DanielZhu58 commented on code in PR #5578:
URL: https://github.com/apache/hive/pull/5578#discussion_r1917827679
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java:
##########
@@ -10420,6 +10522,100 @@ public boolean deleteTableColumnStatistics(String
catName, String dbName, String
return ret;
}
+ @Override
+ public boolean deleteTableMultiColumnStatistics(String catName, String
dbName, String tableName,
+ List<String> colNames, String
engine)
+ throws NoSuchObjectException, MetaException, InvalidObjectException,
InvalidInputException {
+ boolean ret = false;
+ Query query = null;
+ dbName = org.apache.commons.lang3.StringUtils.defaultString(dbName,
+ Warehouse.DEFAULT_DATABASE_NAME);
+ if (tableName == null) {
+ throw new InvalidInputException("Table name is null.");
+ }
+ try {
+ openTransaction();
+ MTable mTable = getMTable(catName, dbName, tableName);
+ MTableColumnStatistics mStatsObj;
+ List<MTableColumnStatistics> mStatsObjColl;
+ if (mTable == null) {
+ throw new NoSuchObjectException("Table " +
+ TableName.getQualified(catName, dbName, tableName)
+ + " for which stats deletion is requested doesn't exist");
+ }
+ // Note: this does not verify ACID state; called internally when
removing cols/etc.
+ // Also called via an unused metastore API that checks for ACID
tables.
+ query = pm.newQuery(MTableColumnStatistics.class);
+ String filter;
+ String parameters;
+ if (colNames != null) {
+ filter = "table.tableName == t1 && table.database.name == t2 &&
table.database.catalogName == t3 && t4.contains(colName)" + (engine != null ? "
&& engine == t5" : "");
+ parameters = "java.lang.String t1, java.lang.String t2,
java.lang.String t3, java.util.Collection t4" + (engine != null ? ",
java.lang.String t5" : "");
+ } else {
+ filter = "table.tableName == t1 && table.database.name == t2 &&
table.database.catalogName == t3" + (engine != null ? " && engine == t4" : "");
+ parameters = "java.lang.String t1, java.lang.String t2,
java.lang.String t3" + (engine != null ? ", java.lang.String t4" : "");
+ }
+
+ query.setFilter(filter);
+ query.declareParameters(parameters);
+ if (colNames != null) {
+ query.setUnique(true);
Review Comment:
Acknowledged.
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