Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/377#discussion_r53537111
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillConstExecutor.java
---
@@ -98,11 +98,37 @@
// - CHAR, SYMBOL, MULTISET, DISTINCT, STRUCTURED, ROW, OTHER,
CURSOR, COLUMN_LIST
.build();
+ private static ImmutableMap<SqlTypeName, TypeProtos.MinorType>
CALCITE_TO_DRILL_MAPPING =
+ ImmutableMap.<SqlTypeName, TypeProtos.MinorType> builder()
+ .put(SqlTypeName.INTEGER, TypeProtos.MinorType.INT)
+ .put(SqlTypeName.BIGINT, TypeProtos.MinorType.BIGINT)
+ .put(SqlTypeName.FLOAT, TypeProtos.MinorType.FLOAT4)
+ .put(SqlTypeName.DOUBLE, TypeProtos.MinorType.FLOAT8)
+ .put(SqlTypeName.VARCHAR, TypeProtos.MinorType.VARCHAR)
+ .put(SqlTypeName.BOOLEAN, TypeProtos.MinorType.BIT)
+ .put(SqlTypeName.DATE, TypeProtos.MinorType.DATE)
+ .put(SqlTypeName.TIME, TypeProtos.MinorType.TIME)
+ .put(SqlTypeName.TIMESTAMP, TypeProtos.MinorType.TIMESTAMP)
+ .put(SqlTypeName.VARBINARY, TypeProtos.MinorType.VARBINARY)
+ .put(SqlTypeName.INTERVAL_YEAR_MONTH,
TypeProtos.MinorType.INTERVALYEAR)
+ .put(SqlTypeName.INTERVAL_DAY_TIME,
TypeProtos.MinorType.INTERVALDAY)
+ //.put(SqlTypeName.MAP, TypeProtos.MinorType.MAP)
+ //.put(SqlTypeName.ARRAY, TypeProtos.MinorType.LIST)
+ .put(SqlTypeName.CHAR, TypeProtos.MinorType.VARCHAR)
+ // (2) Avoid late binding
+ .put(SqlTypeName.ANY, TypeProtos.MinorType.LATE)
+ // (3) These 2 types are defined in the Drill type system but
have been turned off for now
+ // .put(SqlTypeName.TINYINT, TypeProtos.MinorType.TINYINT)
+ // .put(SqlTypeName.SMALLINT, TypeProtos.MinorType.SMALLINT)
+ // (4) Calcite types currently not supported by Drill, nor
defined in the Drill type list:
+ // - SYMBOL, MULTISET, DISTINCT, STRUCTURED, ROW, OTHER,
CURSOR, COLUMN_LIST
+ .build();
+
// This is a list of all types that cannot be folded at planning time
for various reasons, most of the types are
// currently not supported at all. The reasons for the others can be
found in the evaluation code in the reduce method
public static final List<Object> NON_REDUCIBLE_TYPES =
ImmutableList.builder().add(
// cannot represent this as a literal according to calcite
- TypeProtos.MinorType.INTERVAL,
+ // TypeProtos.MinorType.INTERVAL,
--- End diff --
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