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Add tests for overlapping ranges #428

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eddelbuettel merged 1 commit into from
Jun 15, 2022
Merged

Add tests for overlapping ranges #428

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16 changes: 16 additions & 0 deletions inst/tinytest/test_querycondition.R
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Original file line number Diff line number Diff line change
Expand Up @@ -284,3 +284,19 @@ qc <- parse_query_condition(year < 2008 || year > 2010)
arr <- tiledb_array(uri, as.data.frame=TRUE, query_condition=qc)
expect_equal(NROW(arr[]),
sum(with(penguins, year < 2008 | year > 2010)))

## Overlapping ranges
qc <- parse_query_condition(year < 2009 && year < 2010)
arr <- tiledb_array(uri, as.data.frame=TRUE, query_condition=qc)
expect_equal(NROW(arr[]),
sum(with(penguins, year < 2009)))

qc <- parse_query_condition(year <= 2009 && year >= 2009)
arr <- tiledb_array(uri, as.data.frame=TRUE, query_condition=qc)
expect_equal(NROW(arr[]),
sum(with(penguins, year == 2009)))

qc <- parse_query_condition(year < 2009 || year < 2010)
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@aaronwolen aaronwolen Jun 15, 2022 •
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Shouldn't this be | rather than || for element-wise comparisons? Ditto for && above.

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@eddelbuettel eddelbuettel Jun 15, 2022

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Whooops. Excellent catch. Will fix.

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@eddelbuettel eddelbuettel Jun 15, 2022

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Sorry, actually no: that is a 'token' for parse_query_condidtion() and not an R element-by-element operator.

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@aaronwolen aaronwolen Jun 15, 2022

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Oh I see now:

TileDB-R/R/QueryCondition.R

Lines 132 to 135 in 8f1d2fa

.mapBoolToCharacter <- function(x) switch(x,
`&&` = "AND",
`||` = "OR",
`!` = "NOT")
.

Maybe we should translate |/& to ||/&& behind the scenes for R folks?

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@aaronwolen aaronwolen Jun 15, 2022

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Actually, any reason not to use the short-form of these as the tokens for AND/OR? (Sorry, I know we've wandered away from the point of this PR).

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@eddelbuettel eddelbuettel Jun 15, 2022

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Funny you went to the source, I did too :)

My feeling was we should definitely also support AND and OR (and, though currently a no-op) NOT. I feel less strongly about & and | but I suppose we could. In many other programming languages the double && or || is common which is why I went with it.

Maybe this discussion should be another issue or SC ticket. Lemme me merge this now first.

arr <- tiledb_array(uri, as.data.frame=TRUE, query_condition=qc)
expect_equal(NROW(arr[]),
sum(with(penguins, year < 2010)))