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   1  <?php
   2  
   3  /**
   4    @version   v5.20.3  01-Jan-2016
   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  class ADODB2_firebird extends ADODB_DataDict {
  16  
  17      var $databaseType = 'firebird';
  18      var $seqField = false;
  19      var $seqPrefix = 'gen_';
  20      var $blobSize = 40000;
  21  
  22   	function ActualType($meta)
  23      {
  24          switch($meta) {
  25          case 'C': return 'VARCHAR';
  26          case 'XL': return 'VARCHAR(32000)';
  27          case 'X': return 'VARCHAR(4000)';
  28  
  29          case 'C2': return 'VARCHAR'; // up to 32K
  30          case 'X2': return 'VARCHAR(4000)';
  31  
  32          case 'B': return 'BLOB';
  33  
  34          case 'D': return 'DATE';
  35          case 'TS':
  36          case 'T': return 'TIMESTAMP';
  37  
  38          case 'L': return 'SMALLINT';
  39          case 'I': return 'INTEGER';
  40          case 'I1': return 'SMALLINT';
  41          case 'I2': return 'SMALLINT';
  42          case 'I4': return 'INTEGER';
  43          case 'I8': return 'INTEGER';
  44  
  45          case 'F': return 'DOUBLE PRECISION';
  46          case 'N': return 'DECIMAL';
  47          default:
  48              return $meta;
  49          }
  50      }
  51  
  52  	function NameQuote($name = NULL)
  53      {
  54          if (!is_string($name)) {
  55              return FALSE;
  56          }
  57  
  58          $name = trim($name);
  59  
  60          if ( !is_object($this->connection) ) {
  61              return $name;
  62          }
  63  
  64          $quote = $this->connection->nameQuote;
  65  
  66          // if name is of the form `name`, quote it
  67          if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
  68              return $quote . $matches[1] . $quote;
  69          }
  70  
  71          // if name contains special characters, quote it
  72          if ( !preg_match('/^[' . $this->nameRegex . ']+$/', $name) ) {
  73              return $quote . $name . $quote;
  74          }
  75  
  76          return $quote . $name . $quote;
  77      }
  78  
  79  	function CreateDatabase($dbname, $options=false)
  80      {
  81          $options = $this->_Options($options);
  82          $sql = array();
  83  
  84          $sql[] = "DECLARE EXTERNAL FUNCTION LOWER CSTRING(80) RETURNS CSTRING(80) FREE_IT ENTRY_POINT 'IB_UDF_lower' MODULE_NAME 'ib_udf'";
  85  
  86          return $sql;
  87      }
  88  
  89  	function _DropAutoIncrement($t)
  90      {
  91          if (strpos($t,'.') !== false) {
  92              $tarr = explode('.',$t);
  93              return 'DROP GENERATOR '.$tarr[0].'."gen_'.$tarr[1].'"';
  94          }
  95          return 'DROP GENERATOR "GEN_'.$t;
  96      }
  97  
  98  
  99  	function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
 100      {
 101          $suffix = '';
 102  
 103          if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
 104          if ($fnotnull) $suffix .= ' NOT NULL';
 105          if ($fautoinc) $this->seqField = $fname;
 106          if ($fconstraint) $suffix .= ' '.$fconstraint;
 107  
 108          return $suffix;
 109      }
 110  
 111  /*
 112  CREATE or replace TRIGGER jaddress_insert
 113  before insert on jaddress
 114  for each row
 115  begin
 116  IF ( NEW."seqField" IS NULL OR NEW."seqField" = 0 ) THEN
 117    NEW."seqField" = GEN_ID("GEN_tabname", 1);
 118  end;
 119  */
 120  	function _Triggers($tabname,$tableoptions)
 121      {
 122          if (!$this->seqField) return array();
 123  
 124          $tab1 = preg_replace( '/"/', '', $tabname );
 125          if ($this->schema) {
 126              $t = strpos($tab1,'.');
 127              if ($t !== false) $tab = substr($tab1,$t+1);
 128              else $tab = $tab1;
 129              $seqField = $this->seqField;
 130              $seqname = $this->schema.'.'.$this->seqPrefix.$tab;
 131              $trigname = $this->schema.'.trig_'.$this->seqPrefix.$tab;
 132          } else {
 133              $seqField = $this->seqField;
 134              $seqname = $this->seqPrefix.$tab1;
 135              $trigname = 'trig_'.$seqname;
 136          }
 137          if (isset($tableoptions['REPLACE']))
 138          { $sql[] = "DROP GENERATOR \"$seqname\"";
 139            $sql[] = "CREATE GENERATOR \"$seqname\"";
 140            $sql[] = "ALTER TRIGGER \"$trigname\" BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
 141          }
 142          else
 143          { $sql[] = "CREATE GENERATOR \"$seqname\"";
 144            $sql[] = "CREATE TRIGGER \"$trigname\" FOR $tabname BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
 145          }
 146  
 147          $this->seqField = false;
 148          return $sql;
 149      }
 150  
 151  }