1 | #include "dbhelper.h" |
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2 | |
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3 | #include "mythcontext.h" |
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4 | |
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5 | QString DBHelper::dbCreateTable(const QString &dbType, const QString &tableName, bool temporary) |
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6 | { |
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7 | QString retval; |
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8 | |
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9 | if (dbType == DBTYPE_MYSQL) |
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10 | { |
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11 | retval = "CREATE "; |
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12 | if (temporary) |
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13 | retval += "TEMPORARY "; |
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14 | retval += "TABLE IF NOT EXISTS " + tableName; |
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15 | } |
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16 | else if (dbType == DBTYPE_PGSQL) |
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17 | { |
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18 | retval = dbDropTable(dbType, tableName) + " CREATE "; |
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19 | if (temporary) |
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20 | retval += "TEMPORARY "; |
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21 | retval += "TABLE " + tableName; |
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22 | } |
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23 | |
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24 | return retval; |
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25 | } |
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26 | |
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27 | QString DBHelper::dbDropTable(const QString &dbType, const QString &tableName) |
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28 | { |
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29 | if (dbType == DBTYPE_MYSQL) |
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30 | return QString("DROP TABLE IF EXISTS " + tableName); |
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31 | else if (dbType == DBTYPE_PGSQL) |
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32 | return QString("select drop_table_if_exists ('" + tableName + "', false);"); |
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33 | return QString(""); |
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34 | } |
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35 | |
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36 | QString DBHelper::dbInt(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal, bool auto_num) |
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37 | { |
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38 | QString retval = colName; |
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39 | |
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40 | if (dbType == DBTYPE_MYSQL) { |
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41 | retval += " int"; |
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42 | if (width.length() > 0) |
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43 | retval += "(" + width + ")"; |
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44 | if (unsignedCol) |
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45 | retval += " unsigned"; |
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46 | if (!nullable) |
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47 | retval += " NOT NULL"; |
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48 | if (auto_num) |
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49 | retval += " auto_increment"; |
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50 | else if (defaultVal.length() > 0) |
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51 | retval += " default " + defaultVal; |
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52 | } |
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53 | else if (dbType == DBTYPE_PGSQL) { |
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54 | if (auto_num) |
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55 | retval += " SERIAL"; |
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56 | else { |
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57 | retval += " INT4"; |
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58 | if (!nullable) |
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59 | retval += " NOT NULL"; |
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60 | if (defaultVal.length() > 0) |
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61 | retval += " default " + defaultVal; |
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62 | if (unsignedCol) |
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63 | retval += " check(" + colName + " >= 0)"; |
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64 | } |
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65 | } |
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66 | |
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67 | return retval; |
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68 | } |
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69 | |
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70 | |
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71 | QString DBHelper::dbTinyInt(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal, bool auto_num) |
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72 | { |
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73 | QString retval = colName; |
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74 | |
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75 | if (dbType == DBTYPE_MYSQL) { |
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76 | retval += " tinyint"; |
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77 | if (width.length() > 0) |
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78 | retval += "(" + width + ")"; |
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79 | if (unsignedCol) |
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80 | retval += " unsigned"; |
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81 | if (!nullable) |
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82 | retval += " NOT NULL"; |
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83 | if (auto_num) |
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84 | retval += " auto_increment"; |
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85 | else if (defaultVal.length() > 0) |
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86 | retval += " default " + defaultVal; |
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87 | } |
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88 | else if (dbType == DBTYPE_PGSQL) { |
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89 | if (auto_num) |
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90 | retval += " SERIAL"; |
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91 | else { |
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92 | retval += " INT2"; |
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93 | if (!nullable) |
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94 | retval += " NOT NULL"; |
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95 | if (defaultVal.length() > 0) |
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96 | retval += " default " + defaultVal; |
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97 | if (unsignedCol) |
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98 | retval += " check(" + colName + " >= 0)"; |
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99 | } |
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100 | } |
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101 | |
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102 | return retval; |
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103 | } |
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104 | |
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105 | |
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106 | QString DBHelper::dbBigInt(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal, bool auto_num) |
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107 | { |
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108 | QString retval = colName; |
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109 | |
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110 | if (dbType == DBTYPE_MYSQL) { |
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111 | retval += " bigint"; |
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112 | if (width.length() > 0) |
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113 | retval += "(" + width + ")"; |
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114 | if (unsignedCol) |
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115 | retval += " unsigned"; |
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116 | if (!nullable) |
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117 | retval += " NOT NULL"; |
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118 | if (auto_num) |
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119 | retval += " auto_increment"; |
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120 | else if (defaultVal.length() > 0) |
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121 | retval += " default " + defaultVal; |
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122 | } |
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123 | else if (dbType == DBTYPE_PGSQL) { |
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124 | if (auto_num) |
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125 | retval += " SERIAL"; |
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126 | else { |
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127 | retval += " INT8"; |
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128 | if (!nullable) |
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129 | retval += " NOT NULL"; |
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130 | if (defaultVal.length() > 0) |
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131 | retval += " default " + defaultVal; |
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132 | if (unsignedCol) |
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133 | retval += " check(" + colName + " >= 0)"; |
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134 | } |
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135 | } |
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136 | |
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137 | return retval; |
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138 | } |
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139 | |
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140 | |
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141 | QString DBHelper::dbSmallInt(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal, bool auto_num) |
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142 | { |
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143 | QString retval = colName; |
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144 | |
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145 | if (dbType == DBTYPE_MYSQL) { |
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146 | retval += " smallint"; |
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147 | if (width.length() > 0) |
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148 | retval += "(" + width + ")"; |
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149 | if (unsignedCol) |
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150 | retval += " unsigned"; |
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151 | if (!nullable) |
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152 | retval += " NOT NULL"; |
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153 | if (auto_num) |
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154 | retval += " auto_increment"; |
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155 | else if (defaultVal.length() > 0) |
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156 | retval += " default " + defaultVal; |
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157 | } |
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158 | else if (dbType == DBTYPE_PGSQL) { |
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159 | if (auto_num) |
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160 | retval += " SERIAL"; |
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161 | else { |
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162 | retval += " INT2"; |
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163 | if (!nullable) |
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164 | retval += " NOT NULL"; |
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165 | if (defaultVal.length() > 0) |
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166 | retval += " default " + defaultVal; |
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167 | if (unsignedCol) |
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168 | retval += " check(" + colName + " >= 0)"; |
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169 | } |
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170 | } |
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171 | |
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172 | return retval; |
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173 | } |
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174 | |
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175 | |
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176 | QString DBHelper::dbMedInt(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal, bool auto_num) |
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177 | { |
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178 | QString retval = colName; |
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179 | |
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180 | if (dbType == DBTYPE_MYSQL) { |
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181 | retval += " mediumint"; |
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182 | if (width.length() > 0) |
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183 | retval += "(" + width + ")"; |
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184 | if (unsignedCol) |
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185 | retval += " unsigned"; |
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186 | if (!nullable) |
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187 | retval += " NOT NULL"; |
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188 | if (auto_num) |
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189 | retval += " auto_increment"; |
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190 | else if (defaultVal.length() > 0) |
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191 | retval += " default " + defaultVal; |
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192 | } |
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193 | else if (dbType == DBTYPE_PGSQL) { |
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194 | if (auto_num) |
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195 | retval += " SERIAL"; |
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196 | else { |
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197 | retval += " INT4"; |
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198 | if (!nullable) |
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199 | retval += " NOT NULL"; |
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200 | if (defaultVal.length() > 0) |
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201 | retval += " default " + defaultVal; |
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202 | if (unsignedCol) |
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203 | retval += " check(" + colName + " >= 0)"; |
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204 | } |
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205 | } |
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206 | |
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207 | return retval; |
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208 | } |
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209 | |
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210 | QString DBHelper::dbFloat(const QString &dbType, const QString &colName, const QString &width, bool nullable, bool unsignedCol, const QString &defaultVal) |
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211 | { |
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212 | QString retval = colName + " float"; |
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213 | |
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214 | |
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215 | if (width.length() > 0) |
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216 | retval += "(" + width + ")"; |
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217 | |
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218 | if (dbType == DBTYPE_MYSQL) { |
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219 | if (unsignedCol) |
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220 | retval += " unsigned"; |
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221 | if (!nullable) |
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222 | retval += " NOT NULL"; |
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223 | else if (defaultVal.length() > 0) |
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224 | retval += " default " + defaultVal; |
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225 | } |
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226 | else if (dbType == DBTYPE_PGSQL) { |
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227 | if (!nullable) |
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228 | retval += " NOT NULL"; |
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229 | if (defaultVal.length() > 0) |
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230 | retval += " default " + defaultVal; |
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231 | if (unsignedCol) |
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232 | retval += " check(" + colName + " >= 0)"; |
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233 | } |
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234 | |
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235 | return retval; |
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236 | } |
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237 | |
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238 | QString DBHelper::dbTimeStamp(const QString &dbType, const QString &colName, const QString &width, bool nullable, const QString &defaultVal) |
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239 | { |
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240 | QString retval = colName; |
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241 | |
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242 | retval += " TIMESTAMP"; |
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243 | |
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244 | if (dbType == DBTYPE_MYSQL) { |
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245 | if (width.length() > 0) |
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246 | retval += "(" + width + ")"; |
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247 | } |
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248 | |
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249 | if (!nullable) |
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250 | retval += " NOT NULL"; |
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251 | |
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252 | if (defaultVal.length() > 0) { |
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253 | if (dbType == DBTYPE_MYSQL) { |
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254 | retval += " default " + defaultVal; |
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255 | } |
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256 | else if (dbType == DBTYPE_PGSQL) { |
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257 | if (defaultVal == "'00000000000000'" || defaultVal == "'0000-00-00 00:00:00'") |
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258 | retval += " default 'epoch'"; |
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259 | else |
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260 | retval += " default " + defaultVal; |
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261 | } |
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262 | } |
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263 | else |
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264 | { |
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265 | if (dbType == DBTYPE_PGSQL) { |
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266 | retval += " default now() "; |
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267 | } |
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268 | } |
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269 | |
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270 | return retval; |
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271 | } |
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272 | |
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273 | |
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274 | QString DBHelper::dbDatetime(const QString &dbType, const QString &colName, bool nullable, const QString &defaultVal) |
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275 | { |
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276 | QString retval = colName; |
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277 | |
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278 | if (dbType == DBTYPE_MYSQL) { |
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279 | retval += " DATETIME"; |
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280 | } |
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281 | else if (dbType == DBTYPE_PGSQL) { |
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282 | retval += " TIMESTAMP"; |
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283 | } |
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284 | |
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285 | if (!nullable) |
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286 | retval += " NOT NULL"; |
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287 | |
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288 | if (defaultVal.length() > 0) { |
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289 | if (dbType == DBTYPE_MYSQL) { |
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290 | retval += " default " + defaultVal; |
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291 | } |
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292 | else if (dbType == DBTYPE_PGSQL) { |
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293 | if (defaultVal == "'00000000000000'" || defaultVal == "'0000-00-00 00:00:00'") |
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294 | retval += " default 'epoch'"; |
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295 | else |
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296 | retval += " default " + defaultVal; |
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297 | } |
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298 | } |
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299 | else |
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300 | { |
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301 | if (dbType == DBTYPE_PGSQL) { |
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302 | retval += " default now() "; |
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303 | } |
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304 | } |
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305 | |
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306 | |
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307 | return retval; |
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308 | } |
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309 | |
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310 | |
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311 | QString DBHelper::dbDate(const QString &dbType, const QString &colName, bool nullable, const QString &defaultVal) |
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312 | { |
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313 | QString retval = colName + " DATE"; |
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314 | |
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315 | if (!nullable) |
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316 | retval += " NOT NULL"; |
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317 | |
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318 | if (defaultVal.length() > 0) |
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319 | if (dbType == DBTYPE_MYSQL) { |
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320 | retval += " default " + defaultVal; |
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321 | } |
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322 | else if (dbType == DBTYPE_PGSQL) { |
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323 | if (defaultVal == "'00000000'" || defaultVal == "'0000-00-00'") |
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324 | retval += " default 'epoch'"; |
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325 | else |
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326 | retval += " default " + defaultVal; |
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327 | } |
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328 | |
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329 | return retval; |
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330 | } |
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331 | |
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332 | |
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333 | QString DBHelper::dbYear(const QString &dbType, const QString &colName, const QString &width, bool nullable, const QString &defaultVal) |
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334 | { |
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335 | QString retval = colName; |
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336 | |
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337 | if (dbType == DBTYPE_MYSQL) |
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338 | { |
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339 | retval += " YEAR"; |
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340 | |
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341 | if (width.length() > 0) |
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342 | retval += "(" + width + ")"; |
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343 | |
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344 | if (!nullable) |
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345 | retval += " NOT NULL"; |
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346 | |
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347 | if (defaultVal.length() > 0) |
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348 | retval += " DEFAULT " + defaultVal; |
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349 | } |
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350 | else if (dbType == DBTYPE_PGSQL) |
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351 | { |
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352 | retval += " INT"; |
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353 | |
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354 | if (!nullable) |
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355 | retval += " NOT NULL"; |
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356 | |
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357 | if (defaultVal.length() > 0) |
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358 | retval += " DEFAULT " + defaultVal; |
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359 | |
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360 | retval += " check(" + colName + " >= 1901 OR " + colName + " = 0000)"; |
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361 | } |
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362 | |
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363 | return retval; |
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364 | } |
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365 | |
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366 | QString DBHelper::dbBlob(const QString &dbType, const QString &colName, bool nullable, const QString &defaultVal) |
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367 | { |
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368 | QString retval = colName; |
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369 | |
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370 | if (dbType == DBTYPE_MYSQL) |
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371 | retval += " BLOB"; |
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372 | else if (dbType == DBTYPE_PGSQL) |
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373 | retval += " BYTEA"; |
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374 | |
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375 | if (!nullable) |
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376 | retval += " NOT NULL"; |
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377 | |
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378 | if (defaultVal.length() > 0) |
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379 | retval += " DEFAULT " + defaultVal; |
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380 | |
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381 | return retval; |
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382 | } |
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383 | |
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384 | QString DBHelper::dbText(const QString &dbType, const QString &colName, bool nullable) |
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385 | { |
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386 | QString retval = colName + " TEXT"; |
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387 | |
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388 | if (!nullable) |
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389 | retval += " NOT NULL"; |
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390 | |
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391 | |
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392 | if (dbType == DBTYPE_PGSQL) |
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393 | retval += " DEFAULT ''"; |
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394 | |
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395 | return retval; |
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396 | } |
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397 | |
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398 | QString DBHelper::dbAddIndex(const QString &dbType, const QString &tableName, const QString &indexName, const QString &colList, bool unique) |
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399 | { |
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400 | QString retval = "CREATE "; |
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401 | QString s; |
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402 | |
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403 | int numCols; |
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404 | int colStart; |
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405 | int colEnd; |
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406 | int widthStart; |
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407 | |
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408 | if (dbType == DBTYPE_MYSQL) |
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409 | { |
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410 | if (unique) |
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411 | retval += "UNIQUE "; |
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412 | |
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413 | retval += "INDEX " + tableName + "_" + indexName + "_idx ON " + tableName + " (" + colList + ")"; |
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414 | } |
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415 | else if (dbType == DBTYPE_PGSQL) |
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416 | { |
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417 | if (unique) |
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418 | retval += "UNIQUE "; |
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419 | |
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420 | retval += "INDEX " + tableName + "_" + indexName + "_idx ON " + tableName + " ("; |
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421 | |
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422 | // check to see if there are any "partial columns" |
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423 | // if they exist, just use the whole column |
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424 | // PGSQL won't do partials for an index |
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425 | // but it will index on a function, so there may be a |
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426 | // way to implement this, since indexing a varchar(255) |
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427 | // is slow |
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428 | widthStart = colList.find('('); |
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429 | if (-1 == widthStart) |
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430 | retval += colList + ","; |
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431 | else |
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432 | { |
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433 | numCols = colList.contains(',') + 1; |
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434 | |
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435 | colStart = 0; |
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436 | if (1 == numCols) |
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437 | colEnd = colList.length(); |
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438 | else |
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439 | colEnd = colList.find(','); |
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440 | |
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441 | for (int i = 0 ; i < numCols; ++i) |
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442 | { |
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443 | if (colEnd < widthStart) |
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444 | { |
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445 | retval += colList.section(',', i, i) + ","; |
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446 | } |
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447 | else |
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448 | { |
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449 | // this part doesn't work for some reason |
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450 | // so just use the whole field. |
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451 | //retval += "substring(" |
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452 | // + colList.mid(colStart, colStart-widthStart-1) |
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453 | // + " from 1 for " |
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454 | // + colList.mid(widthStart+1, widthStart-colList.find(')', widthStart)) + ","; |
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455 | retval += colList.section(',', i, i).section('(', 0, 0) + ","; |
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456 | //retval += colList.mid(colStart, colStart-widthStart-1) + ","; |
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457 | widthStart = colList.find('(', colEnd); |
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458 | if (-1 == widthStart) |
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459 | widthStart = colList.length() + 1; |
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460 | } |
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461 | colStart = colEnd + 1; |
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462 | colEnd = colList.find(',', colStart); |
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463 | if (-1 == colEnd) |
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464 | colEnd = colList.length(); |
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465 | } |
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466 | } |
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467 | |
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468 | // strip the trailing comma |
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469 | retval = retval.left(retval.length()-1); |
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470 | retval += ")"; |
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471 | } |
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472 | else |
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473 | retval = ""; |
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474 | |
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475 | return retval; |
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476 | } |
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477 | |
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478 | QString DBHelper::dbDropPKey(const QString &dbType, const QString &tableName) |
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479 | { |
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480 | QString retval = "ALTER TABLE " + tableName + " DROP "; |
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481 | |
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482 | if (dbType == DBTYPE_MYSQL) |
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483 | retval += "PRIMARY KEY"; |
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484 | else if (dbType == DBTYPE_PGSQL) |
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485 | { |
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486 | retval += "CONSTRAINT " + tableName + "_pkey"; |
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487 | } |
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488 | |
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489 | return retval; |
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490 | } |
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491 | |
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492 | |
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493 | QString DBHelper::dbChangeColumn(const QString &dbType, const QString &tableName, const QString &oldColName, const QString &newColDef) |
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494 | { |
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495 | QString retval = "ALTER TABLE " + tableName; |
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496 | int idx; |
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497 | int idx2; |
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498 | |
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499 | if (dbType == DBTYPE_MYSQL) |
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500 | { |
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501 | retval += " CHANGE " + oldColName + " " + newColDef; |
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502 | } |
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503 | else if (dbType == DBTYPE_PGSQL) |
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504 | { |
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505 | QString newColName = newColDef.section(' ', 0, 0); |
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506 | |
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507 | retval += " ALTER " + oldColName + " TYPE " + newColDef.section(' ', 1, 1) + ";"; |
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508 | retval += "ALTER TABLE " + tableName + " ALTER " + oldColName; |
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509 | if (newColDef.contains("not null", FALSE)) |
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510 | retval += " SET NOT NULL;"; |
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511 | else |
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512 | retval += " DROP NOT NULL;"; |
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513 | |
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514 | idx = newColDef.find("default ", 0, FALSE); |
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515 | idx2 = newColDef.find(',', idx); |
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516 | if (-1 < idx2) |
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517 | { |
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518 | retval += "ALTER TABLE " + tableName + " ADD " + newColDef.mid(idx2, newColDef.length() - idx2) + ";"; |
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519 | } |
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520 | else |
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521 | idx2 = newColDef.length(); |
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522 | |
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523 | if (-1 < idx) |
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524 | { |
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525 | idx += 8; |
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526 | retval += "ALTER TABLE " + tableName + " ALTER " + oldColName + " SET DEFAULT " + newColDef.mid(idx, idx2-idx); |
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527 | } |
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528 | } |
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529 | |
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530 | return retval; |
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531 | } |
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532 | |
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533 | QString DBHelper::dbReplaceInto(const QString &dbType, const QString &tableName, const QString &fields, const QString &values, unsigned long where) |
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534 | { |
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535 | QString retval; |
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536 | int numFields = fields.contains(',') + 1; |
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537 | |
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538 | if (dbType == DBTYPE_MYSQL) |
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539 | { |
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540 | retval = "REPLACE INTO " + tableName + " SET "; |
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541 | for (int i = 0; i < numFields ; ++i) |
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542 | { |
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543 | retval += fields.section(',', i, i) + " = " + values.section(",", i, i) + ", "; |
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544 | } |
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545 | retval = retval.left(retval.length()-2); |
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546 | } |
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547 | else if (dbType == DBTYPE_PGSQL) |
---|
548 | { |
---|
549 | // the where value is 1 in fields where |
---|
550 | // the variable is included in a where clause |
---|
551 | // order is from left to right. |
---|
552 | QString strWhere = " WHERE "; |
---|
553 | QString strValues = " VALUES ("; |
---|
554 | |
---|
555 | for (int i = 0; i < numFields ; ++i) |
---|
556 | { |
---|
557 | if (where % 2) |
---|
558 | strWhere += fields.section(',', i, i) + " = " + values.section(",", i, i) + " AND "; |
---|
559 | where = where >> 1; |
---|
560 | } |
---|
561 | strWhere = strWhere.left(strWhere.length()-4); |
---|
562 | |
---|
563 | // rumor is that MySQL's replace into function |
---|
564 | // is really a delete and and insert, so let's do that. |
---|
565 | retval = "delete from " + tableName + strWhere + ";"; |
---|
566 | retval += "insert into " + tableName + "("; |
---|
567 | for (int i = 0; i < numFields ; ++i) |
---|
568 | { |
---|
569 | retval += fields.section(',', i, i) + ", "; |
---|
570 | strValues += values.section(",", i, i) + ", "; |
---|
571 | } |
---|
572 | strValues = strValues.left(strValues.length()-2); |
---|
573 | strValues += ")"; |
---|
574 | retval = retval.left(retval.length()-2); |
---|
575 | retval += ") " + strValues; |
---|
576 | } |
---|
577 | |
---|
578 | return retval; |
---|
579 | } |
---|
580 | |
---|
581 | QString DBHelper::dbTimetoDOW(const QString &dbType, const QString &colName) |
---|
582 | { |
---|
583 | QString retval; |
---|
584 | |
---|
585 | if (dbType == DBTYPE_MYSQL) |
---|
586 | retval = " DAYOFWEEK(" + colName + ") "; |
---|
587 | else if (dbType == DBTYPE_PGSQL) |
---|
588 | retval = " DATE_PART('DOW', " + colName + " ) "; |
---|
589 | |
---|
590 | return retval; |
---|
591 | } |
---|
592 | |
---|
593 | QString DBHelper::dbTimetoDays(const QString &dbType, const QString &colName) |
---|
594 | { |
---|
595 | QString retval; |
---|
596 | |
---|
597 | if (dbType == DBTYPE_MYSQL) |
---|
598 | retval = " TO_DAYS( " + colName + ") "; |
---|
599 | else if (dbType == DBTYPE_PGSQL) |
---|
600 | retval = "DATE_PART('DAY', DATE_TRUNC('DAY', " + colName + " ))::int4 "; |
---|
601 | return retval; |
---|
602 | } |
---|
603 | |
---|
604 | QString DBHelper::dbTimetoSeconds(const QString &dbType, const QString &colName) |
---|
605 | { |
---|
606 | QString retval; |
---|
607 | |
---|
608 | if (dbType == DBTYPE_MYSQL) |
---|
609 | retval = " TIME_TO_SEC( " + colName + ") "; |
---|
610 | else if (dbType == DBTYPE_PGSQL) |
---|
611 | retval = " DATE_PART('EPOCH', " + colName |
---|
612 | + " - DATE_TRUNC('DAY', " + colName + " )) "; |
---|
613 | |
---|
614 | return retval; |
---|
615 | } |
---|
616 | |
---|
617 | QString DBHelper::dbFromUnixTime(const QString &dbType, const QString &colName) |
---|
618 | { |
---|
619 | QString retval; |
---|
620 | |
---|
621 | if (dbType == DBTYPE_MYSQL) |
---|
622 | //retval = " FROM_UNIXTIME(" + colName + ") "; |
---|
623 | retval = " interval " + colName + " second "; |
---|
624 | else if (dbType == DBTYPE_PGSQL) |
---|
625 | retval = " " + colName + " * INTERVAL '1 second'"; |
---|
626 | |
---|
627 | return retval; |
---|
628 | } |
---|
629 | |
---|
630 | QString DBHelper::dbHoursMinutes(const QString &dbType, const QString &colName) |
---|
631 | { |
---|
632 | QString retval; |
---|
633 | |
---|
634 | if (dbType == DBTYPE_MYSQL) |
---|
635 | retval = " interval time_format(" + colName + ", '%H:%i') hour_minute "; |
---|
636 | else if (dbType == DBTYPE_PGSQL) |
---|
637 | retval = " TO_TIMESTAMP(TO_CHAR(" + colName + ", 'HH24:MI' ), 'HH24:MI') "; |
---|
638 | |
---|
639 | return retval; |
---|
640 | } |
---|
641 | |
---|
642 | QString DBHelper::dbDateSub(const QString &dbType, const QString &colName1, const QString &colName2) |
---|
643 | { |
---|
644 | QString retval; |
---|
645 | |
---|
646 | if (dbType == DBTYPE_MYSQL) |
---|
647 | retval = " DATE_SUB(" + colName1 + ", " + colName2 + ") "; |
---|
648 | else if (dbType == DBTYPE_PGSQL) |
---|
649 | retval = " " + colName1 + " - " + colName2 + " "; |
---|
650 | |
---|
651 | return retval; |
---|
652 | } |
---|
653 | |
---|
654 | |
---|
655 | QString DBHelper::dbDateAdd(const QString &dbType, const QString &colName1, const QString &colName2) |
---|
656 | { |
---|
657 | QString retval; |
---|
658 | |
---|
659 | if (dbType == DBTYPE_MYSQL) |
---|
660 | retval = " DATE_ADD(" + colName1 + ", " + colName2 + ") "; |
---|
661 | else if (dbType == DBTYPE_PGSQL) |
---|
662 | retval = " " + colName1 + " + " + colName2 + " "; |
---|
663 | |
---|
664 | return retval; |
---|
665 | } |
---|
666 | |
---|
667 | QString DBHelper::dbCurrentTimestamp(const QString &dbType) |
---|
668 | { |
---|
669 | QString retval; |
---|
670 | |
---|
671 | if (dbType == DBTYPE_MYSQL) |
---|
672 | retval = " CURRENT_TIMESTAMP() "; |
---|
673 | else if (dbType == DBTYPE_PGSQL) |
---|
674 | retval = " NOW() "; |
---|
675 | |
---|
676 | return retval; |
---|
677 | } |
---|
678 | |
---|
679 | QString DBHelper::dbCurrentDate(const QString &dbType) |
---|
680 | { |
---|
681 | QString retval; |
---|
682 | |
---|
683 | if (dbType == DBTYPE_MYSQL) |
---|
684 | retval = " CURRENT_DATE() "; |
---|
685 | else if (dbType == DBTYPE_PGSQL) |
---|
686 | retval = " CURRENT_DATE "; |
---|
687 | |
---|
688 | return retval; |
---|
689 | } |
---|
690 | |
---|
691 | QString DBHelper::dbHex(const QString &dbType, const QString &value) |
---|
692 | { |
---|
693 | QString retval; |
---|
694 | |
---|
695 | if (dbType == DBTYPE_MYSQL) |
---|
696 | retval = " 0x" + value; |
---|
697 | else if (dbType == DBTYPE_PGSQL) |
---|
698 | retval = " X'" + value + "'::int "; |
---|
699 | |
---|
700 | return retval; |
---|
701 | } |
---|