dengzhhu653 commented on code in PR #6126:
URL: https://github.com/apache/hive/pull/6126#discussion_r2437961217
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java:
##########
@@ -1031,61 +1029,28 @@ private Path constructRenamedPath(Path defaultNewPath,
Path currentPath) {
defaultNewPath.toUri().getPath());
}
- public static List<ColumnStatistics> getColumnStats(RawStore msdb, Table
oldTable)
- throws NoSuchObjectException, MetaException {
- String catName = normalizeIdentifier(oldTable.isSetCatName()
- ? oldTable.getCatName()
- : getDefaultCatalog(msdb.getConf()));
- String dbName = oldTable.getDbName().toLowerCase();
- String tableName = normalizeIdentifier(oldTable.getTableName());
- List<String> columnNames =
oldTable.getSd().getCols().stream().map(FieldSchema::getName).collect(Collectors.toList());
- return msdb.getTableColumnStatistics(catName, dbName, tableName,
columnNames);
- }
-
@VisibleForTesting
- public static List<ColumnStatistics> deleteTableColumnStats(RawStore msdb,
Table oldTable, Table newTable, List<ColumnStatistics> multiColStats)
+ public void deleteTableColumnStats(RawStore msdb, Table oldTable, Table
newTable)
throws InvalidObjectException, MetaException {
- List<ColumnStatistics> newMultiColStats = new ArrayList<>();
try {
String catName = normalizeIdentifier(oldTable.isSetCatName()
? oldTable.getCatName()
: getDefaultCatalog(msdb.getConf()));
String dbName = oldTable.getDbName().toLowerCase();
String tableName = normalizeIdentifier(oldTable.getTableName());
- String newDbName = newTable.getDbName().toLowerCase();
- String newTableName = normalizeIdentifier(newTable.getTableName());
List<FieldSchema> oldTableCols = oldTable.getSd().getCols();
List<FieldSchema> newTableCols = newTable.getSd().getCols();
-
- boolean nameChanged = !newDbName.equals(dbName) ||
!newTableName.equals(tableName);
-
- if ((nameChanged ||
!MetaStoreServerUtils.columnsIncludedByNameType(oldTableCols, newTableCols)) &&
+ if (!columnsIncludedByNameType(oldTableCols, newTableCols) ||
+ !MetaStoreServerUtils.arePrefixColumns(oldTableCols, newTableCols) &&
Review Comment:
ack, thanks for the suggestion
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