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#565 - Query plan hash collision on firstRow/maxRows combinations - change prime

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This commit is contained in:
Robin Bygrave
2016-02-13 12:30:31 +13:00
parent ae38672e02
commit 39e913cbe2
1 changed files with 5 additions and 5 deletions
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src/main/java/com/avaje/ebeaninternal/api/HashQueryPlanBuilder.java
+5 -5
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@@ -12,7 +12,7 @@ public class HashQueryPlanBuilder {
private String rawSql;
public HashQueryPlanBuilder() {
this.planHash = 31;
this.planHash = 92821;
}
public String toString() {
@@ -23,7 +23,7 @@ public class HashQueryPlanBuilder {
* Add a class to the hash calculation.
*/
public HashQueryPlanBuilder add(Class<?> cls) {
planHash = planHash * 31 + cls.getName().hashCode();
planHash = planHash * 92821 + cls.getName().hashCode();
return this;
}
@@ -31,7 +31,7 @@ public class HashQueryPlanBuilder {
* Add an object to the hash calculation.
*/
public HashQueryPlanBuilder add(Object object) {
planHash = planHash * 31 + (object == null ? 0 : object.hashCode());
planHash = planHash * 92821 + (object == null ? 0 : object.hashCode());
return this;
}
@@ -39,7 +39,7 @@ public class HashQueryPlanBuilder {
* Add an integer to the hash calculation.
*/
public HashQueryPlanBuilder add(int hashValue) {
planHash = planHash * 31 + (hashValue);
planHash = planHash * 92821 + (hashValue);
return this;
}
@@ -47,7 +47,7 @@ public class HashQueryPlanBuilder {
* Add a boolean to the hash calculation.
*/
public HashQueryPlanBuilder add(boolean booleanValue) {
planHash = planHash * 31 + (booleanValue ? 31 : 0);
planHash = planHash * 92821 + (booleanValue ? 92821 : 0);
return this;
}