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Revert "[SPARK-56975][SS] Reject user-specified schema in DataStreamReader.table()" #56189

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Revert "[SPARK-56975][SS] Reject user-specified schema in DataStreamReader.table()" #56189

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6170a60
Revert "[SPARK-56975][SS] Reject user-specified schema in DataStreamR…
May 28, 2026
b0b3d0d
Merge branch 'apache:master' into revert-SPARK-56975
PorridgeSwim May 29, 2026
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1 change: 0 additions & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/classic/DataStreamReader.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,6 @@ final class DataStreamReader private[sql](sparkSession: SparkSession)
/** @inheritdoc */
def table(tableName: String): DataFrame = {
require(tableName != null, "The table name can't be null")
assertNoSpecifiedSchema("table")
val identifier = sparkSession.sessionState.sqlParser.parseMultipartIdentifier(tableName)
val unresolved = UnresolvedRelation(
identifier,
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16 changes: 0 additions & 16 deletions sql/core/src/test/scala/org/apache/spark/sql/streaming/test/DataStreamTableAPISuite.scala
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Expand Up @@ -84,22 +84,6 @@ class DataStreamTableAPISuite extends StreamTest with BeforeAndAfter {
checkErrorTableNotFound(e, "`non_exist_table`")
}

test("read: user-specified schema is not allowed with table API") {
val tblName = "my_table"
withTable(tblName) {
spark.range(3).write.format("parquet").saveAsTable(tblName)
val e = intercept[AnalysisException] {
spark.readStream
.schema(new StructType().add("a", IntegerType))
.table(tblName)
}
checkError(
exception = e,
condition = "_LEGACY_ERROR_TEMP_1189",
parameters = Map("operation" -> "table"))
}
}

test("read: stream table API with temp view") {
val tblName = "my_table"
val stream = MemoryStream[Int]
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