Erkan IŞIK
85 lines
1.8 KiB
PHP
85 lines
1.8 KiB
PHP
<?php namespace ZN\Database\Postgres;
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/**
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* ZN PHP Web Framework
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*
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* "Simplicity is the ultimate sophistication." ~ Da Vinci
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*
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* @package ZN
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* @license MIT [http://opensource.org/licenses/MIT]
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* @author Ozan UYKUN [ozan@znframework.com]
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*/
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use ZN\Database\DriverForge;
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class DBForge extends DriverForge
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{
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/**
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* Unsupported
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*/
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public function extras($extras)
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{
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return NULL;
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}
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/**
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* Modify Column
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*
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* @param string $table
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* @param array $column
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*
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* @return string
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*/
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public function modifyColumn($table, $column)
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{
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$col = key($column); $values = (array) current($column); $query = '';
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foreach( $values as $value )
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{
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$type = preg_match('/(NULL|DEFAULT|CONSTRAINT|EXISTS|UNIQUE|KEY|BIGSERIAL)/i', $value ?? '') ? 'SET' : 'TYPE';
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$query .= 'ALTER TABLE ' . $table . ' ALTER COLUMN ' . $this->buildForgeColumnsSyntax([$col => [$value]], $type) . ';';
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}
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return $query;
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}
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/**
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* Rename Column
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*
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* @param string $table
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* @param array $column
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*
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* @return string
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*/
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public function renameColumn($table, $column)
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{
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return 'ALTER TABLE '.$table.' RENAME COLUMN ' . $this->buildForgeColumnsSyntax($column, 'TO') . ';';
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}
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/**
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* Add Column
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*
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* @param string $table
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* @param array $column
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*
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* @return string
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*/
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public function addColumn($table, $columns)
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{
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return 'ALTER TABLE ' . $table . ' ADD ' . $this->buildForgeColumnsQuery($columns) . ';';
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}
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/**
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* Drop index
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*
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* @param string $indexName
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* @param string $table
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*
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* @return string
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*/
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public function dropIndex($indexName, $table)
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{
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return 'DROP INDEX ' . $indexName . ';';
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}
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} |