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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
select name, json_extract(details, '$.refurbished') refurbished_at from machine
where json_extract(details, '$.refurbished') is not null;
alter table machine add column acquired_at date;
update machine set acquired_at = details->>'acquired', details = json_remove(details, '$.acquired');
select * from machine;
select ident, acquired_at from machine order by ident;
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<?php
$query = "
select ident, acquired_at from machine order by ident;
";
// get DB version using PDO
$stmt = $pdo->prepare($query);
$stmt->execute();
$rows = $stmt->fetchAll(PDO::FETCH_NUM);
$columns = [];
for ($i = 0; $i < $stmt->columnCount(); $i++) {
$col = $stmt->getColumnMeta($i);
$columns[] = [
'header'=>$col['name'],
'pdo_type'=>$col['pdo_type']
];
}
echo json_encode([[
'headers' => $columns,
'data' => $rows
]],
JSON_PRETTY_PRINT
);
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