[
https://issues.apache.org/jira/browse/DRILL-427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiao Meng updated DRILL-427:
----------------------------
Attachment: sqlline.log
{code}
select TABLE_NAME, COLUMN_NAME, ORDINAL_POSITION from
INFORMATION_SCHEMA.COLUMNS where TABLE_NAME = 'VIEWS';
{code}
> select <columns> from <table> where <column> = '<VARCHAR>' fails
> ----------------------------------------------------------------
>
> Key: DRILL-427
> URL: https://issues.apache.org/jira/browse/DRILL-427
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Xiao Meng
> Attachments: sqlline.log
>
>
> We need to filter the result which is essential for querying metadata if the
> user specify the catalog, schema_name, table_name and so on.
> But the where clause will fail when compare with a column with VARCHAR type.
> It seems a cast coding problem as shown in the sqlline log
> {code}
> 0: jdbc:drill:zk=local> select TABLE_NAME, COLUMN_NAME, ORDINAL_POSITION from
> INFORMATION_SCHEMA.COLUMNS where TABLE_NAME = 'VIEWS';
> Query failed: org.apache.drill.exec.rpc.RpcException: Remote failure while
> running query.[error_id: "1c68bfdc-3390-4f1a-88cc-d93f9e65e002"
> endpoint {
> address: "localhost"
> user_port: 31010
> control_port: 31011
> data_port: 31012
> }
> error_type: 0
> message: "Failure while parsing sql. < ClassCastException:[
> org.eigenbase.util.NlsString cannot be cast to java.lang.String ]"
> ]
> Error: exception while executing query (state=,code=0)
> {code}
> The sqlline log is
> {code}
> 0:39:28.570 [WorkManager Event Thread] DEBUG
> o.apache.drill.exec.work.WorkManager - Starting pending task
> org.apache.drill.exec.work.foreman.Foreman@4ec35eb5
> 10:39:28.571 [Client-1] DEBUG o.a.d.e.rpc.user.QueryResultHandler - Received
> QueryId part1: 7946799108619977974
> part2: -7560732490996708466
> succesfully. Adding listener
> org.apache.drill.jdbc.DrillResultSet$Listener@7c7ee578
> 10:39:28.590 [WorkManager-3] DEBUG o.a.d.e.planner.logical.DrillOptiq -
> RexCall =(CAST($2):VARCHAR(5) CHARACTER SET "ISO-8859-1" COLLATE
> "ISO-8859-1$en_US$primary" NOT NULL, 'VIEWS'), {}
> 10:39:28.591 [WorkManager-3] DEBUG o.a.d.e.planner.logical.DrillOptiq - Binary
> 10:39:28.592 [WorkManager-3] DEBUG o.a.d.e.planner.logical.DrillOptiq -
> RexCall CAST($2):VARCHAR(5) CHARACTER SET "ISO-8859-1" COLLATE
> "ISO-8859-1$en_US$primary" NOT NULL, {}
> 10:39:28.592 [WorkManager-3] DEBUG o.a.d.e.planner.logical.DrillOptiq -
> Special
> 10:39:28.594 [WorkManager-3] ERROR o.a.drill.exec.work.foreman.Foreman -
> Error c43534ea-b7d8-41ea-9d16-d96eb6cc20a0: Failure while parsing sql.
> java.lang.ClassCastException: org.eigenbase.util.NlsString cannot be cast to
> java.lang.String
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitLiteral(DrillOptiq.java:191)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitLiteral(DrillOptiq.java:63)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.eigenbase.rex.RexLiteral.accept(RexLiteral.java:599)
> ~[optiq-core-0.4.18.jar:na]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:90)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:63)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.eigenbase.rex.RexCall.accept(RexCall.java:106)
> ~[optiq-core-0.4.18.jar:na]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq.toDrill(DrillOptiq.java:60)
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillFilterRel.implement(DrillFilterRel.java:56)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillImplementor.visitChild(DrillImplementor.java:75)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillProjectRel.implement(DrillProjectRel.java:77)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillImplementor.visitChild(DrillImplementor.java:75)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillScreenRel.implement(DrillScreenRel.java:72)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at
> org.apache.drill.exec.planner.logical.DrillImplementor.go(DrillImplementor.java:62)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> {code}
> For the reference, the table is like
> {code}
> 0: jdbc:drill:zk=local> select TABLE_NAME, COLUMN_NAME, ORDINAL_POSITION from
> INFORMATION_SCHEMA.COLUMNS;
> +------------+-------------+------------------+
> | TABLE_NAME | COLUMN_NAME | ORDINAL_POSITION |
> +------------+-------------+------------------+
> | VIEWS | TABLE_CATALOG | 0 |
> | VIEWS | TABLE_SHEMA | 1 |
> | VIEWS | TABLE_NAME | 2 |
> | VIEWS | VIEW_DEFINITION | 3 |
> | COLUMNS | TABLE_CATALOG | 0 |
> | COLUMNS | TABLE_SCHEMA | 1 |
> | COLUMNS | TABLE_NAME | 2 |
> | COLUMNS | COLUMN_NAME | 3 |
> | COLUMNS | ORDINAL_POSITION | 4 |
> | COLUMNS | IS_NULLABLE | 5 |
> | COLUMNS | DATA_TYPE | 6 |
> | COLUMNS | CHARACTER_MAXIMUM_LENGTH | 7 |
> | COLUMNS | NUMERIC_PRECISION_RADIX | 8 |
> | COLUMNS | NUMERIC_SCALE | 9 |
> | COLUMNS | NUMERIC_PRECISION | 10 |
> | TABLES | TABLE_CATALOG | 0 |
> | TABLES | TABLE_SCHEMA | 1 |
> | TABLES | TABLE_NAME | 2 |
> | TABLES | TABLE_TYPE | 3 |
> | CATALOGS | CATALOG_NAME | 0 |
> | CATALOGS | CATALOG_DESCRIPTION | 1 |
> | CATALOGS | CATALOG_CONNECT | 2 |
> | SCHEMATA | CATALOG_NAME | 0 |
> | SCHEMATA | SCHEMA_NAME | 1 |
> | SCHEMATA | SCHEMA_OWNER | 2 |
> +------------+-------------+------------------+
> {code}
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