Error expr: avg(ifnull( a const value, boolean value)). In removing avg and ifnull, we need add explicit cast.
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@ -27,8 +27,8 @@ Query Plan
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=================================================
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Outputs & filters:
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-------------------------------------
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0 - output([INTERNAL_FUNCTION(t1.c1, 1, t2.c1, 1)]), filter(nil), rowset=16
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1 - output([INTERNAL_FUNCTION(t1.c1, 1, t2.c1, 1)]), filter(nil), rowset=16
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0 - output([INTERNAL_FUNCTION(t1.c1, 1, t2.c1, cast(1, BIGINT(20, 0)))]), filter(nil), rowset=16
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1 - output([INTERNAL_FUNCTION(t1.c1, 1, t2.c1, cast(1, BIGINT(20, 0)))]), filter(nil), rowset=16
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dop=3
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2 - output([t1.c1], [t2.c1]), filter(nil), rowset=16
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equal_conds([t1.c1 = t2.c1]), other_conds(nil)
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@ -160,10 +160,12 @@ Query Plan
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=============================================================================
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Outputs & filters:
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-------------------------------------
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0 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*), DECIMAL_INT(20,
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0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*), DECIMAL_INT(20,
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0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
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0 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*),
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DECIMAL_INT(20, 0)), DECIMAL_INT(75, 0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), BIGINT(20,
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0)), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
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1 - output([INTERNAL_FUNCTION(VIEW2.teacher.name, VIEW2.teacher.subject, cast(cast(cast(cast(VIEW1.T_FUN_SUM(score.score) * cast(VIEW2.T_FUN_COUNT(*),
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DECIMAL_INT(20, 0)), DECIMAL_INT(75, 0)), DECIMAL_INT(33, 0)), DECIMAL(33, 0)) / cast(cast(VIEW1.T_FUN_COUNT(score.score) * VIEW2.T_FUN_COUNT(*), BIGINT(20,
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0)), DECIMAL(20, 0)), DECIMAL(15, 4)))]), filter(nil), rowset=256
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dop=2
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2 - output([VIEW2.T_FUN_COUNT(*)], [VIEW2.teacher.subject], [VIEW1.T_FUN_SUM(score.score)], [VIEW1.T_FUN_COUNT(score.score)], [VIEW2.teacher.name]), filter(nil), rowset=256
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equal_conds([VIEW2.teacher.subject = VIEW1.score.subject]), other_conds(nil)
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