[jira] [Assigned] (PHOENIX-3347) Change conformance or remove SELECT statements without FROM clauses
[ https://issues.apache.org/jira/browse/PHOENIX-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Maryann Xue reassigned PHOENIX-3347: Assignee: Maryann Xue (was: Eric Lomore) > Change conformance or remove SELECT statements without FROM clauses > --- > > Key: PHOENIX-3347 > URL: https://issues.apache.org/jira/browse/PHOENIX-3347 > Project: Phoenix > Issue Type: Sub-task >Reporter: Eric Lomore >Assignee: Maryann Xue > > Current conformance settings do not allow SELECT statements without a FROM > clause. Either need to change conformance or stop supporting SELECT without > FROM as Phoenix currently does. > According to the Calcite parser, > {{FROM is mandatory in standard SQL, optional in dialects such as MySQL, > PostgreSQL. The parser allows SELECT without FROM, but the validator fails if > conformance is, say, STRICT_2003.}} > Based on PhoenixCalciteEmbeddedDriver.java, we are using ORACLE_10 > conformance which does not support this > {code}setPropertyIfNotSpecified( > info2, > CalciteConnectionProperty.CONFORMANCE.camelName(), > SqlConformance.ORACLE_10.toString()){code} > Confirming this is the fact that it is specifically the SqlValidator throwing > the exception in relevant test cases > {{Caused by: org.apache.calcite.sql.validate.SqlValidatorException: SELECT > must have a FROM clause}} -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Assigned] (PHOENIX-3347) Change conformance or remove SELECT statements without FROM clauses
[ https://issues.apache.org/jira/browse/PHOENIX-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Eric Lomore reassigned PHOENIX-3347: Assignee: Eric Lomore > Change conformance or remove SELECT statements without FROM clauses > --- > > Key: PHOENIX-3347 > URL: https://issues.apache.org/jira/browse/PHOENIX-3347 > Project: Phoenix > Issue Type: Sub-task >Reporter: Eric Lomore >Assignee: Eric Lomore > > Current conformance settings do not allow SELECT statements without a FROM > clause > {code:title=PhoenixCalciteEmbeddedDriver.java} public Connection > connect(String url, Properties info) throws SQLException { > if (!acceptsURL(url)) { > return null; > } > > Properties info2 = new Properties(info); > setPropertyIfNotSpecified( > info2, > CalciteConnectionProperty.TYPE_SYSTEM.camelName(), > PhoenixRelDataTypeSystem.class.getName()); > setPropertyIfNotSpecified( > info2, > CalciteConnectionProperty.CONFORMANCE.camelName(), > SqlConformance.ORACLE_10.toString());{code} > Note that the actual failure occurs when the SqlValidator rejects the > statement > {{Caused by: org.apache.calcite.sql.validate.SqlValidatorException: SELECT > must have a FROM clause}} > Either need to change conformance or stop supporting SELECT without FROM as > Phoenix currently does. -- This message was sent by Atlassian JIRA (v6.3.4#6332)