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Generate doc ID in build index job for idempotency (#1803)
* Add doc id to DF by Spark built-in sha1 function Signed-off-by: Chen Dai <[email protected]> * Add UT Signed-off-by: Chen Dai <[email protected]> * Fix broken IT Signed-off-by: Chen Dai <[email protected]> * Change id column name to avoid conflict with user data Signed-off-by: Chen Dai <[email protected]> --------- Signed-off-by: Chen Dai <[email protected]>
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42 changes: 42 additions & 0 deletions
42
...ion/src/test/scala/org/opensearch/flint/spark/skipping/FlintSparkSkippingIndexSuite.scala
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/* | ||
* Copyright OpenSearch Contributors | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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package org.opensearch.flint.spark.skipping | ||
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import org.mockito.Mockito.when | ||
import org.opensearch.flint.spark.FlintSparkIndex.ID_COLUMN | ||
import org.opensearch.flint.spark.skipping.FlintSparkSkippingIndex.FILE_PATH_COLUMN | ||
import org.scalatest.matchers.must.Matchers.contain | ||
import org.scalatest.matchers.should.Matchers.convertToAnyShouldWrapper | ||
import org.scalatestplus.mockito.MockitoSugar.mock | ||
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import org.apache.spark.FlintSuite | ||
import org.apache.spark.sql.catalyst.expressions.aggregate.CollectSet | ||
import org.apache.spark.sql.functions.col | ||
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class FlintSparkSkippingIndexSuite extends FlintSuite { | ||
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test("get skipping index name") { | ||
val index = new FlintSparkSkippingIndex("test", Seq(mock[FlintSparkSkippingStrategy])) | ||
index.name() shouldBe "flint_test_skipping_index" | ||
} | ||
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test("can build index building job with unique ID column") { | ||
val indexCol = mock[FlintSparkSkippingStrategy] | ||
when(indexCol.outputSchema()).thenReturn(Map("name" -> "string")) | ||
when(indexCol.getAggregators).thenReturn(Seq(CollectSet(col("name").expr))) | ||
val index = new FlintSparkSkippingIndex("test", Seq(indexCol)) | ||
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val df = spark.createDataFrame(Seq(("hello", 20))).toDF("name", "age") | ||
val indexDf = index.build(df) | ||
indexDf.schema.fieldNames should contain only ("name", FILE_PATH_COLUMN, ID_COLUMN) | ||
} | ||
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test("should fail if no indexed column given") { | ||
assertThrows[IllegalArgumentException] { | ||
new FlintSparkSkippingIndex("test", Seq.empty) | ||
} | ||
} | ||
} |
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