mihaibudiu commented on code in PR #4193:
URL: https://github.com/apache/calcite/pull/4193#discussion_r1956582411
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core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml:
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@@ -1619,9 +1619,9 @@ LogicalAggregate(group=[{0}], EXPR$1=[STDDEV_POP($1)],
EXPR$2=[AVG($1)], EXPR$3=
</Resource>
<Resource name="planAfter">
<![CDATA[
-LogicalProject(NAME=[$0], EXPR$1=[CAST(POWER(/(-($1, /(*($2, $2), $3)), $3),
0.5:DECIMAL(2, 1))):INTEGER NOT NULL], EXPR$2=[CAST(/($2, $3)):INTEGER NOT
NULL], EXPR$3=[CAST(POWER(/(-($1, /(*($2, $2), $3)), CASE(=($3, 1),
null:BIGINT, -($3, 1))), 0.5:DECIMAL(2, 1))):INTEGER], EXPR$4=[CAST(/(-($1,
/(*($2, $2), $3)), $3)):INTEGER NOT NULL], EXPR$5=[CAST(/(-($1, /(*($2, $2),
$3)), CASE(=($3, 1), null:BIGINT, -($3, 1)))):INTEGER NOT NULL])
+LogicalProject(NAME=[$0], EXPR$1=[POWER(/(-($1, /(*(CAST($2):DOUBLE NOT NULL,
CAST($2):DOUBLE NOT NULL), $3)), $3), 0.5:DECIMAL(2, 1))],
EXPR$2=[/(CAST($2):DOUBLE NOT NULL, $3)], EXPR$3=[POWER(/(-($1,
/(*(CAST($2):DOUBLE NOT NULL, CAST($2):DOUBLE NOT NULL), $3)), CASE(=($3, 1),
null:BIGINT, -($3, 1))), 0.5:DECIMAL(2, 1))], EXPR$4=[/(-($1,
/(*(CAST($2):DOUBLE NOT NULL, CAST($2):DOUBLE NOT NULL), $3)), $3)],
EXPR$5=[CAST(/(-($1, /(*(CAST($2):DOUBLE NOT NULL, CAST($2):DOUBLE NOT NULL),
$3)), CASE(=($3, 1), null:BIGINT, -($3, 1)))):DOUBLE NOT NULL])
Review Comment:
As you see, the type inferred for the result will cascade through the query
plan, influencing the type all values that depend on the aggregation result.
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