Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
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9 | class OracleProcessor extends Processor |
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10 | { |
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11 | /** |
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12 | * Process an "insert get ID" query. |
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13 | * |
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14 | * @param Builder $query |
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15 | * @param string $sql |
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16 | * @param array $values |
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17 | * @param string $sequence |
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18 | * @return int |
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19 | */ |
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20 | public function processInsertGetId(Builder $query, $sql, $values, $sequence = null) |
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36 | |||
37 | /** |
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38 | * Get prepared statement. |
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39 | * |
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40 | * @param Builder $query |
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41 | * @param string $sql |
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42 | * @return \PDOStatement | \Yajra\Pdo\Oci8 |
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43 | */ |
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44 | private function prepareStatement(Builder $query, $sql) |
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51 | /** |
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52 | * save Query with Blob returning primary key value |
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53 | * |
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54 | * @param Builder $query |
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55 | * @param string $sql |
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56 | * @param array $values |
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57 | * @param array $binaries |
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58 | * @return int |
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59 | */ |
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60 | public function saveLob(Builder $query, $sql, array $values, array $binaries) |
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89 | } |
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90 |
If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: