11 if ($this->hasTable(
'river')) {
12 $table = $this->table(
'river');
14 if (
$table->hasColumn(
'type')) {
15 $table->removeColumn(
'type');
18 if (
$table->hasColumn(
'subtype')) {
19 $table->removeColumn(
'subtype');
22 if (
$table->hasColumn(
'access_id')) {
23 $table->removeColumn(
'access_id');
change()
Drops type and subtype columns from the river table.