mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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c5badeea08
This is needed for avoiding confusion between the `|` operator at `math` pipe and `|` pipe delimiter. For example, the following query was parsed unexpectedly: * | math foo / bar | fields x as * | math foo / (bar | fields) as x Substituting `|` with `or` inside `math` pipe fixes this ambiguity.
360 lines
6.3 KiB
Go
360 lines
6.3 KiB
Go
package logstorage
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import (
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"testing"
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)
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func TestParsePipeMathSuccess(t *testing.T) {
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f := func(pipeStr string) {
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t.Helper()
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expectParsePipeSuccess(t, pipeStr)
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}
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f(`math b as a`)
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f(`math -123 as a`)
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f(`math 12.345KB as a`)
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f(`math (-2 + 2) as a`)
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f(`math x as a, z as y`)
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f(`math (foo / bar + baz * abc % -45ms) as a`)
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f(`math (foo / (bar + baz) * abc ^ 2) as a`)
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f(`math (foo / ((bar + baz) * abc) ^ -2) as a`)
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f(`math (foo + bar / baz - abc) as a`)
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f(`math min(3, foo, (1 + bar) / baz) as a, max(a, b) as b, (abs(c) + 5) as d`)
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f(`math round(foo) as x`)
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f(`math round(foo, 0.1) as y`)
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f(`math (a / b default 10) as z`)
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f(`math (ln(a) + exp(b)) as x`)
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}
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func TestParsePipeMathFailure(t *testing.T) {
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f := func(pipeStr string) {
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t.Helper()
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expectParsePipeFailure(t, pipeStr)
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}
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f(`math`)
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f(`math x as`)
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f(`math abs() as x`)
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f(`math abs(a, b) as x`)
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f(`math min() as x`)
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f(`math min(a) as x`)
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f(`math max() as x`)
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f(`math max(a) as x`)
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f(`math round() as x`)
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f(`math round(a, b, c) as x`)
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}
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func TestPipeMath(t *testing.T) {
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f := func(pipeStr string, rows, rowsExpected [][]Field) {
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t.Helper()
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expectPipeResults(t, pipeStr, rows, rowsExpected)
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}
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f(`math
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'2024-05-30T01:02:03Z' + 10e9 as time,
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10m5s + 10e9 as duration,
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'123.45.67.89' + 1000 as ip,
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time - time % time_step as time_rounded,
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duration - duration % duration_step as duration_rounded,
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(ip & ip_mask or 0x1234) xor 5678 as subnet
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`, [][]Field{
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{
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{"time_step", "30m"},
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{"duration_step", "30s"},
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{"ip_mask", "0xffffff00"},
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},
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}, [][]Field{
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{
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{"time_step", "30m"},
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{"duration_step", "30s"},
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{"ip_mask", "0xffffff00"},
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{"time", "1717030933000000000"},
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{"duration", "615000000000"},
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{"ip", "2066564929"},
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{"time_rounded", "1717030800000000000"},
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{"duration_rounded", "600000000000"},
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{"subnet", "2066563354"},
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},
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})
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f("eval b+1 as a, a*2 as b, b-10.5+c as c", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "3"},
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{"b", "6"},
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{"c", "-1.5"},
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},
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})
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f("math a / b default c", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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{
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{"a", "0"},
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{"b", "0"},
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{"c", "3"},
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},
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{
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{"a", "3"},
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{"b", "2"},
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},
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{
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{"a", "3"},
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{"b", "foo"},
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},
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}, [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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{"a / b default c", "3"},
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},
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{
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{"a", "0"},
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{"b", "0"},
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{"c", "3"},
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{"a / b default c", "3"},
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},
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{
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{"a", "3"},
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{"b", "2"},
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{"a / b default c", "1.5"},
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},
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{
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{"a", "3"},
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{"b", "foo"},
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{"a / b default c", "NaN"},
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},
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})
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f("math round(exp(a), 0.01), round(ln(a), 0.01), ceil(exp(a)), floor(exp(a))", [][]Field{
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{
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{"a", "v1"},
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},
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{
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{"a", "0"},
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},
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{
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{"a", "1"},
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},
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{
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{"a", "2"},
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},
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{
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{"a", "3"},
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},
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}, [][]Field{
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{
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{"a", "v1"},
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{"round(exp(a), 0.01)", "NaN"},
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{"round(ln(a), 0.01)", "NaN"},
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{"ceil(exp(a))", "NaN"},
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{"floor(exp(a))", "NaN"},
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},
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{
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{"a", "0"},
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{"round(exp(a), 0.01)", "1"},
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{"round(ln(a), 0.01)", "NaN"},
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{"ceil(exp(a))", "1"},
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{"floor(exp(a))", "1"},
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},
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{
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{"a", "1"},
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{"round(exp(a), 0.01)", "2.72"},
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{"round(ln(a), 0.01)", "0"},
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{"ceil(exp(a))", "3"},
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{"floor(exp(a))", "2"},
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},
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{
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{"a", "2"},
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{"round(exp(a), 0.01)", "7.39"},
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{"round(ln(a), 0.01)", "0.69"},
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{"ceil(exp(a))", "8"},
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{"floor(exp(a))", "7"},
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},
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{
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{"a", "3"},
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{"round(exp(a), 0.01)", "20.09"},
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{"round(ln(a), 0.01)", "1.1"},
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{"ceil(exp(a))", "21"},
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{"floor(exp(a))", "20"},
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},
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})
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f("math 1 as a", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "1"},
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{"b", "2"},
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{"c", "3"},
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},
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})
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f("math 10 * 5 - 3 a", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "47"},
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{"b", "2"},
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{"c", "3"},
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},
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})
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f("math -1.5K as a", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "-1500"},
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{"b", "2"},
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{"c", "3"},
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},
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})
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f("math b as a", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "2"},
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{"b", "2"},
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{"c", "3"},
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},
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})
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f("math a as a", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "NaN"},
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{"b", "2"},
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{"c", "3"},
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},
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})
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f("math 2*c + b as x", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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{"x", "8"},
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},
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})
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f("math abs(-min(a,b)) as min, round(max(40*b/30,c)) as max", [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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},
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}, [][]Field{
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{
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{"a", "v1"},
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{"b", "2"},
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{"c", "3"},
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{"min", "2"},
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{"max", "3"},
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},
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})
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f("math round((2*c + (b%c))/(c-b)^(b-1), -0.001) as a", [][]Field{
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{
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{"a", "v"},
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{"b", "2"},
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{"c", "3"},
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},
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{
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{"a", "x"},
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{"b", "3"},
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{"c", "5"},
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},
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{
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{"b", "3"},
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{"c", "6"},
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},
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}, [][]Field{
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{
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{"a", "8"},
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{"b", "2"},
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{"c", "3"},
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},
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{
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{"a", "3.25"},
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{"b", "3"},
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{"c", "5"},
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},
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{
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{"a", "1.667"},
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{"b", "3"},
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{"c", "6"},
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},
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})
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}
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func TestPipeMathUpdateNeededFields(t *testing.T) {
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f := func(s string, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected string) {
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t.Helper()
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expectPipeNeededFields(t, s, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected)
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}
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// all the needed fields
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f("math (x + 1) as y", "*", "", "*", "y")
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// all the needed fields, unneeded fields do not intersect with src and dst
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f("math (x + 1) as y", "*", "f1,f2", "*", "f1,f2,y")
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// all the needed fields, unneeded fields intersect with src
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f("math (x + 1) as y", "*", "f1,x", "*", "f1,y")
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// all the needed fields, unneeded fields intersect with dst
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f("math (x + 1) as y", "*", "f1,y", "*", "f1,y")
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// all the needed fields, unneeded fields intersect with src and dst
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f("math (x + 1) as y", "*", "f1,x,y", "*", "f1,x,y")
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// needed fields do not intersect with src and dst
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f("math (x + 1) as y", "f1,f2", "", "f1,f2", "")
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// needed fields intersect with src
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f("math (x + 1) as y", "f1,x", "", "f1,x", "")
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// needed fields intersect with dst
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f("math (x + 1) as y", "f1,y", "", "f1,x", "")
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// needed fields intersect with src and dst
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f("math (x + 1) as y", "f1,x,y", "", "f1,x", "")
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}
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