Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/12#discussion_r17635505
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/schema/MetaDataClient.java ---
@@ -462,6 +471,60 @@ public MutationState createTable(CreateTableStatement
statement, byte[][] splits
return connection.getQueryServices().updateData(plan);
}
+ public MutationState updateStatistics(UpdateStatisticsStatement
updateStatisticsStmt) throws SQLException {
+ String tableName =
updateStatisticsStmt.getTable().getName().getTableName();
+ // Check before updating the stats if we have reached the
configured time to reupdate the stats once again
+ long minTimeForStatsUpdate =
connection.getQueryServices().getProps()
+ .getLong(StatisticsConstants.MIN_STATS_FREQ_UPDATION,
StatisticsConstants.DEFAULT_STATS_FREQ_UPDATION);
+ ColumnResolver resolver =
FromCompiler.getResolver(updateStatisticsStmt, connection);
+ PTable table = resolver.getTables().get(0).getTable();
+ PName physicalName = table.getPhysicalName();
+ byte[] tenantIdBytes = ByteUtil.EMPTY_BYTE_ARRAY;
+ KeyRange analyzeRange = KeyRange.EVERYTHING_RANGE;
+ if (connection.getTenantId() != null) {
+ tenantIdBytes = connection.getTenantId().getBytes();
+ List<List<KeyRange>> tenantIdKeyRanges =
Collections.singletonList(Collections.singletonList(KeyRange
+ .getKeyRange(tenantIdBytes)));
+ byte[] lowerRange =
ScanUtil.getMinKey(table.getRowKeySchema(), tenantIdKeyRanges,
+ ScanUtil.SINGLE_COLUMN_SLOT_SPAN);
+ byte[] upperRange =
ScanUtil.getMaxKey(table.getRowKeySchema(), tenantIdKeyRanges,
+ ScanUtil.SINGLE_COLUMN_SLOT_SPAN);
+ analyzeRange = KeyRange.getKeyRange(lowerRange, upperRange);
+ }
+ byte[] schemaNameBytes = ByteUtil.EMPTY_BYTE_ARRAY;
+ if (connection.getSchema() != null) {
+ schemaNameBytes = Bytes.toBytes(connection.getSchema());
+ }
+
+ Long scn = connection.getSCN();
+ // Always invalidate the cache
+ long clientTS = connection.getSCN() == null ?
HConstants.LATEST_TIMESTAMP : scn;
+ connection.getQueryServices().clearCacheForTable(schemaNameBytes,
Bytes.toBytes(tableName),
+ clientTS);
+ String schema = Bytes.toString(schemaNameBytes);
+ // Clear the cache also. So that for cases like major compaction
also we would be able to use the stats
+ updateCache(schema, tableName, true);
--- End diff --
The code from line 499-506 is not necessary and should be removed. See
above for getting the schemaName. The method you're using
connection.getSchema() is not what you want to use (it always returns null).
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