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Do not allow null timestamp values in sensor data table.

This commit is contained in:
Michael Stenta 2019-01-26 11:20:24 -05:00
parent 98bc508e3d
commit b8489b3ac0
1 changed files with 28 additions and 0 deletions
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28
modules/farm/farm_sensor/farm_sensor_listener/farm_sensor_listener.install
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@ -22,6 +22,8 @@ function farm_sensor_listener_schema() {
'timestamp' => array(
'description' => 'Timestamp of the sensor reading',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
),
'name' => array(
'description' => 'Sensor reading name',
@ -52,3 +54,29 @@ function farm_sensor_listener_schema() {
);
return $schema;
}
/**
* Do not allow null timestamp values in sensor data table.
*/
function farm_sensor_listener_update_7000(&$sandbox) {
// Drop the index.
db_drop_index('farm_sensor_data', 'timestamp');
// Set all NULL values to 0.
db_query('UPDATE {farm_sensor_data} SET timestamp = 0 WHERE timestamp IS NULL');
// Change the field.
$timestamp = array(
'description' => 'Timestamp of the sensor reading',
'type' => 'int',
'not null' => TRUE,
'default' => 0,
);
$timestamp_keys = array(
'indexes' => array(
'timestamp' => array('timestamp'),
),
);
db_change_field('farm_sensor_data', 'timestamp', 'timestamp', $timestamp, $timestamp_keys);
}