Created
April 7, 2017 19:14
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| <?php | |
| $dbname = 'test'; | |
| if (!$link = mysqli_connect('localhost', 'root', '', $dbname)) { | |
| echo 'Could not connect to mysql'; | |
| exit; | |
| } | |
| $sql = "SHOW TABLES FROM $dbname"; | |
| $result = mysqli_query($link, $sql); | |
| if (!$result) { | |
| echo "DB Error, could not list tables\n"; | |
| echo 'MySQL Error: ' . mysqli_error($link); | |
| exit; | |
| } | |
| while ($row = mysqli_fetch_row($result)) { | |
| echo "Table: {$row[0]}\n"; | |
| $colno = 0; | |
| $colsql = "SHOW COLUMNS FROM {$row[0]}"; | |
| $colres = mysqli_query($link, $colsql); | |
| if (!$colres) { | |
| echo "DB Error, could not list columns\n"; | |
| echo 'MySQL Error: ' . mysqli_error($link); | |
| exit; | |
| } | |
| while ($crow = mysqli_fetch_row($colres)) { | |
| if ($colno > 0 && preg_match('/^((is_(.+))|((created|updated|deleted)_(at|by))|((.+)_id))$/', $crow[0])) { | |
| $altsql = "ALTER TABLE `{$row[0]}` ADD INDEX(`{$crow[0]}`)"; | |
| $altres = mysqli_query($link, $altsql); | |
| if (!$altres) { | |
| echo "DB Error, could not add column index\n"; | |
| echo 'MySQL Error: ' . mysqli_error($link); | |
| exit; | |
| } | |
| echo "Column: {$crow[0]}\n"; | |
| } | |
| $colno++; | |
| } | |
| mysqli_free_result($colres); | |
| } | |
| mysqli_free_result($result); |
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