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b35c240da7
* correct reference for `having count(*)` It turns out that `having count(*) ...` was always treating the count(*) as exactly 1. After studying this a lot, I noticed that in fact, we correctly handle other counts. The reason is that there's already code to recognize aggregates in `having` clauses as matching aggregates that are being computed -- but it only covers the other aggregate clause types, not the newly added `countStarPlanExpression` from making `count(*)` work even if there's no `_id` field. We add several corresponding test cases. * fix sum(a_decimal) type conversion Added a test case for this, and also added a fix for it. Underlying issue: qualifiedRefPlanExpression could end up producing an int64 instead of a pql.Decimal, even though it had expected type Decimal. Originally this worked by politely converting an int64 to a pql.Decimal in the Evaluate phase, but this was not ideal; the real question is why it was coming out as an int64 at that step. Showed this to Pat, who spent a while studying it and produced a better fix. * temporarily comment out test which fails in DAX
139 lines
3.6 KiB
Go
139 lines
3.6 KiB
Go
package defs
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import "github.com/featurebasedb/featurebase/v3/pql"
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var selectHavingTests = TableTest{
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name: "select-having",
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Table: tbl(
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"having_test",
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srcHdrs(
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srcHdr("_id", fldTypeID),
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srcHdr("an_int", fldTypeInt, "min 0", "max 100"),
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srcHdr("an_id_set", fldTypeIDSet),
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srcHdr("an_id", fldTypeID),
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srcHdr("a_string", fldTypeString),
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srcHdr("a_string_set", fldTypeStringSet),
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srcHdr("a_decimal", fldTypeDecimal2),
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),
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srcRows(
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srcRow(int64(1), int64(11), []int64{11, 12, 13}, int64(101), "str1", []string{"a1", "b1", "c1"}, float64(123.45)),
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srcRow(int64(2), int64(22), []int64{21, 22, 23}, int64(201), "str2", []string{"a2", "b2", "c2"}, float64(234.56)),
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srcRow(int64(3), int64(33), []int64{31, 32, 33}, int64(301), "str3", []string{"a3", "b3", "c3"}, float64(345.67)),
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srcRow(int64(4), int64(44), []int64{41, 42, 43}, int64(401), "str4", []string{"a4", "b4", "c4"}, float64(456.78)),
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srcRow(int64(5), int64(11), []int64{11, 12, 13}, int64(101), "str1", []string{"a5", "b5", "c5"}, float64(567.89)),
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),
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),
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SQLTests: []SQLTest{
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{
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name: "countfieldincluded",
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SQLs: sqls(
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"select count(an_int), an_int from having_test group by an_int having count(an_int) = 1",
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),
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ExpHdrs: hdrs(
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hdr("", fldTypeInt),
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(int64(1), int64(22)),
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row(int64(1), int64(33)),
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row(int64(1), int64(44)),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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{
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name: "countfieldnotincluded",
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SQLs: sqls(
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"select an_int from having_test group by an_int having count(an_int) = 1",
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),
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ExpHdrs: hdrs(
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(int64(22)),
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row(int64(33)),
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row(int64(44)),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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{
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name: "countstarincluded",
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SQLs: sqls(
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"select count(*), an_int from having_test group by an_int having count(*) > 1",
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),
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ExpHdrs: hdrs(
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hdr("", fldTypeInt),
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(int64(2), int64(11)),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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{
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name: "countstarnotincluded",
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SQLs: sqls(
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"select an_int from having_test group by an_int having count(*) > 1",
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),
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ExpHdrs: hdrs(
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(
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int64(11),
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),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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{
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name: "sum-dec",
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SQLs: sqls(
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"select sum(a_decimal), an_int from having_test group by an_int having sum(a_decimal) < 250.00",
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),
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ExpHdrs: hdrs(
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hdr("", fldTypeDecimal2),
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(pql.NewDecimal(23456, 2), int64(22)),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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{
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name: "sum-int",
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SQLs: sqls(
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"select sum(an_int), an_int from having_test group by an_int having sum(an_int) < 25",
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),
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ExpHdrs: hdrs(
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hdr("", fldTypeInt),
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hdr("an_int", fldTypeInt),
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),
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ExpRows: rows(
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row(int64(22), int64(11)),
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row(int64(22), int64(22)),
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),
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Compare: CompareExactUnordered,
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SortStringKeys: true,
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},
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// Fails in DAX because the string isn't translated.
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// {
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// name: "string",
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// SQLs: sqls(
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// "select a_string, count(*) from having_test group by a_string having count(*) > 1",
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// ),
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// ExpHdrs: hdrs(
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// hdr("a_string", fldTypeString),
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// hdr("", fldTypeInt),
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// ),
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// ExpRows: rows(
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// row(string("str1"), int64(2)),
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// ),
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// Compare: CompareExactUnordered,
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// SortStringKeys: true,
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// },
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},
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}
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