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ESQL: Add applies_to to COPY_SIGN docs #132544

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Aug 7, 2025
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ESQL: Add applies_to to COPY_SIGN docs #132544

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3 changes: 3 additions & 0 deletions docs/reference/query-languages/esql/_snippets/functions/layout/copy_sign.md
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14 changes: 10 additions & 4 deletions .../src/main/java/org/elasticsearch/xpack/esql/expression/function/scalar/math/CopySign.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@
import org.elasticsearch.xpack.esql.core.tree.NodeInfo;
import org.elasticsearch.xpack.esql.core.tree.Source;
import org.elasticsearch.xpack.esql.core.type.DataType;
import org.elasticsearch.xpack.esql.expression.function.FunctionAppliesTo;
import org.elasticsearch.xpack.esql.expression.function.FunctionAppliesToLifecycle;
import org.elasticsearch.xpack.esql.expression.function.FunctionInfo;
import org.elasticsearch.xpack.esql.expression.function.Param;
import org.elasticsearch.xpack.esql.expression.function.scalar.EsqlScalarFunction;
Expand Down Expand Up @@ -61,10 +63,14 @@ EvalOperator.ExpressionEvaluator.Factory create(

private DataType dataType;

@FunctionInfo(description = """
Returns a value with the magnitude of the first argument and the sign of the second argument.
This function is similar to Java's Math.copySign(double magnitude, double sign) which is
similar to `copysign` from [IEEE 754](https://en.wikipedia.org/wiki/IEEE_754).""", returnType = { "double", "integer", "long" })
@FunctionInfo(
description = """
Returns a value with the magnitude of the first argument and the sign of the second argument.
This function is similar to Java's Math.copySign(double magnitude, double sign) which is
similar to `copysign` from [IEEE 754](https://en.wikipedia.org/wiki/IEEE_754).""",
returnType = { "double", "integer", "long" },
appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.GA, version = "9.1.0") }
)
public CopySign(
Source source,
@Param(
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