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https://issues.apache.org/jira/browse/CALCITE-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhengqiang Duan reassigned CALCITE-2109:
----------------------------------------
Assignee: Chuxin Chen
> Mongo adapter: unable to translate (A AND B) conditional case
> -------------------------------------------------------------
>
> Key: CALCITE-2109
> URL: https://issues.apache.org/jira/browse/CALCITE-2109
> Project: Calcite
> Issue Type: Bug
> Components: mongodb-adapter
> Reporter: Vladimir Dolzhenko
> Assignee: Chuxin Chen
> Priority: Major
> Labels: pull-request-available
>
> Mongo adapter fails on query
> {code:sql}
> select state, city from zips
> where city='MANSFIELD' and state in ('AR', 'TX', 'MA')
> order by state
> {code}
> with
> {code}
> java.lang.AssertionError: cannot translate OR(=(CAST(ITEM($0,
> 'state')):VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
> "ISO-8859-1$en_US$primary", 'AR'), =(CAST(ITEM($0, 'state')):VARCHAR(2)
> CHARACTER SET "ISO-8859-1" COLLATE "ISO-8859-1$en_US$primary", 'TX'),
> =(CAST(ITEM($0, 'state')):VARCHAR(2) CHARACTER SET "ISO-8859-1" COLLATE
> "ISO-8859-1$en_US$primary", 'MA'))
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateMatch2(MongoFilter.java:181)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateAnd(MongoFilter.java:116)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateOr(MongoFilter.java:98)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateMatch(MongoFilter.java:91)
> {code}
> literal case like
> {code:sql}
> select state, city from zips
> where city='MANSFIELD' and 1=0
> order by state
> {code}
> fails with
> {code}
> java.lang.AssertionError: cannot translate op null call =(1, 0)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateBinary(MongoFilter.java:198)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateMatch2(MongoFilter.java:169)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateAnd(MongoFilter.java:116)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateOr(MongoFilter.java:98)
> at
> org.apache.calcite.adapter.mongodb.MongoFilter$Translator.translateMatch(MongoFilter.java:91)
> {code}
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