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Work-in-progress; do not review; do not merge#2158

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asfgit merged 4 commits intoapache:masterfrom
julianhyde:master
Nov 1, 2020
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Work-in-progress; do not review; do not merge#2158
asfgit merged 4 commits intoapache:masterfrom
julianhyde:master

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julianhyde and others added 3 commits November 1, 2020 01:03
… Hillman)

In SQL reference, move COUNTIF to the list of dialect-specific
functions; during SQL-to-Rel, transform to 'COUNT(*) FILTER
(WHERE b)' rather than 'COUNT(CASE WHEN b THEN 1 END)' (Julian Hyde).

Close apache#2235
…from SEARCH expressions

Improve Sarg.toString() for IS NULL, IS NOT NULL, TRUE,
FALSE.

Simplify NOT SEARCH(x, sarg) to SEARCH(x, sarg2) where sarg2
is the complement of sarg.

Improve return type of SEARCH; result is NOT NULL if argument
is NOT NULL of it Sarg allows IS NULL.

Close apache#2233
@asfgit asfgit merged commit d03ce47 into apache:master Nov 1, 2020
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3 participants