Total Complexity | 7 |
Total Lines | 42 |
Duplicated Lines | 0 % |
Changes | 0 |
1 | <?php |
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3 | class DynamoDBGrammar{ |
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4 | protected $operators = []; |
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5 | |||
6 | protected $params = []; |
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7 | |||
8 | // 表达式解析 where |
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9 | public function parseKeyConditionExpression(){ |
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10 | $expression = []; |
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11 | foreach ($this->wheres as $where) { |
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12 | $expression[] = "{$where['column']} {$where['operator']} {$where['value']}"; |
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13 | } |
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14 | |||
15 | return implode("and", $expression); |
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16 | |||
17 | } |
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18 | |||
19 | // select |
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20 | public function parseProjectionExpression() |
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21 | { |
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22 | if( reset($this->columns) != '*' ){ |
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23 | return implode(",", $this->columns); |
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24 | } |
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25 | return null; |
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26 | } |
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27 | |||
28 | // limit |
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29 | public function parseLimit(){ |
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30 | return $this->limit; |
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31 | } |
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32 | |||
33 | /** |
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34 | * Get the grammar specific operators. |
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35 | * |
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36 | * @return array |
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37 | */ |
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38 | public function getOperators() |
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39 | { |
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40 | return $this->operators; |
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41 | } |
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42 | |||
43 | public function all() |
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45 | |||
46 | } |
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47 | } |