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

   1 <?php
   2
   3 /**
   4   @version   v5.20.16  12-Jan-2020
   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 $renameTable = 'ALTER TABLE %s RENAME TO %s';
  27
  28
  29
  30         function ActualType($meta)
  31         {
  32                 switch(strtoupper($meta)) {
  33                 case 'C': return 'VARCHAR'; //  TEXT , TEXT affinity
  34                 case 'XL':return 'LONGTEXT'; //  TEXT , TEXT affinity
  35                 case 'X': return 'TEXT'; //  TEXT , TEXT affinity
  36
  37                 case 'C2': return 'VARCHAR'; //  TEXT , TEXT affinity
  38                 case 'X2': return 'LONGTEXT'; //  TEXT , TEXT affinity
  39
  40                 case 'B': return 'LONGBLOB'; //  TEXT , NONE affinity , BLOB
  41
  42                 case 'D': return 'DATE'; // NUMERIC , NUMERIC affinity
  43                 case 'T': return 'DATETIME'; // NUMERIC , NUMERIC affinity
  44                 case 'L': return 'TINYINT'; // NUMERIC , INTEGER affinity
  45
  46                 case 'R':
  47                 case 'I4':
  48                 case 'I': return 'INTEGER'; // NUMERIC , INTEGER affinity
  49                 case 'I1': return 'TINYINT'; // NUMERIC , INTEGER affinity
  50                 case 'I2': return 'SMALLINT'; // NUMERIC , INTEGER affinity
  51                 case 'I8': return 'BIGINT'; // NUMERIC , INTEGER affinity
  52
  53                 case 'F': return 'DOUBLE'; // NUMERIC , REAL affinity
  54                 case 'N': return 'NUMERIC'; // NUMERIC , NUMERIC affinity
  55                 default:
  56                         return $meta;
  57                 }
  58         }
  59
  60         // return string must begin with space
  61         function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
  62         {
  63                 $suffix = '';
  64                 if ($funsigned) $suffix .= ' UNSIGNED';
  65                 if ($fnotnull) $suffix .= ' NOT NULL';
  66                 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
  67                 if ($fautoinc) $suffix .= ' AUTOINCREMENT';
  68                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  69                 return $suffix;
  70         }
  71
  72         function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
  73         {
  74                 if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported natively by SQLite");
  75                 return array();
  76         }
  77
  78         function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
  79         {
  80                 if ($this->debug) ADOConnection::outp("DropColumnSQL not supported natively by SQLite");
  81                 return array();
  82         }
  83
  84         function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
  85         {
  86                 if ($this->debug) ADOConnection::outp("RenameColumnSQL not supported natively by SQLite");
  87                 return array();
  88         }
  89
  90 }