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Fixed error message for ColumnAccessor #953

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merged 1 commit into from
Nov 18, 2024
Merged

Fixed error message for ColumnAccessor #953

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2 changes: 2 additions & 0 deletions core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/columns/ColumnAccessorImpl.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -43,4 +43,6 @@ internal class ColumnAccessorImpl<T>(val path: ColumnPath) : ColumnAccessor<T> {
override fun getValue(row: AnyRow) = path.getValue(row) as T

override fun getValueOrNull(row: AnyRow) = path.getValueOrNull(row) as T

override fun toString(): String = path().toString()
}
3 changes: 3 additions & 0 deletions core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/api/get.kt
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Expand Up @@ -49,6 +49,9 @@ class GetTests {
shouldThrow<IllegalArgumentException> { row.getValue(c) }
shouldThrow<IllegalArgumentException> { row.getValue(A::c) }

val throwable = shouldThrow<IllegalArgumentException> { df[column<Int>("c")] }
throwable.message shouldContain "Column not found: '[c]'"

val added = df.add(A::c) { "3" }[0]

shouldThrow<ClassCastException> { added.getValue(c) + 1 }
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