alterColumnUniqueness method
Implementation
List<String> alterColumnUniqueness(SchemaTable table, SchemaColumn column) {
if (column.isUnique!) {
return ["ALTER TABLE ${table.name} ADD UNIQUE (${column.name})"];
} else {
return [
"ALTER TABLE ${table.name} DROP CONSTRAINT ${_uniqueKeyName(table.name, column)}"
];
}
}