1 | <?php |
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2 | /* |
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3 | V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved. |
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4 | Released under both BSD license and Lesser GPL library license. |
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5 | Whenever there is any discrepancy between the two licenses, |
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6 | the BSD license will take precedence. |
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7 | Set tabs to 4 for best viewing. |
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8 | |
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9 | Latest version is available at http://adodb.sourceforge.net |
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10 | |
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11 | MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix. |
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12 | For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3 |
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13 | */ |
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14 | |
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15 | // security - hide paths |
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16 | if (!defined('ADODB_DIR')) die(); |
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17 | |
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18 | if (!defined('_ADODB_ODBC_LAYER')) { |
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19 | include(ADODB_DIR."/drivers/adodb-odbc.inc.php"); |
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20 | } |
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21 | |
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22 | |
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23 | class ADODB_odbc_mssql extends ADODB_odbc { |
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24 | var $databaseType = 'odbc_mssql'; |
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25 | var $fmtDate = "'Y-m-d'"; |
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26 | var $fmtTimeStamp = "'Y-m-d H:i:s'"; |
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27 | var $_bindInputArray = true; |
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28 | var $metaDatabasesSQL = "select name from sysdatabases where name <> 'master'"; |
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29 | var $metaTablesSQL="select name,case when type='U' then 'T' else 'V' end from sysobjects where (type='U' or type='V') and (name not in ('sysallocations','syscolumns','syscomments','sysdepends','sysfilegroups','sysfiles','sysfiles1','sysforeignkeys','sysfulltextcatalogs','sysindexes','sysindexkeys','sysmembers','sysobjects','syspermissions','sysprotects','sysreferences','systypes','sysusers','sysalternates','sysconstraints','syssegments','REFERENTIAL_CONSTRAINTS','CHECK_CONSTRAINTS','CONSTRAINT_TABLE_USAGE','CONSTRAINT_COLUMN_USAGE','VIEWS','VIEW_TABLE_USAGE','VIEW_COLUMN_USAGE','SCHEMATA','TABLES','TABLE_CONSTRAINTS','TABLE_PRIVILEGES','COLUMNS','COLUMN_DOMAIN_USAGE','COLUMN_PRIVILEGES','DOMAINS','DOMAIN_CONSTRAINTS','KEY_COLUMN_USAGE'))"; |
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30 | var $metaColumnsSQL = # xtype==61 is datetime |
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31 | "select c.name,t.name,c.length,c.isnullable, c.status, |
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32 | (case when c.xusertype=61 then 0 else c.xprec end), |
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33 | (case when c.xusertype=61 then 0 else c.xscale end) |
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34 | from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'"; |
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35 | var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE |
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36 | var $sysDate = 'GetDate()'; |
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37 | var $sysTimeStamp = 'GetDate()'; |
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38 | var $leftOuter = '*='; |
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39 | var $rightOuter = '=*'; |
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40 | var $substr = 'substring'; |
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41 | var $length = 'len'; |
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42 | var $ansiOuter = true; // for mssql7 or later |
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43 | var $identitySQL = 'select SCOPE_IDENTITY()'; // 'select SCOPE_IDENTITY'; # for mssql 2000 |
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44 | var $hasInsertID = true; |
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45 | var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON, |
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46 | # concatenating a null value with a string yields a NULL result |
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47 | |
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48 | function ADODB_odbc_mssql() |
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49 | { |
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50 | $this->ADODB_odbc(); |
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51 | //$this->curmode = SQL_CUR_USE_ODBC; |
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52 | } |
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53 | |
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54 | // crashes php... |
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55 | function ServerInfo() |
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56 | { |
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57 | global $ADODB_FETCH_MODE; |
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58 | $save = $ADODB_FETCH_MODE; |
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59 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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60 | $row = $this->GetRow("execute sp_server_info 2"); |
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61 | $ADODB_FETCH_MODE = $save; |
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62 | if (!is_array($row)) return false; |
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63 | $arr['description'] = $row[2]; |
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64 | $arr['version'] = ADOConnection::_findvers($arr['description']); |
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65 | return $arr; |
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66 | } |
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67 | |
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68 | function IfNull( $field, $ifNull ) |
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69 | { |
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70 | return " ISNULL($field, $ifNull) "; // if MS SQL Server |
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71 | } |
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72 | |
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73 | function _insertid() |
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74 | { |
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75 | // SCOPE_IDENTITY() |
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76 | // Returns the last IDENTITY value inserted into an IDENTITY column in |
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77 | // the same scope. A scope is a module -- a stored procedure, trigger, |
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78 | // function, or batch. Thus, two statements are in the same scope if |
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79 | // they are in the same stored procedure, function, or batch. |
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80 | return $this->GetOne($this->identitySQL); |
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81 | } |
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82 | |
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83 | |
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84 | function MetaForeignKeys($table, $owner=false, $upper=false) |
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85 | { |
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86 | global $ADODB_FETCH_MODE; |
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87 | |
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88 | $save = $ADODB_FETCH_MODE; |
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89 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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90 | $table = $this->qstr(strtoupper($table)); |
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91 | |
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92 | $sql = |
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93 | "select object_name(constid) as constraint_name, |
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94 | col_name(fkeyid, fkey) as column_name, |
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95 | object_name(rkeyid) as referenced_table_name, |
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96 | col_name(rkeyid, rkey) as referenced_column_name |
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97 | from sysforeignkeys |
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98 | where upper(object_name(fkeyid)) = $table |
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99 | order by constraint_name, referenced_table_name, keyno"; |
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100 | |
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101 | $constraints = $this->GetArray($sql); |
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102 | |
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103 | $ADODB_FETCH_MODE = $save; |
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104 | |
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105 | $arr = false; |
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106 | foreach($constraints as $constr) { |
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107 | //print_r($constr); |
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108 | $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3]; |
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109 | } |
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110 | if (!$arr) return false; |
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111 | |
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112 | $arr2 = false; |
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113 | |
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114 | foreach($arr as $k => $v) { |
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115 | foreach($v as $a => $b) { |
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116 | if ($upper) $a = strtoupper($a); |
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117 | $arr2[$a] = $b; |
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118 | } |
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119 | } |
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120 | return $arr2; |
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121 | } |
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122 | |
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123 | function MetaTables($ttype=false,$showSchema=false,$mask=false) |
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124 | { |
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125 | if ($mask) {//$this->debug=1; |
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126 | $save = $this->metaTablesSQL; |
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127 | $mask = $this->qstr($mask); |
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128 | $this->metaTablesSQL .= " AND name like $mask"; |
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129 | } |
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130 | $ret = ADOConnection::MetaTables($ttype,$showSchema); |
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131 | |
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132 | if ($mask) { |
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133 | $this->metaTablesSQL = $save; |
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134 | } |
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135 | return $ret; |
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136 | } |
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137 | |
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138 | function MetaColumns($table, $normalize=true) |
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139 | { |
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140 | |
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141 | $this->_findschema($table,$schema); |
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142 | if ($schema) { |
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143 | $dbName = $this->database; |
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144 | $this->SelectDB($schema); |
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145 | } |
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146 | global $ADODB_FETCH_MODE; |
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147 | $save = $ADODB_FETCH_MODE; |
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148 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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149 | |
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150 | if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false); |
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151 | $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table)); |
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152 | |
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153 | if ($schema) { |
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154 | $this->SelectDB($dbName); |
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155 | } |
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156 | |
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157 | if (isset($savem)) $this->SetFetchMode($savem); |
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158 | $ADODB_FETCH_MODE = $save; |
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159 | if (!is_object($rs)) { |
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160 | $false = false; |
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161 | return $false; |
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162 | } |
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163 | |
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164 | $retarr = array(); |
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165 | while (!$rs->EOF){ |
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166 | $fld = new ADOFieldObject(); |
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167 | $fld->name = $rs->fields[0]; |
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168 | $fld->type = $rs->fields[1]; |
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169 | |
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170 | $fld->not_null = (!$rs->fields[3]); |
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171 | $fld->auto_increment = ($rs->fields[4] == 128); // sys.syscolumns status field. 0x80 = 128 ref: http://msdn.microsoft.com/en-us/library/ms186816.aspx |
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172 | |
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173 | |
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174 | if (isset($rs->fields[5]) && $rs->fields[5]) { |
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175 | if ($rs->fields[5]>0) $fld->max_length = $rs->fields[5]; |
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176 | $fld->scale = $rs->fields[6]; |
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177 | if ($fld->scale>0) $fld->max_length += 1; |
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178 | } else |
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179 | $fld->max_length = $rs->fields[2]; |
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180 | |
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181 | |
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182 | if ($save == ADODB_FETCH_NUM) { |
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183 | $retarr[] = $fld; |
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184 | } else { |
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185 | $retarr[strtoupper($fld->name)] = $fld; |
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186 | } |
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187 | $rs->MoveNext(); |
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188 | } |
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189 | |
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190 | $rs->Close(); |
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191 | return $retarr; |
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192 | |
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193 | } |
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194 | |
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195 | |
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196 | function MetaIndexes($table,$primary=false, $owner=false) |
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197 | { |
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198 | $table = $this->qstr($table); |
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199 | |
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200 | $sql = "SELECT i.name AS ind_name, C.name AS col_name, USER_NAME(O.uid) AS Owner, c.colid, k.Keyno, |
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201 | CASE WHEN I.indid BETWEEN 1 AND 254 AND (I.status & 2048 = 2048 OR I.Status = 16402 AND O.XType = 'V') THEN 1 ELSE 0 END AS IsPK, |
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202 | CASE WHEN I.status & 2 = 2 THEN 1 ELSE 0 END AS IsUnique |
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203 | FROM dbo.sysobjects o INNER JOIN dbo.sysindexes I ON o.id = i.id |
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204 | INNER JOIN dbo.sysindexkeys K ON I.id = K.id AND I.Indid = K.Indid |
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205 | INNER JOIN dbo.syscolumns c ON K.id = C.id AND K.colid = C.Colid |
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206 | WHERE LEFT(i.name, 8) <> '_WA_Sys_' AND o.status >= 0 AND O.Name LIKE $table |
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207 | ORDER BY O.name, I.Name, K.keyno"; |
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208 | |
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209 | global $ADODB_FETCH_MODE; |
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210 | $save = $ADODB_FETCH_MODE; |
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211 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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212 | if ($this->fetchMode !== FALSE) { |
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213 | $savem = $this->SetFetchMode(FALSE); |
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214 | } |
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215 | |
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216 | $rs = $this->Execute($sql); |
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217 | if (isset($savem)) { |
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218 | $this->SetFetchMode($savem); |
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219 | } |
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220 | $ADODB_FETCH_MODE = $save; |
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221 | |
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222 | if (!is_object($rs)) { |
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223 | return FALSE; |
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224 | } |
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225 | |
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226 | $indexes = array(); |
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227 | while ($row = $rs->FetchRow()) { |
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228 | if (!$primary && $row[5]) continue; |
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229 | |
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230 | $indexes[$row[0]]['unique'] = $row[6]; |
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231 | $indexes[$row[0]]['columns'][] = $row[1]; |
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232 | } |
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233 | return $indexes; |
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234 | } |
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235 | |
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236 | function _query($sql,$inputarr=false) |
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237 | { |
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238 | if (is_string($sql)) $sql = str_replace('||','+',$sql); |
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239 | return ADODB_odbc::_query($sql,$inputarr); |
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240 | } |
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241 | |
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242 | function SetTransactionMode( $transaction_mode ) |
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243 | { |
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244 | $this->_transmode = $transaction_mode; |
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245 | if (empty($transaction_mode)) { |
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246 | $this->Execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED'); |
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247 | return; |
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248 | } |
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249 | if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode; |
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250 | $this->Execute("SET TRANSACTION ".$transaction_mode); |
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251 | } |
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252 | |
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253 | // "Stein-Aksel Basma" <basma@accelero.no> |
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254 | // tested with MSSQL 2000 |
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255 | function MetaPrimaryKeys($table) |
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256 | { |
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257 | global $ADODB_FETCH_MODE; |
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258 | |
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259 | $schema = ''; |
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260 | $this->_findschema($table,$schema); |
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261 | //if (!$schema) $schema = $this->database; |
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262 | if ($schema) $schema = "and k.table_catalog like '$schema%'"; |
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263 | |
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264 | $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k, |
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265 | information_schema.table_constraints tc |
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266 | where tc.constraint_name = k.constraint_name and tc.constraint_type = |
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267 | 'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position "; |
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268 | |
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269 | $savem = $ADODB_FETCH_MODE; |
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270 | $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; |
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271 | $a = $this->GetCol($sql); |
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272 | $ADODB_FETCH_MODE = $savem; |
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273 | |
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274 | if ($a && sizeof($a)>0) return $a; |
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275 | $false = false; |
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276 | return $false; |
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277 | } |
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278 | |
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279 | function SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0) |
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280 | { |
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281 | if ($nrows > 0 && $offset <= 0) { |
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282 | $sql = preg_replace( |
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283 | '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql); |
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284 | $rs = $this->Execute($sql,$inputarr); |
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285 | } else |
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286 | $rs = ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache); |
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287 | |
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288 | return $rs; |
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289 | } |
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290 | |
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291 | // Format date column in sql string given an input format that understands Y M D |
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292 | function SQLDate($fmt, $col=false) |
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293 | { |
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294 | if (!$col) $col = $this->sysTimeStamp; |
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295 | $s = ''; |
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296 | |
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297 | $len = strlen($fmt); |
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298 | for ($i=0; $i < $len; $i++) { |
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299 | if ($s) $s .= '+'; |
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300 | $ch = $fmt[$i]; |
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301 | switch($ch) { |
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302 | case 'Y': |
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303 | case 'y': |
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304 | $s .= "datename(yyyy,$col)"; |
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305 | break; |
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306 | case 'M': |
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307 | $s .= "convert(char(3),$col,0)"; |
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308 | break; |
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309 | case 'm': |
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310 | $s .= "replace(str(month($col),2),' ','0')"; |
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311 | break; |
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312 | case 'Q': |
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313 | case 'q': |
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314 | $s .= "datename(quarter,$col)"; |
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315 | break; |
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316 | case 'D': |
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317 | case 'd': |
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318 | $s .= "replace(str(day($col),2),' ','0')"; |
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319 | break; |
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320 | case 'h': |
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321 | $s .= "substring(convert(char(14),$col,0),13,2)"; |
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322 | break; |
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323 | |
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324 | case 'H': |
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325 | $s .= "replace(str(datepart(hh,$col),2),' ','0')"; |
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326 | break; |
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327 | |
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328 | case 'i': |
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329 | $s .= "replace(str(datepart(mi,$col),2),' ','0')"; |
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330 | break; |
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331 | case 's': |
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332 | $s .= "replace(str(datepart(ss,$col),2),' ','0')"; |
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333 | break; |
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334 | case 'a': |
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335 | case 'A': |
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336 | $s .= "substring(convert(char(19),$col,0),18,2)"; |
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337 | break; |
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338 | |
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339 | default: |
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340 | if ($ch == '\\') { |
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341 | $i++; |
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342 | $ch = substr($fmt,$i,1); |
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343 | } |
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344 | $s .= $this->qstr($ch); |
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345 | break; |
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346 | } |
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347 | } |
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348 | return $s; |
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349 | } |
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350 | |
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351 | } |
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352 | |
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353 | class ADORecordSet_odbc_mssql extends ADORecordSet_odbc { |
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354 | |
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355 | var $databaseType = 'odbc_mssql'; |
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356 | |
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357 | function ADORecordSet_odbc_mssql($id,$mode=false) |
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358 | { |
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359 | return $this->ADORecordSet_odbc($id,$mode); |
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360 | } |
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361 | } |
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362 | ?> |
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