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WHERE for MATCH #25

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ramhgarcias opened this issue Nov 14, 2018 · 2 comments
Closed

WHERE for MATCH #25

ramhgarcias opened this issue Nov 14, 2018 · 2 comments

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@ramhgarcias
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The current grammar does not allow a WHERE clause for the entire MATCH clause, when OPTIONAL patterns are included.
@ramhgarcias
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Concall 20190110
AGREEMENT: The OPTIONAL pattern will be demarcated in parentheses
ex:
CONSTRUCT ...
MATCH (x)-[:name]->(y)
OPTIONAL ( (x)-[:knows]->(z) WHERE z.edad > 18 )
OPTIONAL ( (z)-[:lives]->(w) WHERE w.name = ‘Santiago’ )
WHERE isNull(w)

@ramhgarcias
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fixed by 4f6ab6a

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@ramhgarcias