Code Duplication    Length = 9-9 lines in 2 locations

src/Phinx/Db/Adapter/SqlServerAdapter.php 2 locations

@@ 792-800 (lines=9) @@
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        foreach ($indexes as $indexName => $index) {
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            $a = array_diff($columns, $index['columns']);
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            if (empty($a)) {
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                $instructions->addPostStep(sprintf(
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                    'DROP INDEX %s ON %s',
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                    $this->quoteColumnName($indexName),
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                    $this->quoteTableName($tableName)
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                ));
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                return $instructions;
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            }
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        }
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        throw new InvalidArgumentException(sprintf(
@@ 820-828 (lines=9) @@
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        $instructions = new AlterInstructions();
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        foreach ($indexes as $name => $index) {
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            if ($name === $indexName) {
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                $instructions->addPostStep(sprintf(
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                    'DROP INDEX %s ON %s',
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                    $this->quoteColumnName($indexName),
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                    $this->quoteTableName($tableName)
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                ));
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                return $instructions;
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            }
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        }
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        throw new InvalidArgumentException(sprintf(