method createIndex documentation in bbn\Db\Languages\Sqlite
Creates an index
function(string $table, $column, bool $unique = false, $length = NULL, $order = NULL)
{
if (!\is_array($column)) {
$column = [$column];
}
$name = bbn\Str::encodeFilename($table);
foreach ($column as $i => $c){
if (!bbn\Str::checkName($c)) {
$this->error("Illegal column $c");
}
$name .= '_'.$c;
$column[$i] = '`'.$column[$i].'`';
if (!empty($length[$i]) && \is_int($length[$i]) && $length[$i] > 0) {
$column[$i] .= '('.$length[$i].')';
}
}
$name = bbn\Str::cut($name, 50);
if ($table = $this->tableFullName($table, 1)) {
$query = 'CREATE '.( $unique ? 'UNIQUE ' : '' )."INDEX `$name` ON $table ( ".implode(', ', $column);
if (($order === "ASC") || ($order === "DESC")) {
$query .= ' '. $order .' );';
}
else {
$query .= ' );';
}
X::log(['index', $query],'vito');
return (bool)$this->rawQuery($query);
}
return false;
}
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