Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/613#discussion_r86275226
--- Diff:
exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillMetaImpl.java ---
@@ -61,77 +91,271 @@ private static Signature newSignature(String sql) {
sql,
Collections.<AvaticaParameter> emptyList(),
Collections.<String, Object>emptyMap(),
- CursorFactory.OBJECT);
+ null // CursorFactory set to null, as SQL requests use DrillCursor
+ );
}
- private MetaResultSet s(String s) {
- try {
- logger.debug("Running {}", s);
-
- AvaticaStatement statement = connection.createStatement();
- return MetaResultSet.create(connection.id, statement.getId(), true,
- newSignature(s), null);
- } catch (Exception e) {
- // Wrap in RuntimeException because Avatica's abstract method
declarations
- // didn't allow for SQLException!
- throw new DrillRuntimeException("Failure while attempting to get
DatabaseMetadata.", e);
+
+ /** Information about type mapping. */
+ private static class TypeInfo {
+ private static Map<Class<?>, TypeInfo> MAPPING =
ImmutableMap.<Class<?>, TypeInfo> builder()
+ .put(boolean.class, of(Types.BOOLEAN, "BOOLEAN"))
--- End diff --
Given this, how about `int.class` and others?
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