1 | <?php |
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2 | /**************************************************************************\ |
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3 | * eGroupWare - Setup * |
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4 | * http://www.egroupware.org * |
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5 | * -------------------------------------------- * |
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6 | * This file written by Michael Dean<mdean@users.sourceforge.net> * |
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7 | * and Miles Lott<milosch@groupwhere.org> * |
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8 | * -------------------------------------------- * |
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9 | * This program is free software; you can redistribute it and/or modify it * |
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10 | * under the terms of the GNU General Public License as published by the * |
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11 | * Free Software Foundation; either version 2 of the License, or (at your * |
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12 | * option) any later version. * |
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13 | \**************************************************************************/ |
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14 | |
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15 | |
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16 | class schema_proc_mssql |
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17 | { |
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18 | var $m_sStatementTerminator; |
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19 | /* Following added to convert sql to array */ |
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20 | var $sCol = array(); |
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21 | var $pk = array(); |
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22 | var $fk = array(); |
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23 | var $ix = array(); |
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24 | var $uc = array(); |
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25 | var $b_needExplicitNULL = true; // no definition means NOT NULL for mssql |
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26 | |
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27 | function schema_proc_mssql() |
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28 | { |
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29 | $this->m_sStatementTerminator = ';'; |
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30 | } |
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31 | |
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32 | /* Return a type suitable for DDL */ |
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33 | function TranslateType($sType, $iPrecision = 0, $iScale = 0) |
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34 | { |
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35 | $sTranslated = ''; |
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36 | switch($sType) |
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37 | { |
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38 | case 'auto': |
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39 | $sTranslated = 'int identity(1,1) NOT NULL'; |
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40 | break; |
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41 | case 'blob': |
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42 | $sTranslated = 'image'; /* wonder how well PHP will support this??? */ |
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43 | break; |
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44 | case 'char': |
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45 | if ($iPrecision > 0 && $iPrecision < 256) |
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46 | { |
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47 | $sTranslated = sprintf("char(%d)", $iPrecision); |
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48 | } |
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49 | if ($iPrecision > 255) |
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50 | { |
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51 | $sTranslated = 'text'; |
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52 | } |
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53 | break; |
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54 | case 'date': |
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55 | $sTranslated = 'smalldatetime'; |
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56 | break; |
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57 | case 'decimal': |
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58 | $sTranslated = sprintf("decimal(%d,%d)", $iPrecision, $iScale); |
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59 | break; |
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60 | case 'float': |
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61 | switch ($iPrecision) |
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62 | { |
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63 | case 4: |
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64 | $sTranslated = 'float'; |
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65 | break; |
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66 | case 8: |
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67 | $sTranslated = 'real'; |
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68 | break; |
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69 | } |
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70 | break; |
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71 | case 'int': |
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72 | switch ($iPrecision) |
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73 | { |
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74 | case 2: |
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75 | $sTranslated = 'smallint'; |
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76 | break; |
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77 | case 4: |
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78 | case 8: |
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79 | $sTranslated = 'int'; |
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80 | break; |
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81 | } |
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82 | break; |
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83 | case 'longtext': |
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84 | case 'text': |
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85 | $sTranslated = 'text'; |
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86 | break; |
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87 | case 'timestamp': |
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88 | $sTranslated = 'datetime'; |
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89 | break; |
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90 | case 'bool': |
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91 | $sTranslated = 'bit'; |
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92 | break; |
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93 | case 'varchar': |
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94 | if ($iPrecision > 0 && $iPrecision <= 256) |
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95 | { |
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96 | $sTranslated = sprintf("varchar(%d)", $iPrecision); |
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97 | } |
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98 | if ($iPrecision > 256) |
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99 | { |
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100 | $sTranslated = 'text'; |
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101 | } |
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102 | break; |
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103 | } |
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104 | return $sTranslated; |
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105 | } |
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106 | |
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107 | function TranslateDefault($sDefault) |
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108 | { |
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109 | switch ($sDefault) |
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110 | { |
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111 | case 'current_date': |
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112 | case 'current_timestamp': |
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113 | return 'GetDate()'; |
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114 | } |
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115 | |
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116 | return "'$sDefault'"; |
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117 | } |
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118 | |
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119 | // Inverse of above, convert sql column types to array info |
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120 | function rTranslateType($sType, $iPrecision = 0, $iScale = 0) |
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121 | { |
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122 | $sTranslated = ''; |
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123 | if ($sType == 'int' || $sType == 'tinyint' || $sType == 'smallint') |
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124 | { |
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125 | if ($iPrecision > 8) |
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126 | { |
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127 | $iPrecision = 8; |
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128 | } |
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129 | elseif($iPrecision > 4) |
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130 | { |
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131 | $iPrecision = 4; |
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132 | } |
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133 | else |
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134 | { |
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135 | $iPrecision = 2; |
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136 | } |
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137 | } |
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138 | switch($sType) |
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139 | { |
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140 | case 'tinyint': |
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141 | case 'smallint': |
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142 | $sTranslated = "'type' => 'int', 'precision' => 2"; |
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143 | break; |
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144 | case 'int': |
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145 | $sTranslated = "'type' => 'int', 'precision' => 4"; |
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146 | break; |
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147 | case 'char': |
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148 | if ($iPrecision > 0 && $iPrecision < 256) |
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149 | { |
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150 | $sTranslated = "'type' => 'char', 'precision' => $iPrecision"; |
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151 | } |
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152 | if ($iPrecision > 255) |
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153 | { |
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154 | $sTranslated = "'type' => 'text'"; |
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155 | } |
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156 | break; |
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157 | case 'decimal': |
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158 | $sTranslated = "'type' => 'decimal', 'precision' => $iPrecision, 'scale' => $iScale"; |
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159 | break; |
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160 | case 'float': |
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161 | case 'double': |
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162 | $sTranslated = "'type' => 'float', 'precision' => $iPrecision"; |
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163 | break; |
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164 | case 'smalldatetime': |
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165 | $sTranslated = "'type' => 'date'"; |
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166 | break; |
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167 | case 'datetime': |
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168 | $sTranslated = "'type' => 'timestamp'"; |
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169 | break; |
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170 | case 'varchar': |
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171 | if ($iPrecision > 0 && $iPrecision < 256) |
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172 | { |
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173 | $sTranslated = "'type' => 'varchar', 'precision' => $iPrecision"; |
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174 | } |
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175 | if ($iPrecision > 255) |
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176 | { |
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177 | $sTranslated = "'type' => 'text'"; |
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178 | } |
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179 | break; |
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180 | case 'image': |
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181 | $sTranslated = "'type' => 'blob'"; |
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182 | break; |
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183 | case 'text': |
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184 | $sTranslated = "'type' => '$sType'"; |
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185 | break; |
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186 | case 'bit': |
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187 | $sTranslated = "'type' => 'bool'"; |
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188 | break; |
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189 | } |
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190 | return $sTranslated; |
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191 | } |
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192 | |
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193 | function GetPKSQL($sFields) |
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194 | { |
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195 | return "PRIMARY KEY NONCLUSTERED ($sFields)"; |
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196 | } |
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197 | |
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198 | function GetUCSQL($sFields) |
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199 | { |
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200 | return "UNIQUE($sFields)"; |
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201 | } |
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202 | |
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203 | function GetIXSQL($sFields,&$append,$options,$sTableName) |
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204 | { |
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205 | $append = True; |
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206 | $ixFields = str_replace(',','_',$sFields); |
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207 | $index = $sTableName . '_' . $ixFields . '_idx'; |
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208 | return "CREATE INDEX $index ON $sTableName ($sFields);\n"; |
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209 | } |
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210 | |
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211 | function _GetColumns($oProc, $sTableName, &$sColumns, $sDropColumn = '') |
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212 | { |
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213 | $sColumns = ''; |
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214 | $this->pk = array(); |
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215 | $this->fk = array(); |
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216 | $this->ix = array(); |
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217 | $this->uc = array(); |
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218 | |
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219 | // Field, Type, Null, Key, Default, Extra |
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220 | $oProc->m_odb->query("exec sp_columns '$sTableName'"); |
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221 | while ($oProc->m_odb->next_record()) |
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222 | { |
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223 | $type = $default = $null = $nullcomma = $prec = $scale = $ret = $colinfo = $scales = ''; |
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224 | if ($sColumns != '') |
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225 | { |
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226 | $sColumns .= ','; |
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227 | } |
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228 | $sColumns .= $oProc->m_odb->f(0); |
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229 | |
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230 | // The rest of this is used only for SQL->array |
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231 | $colinfo = explode('(',$oProc->m_odb->f(1)); |
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232 | $prec = str_replace(')','',$colinfo[1]); |
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233 | $scales = explode(',',$prec); |
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234 | if ($scales[1]) |
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235 | { |
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236 | $prec = $scales[0]; |
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237 | $scale = $scales[1]; |
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238 | } |
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239 | $type = $this->rTranslateType($colinfo[0], $prec, $scale); |
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240 | |
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241 | if ($oProc->m_odb->f(2) == 'YES') |
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242 | { |
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243 | $null = "'nullable' => True"; |
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244 | } |
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245 | else |
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246 | { |
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247 | $null = "'nullable' => False"; |
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248 | } |
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249 | if ($oProc->m_odb->f(4)) |
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250 | { |
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251 | $default = "'default' => '".$oProc->m_odb->f(4)."'"; |
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252 | $nullcomma = ','; |
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253 | } |
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254 | else |
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255 | { |
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256 | $default = ''; |
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257 | $nullcomma = ''; |
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258 | } |
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259 | if ($oProc->m_odb->f(5)) |
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260 | { |
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261 | $type = "'type' => 'auto'"; |
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262 | } |
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263 | $this->sCol[] = "\t\t\t\t'" . $oProc->m_odb->f(0)."' => array(" . $type . ',' . $null . $nullcomma . $default . '),' . "\n"; |
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264 | if ($oProc->m_odb->f(3) == 'PRI') |
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265 | { |
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266 | $this->pk[] = $oProc->m_odb->f(0); |
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267 | } |
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268 | if ($oProc->m_odb->f(3) == 'UNI') |
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269 | { |
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270 | $this->uc[] = $oProc->m_odb->f(0); |
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271 | } |
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272 | /* Hmmm, MUL could also mean unique, or not... */ |
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273 | if ($oProc->m_odb->f(3) == 'MUL') |
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274 | { |
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275 | $this->ix[] = $oProc->m_odb->f(0); |
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276 | } |
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277 | } |
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278 | /* ugly as heck, but is here to chop the trailing comma on the last element (for php3) */ |
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279 | $this->sCol[count($this->sCol) - 1] = substr($this->sCol[count($this->sCol) - 1],0,-2) . "\n"; |
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280 | |
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281 | return false; |
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282 | } |
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283 | |
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284 | function DropTable($oProc, &$aTables, $sTableName) |
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285 | { |
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286 | return !!($oProc->m_odb->query("DROP TABLE " . $sTableName)); |
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287 | } |
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288 | |
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289 | function DropColumn($oProc, &$aTables, $sTableName, $aNewTableDef, $sColumnName, $bCopyData = true) |
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290 | { |
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291 | return !!($oProc->m_odb->query("ALTER TABLE $sTableName DROP COLUMN $sColumnName")); |
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292 | } |
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293 | |
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294 | function RenameTable($oProc, &$aTables, $sOldTableName, $sNewTableName) |
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295 | { |
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296 | return !!($oProc->m_odb->query("EXEC sp_rename '$sOldTableName', '$sNewTableName'")); |
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297 | } |
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298 | |
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299 | function RenameColumn($oProc, &$aTables, $sTableName, $sOldColumnName, $sNewColumnName, $bCopyData = true) |
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300 | { |
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301 | // This really needs testing - it can affect primary keys, and other table-related objects |
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302 | // like sequences and such |
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303 | global $DEBUG; |
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304 | if ($DEBUG) { echo '<br>RenameColumn: calling _GetFieldSQL for ' . $sNewColumnName; } |
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305 | if ($oProc->_GetFieldSQL($aTables[$sTableName]["fd"][$sNewColumnName], $sNewColumnSQL)) |
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306 | { |
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307 | return !!($oProc->m_odb->query("EXEC sp_rename '$sTableName.$sOldColumnName', '$sNewColumnName'")); |
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308 | } |
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309 | return false; |
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310 | } |
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311 | |
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312 | function AlterColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef, $bCopyData = true) |
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313 | { |
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314 | global $DEBUG; |
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315 | if ($DEBUG) { echo '<br>AlterColumn: calling _GetFieldSQL for ' . $sNewColumnName; } |
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316 | if ($oProc->_GetFieldSQL($aTables[$sTableName]["fd"][$sColumnName], $sNewColumnSQL)) |
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317 | { |
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318 | return !!($oProc->m_odb->query("ALTER TABLE $sTableName ALTER COLUMN $sColumnName " . $sNewColumnSQL)); |
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319 | } |
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320 | |
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321 | return false; |
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322 | } |
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323 | |
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324 | function AddColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef) |
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325 | { |
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326 | $oProc->_GetFieldSQL($aColumnDef, $sFieldSQL); |
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327 | $query = "ALTER TABLE $sTableName ADD $sColumnName $sFieldSQL"; |
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328 | |
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329 | return !!($oProc->m_odb->query($query)); |
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330 | } |
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331 | |
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332 | function GetSequenceSQL($sTableName, &$sSequenceSQL) |
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333 | { |
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334 | $sSequenceSQL = ''; |
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335 | return true; |
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336 | } |
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337 | |
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338 | function CreateTable($oProc, &$aTables, $sTableName, $aTableDef) |
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339 | { |
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340 | if ($oProc->_GetTableSQL($sTableName, $aTableDef, $sTableSQL, $sSequenceSQL,$append_ix)) |
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341 | { |
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342 | // create sequence first since it will be needed for default |
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343 | if ($sSequenceSQL != '') |
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344 | { |
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345 | $oProc->m_odb->query($sSequenceSQL); |
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346 | } |
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347 | |
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348 | if($append_ix) |
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349 | { |
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350 | $query = "CREATE TABLE $sTableName ($sTableSQL"; |
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351 | } |
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352 | else |
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353 | { |
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354 | $query = "CREATE TABLE $sTableName ($sTableSQL)"; |
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355 | } |
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356 | |
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357 | return !!($oProc->m_odb->query($query)); |
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358 | } |
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359 | |
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360 | return false; |
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361 | } |
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362 | } |
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363 | ?> |
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