joshelser commented on a change in pull request #150:
URL: https://github.com/apache/calcite-avatica/pull/150#discussion_r698103594
##########
File path:
core/src/main/java/org/apache/calcite/avatica/util/AbstractCursor.java
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@@ -722,13 +701,21 @@ protected Number getNumber() throws SQLException {
return (Number) super.getObject();
}
+ //FIXME There are several problems with this, the code below simply
implements
+ //a previous behaviour codified by the Calcite test suite.
+ //
+ // 1. It interprets a scale of 0 as a NOOP parameter, it should in fact
drop all fractionals
+ // 2. It uses RoundingMode.UNNECESSARY. All other Accessors use
RoundingMode.DOWN, and
+ // there is nothing in the specs that suggests that it should behave
differently
+ // 3. The scale from MetaData is NOT applied to BigDecimal values. Why ?
+ // 4. Metadata scale is only applied for getBigDecimal(), and only in this
Accessor. Why ?
public BigDecimal getBigDecimal(int scale) throws SQLException {
Number n = getNumber();
if (n == null) {
return null;
}
BigDecimal decimal = AvaticaSite.toBigDecimal(n);
- if (0 != scale) {
+ if (0 != scale && !(n instanceof BigDecimal)) {
Review comment:
Strange. The localAvatica option did seem to work for me (at least, it
didn't fail -- admittedly, I didn't look deep to make sure Calcite actually
picked it up). Thanks for verifying this.
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