library/adodb/datadict/datadict-sqlite.inc.php

   1 <?php
   2
   3 /**
   4   V5.14 8 Sept 2011  (c) 2000-2011 John Lim (jlim#natsoft.com). All rights reserved.
   5   Released under both BSD license and Lesser GPL library license.
   6   Whenever there is any discrepancy between the two licenses,
   7   the BSD license will take precedence.
   8
   9   Set tabs to 4 for best viewing.
  10
  11         SQLite datadict Andrei Besleaga
  12
  13 */
  14
  15 // security - hide paths
  16 if (!defined('ADODB_DIR')) die();
  17
  18 class ADODB2_sqlite extends ADODB_DataDict {
  19         var $databaseType = 'sqlite';
  20         var $seqField = false;
  21         var $addCol=' ADD COLUMN';
  22         var $dropTable = 'DROP TABLE IF EXISTS %s';
  23         var $dropIndex = 'DROP INDEX IF EXISTS %s';
  24         var $renameTable = 'ALTER TABLE %s RENAME TO %s';
  25
  26
  27
  28         function ActualType($meta)
  29         {
  30                 switch(strtoupper($meta)) {
  31                 case 'C': return 'VARCHAR'; //  TEXT , TEXT affinity
  32                 case 'XL':return 'LONGTEXT'; //  TEXT , TEXT affinity
  33                 case 'X': return 'TEXT'; //  TEXT , TEXT affinity
  34
  35                 case 'C2': return 'VARCHAR'; //  TEXT , TEXT affinity
  36                 case 'X2': return 'LONGTEXT'; //  TEXT , TEXT affinity
  37
  38                 case 'B': return 'LONGBLOB'; //  TEXT , NONE affinity , BLOB
  39
  40                 case 'D': return 'DATE'; // NUMERIC , NUMERIC affinity
  41                 case 'T': return 'DATETIME'; // NUMERIC , NUMERIC affinity
  42                 case 'L': return 'TINYINT'; // NUMERIC , INTEGER affinity
  43
  44                 case 'R':
  45                 case 'I4':
  46                 case 'I': return 'INTEGER'; // NUMERIC , INTEGER affinity
  47                 case 'I1': return 'TINYINT'; // NUMERIC , INTEGER affinity
  48                 case 'I2': return 'SMALLINT'; // NUMERIC , INTEGER affinity
  49                 case 'I8': return 'BIGINT'; // NUMERIC , INTEGER affinity
  50
  51                 case 'F': return 'DOUBLE'; // NUMERIC , REAL affinity
  52                 case 'N': return 'NUMERIC'; // NUMERIC , NUMERIC affinity
  53                 default:
  54                         return $meta;
  55                 }
  56         }
  57
  58         // return string must begin with space
  59         function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
  60         {
  61                 $suffix = '';
  62                 if ($funsigned) $suffix .= ' UNSIGNED';
  63                 if ($fnotnull) $suffix .= ' NOT NULL';
  64                 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
  65                 if ($fautoinc) $suffix .= ' AUTOINCREMENT';
  66                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  67                 return $suffix;
  68         }
  69
  70         function AlterColumnSQL($tabname, $flds)
  71         {
  72                 if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
  73                 return array();
  74         }
  75
  76         function DropColumnSQL($tabname, $flds)
  77         {
  78                 if ($this->debug) ADOConnection::outp("DropColumnSQL not supported natively by SQLite");
  79                 return array();
  80         }
  81
  82         function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
  83         {
  84                 if ($this->debug) ADOConnection::outp("RenameColumnSQL not supported natively by SQLite");
  85                 return array();
  86         }
  87
  88 }
  89 ?>