dianfu commented on a change in pull request #9865: [FLINK-14212][python]
Support no-argument Python UDFs.
URL: https://github.com/apache/flink/pull/9865#discussion_r333358371
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/codegen/ExpressionReducer.scala
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@@ -24,20 +24,20 @@ import org.apache.flink.metrics.MetricGroup
import org.apache.flink.table.api.{TableConfig, TableException}
import org.apache.flink.table.dataformat.BinaryStringUtil.safeToString
import org.apache.flink.table.dataformat.{BinaryString, Decimal, GenericRow}
-import org.apache.flink.table.functions.{FunctionContext, UserDefinedFunction}
+import org.apache.flink.table.functions.{FunctionContext, FunctionLanguage,
UserDefinedFunction}
import org.apache.flink.table.planner.calcite.FlinkTypeFactory
import
org.apache.flink.table.planner.codegen.FunctionCodeGenerator.generateFunction
import org.apache.flink.table.runtime.functions.SqlDateTimeUtils
import org.apache.flink.table.types.logical.RowType
-
import org.apache.calcite.avatica.util.ByteString
import org.apache.calcite.rex.{RexBuilder, RexExecutor, RexNode}
import org.apache.calcite.sql.`type`.SqlTypeName
import org.apache.commons.lang3.StringEscapeUtils
-
import java.io.File
import java.util.TimeZone
+import org.apache.flink.table.planner.plan.utils.PythonUtil.FunctionFinder
Review comment:
Correct the order
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