vendor/adodb/adodb-php/datadict/datadict-firebird.inc.php

   1 <?php
   2
   3 /**
   4   @version   v5.20.9  21-Dec-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 }