public static List<HiveColumnHandle> getPartitionKeyColumnHandles(
String connectorId, Table table, boolean forceIntegralToBigint) {
ImmutableList.Builder<HiveColumnHandle> columns = ImmutableList.builder();
List<Column> partitionKeys = table.getPartitionColumns();
for (Column field : partitionKeys) {
HiveType hiveType = field.getType();
if (!hiveType.isSupportedType()) {
throw new PrestoException(
NOT_SUPPORTED,
format(
"Unsupported Hive type %s found in partition keys of table %s.%s",
hiveType, table.getDatabaseName(), table.getTableName()));
}
columns.add(
new HiveColumnHandle(
connectorId,
field.getName(),
hiveType,
hiveType.getTypeSignature(forceIntegralToBigint),
-1,
PARTITION_KEY));
}
return columns.build();
}
public static List<HiveColumnHandle> getRegularColumnHandles(
String connectorId, Table table, boolean forceIntegralToBigint) {
ImmutableList.Builder<HiveColumnHandle> columns = ImmutableList.builder();
int hiveColumnIndex = 0;
for (Column field : table.getDataColumns()) {
// ignore unsupported types rather than failing
HiveType hiveType = field.getType();
if (hiveType.isSupportedType()) {
columns.add(
new HiveColumnHandle(
connectorId,
field.getName(),
hiveType,
hiveType.getTypeSignature(forceIntegralToBigint),
hiveColumnIndex,
REGULAR));
}
hiveColumnIndex++;
}
return columns.build();
}
public static boolean isPrestoView(Table table) {
return "true".equals(table.getParameters().get(PRESTO_VIEW_FLAG));
}