shaofengshi closed pull request #290: KYLIN-3632 Add configuration that can
switch on/off preparedStatement cache
URL: https://github.com/apache/kylin/pull/290
This is a PR merged from a forked repository.
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diff --git
a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
index 386a73ca6f..e54d72257b 100644
--- a/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
+++ b/core-common/src/main/java/org/apache/kylin/common/KylinConfigBase.java
@@ -1457,6 +1457,10 @@ public int getQueryMaxCacheStatementInstancePerKey() {
return
Integer.parseInt(this.getOptional("kylin.query.statement-cache-max-num-per-key",
String.valueOf(50)));
}
+ public boolean isQueryPreparedStatementCacheEnable() {
+ return
Boolean.parseBoolean(this.getOptional("kylin.query.statement-cache-enabled",
TRUE));
+ }
+
public int getDimCountDistinctMaxCardinality() {
return
Integer.parseInt(getOptional("kylin.query.max-dimension-count-distinct",
"5000000"));
}
diff --git
a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
index df0f0a79c4..82624723dd 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/service/QueryService.java
@@ -587,7 +587,7 @@ private SQLResponse queryWithSqlMassage(SQLRequest
sqlRequest) throws Exception
long prjLastModifyTime =
getProjectManager().getProject(sqlRequest.getProject()).getLastModified();
preparedContextKey = new
PreparedContextKey(sqlRequest.getProject(), prjLastModifyTime, correctedSql);
PrepareSqlRequest prepareSqlRequest = (PrepareSqlRequest)
sqlRequest;
- if (prepareSqlRequest.isEnableStatementCache()) {
+ if (getConfig().isQueryPreparedStatementCacheEnable() &&
prepareSqlRequest.isEnableStatementCache()) {
try {
preparedContext =
preparedContextPool.borrowObject(preparedContextKey);
borrowPrepareContext = true;
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