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binary: support multidimensional arrays#233

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multidimensonal-arrays
Open

binary: support multidimensional arrays#233
serprex wants to merge 2 commits into
mainfrom
multidimensonal-arrays

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@serprex serprex commented May 7, 2026

needed for functions like extractAllGroupsHorizontal returning Array(Array(String))

@serprex serprex requested a review from theory May 7, 2026 18:55
@serprex serprex changed the title support multidimensional arrays binary: support multidimensional arrays May 7, 2026
Comment thread src/convert.c
@theory theory added data types Improve data type support drivers Improve binary and/or http driver support labels May 7, 2026
@serprex serprex force-pushed the multidimensonal-arrays branch 3 times, most recently from 9cf1c6a to 075ca77 Compare May 7, 2026 23:53
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Great, but I think there are some leftovers, like this in convert.c starting at line 637:

				if (AARR_NDIM(v) > 1)
					ereport(ERROR,
							(errcode(ERRCODE_DATATYPE_MISMATCH),
							 errmsg("pg_clickhouse: inserted array should have one dimension")));

And this in deparse.c at line 2086:

	if (ndims > 1)
		ereport(ERROR,
				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
				 errmsg("only one dimension of arrays supported by pg_clickhouse")));

I presume these are no longer relevant, yes?

Also: Please note improvement in CHANGELOG.md.

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serprex commented May 8, 2026

those checks were still relevant because INSERT didn't support multi-dimensional. updated PR to support that

@serprex serprex requested a review from theory May 8, 2026 16:21
@serprex serprex force-pushed the multidimensonal-arrays branch from cbdafed to 8d9a7f8 Compare May 8, 2026 16:29
serprex added 2 commits May 9, 2026 05:03
needed for functions like extractAllGroupsHorizontal returning Array(Array(String))
@serprex serprex force-pushed the multidimensonal-arrays branch from 8d9a7f8 to dbf407d Compare May 9, 2026 05:11
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