[
https://issues.apache.org/jira/browse/BEAM-4365?focusedWorklogId=110250&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-110250
]
ASF GitHub Bot logged work on BEAM-4365:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jun/18 20:01
Start Date: 08/Jun/18 20:01
Worklog Time Spent: 10m
Work Description: akedin commented on a change in pull request #5433:
[BEAM-4365] Make BeamSqlExpression for operators, use it for string operators
URL: https://github.com/apache/beam/pull/5433#discussion_r194164319
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/interpreter/operator/BeamSqlOperatorExpression.java
##########
@@ -15,27 +15,38 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-package org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.string;
+package org.apache.beam.sdk.extensions.sql.impl.interpreter.operator;
import com.google.common.collect.ImmutableMap;
import java.util.List;
-import
org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression;
-import
org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlPrimitive;
+import java.util.stream.Collectors;
import org.apache.beam.sdk.transforms.windowing.BoundedWindow;
import org.apache.beam.sdk.values.Row;
-import org.apache.calcite.sql.type.SqlTypeName;
-/** 'CHAR_LENGTH' operator. */
-public class BeamSqlCharLengthExpression extends BeamSqlStringUnaryExpression {
- public BeamSqlCharLengthExpression(List<BeamSqlExpression> operands) {
- super(operands, SqlTypeName.INTEGER);
+/** DEFAULT keyword for UDF with optional parameter. */
+public class BeamSqlOperatorExpression extends BeamSqlExpression {
Review comment:
Is the doc correct?
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Issue Time Tracking
-------------------
Worklog Id: (was: 110250)
Time Spent: 1h 40m (was: 1.5h)
> SQL operator argument evaluation should have one place where it is managed
> --------------------------------------------------------------------------
>
> Key: BEAM-4365
> URL: https://issues.apache.org/jira/browse/BEAM-4365
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Priority: Major
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> The way Beam SQL is factored, each operator has to explicitly ask its
> argument to be evaluated. This should be handled generically at a higher
> level. Since the language is pure and terminating, it is fine for them to
> vary, but given the simplicity of the expression language it makes sense to
> use simple call-by-value.
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