annotate Lib/Schema/DB/Traits/mysql.pm @ 162:39c8788eded5

corrected PATH_INFO handling
author wizard
date Wed, 29 Dec 2010 16:55:24 +0300
parents 16ada169ca75
children 4267a2ac3d46
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
49
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1 package Schema::DB::Traits::mysql::Handler;
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2 use strict;
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3 use Common;
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4 our @ISA=qw(Object);
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5
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6 BEGIN {
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7 DeclareProperty SqlBatch => ACCESS_NONE;
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8 }
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9
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10 sub formatTypeNameInteger {
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11 my ($type) = @_;
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12
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13 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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14 }
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15
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16 sub formatTypeNameReal {
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17 my ($type) = @_;
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18
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19 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.', '.$type->Scale.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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20 }
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21
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22 sub formatTypeNameNumeric {
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23 my ($type) = @_;
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24 $type->MaxLength or die new Exception('The length and precission must be specified',$type->Name);
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25 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.', '.$type->Scale.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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26 }
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27
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28 sub formatTypeName {
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29 my ($type) = @_;
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30 return $type->Name;
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31 }
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32
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33 sub formatTypeNameChar {
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34 my ($type) = @_;
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35
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36 return (
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37 $type->Name.'('.$type->MaxLength.')'. (UNIVERSAL::isa($type,'Schema::DB::Type::mysql::CHAR') ? $type->Encoding : '')
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38 );
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39 }
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40
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41 sub formatTypeNameVarChar {
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42 my ($type) = @_;
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43
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44 return (
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45 $type->Name.'('.$type->MaxLength.')'. (UNIVERSAL::isa($type,'Schema::DB::Type::mysql::VARCHAR') ? $type->Encoding : '')
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46 );
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47 }
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48
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49 sub formatTypeNameEnum {
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50 my ($type) = @_;
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51 die new Exception('Enum must be a type of either Schema::DB::Type::mysql::ENUM or Schema::DB::Type::mysql::SET') if not (UNIVERSAL::isa($type,'Schema::DB::Type::mysql::ENUM') or UNIVERSAL::isa($type,'Schema::DB::Type::mysql::SET'));
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52 return (
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53 $type->Name.'('.join(',',map {quote($_)} $type->Values).')'
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54 );
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55 }
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56
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57 sub quote{
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58 if (wantarray) {
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59 return map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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60 } else {
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61 return join '',map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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62 }
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63 }
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64
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65 sub quote_names {
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66 if (wantarray) {
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67 return map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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68 } else {
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69 return join '',map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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70 }
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71 }
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72
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73 sub formatStringValue {
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74 my ($value) = @_;
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75
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76 if (ref $value) {
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77 if (UNIVERSAL::isa($value,'Schema::DB::mysql::Expression')) {
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78 return $value->as_string;
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79 } else {
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80 die new Exception('Can\'t format the object as a value',ref $value);
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81 }
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82 } else {
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83 return quote($value);
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84 }
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85 }
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86
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87
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88 sub formatNumberValue {
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89 my ($value) = @_;
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90
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91 if (ref $value) {
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92 if (UNIVERSAL::isa($value,'Schema::DB::mysql::Expression')) {
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93 return $value->as_string;
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94 } else {
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95 die new Exception('Can\'t format the object as a value',ref $value);
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96 }
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97 } else {
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98 $value =~ /^((\+|-)\s*)?\d+(\.\d+)?(e(\+|-)?\d+)?$/ or die new Exception('The specified value isn\'t a valid number',$value);
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99 return $value;
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100 }
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101 }
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102
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103
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104 my %TypesFormat = (
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105 TINYINT => {
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106 formatType => \&formatTypeNameInteger,
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107 formatValue => \&formatNumberValue
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108 },
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109 SMALLINT => {
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110 formatType => \&formatTypeNameInteger,
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111 formatValue => \&formatNumberValue
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112 },
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113 MEDIUMINT => {
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114 formatType => \&formatTypeNameInteger,
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115 formatValue => \&formatNumberValue
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116 },
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117 INT => {
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118 formatType => \&formatTypeNameInteger,
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119 formatValue => \&formatNumberValue
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120 },
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121 INTEGER => {
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122 formatType => \&formatTypeNameInteger,
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123 formatValue => \&formatNumberValue
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124 },
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125 BIGINT => {
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126 formatType => \&formatTypeNameInteger,
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127 formatValue => \&formatNumberValue
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128 },
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129 REAL => {
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130 formatType => \&formatTypeNameReal,
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131 formatValue => \&formatNumberValue
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132 },
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133 DOUBLE => {
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134 formatType => \&formatTypeNameReal,
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135 formatValue => \&formatNumberValue
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136 },
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137 FLOAT => {
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138 formatType => \&formatTypeNameReal,
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139 formatValue => \&formatNumberValue
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140 },
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141 DECIMAL => {
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142 formatType => \&formatTypeNameNumeric,
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143 formatValue => \&formatNumberValue
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144 },
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145 NUMERIC => {
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146 formatType => \&formatTypeNameNumeric,
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147 formatValue => \&formatNumberValue
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148 },
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149 DATE => {
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150 formatType => \&formatTypeName,
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151 formatValue => \&formatStringValue
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152 },
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153 TIME => {
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154 formatType => \&formatTypeName,
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155 formatValue => \&formatStringValue
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156 },
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157 TIMESTAMP => {
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158 formatType => \&formatTypeName,
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159 formatValue => \&formatStringValue
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160 },
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161 DATETIME => {
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162 formatType => \&formatTypeName,
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163 formatValue => \&formatStringValue
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164 },
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165 CHAR => {
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166 formatType => \&formatTypeNameChar,
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167 formatValue => \&formatStringValue
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168 },
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169 VARCHAR => {
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170 formatType => \&formatTypeNameVarChar,
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171 formatValue => \&formatStringValue
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172 },
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173 TINYBLOB => {
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174 formatType => \&formatTypeName,
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175 formatValue => \&formatStringValue
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176 },
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177 BLOB => {
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178 formatType => \&formatTypeName,
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179 formatValue => \&formatStringValue
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180 },
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181 MEDIUMBLOB => {
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182 formatType => \&formatTypeName,
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183 formatValue => \&formatStringValue
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184 },
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185 LONGBLOB => {
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186 formatType => \&formatTypeName,
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187 formatValue => \&formatStringValue
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188 },
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189 TINYTEXT => {
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190 formatType => \&formatTypeName,
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191 formatValue => \&formatStringValue
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192 },
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193 TEXT => {
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194 formatType => \&formatTypeName,
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195 formatValue => \&formatStringValue
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196 },
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197 MEDIUMTEXT => {
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198 formatType => \&formatTypeName,
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199 formatValue => \&formatStringValue
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200 },
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201 LONGTEXT => {
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202 formatType => \&formatTypeName,
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203 formatValue => \&formatStringValue
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204 },
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205 ENUM => {
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206 formatType => \&formatTypeNameEnum,
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207 formatValue => \&formatStringValue
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208 },
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209 SET => {
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210 formatType => \&formatTypeNameEnum,
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211 formatValue => \&formatStringValue
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212 }
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213 );
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214
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215
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216 =pod
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217 CREATE TABLE 'test'.'New Table' (
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218 'dd' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
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219 `ff` VARCHAR(45) NOT NULL,
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220 `ffg` VARCHAR(45) NOT NULL DEFAULT 'aaa',
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221 `ddf` INTEGER UNSIGNED NOT NULL,
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222 PRIMARY KEY(`dd`),
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223 UNIQUE `Index_2`(`ffg`),
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224 CONSTRAINT `FK_New Table_1` FOREIGN KEY `FK_New Table_1` (`ddf`)
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225 REFERENCES `user` (`id`)
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226 ON DELETE RESTRICT
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227 ON UPDATE RESTRICT
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228 )
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229 ENGINE = InnoDB;
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230 =cut
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231 sub formatCreateTable {
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232 my ($table,$level,%options) = @_;
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233
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234 my @sql;
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235
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236 # table body
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237 push @sql, map { formatColumn($_,$level+1) } $table->Columns ;
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238 if ($options{'skip_foreign_keys'}) {
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239 push @sql, map { formatConstraint($_,$level+1) } grep {not UNIVERSAL::isa($_,'Schema::DB::Constraint::ForeignKey')} values %{$table->Constraints};
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240 } else {
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241 push @sql, map { formatConstraint($_,$level+1) } values %{$table->Constraints};
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242 }
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243
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244 for(my $i = 0 ; $i < @sql -1; $i++) {
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245 $sql[$i] .= ',';
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246 }
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247
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248 unshift @sql, "CREATE TABLE ".quote_names($table->Name)."(";
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249
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250 if ($table->Tag) {
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251 push @sql, ")";
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252 push @sql, formatTableTag($table->Tag,$level);
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253 $sql[$#sql].=';';
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254 } else {
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255 push @sql, ');';
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256 }
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257
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258 return map { ("\t" x $level) . $_ } @sql;
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259 }
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260
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261 sub formatDropTable {
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262 my ($tableName,$level) = @_;
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263
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264 return "\t"x$level."DROP TABLE ".quote_names($tableName).";";
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265 }
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266
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267 sub formatTableTag {
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268 my ($tag,$level) = @_;
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269 return map { "\t"x$level . "$_ = ".$tag->{$_} } grep {/^(ENGINE)$/i} keys %{$tag};
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270 }
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271
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272 sub formatColumn {
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273 my ($column,$level) = @_;
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274 $level ||= 0;
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275 return "\t"x$level.quote_names($column->Name)." ".formatType($column->Type)." ".($column->CanBeNull ? 'NULL' : 'NOT NULL').($column->DefaultValue ? formatValueToType($column->DefaultValue,$column->Type) : '' ).($column->Tag ? ' '.join(' ',$column->Tag) : '');
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276 }
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277
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278 sub formatType {
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279 my ($type) = @_;
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280 my $format = $TypesFormat{uc $type->Name} or die new Exception('The unknown type name',$type->Name);
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281 $format->{formatType}->($type);
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282 }
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283
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284 sub formatValueToType {
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285 my ($value,$type) = @_;
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286
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287 my $format = $TypesFormat{uc $type->Name} or die new Exception('The unknown type name',$type->Name);
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288 $format->{formatValue}->($value);
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289 }
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290
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291 sub formatConstraint {
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292 my ($constraint,$level) = @_;
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293
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294 if (UNIVERSAL::isa($constraint,'Schema::DB::Constraint::ForeignKey')) {
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295 return formatForeignKey($constraint,$level);
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296 } else {
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297 return formatIndex($constraint, $level);
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298 }
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299 }
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300
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301 sub formatIndex {
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302 my ($constraint,$level) = @_;
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303
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304 my $name = quote_names($constraint->Name);
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305 my $columns = join(',',map quote_names($_->Name),$constraint->Columns);
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306
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307 if (ref $constraint eq 'Schema::DB::Constraint::PrimaryKey') {
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308 return "\t"x$level."PRIMARY KEY ($columns)";
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309 } elsif ($constraint eq 'Schema::DB::Constraint::Unique') {
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310 return "\t"x$level."UNIQUE $name ($columns)";
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311 } elsif ($constraint eq 'Schema::DB::Constraint::Index') {
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312 return "\t"x$level."INDEX $name ($columns)";
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313 } else {
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314 die new Exception('The unknown constraint', ref $constraint);
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315 }
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316
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317 }
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318
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319 sub formatForeignKey {
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320 my ($constraint,$level) = @_;
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321
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322 my $name = quote_names($constraint->Name);
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323 my $columns = join(',',map quote_names($_->Name),$constraint->Columns);
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324
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325 not $constraint->OnDelete or grep { uc $constraint->OnDelete eq $_ } ('RESTRICT','CASCADE','SET NULL','NO ACTION','SET DEFAULT') or die new Exception('Invalid ON DELETE reference',$constraint->OnDelete);
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326 not $constraint->OnUpdate or grep { uc $constraint->OnUpdate eq $_ } ('RESTRICT','CASCADE','SET NULL','NO ACTION','SET DEFAULT') or die new Exception('Invalid ON UPDATE reference',$constraint->OnUpdate);
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327
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328 my $refname = quote_names($constraint->ReferencedPrimaryKey->Table->Name);
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329 my $refcolumns = join(',',map quote_names($_->Name),$constraint->ReferencedPrimaryKey->Columns);
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330 return (
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331 "\t"x$level.
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332 "CONSTRAINT $name FOREIGN KEY $name ($columns) REFERENCES $refname ($refcolumns)".
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333 ($constraint->OnUpdate ? 'ON UPDATE'.$constraint->OnUpdate : '').
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334 ($constraint->OnDelete ? 'ON DELETE'.$constraint->OnDelete : '')
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335 );
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336 }
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337
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338 sub formatAlterTableRename {
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339 my ($oldName,$newName,$level) = @_;
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340
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341 return "\t"x$level."ALTER TABLE ".quote_names($oldName)." RENAME TO ".quote_names($newName).";";
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342 }
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343
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344 sub formatAlterTableDropColumn {
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345 my ($tableName, $columnName,$level) = @_;
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346
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347 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." DROP COLUMN ".quote_names($columnName).";";
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348 }
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349
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350 =pod
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351 ALTER TABLE `test`.`user` ADD COLUMN `my_col` VARCHAR(45) NOT NULL AFTER `name2`
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352 =cut
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353 sub formatAlterTableAddColumn {
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354 my ($tableName, $column, $table, $pos, $level) = @_;
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355
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356 my $posSpec = $pos == 0 ? 'FIRST' : 'AFTER '.quote_names($table->ColumnAt($pos-1)->Name);
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357
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358 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." ADD COLUMN ".formatColumn($column) .' '. $posSpec.";";
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359 }
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360
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361 =pod
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362 ALTER TABLE `test`.`manager` MODIFY COLUMN `description` VARCHAR(256) NOT NULL DEFAULT NULL;
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363 =cut
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364 sub formatAlterTableChangeColumn {
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365 my ($tableName,$column,$table,$pos,$level) = @_;
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366 my $posSpec = $pos == 0 ? 'FIRST' : 'AFTER '.quote_names($table->ColumnAt($pos-1)->Name);
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367 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." MODIFY COLUMN ".formatColumn($column).' '. $posSpec.";";
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368 }
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369
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370 =pod
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371 ALTER TABLE `test`.`manager` DROP INDEX `Index_2`;
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372 =cut
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373 sub formatAlterTableDropConstraint {
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374 my ($tableName,$constraint,$level) = @_;
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375 my $constraintName;
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376 if (ref $constraint eq 'Schema::DB::Constraint::PrimaryKey') {
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377 $constraintName = 'PRIMARY KEY';
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378 } elsif (ref $constraint eq 'Schema::DB::Constraint::ForeignKey') {
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379 $constraintName = 'FOREIGN KEY '.quote_names($constraint->Name);
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380 } elsif (UNIVERSAL::isa($constraint,'Schema::DB::Constraint::Index')) {
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381 $constraintName = 'INDEX '.quote_names($constraint->Name);
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382 } else {
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383 die new Exception("The unknow type of the constraint",ref $constraint);
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384 }
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385 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." DROP $constraintName;";
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386 }
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387
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388 =pod
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389 ALTER TABLE `test`.`session` ADD INDEX `Index_2`(`id`, `name`);
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390 =cut
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391 sub formatAlterTableAddConstraint {
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392 my ($tableName,$constraint,$level) = @_;
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393
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394 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." ADD ".formatConstraint($constraint,0).';';
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395 }
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396
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397 sub CreateTable {
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398 my ($this,$tbl,%option) = @_;
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399
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400 push @{$this->{$SqlBatch}},join("\n",formatCreateTable($tbl,0,%option));
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401
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402 return 1;
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403 }
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404
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405 sub DropTable {
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406 my ($this,$tbl) = @_;
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407
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408 push @{$this->{$SqlBatch}},join("\n",formatDropTable($tbl,0));
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409
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410 return 1;
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411 }
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412
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413 sub RenameTable {
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414 my ($this,$oldName,$newName) = @_;
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415
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416 push @{$this->{$SqlBatch}},join("\n",formatAlterTableRename($oldName,$newName,0));
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417
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418 return 1;
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parents: 0
diff changeset
419 }
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420
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421 sub AlterTableAddColumn {
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422 my ($this,$tblName,$column,$table,$pos) = @_;
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423
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424 push @{$this->{$SqlBatch}},join("\n",formatAlterTableAddColumn($tblName,$column,$table,$pos,0));
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425
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426 return 1;
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427 }
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428 sub AlterTableDropColumn {
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429 my ($this,$tblName,$columnName) = @_;
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430
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431 push @{$this->{$SqlBatch}},join("\n",formatAlterTableDropColumn($tblName,$columnName,0));
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432
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433 return 1;
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diff changeset
434 }
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435
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436 sub AlterTableChangeColumn {
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437 my ($this,$tblName,$column,$table,$pos) = @_;
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438
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439 push @{$this->{$SqlBatch}},join("\n",formatAlterTableChangeColumn($tblName,$column,$table,$pos,0));
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440
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441 return 1;
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diff changeset
442 }
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443
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444 sub AlterTableAddConstraint {
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445 my ($this,$tblName,$constraint) = @_;
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446
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447 push @{$this->{$SqlBatch}},join("\n",formatAlterTableAddConstraint($tblName,$constraint,0));
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448
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449 return 1;
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diff changeset
450 }
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451
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452 sub AlterTableDropConstraint {
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453 my ($this,$tblName,$constraint) = @_;
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454
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455 push @{$this->{$SqlBatch}},join("\n",formatAlterTableDropConstraint($tblName,$constraint,0));
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diff changeset
456
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457 return 1;
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diff changeset
458 }
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diff changeset
459
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460 sub Sql {
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461 my ($this) = @_;
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462 if (wantarray) {
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463 $this->SqlBatch;
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464 } else {
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465 return join("\n",$this->SqlBatch);
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466 }
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467 }
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468
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469 package Schema::DB::Traits::mysql;
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470 use Common;
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471 use base qw(Schema::DB::Traits);
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472
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473 BEGIN {
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474 DeclareProperty PendingConstraints => ACCESS_NONE;
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diff changeset
475 }
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476
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477 sub CTOR {
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478 my ($this,%args) = @_;
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479
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480 $args{'Handler'} = new Schema::DB::Traits::mysql::Handler;
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diff changeset
481 $this->SUPER::CTOR(%args);
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diff changeset
482 }
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483
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484 sub DropConstraint {
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485 my ($this,$constraint) = @_;
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486
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487 if (UNIVERSAL::isa($constraint,'Schema::DB::Constraint::Index')) {
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488 return 1 if not grep { $this->TableInfo->{$this->MapTableName($constraint->Table->Name)}->{'Columns'}->{$_->Name} != Schema::DB::Traits::STATE_REMOVED} $constraint->Columns;
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489 my @constraints = grep {$_ != $constraint } $constraint->Table->GetColumnConstraints($constraint->Columns);
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490 if (scalar @constraints == 1 and UNIVERSAL::isa($constraints[0],'Schema::DB::Constraint::ForeignKey')) {
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diff changeset
491 my $fk = shift @constraints;
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492 if ($this->TableInfo->{$this->MapTableName($fk->Table->Name)}->{'Constraints'}->{$fk->Name} != Schema::DB::Traits::STATE_REMOVED) {
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493 push @{$this->PendingActions}, {Action => \&DropConstraint, Args => [$constraint]};
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494 $this->{$PendingConstraints}->{$constraint->UniqName}->{'attempts'} ++;
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495
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496 die new Exception('Can\'t drop the primary key becouse of the foreing key',$fk->UniqName) if $this->{$PendingConstraints}->{$constraint->UniqName}->{'attempts'} > 2;
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diff changeset
497 return 2;
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diff changeset
498 }
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parents: 0
diff changeset
499 }
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parents: 0
diff changeset
500 }
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501 $this->SUPER::DropConstraint($constraint);
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parents: 0
diff changeset
502 }
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parents: 0
diff changeset
503
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504 sub GetMetaTable {
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505 my ($class,$dbh) = @_;
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parents: 0
diff changeset
506
16ada169ca75 migrating to the Eclipse IDE
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507 return Schema::DB::Traits::mysql::MetaTable->new( DBHandle => $dbh);
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diff changeset
508 }
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diff changeset
509
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diff changeset
510 package Schema::DB::Traits::mysql::MetaTable;
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diff changeset
511 use Common;
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diff changeset
512 our @ISA=qw(Object);
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513
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diff changeset
514 BEGIN {
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515 DeclareProperty DBHandle => ACCESS_NONE;
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parents: 0
diff changeset
516 }
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diff changeset
517
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518 sub ReadProperty {
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519 my ($this,$name) = @_;
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diff changeset
520
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521 local $this->{$DBHandle}->{PrintError};
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522 $this->{$DBHandle}->{PrintError} = 0;
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diff changeset
523 my ($val) = $this->{$DBHandle}->selectrow_array("SELECT value FROM _Meta WHERE name like ?", undef, $name);
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diff changeset
524 return $val;
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parents: 0
diff changeset
525 }
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parents: 0
diff changeset
526
16ada169ca75 migrating to the Eclipse IDE
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diff changeset
527 sub SetProperty {
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diff changeset
528 my ($this,$name,$val) = @_;
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diff changeset
529
16ada169ca75 migrating to the Eclipse IDE
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parents: 0
diff changeset
530 if ( $this->{$DBHandle}->selectrow_arrayref("SELECT TABLE_NAME FROM information_schema.`TABLES` T where TABLE_SCHEMA like DATABASE() and TABLE_NAME like '_Meta'")) {
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parents: 0
diff changeset
531 if ($this->{$DBHandle}->selectrow_arrayref("SELECT name FROM _Meta WHERE name like ?", undef, $name)) {
16ada169ca75 migrating to the Eclipse IDE
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diff changeset
532 $this->{$DBHandle}->do("UPDATE _Meta SET value = ? WHERE name like ?",undef,$val,$name);
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parents: 0
diff changeset
533 } else {
16ada169ca75 migrating to the Eclipse IDE
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diff changeset
534 $this->{$DBHandle}->do("INSERT INTO _Meta(name,value) VALUES ('$name',?)",undef,$val);
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parents: 0
diff changeset
535 }
16ada169ca75 migrating to the Eclipse IDE
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parents: 0
diff changeset
536 } else {
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diff changeset
537 $this->{$DBHandle}->do(q{
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diff changeset
538 CREATE TABLE `_Meta` (
16ada169ca75 migrating to the Eclipse IDE
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539 `name` VARCHAR(255) NOT NULL,
16ada169ca75 migrating to the Eclipse IDE
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parents: 0
diff changeset
540 `value` LONGTEXT NULL,
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diff changeset
541 PRIMARY KEY(`name`)
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parents: 0
diff changeset
542 );
16ada169ca75 migrating to the Eclipse IDE
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543 }) or die new Exception("Failed to create table","_Meta");
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 0
diff changeset
544
16ada169ca75 migrating to the Eclipse IDE
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diff changeset
545 $this->{$DBHandle}->do("INSERT INTO _Meta(name,value) VALUES (?,?)",undef,$name,$val);
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 0
diff changeset
546 }
16ada169ca75 migrating to the Eclipse IDE
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parents: 0
diff changeset
547 }
16ada169ca75 migrating to the Eclipse IDE
wizard@linux-odin.local
parents: 0
diff changeset
548
16ada169ca75 migrating to the Eclipse IDE
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549 1;