<?php
<liu21st@gmail.com>
namespace think\db\builder;
use think\db\Builder;
class Pgsql extends Builder
{
protected $insertSql = 'INSERT INTO %TABLE% (%FIELD%) VALUES (%DATA%) %COMMENT%';
protected $insertAllSql = 'INSERT INTO %TABLE% (%FIELD%) %DATA% %COMMENT%';
public function parseLimit($limit)
{
$limitStr = '';
if (!empty($limit)) {
$limit = explode(',', $limit);
if (count($limit) > 1) {
$limitStr .= ' LIMIT ' . $limit[1] . ' OFFSET ' . $limit[0] . ' ';
} else {
$limitStr .= ' LIMIT ' . $limit[0] . ' ';
}
}
return $limitStr;
}
protected function parseKey($key, $options = [], $strict = false)
{
if (is_numeric($key)) {
return $key;
} elseif ($key instanceof Expression) {
return $key->getValue();
}
$key = trim($key);
if (strpos($key, '$.') && false === strpos($key, '(')) {
list($field, $name) = explode('$.', $key);
$key = $field . '->>\'' . $name . '\'';
} elseif (strpos($key, '.')) {
list($table, $key) = explode('.', $key, 2);
if ('__TABLE__' == $table) {
$table = $this->query->getTable();
}
if (isset($options['alias'][$table])) {
$table = $options['alias'][$table];
}
}
if (isset($table)) {
$key = $table . '.' . $key;
}
return $key;
}
protected function parseRand()
{
return 'RANDOM()';
}
}
