method getKeys documentation in bbn\Db\Languages\Mysql
Returns the keys of the given table.
function(string $table)
{
if (!$this->check()) {
return null;
}
$r = [];
if ($full = $this->tableFullName($table)) {
$t = explode('.', $full);
[$db, $table] = $t;
$r = [];
$indexes = $this->getRows('SHOW INDEX FROM ' . $this->tableFullName($full, 1));
$keys = [];
$cols = [];
foreach ($indexes as $i => $index) {
$a = $this->getRow(
<<getRow(
<< [$index['Column_name']],
'ref_db' => isset($a, $a['ref_db']) ? $a['ref_db'] : null,
'ref_table' => isset($a, $a['ref_table']) ? $a['ref_table'] : null,
'ref_column' => isset($a, $a['ref_column']) ? $a['ref_column'] : null,
'constraint' => isset($b, $b['name']) ? $b['name'] : null,
'update' => isset($b, $b['update']) ? $b['update'] : null,
'delete' => isset($b, $b['delete']) ? $b['delete'] : null,
'unique' => $index['Non_unique'] ? 0 : 1,
];
} else {
$keys[$index['Key_name']]['columns'][] = $index['Column_name'];
$keys[$index['Key_name']]['ref_db'] = $keys[$index['Key_name']]['ref_table'] = $keys[$index['Key_name']]['ref_column'] = null;
}
if (!isset($cols[$index['Column_name']])) {
$cols[$index['Column_name']] = [$index['Key_name']];
} else {
$cols[$index['Column_name']][] = $index['Key_name'];
}
}
$r['keys'] = $keys;
$r['cols'] = $cols;
}
return $r;
}
Returns the keys of the given table. BBN is a suite of PHP and JS libraries and VueJS components - all open-source! bbn.io, build applications, the quick way
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