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/* |
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* Copyright OpenSearch Contributors |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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package org.opensearch.sql.data.type; |
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import static org.opensearch.sql.data.type.ExprCoreType.UNKNOWN; |
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import lombok.experimental.UtilityClass; |
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import org.opensearch.sql.exception.ExpressionEvaluationException; |
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/** |
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* The definition of widening type rule for expression value. |
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* ExprType Widens to data types |
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* INTEGER LONG, FLOAT, DOUBLE |
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* LONG FLOAT, DOUBLE |
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* FLOAT DOUBLE |
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* DOUBLE DOUBLE |
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* STRING STRING |
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* BOOLEAN BOOLEAN |
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* ARRAY ARRAY |
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* STRUCT STRUCT |
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*/ |
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@UtilityClass |
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public class WideningTypeRule { |
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public static final int IMPOSSIBLE_WIDENING = Integer.MAX_VALUE; |
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public static final int TYPE_EQUAL = 0; |
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/** |
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* The widening distance is calculated from the leaf to root. |
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* e.g. distance(INTEGER, FLOAT) = 2, but distance(FLOAT, INTEGER) = IMPOSSIBLE_WIDENING |
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* |
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* @param type1 widen from type |
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* @param type2 widen to type |
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* @return The widening distance when widen one type to another type. |
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*/ |
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public static int distance(ExprType type1, ExprType type2) { |
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1. distance : replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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return distance(type1, type2, TYPE_EQUAL); |
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} |
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private static int distance(ExprType type1, ExprType type2, int distance) { |
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1. distance : negated conditional → KILLED
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if (type1 == type2) { |
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1. distance : replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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return distance; |
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1. distance : negated conditional → KILLED
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} else if (type1 == UNKNOWN) { |
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1. distance : replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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return IMPOSSIBLE_WIDENING; |
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} else { |
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1. distance : replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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return type1.getParent().stream() |
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1. lambda$distance$0 : Replaced integer addition with subtraction → KILLED
2. lambda$distance$0 : replaced Integer return value with 0 for org/opensearch/sql/data/type/WideningTypeRule::lambda$distance$0 → KILLED
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.map(parentOfType1 -> distance(parentOfType1, type2, distance + 1)) |
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.reduce(Math::min).get(); |
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} |
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} |
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/** |
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* The max type among two types. The max is defined as follow |
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* if type1 could widen to type2, then max is type2, vice versa |
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* if type1 could't widen to type2 and type2 could't widen to type1, |
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* then throw {@link ExpressionEvaluationException}. |
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* |
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* @param type1 type1 |
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* @param type2 type2 |
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* @return the max type among two types. |
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*/ |
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public static ExprType max(ExprType type1, ExprType type2) { |
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int type1To2 = distance(type1, type2); |
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int type2To1 = distance(type2, type1); |
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1. max : negated conditional → KILLED
2. max : negated conditional → KILLED
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if (type1To2 == Integer.MAX_VALUE && type2To1 == Integer.MAX_VALUE) { |
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throw new ExpressionEvaluationException( |
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String.format("no max type of %s and %s ", type1, type2)); |
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} else { |
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1. max : negated conditional → KILLED
2. max : replaced return value with null for org/opensearch/sql/data/type/WideningTypeRule::max → KILLED
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return type1To2 == Integer.MAX_VALUE ? type1 : type2; |
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} |
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} |
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} |
| | Mutations |
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#126] replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#113] negated conditional → KILLED
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#102] replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#102] negated conditional → KILLED
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#200] replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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1.1 Location : distance Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#200] replaced int return with 0 for org/opensearch/sql/data/type/WideningTypeRule::distance → KILLED
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1.1 Location : lambda$distance$0 Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#102] Replaced integer addition with subtraction → KILLED 2.2 Location : lambda$distance$0 Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:distance(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, java.lang.Integer)]/[test-template-invocation:#200] replaced Integer return value with 0 for org/opensearch/sql/data/type/WideningTypeRule::lambda$distance$0 → KILLED
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1.1 Location : max Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:max(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType)]/[test-template-invocation:#5] negated conditional → KILLED 2.2 Location : max Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:max(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType)]/[test-template-invocation:#61] negated conditional → KILLED
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1.1 Location : max Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:max(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType)]/[test-template-invocation:#35] negated conditional → KILLED 2.2 Location : max Killed by : org.opensearch.sql.expression.function.WideningTypeRuleTest.[engine:junit-jupiter]/[class:org.opensearch.sql.expression.function.WideningTypeRuleTest]/[test-template:max(org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType, org.opensearch.sql.data.type.ExprCoreType)]/[test-template-invocation:#113] replaced return value with null for org/opensearch/sql/data/type/WideningTypeRule::max → KILLED
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