Fix to unparse the plan with multiple UNION statements into an SQL string #12605
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goldmedal
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phillipleblanc
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Sep 25, 2024
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Thanks @goldmedal! One minor comment on the error message, but otherwise looks good to me! I should have tested more than 2 UNIONs initially 😅
Co-authored-by: Phillip LeBlanc <[email protected]>
phillipleblanc
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Sep 25, 2024
alamb
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Sep 25, 2024
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Looks good to me -- thank you @goldmedal and @phillipleblanc for the review
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Thanks @alamb @phillipleblanc ! |
bgjackma
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…ring (apache#12605) * fix unparse multiple UNION statement * enhance the error message Co-authored-by: Phillip LeBlanc <[email protected]> * cargo fmt --------- Co-authored-by: Phillip LeBlanc <[email protected]>
sgrebnov
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…ring (apache#12605) * fix unparse multiple UNION statement * enhance the error message Co-authored-by: Phillip LeBlanc <[email protected]> * cargo fmt --------- Co-authored-by: Phillip LeBlanc <[email protected]>
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…ring (apache#12605) (#37) * fix unparse multiple UNION statement * enhance the error message * cargo fmt --------- Co-authored-by: Jax Liu <[email protected]> Co-authored-by: Phillip LeBlanc <[email protected]>
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Which issue does this PR close?
No corrsponding issue.
Rationale for this change
Consider the following SQL:
WITH w1 AS (SELECT 'a' as col), w2 AS (SELECT 'b' as col), w3 as (SELECT 'c' as col) SELECT * FROM w1 UNION ALL SELECT * FROM w2 UNION ALL SELECT * FROM w3If a plan contains more than two UNION statements, it cannot be properly unparsed back into an SQL string.
What changes are included in this PR?
Fix the unparsing behavior for UNION.
Are these changes tested?
yes
Are there any user-facing changes?
no