Github user hsuanyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/489#discussion_r62118608
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/sql/TypeInferenceUtils.java
---
@@ -734,6 +772,41 @@ public static FunctionCall
convertSqlOperatorBindingToFunctionCall(final SqlOper
}
/**
+ * Based on whether decimal type is supported or not, this method
creates an ExplicitOperatorBinding which interprets
+ * the type of decimal literals accordingly.
+ */
+ public static SqlOperatorBinding convertDecimalLiteralToDouble(final
SqlOperatorBinding sqlOperatorBinding, final boolean isDecimalSupported) {
+ final List<RelDataType> types = Lists.newArrayList();
+ for(int i = 0; i < sqlOperatorBinding.getOperandCount(); ++i) {
+ final RelDataType relDataType;
+ if(isDecimalLiteral(sqlOperatorBinding, i) && !isDecimalSupported) {
+ relDataType = createCalciteTypeWithNullability(
+ sqlOperatorBinding.getTypeFactory(),
+ SqlTypeName.DOUBLE,
+ sqlOperatorBinding.getOperandType(i).isNullable());
+ } else {
+ relDataType = sqlOperatorBinding.getOperandType(i);
+ }
+ types.add(relDataType);
+ }
+ return new
ExplicitOperatorBinding(sqlOperatorBinding.getTypeFactory(),
sqlOperatorBinding.getOperator(), types);
--- End diff --
addressed.
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