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32
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1 package IMPL::SQL::Schema::Traits::mysql::Handler;
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2 use strict;
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3 use base qw(IMPL::Object);
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4 use IMPL::Class::Property;
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5 use IMPL::Class::Property::Direct;
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6
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7 BEGIN {
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8 public _direct property SqlBatch => prop_none;
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9 }
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10
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11 sub formatTypeNameInteger {
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12 my ($type) = @_;
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13
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14 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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15 }
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16
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17 sub formatTypeNameReal {
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18 my ($type) = @_;
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19
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20 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.', '.$type->Scale.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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21 }
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22
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23 sub formatTypeNameNumeric {
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24 my ($type) = @_;
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25 $type->MaxLength or die new IMPL::InvalidArgumentException('The length and precission must be specified',$type->Name);
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26 return $type->Name.($type->MaxLength ? '('.$type->MaxLength.', '.$type->Scale.')' : '').($type->Unsigned ? ' UNSIGNED': '').($type->Zerofill ? ' ZEROFILL' : '');
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27 }
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28
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29 sub formatTypeName {
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30 my ($type) = @_;
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31 return $type->Name;
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32 }
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33
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34 sub formatTypeNameChar {
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35 my ($type) = @_;
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36
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37 return (
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38 $type->Name.'('.$type->MaxLength.')'. (UNIVERSAL::isa($type,'IMPL::SQL::Schema::Type::mysql::CHAR') ? $type->Encoding : '')
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39 );
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40 }
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41
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42 sub formatTypeNameVarChar {
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43 my ($type) = @_;
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44
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45 return (
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46 $type->Name.'('.$type->MaxLength.')'. (UNIVERSAL::isa($type,'IMPL::SQL::Schema::Type::mysql::VARCHAR') ? $type->Encoding : '')
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47 );
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48 }
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49
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50 sub formatTypeNameEnum {
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51 my ($type) = @_;
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52 die new Exception('Enum must be a type of either IMPL::SQL::Schema::Type::mysql::ENUM or IMPL::SQL::Schema::Type::mysql::SET') if not (UNIVERSAL::isa($type,'IMPL::SQL::Schema::Type::mysql::ENUM') or UNIVERSAL::isa($type,'IMPL::SQL::Schema::Type::mysql::SET'));
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53 return (
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54 $type->Name.'('.join(',',map {quote($_)} $type->Values).')'
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55 );
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56 }
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57
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58 sub quote{
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59 if (wantarray) {
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60 return map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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61 } else {
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62 return join '',map { my $str=$_; $str=~ s/'/''/g; "'$str'"; } @_;
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63 }
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64 }
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65
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66 sub quote_names {
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67 if (wantarray) {
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68 return map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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69 } else {
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70 return join '',map { my $str=$_; $str=~ s/`/``/g; "`$str`"; } @_;
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71 }
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72 }
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73
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74 sub formatStringValue {
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75 my ($value) = @_;
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76
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77 if (ref $value) {
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78 if (UNIVERSAL::isa($value,'IMPL::SQL::Schema::mysql::Expression')) {
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79 return $value->as_string;
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80 } else {
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81 die new Exception('Can\'t format the object as a value',ref $value);
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82 }
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83 } else {
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84 return quote($value);
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85 }
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86 }
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87
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88
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89 sub formatNumberValue {
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90 my ($value) = @_;
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91
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92 if (ref $value) {
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93 if (UNIVERSAL::isa($value,'IMPL::SQL::Schema::mysql::Expression')) {
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94 return $value->as_string;
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95 } else {
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96 die new Exception('Can\'t format the object as a value',ref $value);
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97 }
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98 } else {
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99 $value =~ /^((\+|-)\s*)?\d+(\.\d+)?(e(\+|-)?\d+)?$/ or die new Exception('The specified value isn\'t a valid number',$value);
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100 return $value;
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101 }
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102 }
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103
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104
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105 my %TypesFormat = (
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106 TINYINT => {
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107 formatType => \&formatTypeNameInteger,
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108 formatValue => \&formatNumberValue
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109 },
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110 SMALLINT => {
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111 formatType => \&formatTypeNameInteger,
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112 formatValue => \&formatNumberValue
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113 },
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114 MEDIUMINT => {
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115 formatType => \&formatTypeNameInteger,
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116 formatValue => \&formatNumberValue
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117 },
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118 INT => {
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119 formatType => \&formatTypeNameInteger,
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120 formatValue => \&formatNumberValue
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121 },
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122 INTEGER => {
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123 formatType => \&formatTypeNameInteger,
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124 formatValue => \&formatNumberValue
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125 },
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126 BIGINT => {
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127 formatType => \&formatTypeNameInteger,
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128 formatValue => \&formatNumberValue
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129 },
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130 REAL => {
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131 formatType => \&formatTypeNameReal,
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132 formatValue => \&formatNumberValue
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133 },
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134 DOUBLE => {
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135 formatType => \&formatTypeNameReal,
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136 formatValue => \&formatNumberValue
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137 },
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138 FLOAT => {
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139 formatType => \&formatTypeNameReal,
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140 formatValue => \&formatNumberValue
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141 },
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142 DECIMAL => {
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143 formatType => \&formatTypeNameNumeric,
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144 formatValue => \&formatNumberValue
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145 },
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146 NUMERIC => {
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147 formatType => \&formatTypeNameNumeric,
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148 formatValue => \&formatNumberValue
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149 },
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150 DATE => {
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151 formatType => \&formatTypeName,
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152 formatValue => \&formatStringValue
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153 },
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154 TIME => {
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155 formatType => \&formatTypeName,
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156 formatValue => \&formatStringValue
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157 },
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158 TIMESTAMP => {
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159 formatType => \&formatTypeName,
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160 formatValue => \&formatStringValue
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161 },
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162 DATETIME => {
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163 formatType => \&formatTypeName,
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164 formatValue => \&formatStringValue
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165 },
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166 CHAR => {
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167 formatType => \&formatTypeNameChar,
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168 formatValue => \&formatStringValue
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169 },
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170 VARCHAR => {
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171 formatType => \&formatTypeNameVarChar,
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172 formatValue => \&formatStringValue
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173 },
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174 TINYBLOB => {
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175 formatType => \&formatTypeName,
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176 formatValue => \&formatStringValue
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177 },
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178 BLOB => {
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179 formatType => \&formatTypeName,
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180 formatValue => \&formatStringValue
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181 },
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182 MEDIUMBLOB => {
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183 formatType => \&formatTypeName,
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184 formatValue => \&formatStringValue
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185 },
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186 LONGBLOB => {
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187 formatType => \&formatTypeName,
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188 formatValue => \&formatStringValue
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189 },
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190 TINYTEXT => {
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191 formatType => \&formatTypeName,
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192 formatValue => \&formatStringValue
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193 },
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194 TEXT => {
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195 formatType => \&formatTypeName,
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196 formatValue => \&formatStringValue
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197 },
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198 MEDIUMTEXT => {
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199 formatType => \&formatTypeName,
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200 formatValue => \&formatStringValue
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201 },
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202 LONGTEXT => {
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203 formatType => \&formatTypeName,
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204 formatValue => \&formatStringValue
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205 },
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206 ENUM => {
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207 formatType => \&formatTypeNameEnum,
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208 formatValue => \&formatStringValue
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209 },
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210 SET => {
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211 formatType => \&formatTypeNameEnum,
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212 formatValue => \&formatStringValue
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213 }
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214 );
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215
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216
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217 =pod
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218 CREATE TABLE 'test'.'New Table' (
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219 'dd' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
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220 `ff` VARCHAR(45) NOT NULL,
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221 `ffg` VARCHAR(45) NOT NULL DEFAULT 'aaa',
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222 `ddf` INTEGER UNSIGNED NOT NULL,
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223 PRIMARY KEY(`dd`),
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224 UNIQUE `Index_2`(`ffg`),
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225 CONSTRAINT `FK_New Table_1` FOREIGN KEY `FK_New Table_1` (`ddf`)
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226 REFERENCES `user` (`id`)
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227 ON DELETE RESTRICT
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228 ON UPDATE RESTRICT
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229 )
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230 ENGINE = InnoDB;
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231 =cut
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232 sub formatCreateTable {
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233 my ($table,$level,%options) = @_;
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234
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235 my @sql;
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236
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237 # table body
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238 push @sql, map { formatColumn($_,$level+1) } $table->Columns ;
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239 if ($options{'skip_foreign_keys'}) {
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240 push @sql, map { formatConstraint($_,$level+1) } grep {not UNIVERSAL::isa($_,'IMPL::SQL::Schema::Constraint::ForeignKey')} values %{$table->Constraints};
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241 } else {
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242 push @sql, map { formatConstraint($_,$level+1) } values %{$table->Constraints};
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243 }
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244
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245 for(my $i = 0 ; $i < @sql -1; $i++) {
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246 $sql[$i] .= ',';
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247 }
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248
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249 unshift @sql, "CREATE TABLE ".quote_names($table->Name)."(";
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250
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251 if ($table->Tag) {
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252 push @sql, ")";
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253 push @sql, formatTableTag($table->Tag,$level);
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254 $sql[$#sql].=';';
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255 } else {
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256 push @sql, ');';
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257 }
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258
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259 return map { ("\t" x $level) . $_ } @sql;
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260 }
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261
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262 sub formatDropTable {
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263 my ($tableName,$level) = @_;
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264
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265 return "\t"x$level."DROP TABLE ".quote_names($tableName).";";
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266 }
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267
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268 sub formatTableTag {
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269 my ($tag,$level) = @_;
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270 return map { "\t"x$level . "$_ = ".$tag->{$_} } grep {/^(ENGINE)$/i} keys %{$tag};
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271 }
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272
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273 sub formatColumn {
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274 my ($column,$level) = @_;
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275 $level ||= 0;
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276 return "\t"x$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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277 }
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278
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279 sub formatType {
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280 my ($type) = @_;
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281 my $format = $TypesFormat{uc $type->Name} or die new Exception('The unknown type name',$type->Name);
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282 $format->{formatType}->($type);
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283 }
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284
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285 sub formatValueToType {
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286 my ($value,$type) = @_;
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287
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288 my $format = $TypesFormat{uc $type->Name} or die new Exception('The unknown type name',$type->Name);
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289 $format->{formatValue}->($value);
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290 }
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291
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292 sub formatConstraint {
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293 my ($constraint,$level) = @_;
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294
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295 if (UNIVERSAL::isa($constraint,'IMPL::SQL::Schema::Constraint::ForeignKey')) {
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296 return formatForeignKey($constraint,$level);
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297 } else {
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298 return formatIndex($constraint, $level);
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299 }
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300 }
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301
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302 sub formatIndex {
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303 my ($constraint,$level) = @_;
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304
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305 my $name = quote_names($constraint->Name);
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306 my $columns = join(',',map quote_names($_->Name),$constraint->Columns);
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307
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308 if (ref $constraint eq 'IMPL::SQL::Schema::Constraint::PrimaryKey') {
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309 return "\t"x$level."PRIMARY KEY ($columns)";
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310 } elsif ($constraint eq 'IMPL::SQL::Schema::Constraint::Unique') {
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311 return "\t"x$level."UNIQUE $name ($columns)";
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312 } elsif ($constraint eq 'IMPL::SQL::Schema::Constraint::Index') {
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313 return "\t"x$level."INDEX $name ($columns)";
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314 } else {
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315 die new IMPL::InvalidArgumentException('The unknown constraint', ref $constraint);
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316 }
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317
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318 }
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319
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320 sub formatForeignKey {
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321 my ($constraint,$level) = @_;
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322
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323 my $name = quote_names($constraint->Name);
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324 my $columns = join(',',map quote_names($_->Name),$constraint->Columns);
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325
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326 not $constraint->OnDelete or grep { uc $constraint->OnDelete eq $_ } ('RESTRICT','CASCADE','SET NULL','NO ACTION','SET DEFAULT') or die new IMPL::Exception('Invalid ON DELETE reference',$constraint->OnDelete);
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327 not $constraint->OnUpdate or grep { uc $constraint->OnUpdate eq $_ } ('RESTRICT','CASCADE','SET NULL','NO ACTION','SET DEFAULT') or die new IMPL::Exception('Invalid ON UPDATE reference',$constraint->OnUpdate);
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328
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329 my $refname = quote_names($constraint->ReferencedPrimaryKey->Table->Name);
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330 my $refcolumns = join(',',map quote_names($_->Name),$constraint->ReferencedPrimaryKey->Columns);
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331 return (
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332 "\t"x$level.
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333 "CONSTRAINT $name FOREIGN KEY $name ($columns) REFERENCES $refname ($refcolumns)".
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334 ($constraint->OnUpdate ? 'ON UPDATE'.$constraint->OnUpdate : '').
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335 ($constraint->OnDelete ? 'ON DELETE'.$constraint->OnDelete : '')
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336 );
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337 }
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338
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339 sub formatAlterTableRename {
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340 my ($oldName,$newName,$level) = @_;
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341
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342 return "\t"x$level."ALTER TABLE ".quote_names($oldName)." RENAME TO ".quote_names($newName).";";
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343 }
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344
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345 sub formatAlterTableDropColumn {
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346 my ($tableName, $columnName,$level) = @_;
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347
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348 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." DROP COLUMN ".quote_names($columnName).";";
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349 }
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350
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351 =pod
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352 ALTER TABLE `test`.`user` ADD COLUMN `my_col` VARCHAR(45) NOT NULL AFTER `name2`
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353 =cut
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354 sub formatAlterTableAddColumn {
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355 my ($tableName, $column, $table, $pos, $level) = @_;
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356
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357 my $posSpec = $pos == 0 ? 'FIRST' : 'AFTER '.quote_names($table->ColumnAt($pos-1)->Name);
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358
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359 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." ADD COLUMN ".formatColumn($column) .' '. $posSpec.";";
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360 }
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361
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362 =pod
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363 ALTER TABLE `test`.`manager` MODIFY COLUMN `description` VARCHAR(256) NOT NULL DEFAULT NULL;
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364 =cut
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365 sub formatAlterTableChangeColumn {
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366 my ($tableName,$column,$table,$pos,$level) = @_;
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367 my $posSpec = $pos == 0 ? 'FIRST' : 'AFTER '.quote_names($table->ColumnAt($pos-1)->Name);
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368 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." MODIFY COLUMN ".formatColumn($column).' '. $posSpec.";";
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369 }
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370
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371 =pod
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372 ALTER TABLE `test`.`manager` DROP INDEX `Index_2`;
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373 =cut
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374 sub formatAlterTableDropConstraint {
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375 my ($tableName,$constraint,$level) = @_;
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376 my $constraintName;
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377 if (ref $constraint eq 'IMPL::SQL::Schema::Constraint::PrimaryKey') {
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378 $constraintName = 'PRIMARY KEY';
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379 } elsif (ref $constraint eq 'IMPL::SQL::Schema::Constraint::ForeignKey') {
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380 $constraintName = 'FOREIGN KEY '.quote_names($constraint->Name);
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381 } elsif (UNIVERSAL::isa($constraint,'IMPL::SQL::Schema::Constraint::Index')) {
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382 $constraintName = 'INDEX '.quote_names($constraint->Name);
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383 } else {
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384 die new IMPL::Exception("The unknow type of the constraint",ref $constraint);
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385 }
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386 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." DROP $constraintName;";
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387 }
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388
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389 =pod
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390 ALTER TABLE `test`.`session` ADD INDEX `Index_2`(`id`, `name`);
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391 =cut
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392 sub formatAlterTableAddConstraint {
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393 my ($tableName,$constraint,$level) = @_;
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394
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395 return "\t"x$level."ALTER TABLE ".quote_names($tableName)." ADD ".formatConstraint($constraint,0).';';
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396 }
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397
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398 sub CreateTable {
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399 my ($this,$tbl,%option) = @_;
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400
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401 push @{$this->{$SqlBatch}},join("\n",formatCreateTable($tbl,0,%option));
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402
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403 return 1;
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404 }
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405
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406 sub DropTable {
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407 my ($this,$tbl) = @_;
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408
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409 push @{$this->{$SqlBatch}},join("\n",formatDropTable($tbl,0));
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410
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411 return 1;
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412 }
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413
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414 sub RenameTable {
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415 my ($this,$oldName,$newName) = @_;
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416
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417 push @{$this->{$SqlBatch}},join("\n",formatAlterTableRename($oldName,$newName,0));
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418
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419 return 1;
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420 }
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421
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422 sub AlterTableAddColumn {
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423 my ($this,$tblName,$column,$table,$pos) = @_;
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424
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425 push @{$this->{$SqlBatch}},join("\n",formatAlterTableAddColumn($tblName,$column,$table,$pos,0));
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426
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427 return 1;
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428 }
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429 sub AlterTableDropColumn {
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430 my ($this,$tblName,$columnName) = @_;
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431
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432 push @{$this->{$SqlBatch}},join("\n",formatAlterTableDropColumn($tblName,$columnName,0));
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433
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434 return 1;
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435 }
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436
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437 sub AlterTableChangeColumn {
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438 my ($this,$tblName,$column,$table,$pos) = @_;
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439
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440 push @{$this->{$SqlBatch}},join("\n",formatAlterTableChangeColumn($tblName,$column,$table,$pos,0));
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441
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442 return 1;
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443 }
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444
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445 sub AlterTableAddConstraint {
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446 my ($this,$tblName,$constraint) = @_;
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447
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448 push @{$this->{$SqlBatch}},join("\n",formatAlterTableAddConstraint($tblName,$constraint,0));
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449
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450 return 1;
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451 }
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452
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453 sub AlterTableDropConstraint {
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454 my ($this,$tblName,$constraint) = @_;
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455
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456 push @{$this->{$SqlBatch}},join("\n",formatAlterTableDropConstraint($tblName,$constraint,0));
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457
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458 return 1;
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459 }
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460
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461 sub Sql {
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462 my ($this) = @_;
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463 if (wantarray) {
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464 $this->SqlBatch;
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465 } else {
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466 return join("\n",$this->SqlBatch);
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467 }
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468 }
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469
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470 package IMPL::SQL::Schema::Traits::mysql;
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471 use Common;
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472 use base qw(IMPL::SQL::Schema::Traits);
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473 use IMPL::Class::Property;
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474 use IMPL::Class::Property::Direct;
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475
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476 BEGIN {
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477 public _direct property PendingConstraints => prop_none;
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478 }
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479
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480 sub CTOR {
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481 my ($this,%args) = @_;
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482
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483 $args{'Handler'} = new IMPL::SQL::Schema::Traits::mysql::Handler;
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484 $this->SUPER::CTOR(%args);
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485 }
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486
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487 sub DropConstraint {
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488 my ($this,$constraint) = @_;
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489
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490 if (UNIVERSAL::isa($constraint,'IMPL::SQL::Schema::Constraint::Index')) {
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491 return 1 if not grep { $this->TableInfo->{$this->MapTableName($constraint->Table->Name)}->{'Columns'}->{$_->Name} != IMPL::SQL::Schema::Traits::STATE_REMOVED} $constraint->Columns;
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492 my @constraints = grep {$_ != $constraint } $constraint->Table->GetColumnConstraints($constraint->Columns);
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493 if (scalar @constraints == 1 and UNIVERSAL::isa($constraints[0],'IMPL::SQL::Schema::Constraint::ForeignKey')) {
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494 my $fk = shift @constraints;
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495 if ($this->TableInfo->{$this->MapTableName($fk->Table->Name)}->{'Constraints'}->{$fk->Name} != IMPL::SQL::Schema::Traits::STATE_REMOVED) {
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496 push @{$this->PendingActions}, {Action => \&DropConstraint, Args => [$constraint]};
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|
497 $this->{$PendingConstraints}->{$constraint->UniqName}->{'attempts'} ++;
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|
|
498
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|
499 die new IMPL::Exception('Can\'t drop the primary key becouse of the foreing key',$fk->UniqName) if $this->{$PendingConstraints}->{$constraint->UniqName}->{'attempts'} > 2;
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500 return 2;
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|
|
501 }
|
|
|
502 }
|
|
|
503 }
|
|
|
504 $this->SUPER::DropConstraint($constraint);
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|
|
505 }
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506
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|
507 sub GetMetaTable {
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|
508 my ($class,$dbh) = @_;
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|
|
509
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|
|
510 return IMPL::SQL::Schema::Traits::mysql::MetaTable->new( DBHandle => $dbh);
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|
|
511 }
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|
512
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|
|
513 package IMPL::SQL::Schema::Traits::mysql::MetaTable;
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514 use Common;
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|
515 use base qw(IMPL::Object);
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|
|
516 use IMPL::Class::Property;
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|
|
517 use IMPL::Class::Property::Direct;
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|
|
518
|
|
|
519 BEGIN {
|
|
|
520 public _direct property DBHandle => prop_none;
|
|
|
521 }
|
|
|
522
|
|
|
523 sub ReadProperty {
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|
|
524 my ($this,$name) = @_;
|
|
|
525
|
|
|
526 local $this->{$DBHandle}->{PrintError};
|
|
|
527 $this->{$DBHandle}->{PrintError} = 0;
|
|
|
528 my ($val) = $this->{$DBHandle}->selectrow_array("SELECT value FROM _Meta WHERE name like ?", undef, $name);
|
|
|
529 return $val;
|
|
|
530 }
|
|
|
531
|
|
|
532 sub SetProperty {
|
|
|
533 my ($this,$name,$val) = @_;
|
|
|
534
|
|
|
535 if ( $this->{$DBHandle}->selectrow_arrayref("SELECT TABLE_NAME FROM information_schema.`TABLES` T where TABLE_SCHEMA like DATABASE() and TABLE_NAME like '_Meta'")) {
|
|
|
536 if ($this->{$DBHandle}->selectrow_arrayref("SELECT name FROM _Meta WHERE name like ?", undef, $name)) {
|
|
|
537 $this->{$DBHandle}->do("UPDATE _Meta SET value = ? WHERE name like ?",undef,$val,$name);
|
|
|
538 } else {
|
|
|
539 $this->{$DBHandle}->do("INSERT INTO _Meta(name,value) VALUES ('$name',?)",undef,$val);
|
|
|
540 }
|
|
|
541 } else {
|
|
|
542 $this->{$DBHandle}->do(q{
|
|
|
543 CREATE TABLE `_Meta` (
|
|
|
544 `name` VARCHAR(255) NOT NULL,
|
|
|
545 `value` LONGTEXT NULL,
|
|
|
546 PRIMARY KEY(`name`)
|
|
|
547 );
|
|
|
548 }) or die new IMPL::Exception("Failed to create table","_Meta");
|
|
|
549
|
|
|
550 $this->{$DBHandle}->do("INSERT INTO _Meta(name,value) VALUES (?,?)",undef,$name,$val);
|
|
|
551 }
|
|
|
552 }
|
|
|
553
|
|
|
554 1;
|
