private InternalTable buildColumns(
Session session, String catalogName, Map<String, SerializableNativeValue> filters) {
InternalTable.Builder table =
InternalTable.builder(informationSchemaTableColumns(TABLE_COLUMNS));
for (Entry<QualifiedTableName, List<ColumnMetadata>> entry :
getColumnsList(session, catalogName, filters).entrySet()) {
QualifiedTableName tableName = entry.getKey();
int ordinalPosition = 1;
for (ColumnMetadata column : entry.getValue()) {
if (column.isHidden()) {
continue;
}
table.add(
tableName.getCatalogName(),
tableName.getSchemaName(),
tableName.getTableName(),
column.getName(),
ordinalPosition,
null,
"YES",
column.getType().getDisplayName(),
column.isPartitionKey() ? "YES" : "NO",
column.getComment());
ordinalPosition++;
}
}
return table.build();
}
private static void assertPrimitiveField(
Map<String, ColumnMetadata> map, int position, String name, Type type, boolean partitionKey) {
assertTrue(map.containsKey(name));
ColumnMetadata column = map.get(name);
assertEquals(column.getOrdinalPosition(), position);
assertEquals(column.getType(), type, name);
assertEquals(column.isPartitionKey(), partitionKey, name);
}