00001 <?php
00002 
00013 class ADODB2_firebird extends ADODB_DataDict {
00014         
00015         var $databaseType = 'firebird';
00016         var $seqField = false;
00017         var $seqPrefix = 'gen_';
00018         var $blobSize = 40000;  
00019         
00020         function ActualType($meta)
00021         {
00022                 switch($meta) {
00023                 case 'C': return 'VARCHAR';
00024                 case 'XL': return 'VARCHAR(32000)'; 
00025                 case 'X': return 'VARCHAR(4000)'; 
00026                 
00027                 case 'C2': return 'VARCHAR'; // up to 32K
00028                 case 'X2': return 'VARCHAR(4000)';
00029                 
00030                 case 'B': return 'BLOB';
00031                         
00032                 case 'D': return 'DATE';
00033                 case 'T': return 'TIMESTAMP';
00034                 
00035                 case 'L': return 'SMALLINT';
00036                 case 'I': return 'INTEGER';
00037                 case 'I1': return 'SMALLINT';
00038                 case 'I2': return 'SMALLINT';
00039                 case 'I4': return 'INTEGER';
00040                 case 'I8': return 'INTEGER';
00041                 
00042                 case 'F': return 'DOUBLE PRECISION';
00043                 case 'N': return 'DECIMAL';
00044                 default:
00045                         return $meta;
00046                 }
00047         }
00048         
00049         function NameQuote($name = NULL)
00050         {
00051                 if (!is_string($name)) {
00052                         return FALSE;
00053                 }
00054                 
00055                 $name = trim($name);
00056                 
00057                 if ( !is_object($this->connection) ) {
00058                         return $name;
00059                 }
00060                 
00061                 $quote = $this->connection->nameQuote;
00062                 
00063                 // if name is of the form `name`, quote it
00064                 if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
00065                         return $quote . $matches[1] . $quote;
00066                 }
00067                 
00068                 // if name contains special characters, quote it
00069                 if ( !preg_match('/^[' . $this->nameRegex . ']+$/', $name) ) {
00070                         return $quote . $name . $quote;
00071                 }
00072                 
00073                 return $quote . $name . $quote;
00074         }
00075 
00076         function CreateDatabase($dbname, $options=false)
00077         {
00078                 $options = $this->_Options($options);
00079                 $sql = array();
00080                 
00081                 $sql[] = "DECLARE EXTERNAL FUNCTION LOWER CSTRING(80) RETURNS CSTRING(80) FREE_IT ENTRY_POINT 'IB_UDF_lower' MODULE_NAME 'ib_udf'";
00082                 
00083                 return $sql;
00084         }
00085         
00086         function _DropAutoIncrement($t)
00087         {
00088                 if (strpos($t,'.') !== false) {
00089                         $tarr = explode('.',$t);
00090                         return 'DROP GENERATOR '.$tarr[0].'."gen_'.$tarr[1].'"';
00091                 }
00092                 return 'DROP GENERATOR "GEN_'.$t;
00093         }
00094         
00095 
00096         function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
00097         {
00098                 $suffix = '';
00099                 
00100                 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
00101                 if ($fnotnull) $suffix .= ' NOT NULL';
00102                 if ($fautoinc) $this->seqField = $fname;
00103                 if ($fconstraint) $suffix .= ' '.$fconstraint;
00104                 
00105                 return $suffix;
00106         }
00107         
00108 /*
00109 CREATE or replace TRIGGER jaddress_insert
00110 before insert on jaddress
00111 for each row
00112 begin
00113 IF ( NEW."seqField" IS NULL OR NEW."seqField" = 0 ) THEN
00114   NEW."seqField" = GEN_ID("GEN_tabname", 1);
00115 end;
00116 */
00117         function _Triggers($tabname,$tableoptions)
00118         {       
00119                 if (!$this->seqField) return array();
00120                 
00121                 $tab1 = preg_replace( '/"/', '', $tabname );
00122                 if ($this->schema) {
00123                         $t = strpos($tab1,'.');
00124                         if ($t !== false) $tab = substr($tab1,$t+1);
00125                         else $tab = $tab1;
00126                         $seqField = $this->seqField;
00127                         $seqname = $this->schema.'.'.$this->seqPrefix.$tab;
00128                         $trigname = $this->schema.'.trig_'.$this->seqPrefix.$tab;
00129                 } else {
00130                         $seqField = $this->seqField;
00131                         $seqname = $this->seqPrefix.$tab1;
00132                         $trigname = 'trig_'.$seqname;
00133                 }
00134                 if (isset($tableoptions['REPLACE']))
00135                 { $sql[] = "DROP GENERATOR \"$seqname\"";
00136                   $sql[] = "CREATE GENERATOR \"$seqname\"";
00137                   $sql[] = "ALTER TRIGGER \"$trigname\" BEFORE INSERT OR UPDATE AS BEGIN IF ( NEW.$seqField IS NULL OR NEW.$seqField = 0 ) THEN NEW.$seqField = GEN_ID(\"$seqname\", 1); END";
00138                 }
00139                 else
00140                 { $sql[] = "CREATE GENERATOR \"$seqname\"";
00141                   $sql[] = "CREATE TRIGGER \"$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";
00142                 }
00143                 
00144                 $this->seqField = false;
00145                 return $sql;
00146         }
00147 
00148 }
00149 
00150 
00151 ?>
datadict-firebird.inc.php
