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Code Duplication    Length = 4-5 lines in 5 locations

system/database/DB_query_builder.php 5 locations

@@ 1454-1458 (lines=5) @@
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			$this->set_insert_batch($set, '', $escape);
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		}
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		if (count($this->qb_set) === 0)
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		{
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			// No valid data array. Folds in cases where keys and values did not match up
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			return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
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		}
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		if ($table === '')
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		{
@@ 1641-1644 (lines=4) @@
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	 */
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	protected function _validate_insert($table = '')
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	{
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		if (count($this->qb_set) === 0)
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		{
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			return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
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		}
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		if ($table !== '')
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		{
@@ 1676-1679 (lines=4) @@
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			$this->set($set);
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		}
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		if (count($this->qb_set) === 0)
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		{
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			return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
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		}
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		if ($table === '')
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		{
@@ 1819-1822 (lines=4) @@
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	 */
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	protected function _validate_update($table)
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	{
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		if (count($this->qb_set) === 0)
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		{
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			return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
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		}
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		if ($table !== '')
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		{
@@ 1863-1866 (lines=4) @@
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			$this->set_update_batch($set, $index);
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		}
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		if (count($this->qb_set) === 0)
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		{
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			return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE;
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		}
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		if ($table === '')
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		{