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db_verify::getIndex(): Support index_col_name optional parts

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In the MariaDB `CREATE TABLE` [`index_definition`](https://mariadb.com/kb/en/create-table/#index-definitions),
 the `index_col_name` could have an optional length and a sort order:

```
index_definition:
    {INDEX|KEY} [index_name] [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} {FULLTEXT|SPATIAL} [INDEX|KEY] [index_name] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] PRIMARY KEY [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] UNIQUE [INDEX|KEY] [index_name] [index_type] (index_col_name,...) [index_option] ...
  {{{|}}} [CONSTRAINT [symbol]] FOREIGN KEY [index_name] (index_col_name,...) reference_definition

index_col_name:
    col_name [(length)] [ASC | DESC]

index_type:
    USING {BTREE | HASH | RTREE}

index_option:
    [ KEY_BLOCK_SIZE [=] value
  {{{|}}} index_type
  {{{|}}} WITH PARSER parser_name
  {{{|}}} COMMENT 'string'
  {{{|}}} CLUSTERING={YES| NO} ]
  [ IGNORED | NOT IGNORED ]

reference_definition:
    REFERENCES tbl_name (index_col_name,...)
      [MATCH FULL | MATCH PARTIAL | MATCH SIMPLE]
      [ON DELETE reference_option]
      [ON UPDATE reference_option]

reference_option:
    RESTRICT | CASCADE | SET NULL | NO ACTION
```

`db_verify::getIndex()` didn't handle this possibility, leading to a
database validity check failure despite the index actually existing.

Fixes: https://github.com/e107inc/e107/issues/5054
This commit is contained in:
Nick Liu
2023-08-02 15:03:23 +02:00
parent 5ff319cd5c
commit b623868756
2 changed files with 49 additions and 3 deletions
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5
e107_handlers/db_verify_class.php
View File

@@ -1065,9 +1065,8 @@ class db_verify
*/
function getIndex($data, $print = false)
{
// $regex = "/(?:(PRIMARY|UNIQUE|FULLTEXT))?[\s]*?KEY (?: ?`?([\w]*)`?)[\s]* ?(?:\([\s]?`?([\w,]*[\s]?)`?\))?,?/i";
// $regex = "/(?:(PRIMARY|UNIQUE|FULLTEXT|FOREIGN))?[\s]*?KEY (?: ?`?([\w]*)`?)[\s]* ?(?:\([\s]?([\w\s,`]*[\s]?)`?\))?,?/i";
$regex = "/(?:(PRIMARY|UNIQUE|FULLTEXT|FOREIGN))?[\s]*?(INDEX|KEY) (?: ?`?([\w]*)`?)[\s]* ?(?:\([\s]?([\w\s,`]*[\s]?)`?\))?,?/i";
$regex = "/(PRIMARY|UNIQUE|FULLTEXT|FOREIGN)?[\s]*?(INDEX|KEY)[\s]*(?:`?([\w]*)`?)?[\s]*?\(`?([\w]+)`?(?:\s*\(\d+\))?(?:\s*(ASC|DESC))?\)[\s]*,?/i";
preg_match_all($regex,$data,$m);
if (count($m) > 0)