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<?php |
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/* |
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* The MIT License |
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* |
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* Copyright 2014-2018 James Ekow Abaka Ainooson |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace ntentan\nibii; |
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class QueryEngine |
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{ |
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private $db; |
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public function setDriver($driver) |
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{ |
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$this->db = $driver; |
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} |
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/** |
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* Generates an SQL insert query string for the model based on the fields |
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* currently stored in the model. |
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* |
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* @param RecordWrapper $model |
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* |
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* @return string |
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*/ |
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public function getInsertQuery($model) |
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{ |
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$data = $model->getData(); |
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$table = $model->getDBStoreInformation()['quoted_table']; |
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$fields = array_keys($data[0]); |
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$quotedFields = []; |
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$valueFields = []; |
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foreach ($fields as $field) { |
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$quotedFields[] = $this->db->quoteIdentifier($field); |
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$valueFields[] = ":{$field}"; |
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} |
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return 'INSERT INTO '.$table. |
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' ('.implode(', ', $quotedFields).') VALUES ('.implode(', ', $valueFields).')'; |
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} |
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public function getBulkUpdateQuery($data, $parameters) |
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{ |
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$updateData = []; |
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foreach ($data as $field => $value) { |
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$updateData[] = "{$this->db->quoteIdentifier($field)} = :$field"; |
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} |
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return sprintf( |
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'UPDATE %s SET %s %s', |
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$parameters->getTable(), |
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implode(', ', $updateData), |
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$parameters->getWhereClause() |
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); |
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} |
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/** |
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* Generates an SQL update query string for the model based on the data |
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* currently stored in the model. |
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* |
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* @param RecordWrapper $model |
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* |
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* @return string |
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*/ |
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public function getUpdateQuery($model) |
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{ |
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$data = $model->getData(); |
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$fields = array_keys($data[0]); |
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$valueFields = []; |
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$conditions = []; |
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$primaryKey = $model->getDescription()->getPrimaryKey(); |
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foreach ($fields as $field) { |
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$quotedField = $this->db->quoteIdentifier($field); |
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if (array_search($field, $primaryKey) !== false) { |
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$conditions[] = "{$quotedField} = :{$field}"; |
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} else { |
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$valueFields[] = "{$quotedField} = :{$field}"; |
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} |
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} |
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return 'UPDATE '. |
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$model->getDBStoreInformation()['quoted_table']. |
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' SET '.implode(', ', $valueFields). |
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' WHERE '.implode(' AND ', $conditions); |
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} |
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public function getSelectQuery($parameters) |
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{ |
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return sprintf( |
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'SELECT %s FROM %s%s%s%s%s', |
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$parameters->getFields(), |
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$parameters->getTable(), |
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$parameters->getWhereClause(), |
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$parameters->getSorts(), |
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$parameters->getLimit(), |
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$parameters->getOffset() |
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); |
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} |
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public function getCountQuery($parameters) |
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{ |
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return sprintf( |
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'SELECT count(*) as count FROM %s%s', |
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$parameters->getTable(), |
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$parameters->getWhereClause() |
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); |
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} |
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public function getDeleteQuery($parameters) |
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{ |
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return sprintf( |
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'DELETE FROM %s%s', |
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$parameters->getTable(), |
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$parameters->getWhereClause() |
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); |
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} |
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} |
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ntentan /
nibii
