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Add a tool to convert SQL into table / 增加转换sql为表格的工具
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| <?php | ||
| /* | ||
| 存放一些转换的逻辑代码，比如从xx格式转成markdown格式 | ||
| */ | ||
|
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| namespace Api\Helper; | ||
| use PHPSQLParser\PHPSQLParser; | ||
|
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| class Convert { | ||
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| /** | ||
| * 转换 SQL 为 Markdown 表格 | ||
| */ | ||
| public function convertSqlToMarkdownTable($sql) | ||
| { | ||
|
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| $sql_array = $this->convertSqlToArray($sql); | ||
|
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| $headers = [ | ||
| ['字段', '类型', '允许空', '默认', '说明'], | ||
| ['---', '---', '---', '---', '---',], | ||
| ]; | ||
| $markdowns = $sql_array['fields'] ; | ||
| array_unshift($markdowns, ...$headers); | ||
|
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| $html = "\n- {$sql_array['table']} {$sql_array['comment']}\n\n" ; | ||
| foreach ($markdowns as $line) { | ||
| $html .= '| ' . implode(' | ', $line) . ' | ' . "\n"; | ||
| } | ||
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| return $html."\n"; | ||
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| } | ||
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| // 把sql转换成解析数组 | ||
| public function convertSqlToArray($sql){ | ||
| $return = array( | ||
| 'table'=>'',// 表名 | ||
| 'comment'=>'', // 注释 | ||
| 'fields'=>array() | ||
| ); | ||
|
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| try { | ||
| $parser = new PHPSQLParser(); | ||
| $parsed = $parser->parse($sql); | ||
|
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| if (!isset($parsed['CREATE'])) { | ||
| return null; | ||
| } | ||
|
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| // var_dump($parsed);exit(); | ||
|
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| if ($parsed['CREATE']['expr_type'] === 'table') { | ||
| $fields = $parsed['TABLE']['create-def']['sub_tree']; | ||
| $tableName = $parsed['TABLE']['base_expr']; // 表名 | ||
|
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| foreach ($fields as $field) { | ||
| if ($field['sub_tree'][0]['expr_type'] == 'constraint') { | ||
| continue; | ||
| } | ||
|
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| // 如果当前行不是列定义，则没有 sub_tree，比如 PRIMARY KEY(id) | ||
| if (!isset($field['sub_tree'][1]['sub_tree'])) { | ||
| continue; | ||
| } | ||
|
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| $type = $length = ''; | ||
| foreach ($field['sub_tree'][1]['sub_tree'] as $item) { | ||
| if ($item['expr_type'] == 'data-type') { | ||
| $type = $item['base_expr'] ?? ''; | ||
| $length = $item['length'] ?? ''; | ||
| } | ||
| } | ||
|
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| $name = $field['sub_tree'][0]['base_expr']; | ||
| $comment = trim($field['sub_tree'][1]['comment'] ?? '', "'"); | ||
| $nullable = $field['sub_tree'][1]['nullable'] ?? false; | ||
| $default = $field['sub_tree'][1]['default'] ?? ''; | ||
|
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| $type = empty($length) ? $type : "{$type} ($length)"; | ||
| $markdowns[] = [trim($name, '`'), $type, $nullable ? 'Y' : 'N',$default , $comment]; | ||
| $return['fields'][] = array( | ||
| 'name'=>trim($name, '`') , | ||
| 'type'=>$type , | ||
| 'nullable'=>$nullable ? '是' : '否' , | ||
| 'default'=>trim($default, "'") , | ||
| 'comment'=>$comment?$comment:'-' , | ||
| ); | ||
|
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| } | ||
|
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| $tableComment = ''; | ||
| $options = $parsed['TABLE']['options'] ?? []; | ||
| if (!$options || empty($options)) { | ||
| $options = []; | ||
| } | ||
|
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| foreach ($options as $option) { | ||
| $type = strtoupper($option['sub_tree'][0]['base_expr'] ?? ''); | ||
| if ($type === 'COMMENT') { | ||
| // var_dump($option['sub_tree']);exit(); | ||
| $tableComment = trim($option['sub_tree'][2]['base_expr'] ?? '', "'"); | ||
| break; | ||
| } | ||
| } | ||
| $return['table'] =trim($tableName, '`') ;// 表名 | ||
| $return['comment'] = $tableComment ;// 表注释 | ||
|
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| } | ||
| } catch (Exception $ex) { | ||
| return "{$ex->getMessage()} @{$ex->getFile()}:{$ex->getLine()}"; | ||
| } | ||
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| return $return ; | ||
|
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|
|
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| } | ||
|
|
||
| } |
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