case 'R':
  99  	 	 case 'I4':
 100  	 	 case 'I': return 'INTEGER';
 101  	 	 case 'I1': return 'TINYINT';
 102  	 	 case 'I2': return 'SMALLINT';
 103  	 	 case 'I8': return 'BIGINT';
 104  
 105  	 	 case 'F': return 'DOUBLE';
 106  	 	 case 'N': return 'NUMERIC';
 107  	 	 default:
 108  	 	 	 return $meta;
 109  	 	 }
 110  	 }
 111  
 112  	 // return string must begin with space
 113  	function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
 114  	 {
 115  	 	 $suffix = '';
 116  	 	 if ($funsigned) $suffix .= ' UNSIGNED';
 117  	 	 if ($fnotnull) $suffix .= ' NOT NULL';
 118  	 	 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
 119  	 	 if ($fautoinc) $suffix .= ' AUTO_INCREMENT';
 120  	 	 if ($fconstraint) $suffix .= ' '.$fconstraint;
 121  	 	 return $suffix;
 122  	 }
 123  
 124  	 /*
 125  	 CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
 126  	 	 [table_options] [select_statement]
 127  	 	 create_definition:
 128  	 	 col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
 129  	 	 [PRIMARY KEY] [reference_definition]
 130  	 	 or PRIMARY KEY (index_col_name,...)
 131  	 	 or KEY [index_name] (index_col_name,...)
 132  	 	 or INDEX [index_name] (index_col_name,...)
 133  	 	 or UNIQUE [INDEX] [index_name] (index_col_name,...)
 134  	 	 or FULLTEXT [INDEX] [index_name] (index_col_name,...)
 135  	 	 or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
 136  	 	 [reference_definition]
 137  	 	 or CHECK (expr)
 138  	 */
 139  
 140  	 /*
 141  	 CREATE [UNIQUE|FULLTEXT] INDEX index_name
 142  	 	 ON tbl_name (col_name[(length)],... )
 143  	 */
 144  
 145  	function _IndexSQL($idxname, $tabname, $flds, $idxoptions)
 146  	 {
 147  	 	 $sql = array();
 148  
 149  	 	 if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
 150  	 	 	 if ($this->alterTableAddIndex) $sql[] = "ALTER TABLE $tabname DROP INDEX $idxname";
 151  	 	 	 else $sql[] = sprintf($this->dropIndex, $idxname, $tabname);
 152  
 153  	 	 	 if ( isset($idxoptions['DROP']) )
 154  	 	 	 	 return $sql;
 155  	 	 }
 156  
 157  	 	 if ( empty ($flds) ) {
 158  	 	 	 return $sql;
 159  	 	 }
 160  
 161  	 	 if (isset($idxoptions['FULLTEXT'])) {
 162  	 	 	 $unique = ' FULLTEXT';
 163  	 	 } elseif (isset($idxoptions['UNIQUE'])) {
 164  	 	 	 $unique = ' UNIQUE';
 165  	 	 } else {
 166  	 	 	 $unique = '';
 167  	 	 }
 168  
 169  	 	 if ( is_array($flds) ) $flds = implode(', ',$flds);
 170  
 171  	 	 if ($this->alterTableAddIndex) $s = "ALTER TABLE $tabname ADD $unique INDEX $idxname ";
 172  	 	 else $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname;
 173  
 174  	 	 $s .= ' (' . $flds . ')';
 175  
 176  	 	 if ( isset($idxoptions[$this->upperName]) )
 177  	 	 	 $s .= $idxoptions[$this->upperName];
 178  
 179  	 	 $sql[] = $s;
 180  
 181  	 	 return $sql;
 182  	 }
 183  }