|
8 | 8 | */ |
9 | 9 | namespace SqlParser\Statements; |
10 | 10 |
|
| 11 | +use SqlParser\Parser; |
| 12 | +use SqlParser\Token; |
| 13 | +use SqlParser\TokensList; |
11 | 14 | use SqlParser\Statement; |
| 15 | +use SqlParser\Statements\SelectStatement; |
12 | 16 | use SqlParser\Components\IntoKeyword; |
13 | 17 | use SqlParser\Components\Array2d; |
14 | | -use SqlParser\Components\ArrayObj; |
| 18 | +use SqlParser\Components\OptionsArray; |
| 19 | +use SqlParser\Components\SetOperation; |
15 | 20 |
|
16 | 21 | /** |
17 | 22 | * `INSERT` statement. |
@@ -77,17 +82,190 @@ class InsertStatement extends Statement |
77 | 82 | /** |
78 | 83 | * Values to be inserted. |
79 | 84 | * |
80 | | - * @var ArrayObj[] |
| 85 | + * @var Array2d |
81 | 86 | */ |
82 | 87 | public $values; |
83 | 88 |
|
| 89 | + /** |
| 90 | + * If SET clause is present |
| 91 | + * holds the SetOperation |
| 92 | + * |
| 93 | + * @var SetOperation[] |
| 94 | + */ |
| 95 | + public $set; |
| 96 | + |
| 97 | + /** |
| 98 | + * If SELECT clause is present |
| 99 | + * holds the SelectStatement |
| 100 | + * |
| 101 | + * @var SelectStatement |
| 102 | + */ |
| 103 | + public $select; |
| 104 | + |
| 105 | + /** |
| 106 | + * If ON DUPLICATE KEY UPDATE clause is present |
| 107 | + * holds the SetOperation |
| 108 | + * |
| 109 | + * @var SetOperation[] |
| 110 | + */ |
| 111 | + public $onDuplicateSet; |
| 112 | + |
84 | 113 | /** |
85 | 114 | * @return string |
86 | 115 | */ |
87 | 116 | public function build() |
88 | 117 | { |
89 | | - return 'INSERT ' . $this->options |
90 | | - . ' INTO ' . $this->into |
91 | | - . ' VALUES ' . ArrayObj::build($this->values); |
| 118 | + $ret = 'INSERT ' . $this->options |
| 119 | + . ' INTO ' . $this->into; |
| 120 | + |
| 121 | + if ($this->values != NULL && count($this->values) > 0) { |
| 122 | + $ret .= ' VALUES ' . Array2d::build($this->values); |
| 123 | + } elseif ($this->set != NULL && count($this->set) > 0) { |
| 124 | + $ret .= ' SET ' . SetOperation::build($this->set); |
| 125 | + } elseif ($this->select != NULL && count($this->select) > 0) { |
| 126 | + $ret .= ' ' . $this->select->build(); |
| 127 | + } |
| 128 | + |
| 129 | + if ($this->onDuplicateSet != NULL && count($this->onDuplicateSet) > 0) { |
| 130 | + $ret .= ' ON DUPLICATE KEY UPDATE ' . SetOperation::build($this->onDuplicateSet); |
| 131 | + } |
| 132 | + |
| 133 | + return $ret; |
| 134 | + |
| 135 | + } |
| 136 | + |
| 137 | + |
| 138 | + /** |
| 139 | + * @param Parser $parser The instance that requests parsing. |
| 140 | + * @param TokensList $list The list of tokens to be parsed. |
| 141 | + * |
| 142 | + * @return void |
| 143 | + */ |
| 144 | + public function parse(Parser $parser, TokensList $list) |
| 145 | + { |
| 146 | + ++$list->idx; // Skipping `INSERT`. |
| 147 | + |
| 148 | + // parse any options if provided |
| 149 | + $this->options = OptionsArray::parse( |
| 150 | + $parser, |
| 151 | + $list, |
| 152 | + static::$OPTIONS |
| 153 | + ); |
| 154 | + ++$list->idx; |
| 155 | + |
| 156 | + $token = $list->tokens[$list->idx]; |
| 157 | + |
| 158 | + /** |
| 159 | + * The state of the parser. |
| 160 | + * |
| 161 | + * Below are the states of the parser. |
| 162 | + * |
| 163 | + * 0 ---------------------------------[ INTO ]----------------------------------> 1 |
| 164 | + * |
| 165 | + * 1 -------------------------[ VALUES/VALUE/SET/SELECT ]-----------------------> 2 |
| 166 | + * |
| 167 | + * 2 -------------------------[ ON DUPLICATE KEY UPDATE ]-----------------------> 3 |
| 168 | + * |
| 169 | + * @var int $state |
| 170 | + */ |
| 171 | + $state = 0; |
| 172 | + |
| 173 | + /** |
| 174 | + * For keeping track of semi-states on encountering |
| 175 | + * ON DUPLICATE KEY UPDATE ... |
| 176 | + * |
| 177 | + */ |
| 178 | + $miniState = 0; |
| 179 | + |
| 180 | + for (; $list->idx < $list->count; ++$list->idx) { |
| 181 | + /** |
| 182 | + * Token parsed at this moment. |
| 183 | + * |
| 184 | + * @var Token $token |
| 185 | + */ |
| 186 | + $token = $list->tokens[$list->idx]; |
| 187 | + |
| 188 | + // End of statement. |
| 189 | + if ($token->type === Token::TYPE_DELIMITER) { |
| 190 | + break; |
| 191 | + } |
| 192 | + |
| 193 | + // Skipping whitespaces and comments. |
| 194 | + if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) { |
| 195 | + continue; |
| 196 | + } |
| 197 | + |
| 198 | + if ($state === 0) { |
| 199 | + if ($token->type === Token::TYPE_KEYWORD |
| 200 | + && $token->value !== 'INTO' |
| 201 | + ) { |
| 202 | + $parser->error(__('Unexpected keyword.'), $token); |
| 203 | + break; |
| 204 | + } else { |
| 205 | + ++$list->idx; |
| 206 | + $this->into = IntoKeyword::parse($parser, $list); |
| 207 | + } |
| 208 | + |
| 209 | + $state = 1; |
| 210 | + } elseif ($state === 1) { |
| 211 | + if ($token->type === Token::TYPE_KEYWORD) { |
| 212 | + if ($token->value === 'VALUE' |
| 213 | + || $token->value === 'VALUES' |
| 214 | + ) { |
| 215 | + ++$list->idx; // skip VALUES |
| 216 | + |
| 217 | + $this->values = Array2d::parse($parser, $list); |
| 218 | + } elseif ($token->value === 'SET') { |
| 219 | + ++$list->idx; // skip SET |
| 220 | + |
| 221 | + $this->set = SetOperation::parse($parser, $list); |
| 222 | + } elseif ($token->value === 'SELECT') { |
| 223 | + $this->select = new SelectStatement($parser, $list); |
| 224 | + } else { |
| 225 | + $parser->error( |
| 226 | + __('Unexpected keyword.'), |
| 227 | + $token |
| 228 | + ); |
| 229 | + break; |
| 230 | + } |
| 231 | + $state = 2; |
| 232 | + $miniState = 1; |
| 233 | + } else { |
| 234 | + $parser->error( |
| 235 | + __('Unexpected token.'), |
| 236 | + $token |
| 237 | + ); |
| 238 | + break; |
| 239 | + } |
| 240 | + } elseif ($state == 2) { |
| 241 | + $lastCount = $miniState; |
| 242 | + |
| 243 | + if ($miniState === 1 && $token->value === 'ON') { |
| 244 | + $miniState++; |
| 245 | + } elseif ($miniState === 2 && $token->value === 'DUPLICATE') { |
| 246 | + $miniState++; |
| 247 | + } elseif ($miniState === 3 && $token->value === 'KEY') { |
| 248 | + $miniState++; |
| 249 | + } elseif ($miniState === 4 && $token->value === 'UPDATE') { |
| 250 | + $miniState++; |
| 251 | + } |
| 252 | + |
| 253 | + if ($lastCount === $miniState) { |
| 254 | + $parser->error( |
| 255 | + __('Unexpected token.'), |
| 256 | + $token |
| 257 | + ); |
| 258 | + break; |
| 259 | + } |
| 260 | + |
| 261 | + if ($miniState === 5) { |
| 262 | + ++$list->idx; |
| 263 | + $this->onDuplicateSet = SetOperation::parse($parser, $list); |
| 264 | + $state = 3; |
| 265 | + } |
| 266 | + } |
| 267 | + } |
| 268 | + |
| 269 | + --$list->idx; |
92 | 270 | } |
93 | 271 | } |
0 commit comments