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

   1 <?php
   2
   3 /**
   4   @version   v5.21.0  2021-02-27
   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         SQLite datadict Andrei Besleaga
  14
  15 */
  16
  17 // security - hide paths
  18 if (!defined('ADODB_DIR')) die();
  19
  20 class ADODB2_sqlite extends ADODB_DataDict {
  21         var $databaseType = 'sqlite';
  22         var $seqField = false;
  23         var $addCol=' ADD COLUMN';
  24         var $dropTable = 'DROP TABLE IF EXISTS %s';
  25         var $dropIndex = 'DROP INDEX IF EXISTS %s';
  26         var $renameTable = 'ALTER TABLE %s RENAME TO %s';
  27
  28         public $blobAllowsDefaultValue = true;
  29         public $blobAllowsNotNull      = true;
  30
  31         function ActualType($meta)
  32         {
  33                 switch(strtoupper($meta)) {
  34                 case 'C': return 'VARCHAR'; //  TEXT , TEXT affinity
  35                 case 'XL':return 'LONGTEXT'; //  TEXT , TEXT affinity
  36                 case 'X': return 'TEXT'; //  TEXT , TEXT affinity
  37
  38                 case 'C2': return 'VARCHAR'; //  TEXT , TEXT affinity
  39                 case 'X2': return 'LONGTEXT'; //  TEXT , TEXT affinity
  40
  41                 case 'B': return 'LONGBLOB'; //  TEXT , NONE affinity , BLOB
  42
  43                 case 'D': return 'DATE'; // NUMERIC , NUMERIC affinity
  44                 case 'T': return 'DATETIME'; // NUMERIC , NUMERIC affinity
  45                 case 'L': return 'TINYINT'; // NUMERIC , INTEGER affinity
  46
  47                 case 'R':
  48                 case 'I4':
  49                 case 'I': return 'INTEGER'; // NUMERIC , INTEGER affinity
  50                 case 'I1': return 'TINYINT'; // NUMERIC , INTEGER affinity
  51                 case 'I2': return 'SMALLINT'; // NUMERIC , INTEGER affinity
  52                 case 'I8': return 'BIGINT'; // NUMERIC , INTEGER affinity
  53
  54                 case 'F': return 'DOUBLE'; // NUMERIC , REAL affinity
  55                 case 'N': return 'NUMERIC'; // NUMERIC , NUMERIC affinity
  56                 default:
  57                         return $meta;
  58                 }
  59         }
  60
  61         // return string must begin with space
  62         function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
  63         {
  64                 $suffix = '';
  65                 if ($funsigned) $suffix .= ' UNSIGNED';
  66                 if ($fnotnull) $suffix .= ' NOT NULL';
  67                 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
  68                 if ($fautoinc) $suffix .= ' AUTOINCREMENT';
  69                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  70                 return $suffix;
  71         }
  72
  73         function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
  74         {
  75                 if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
  76                 return array();
  77         }
  78
  79         function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
  80         {
  81                 if ($this->debug) ADOConnection::outp("DropColumnSQL not supported natively by SQLite");
  82                 return array();
  83         }
  84
  85         function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
  86         {
  87                 if ($this->debug) ADOConnection::outp("RenameColumnSQL not supported natively by SQLite");
  88                 return array();
  89         }
  90
  91 }