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增加Expression类及相关方法

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thinkphp
2018-04-12 09:25:46 +08:00
parent 5d3c891a39
commit 8ae0fdef46
8 changed files with 169 additions and 19 deletions
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9
library/think/db/builder/Mysql.php
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@@ -86,13 +86,16 @@ class Mysql extends Builder
* @param array $options
* @return string
*/
protected function parseKey($key, $options = [])
protected function parseKey($key, $options = [], $strict = false)
{
if (is_int($key)) {
return $key;
}
$key = trim($key);
if (strpos($key, '$.') && false === strpos($key, '(')) {
// JSON字段支持
list($field, $name) = explode('$.', $key);
$key = 'json_extract(' . $field . ', \'$.' . $name . '\')';
return 'json_extract(' . $field . ', \'$.' . $name . '\')';
} elseif (strpos($key, '.') && !preg_match('/[,\'\"\(\)`\s]/', $key)) {
list($table, $key) = explode('.', $key, 2);
if ('__TABLE__' == $table) {
@@ -102,7 +105,7 @@ class Mysql extends Builder
$table = $options['alias'][$table];
}
}
if (!preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
if ($strict || !preg_match('/[,\'\"\*\(\)`.\s]/', $key)) {
$key = '`' . $key . '`';
}
if (isset($table)) {