Github user samarthjain commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/153#discussion_r58468394
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/util/UpgradeUtil.java ---
@@ -1279,4 +1304,129 @@ public static boolean truncateStats(HTableInterface
metaTable, HTableInterface s
}
return false;
}
+
+ public static void mapTableToNamespace(HBaseAdmin admin,
HTableInterface metatable, String srcTableName,
+ String destTableName, ReadOnlyProps props, Long ts, String
phoenixTableName, PTableType pTableType)
+ throws SnapshotCreationException,
IllegalArgumentException, IOException, InterruptedException,
+ SQLException {
+ srcTableName = SchemaUtil.normalizeIdentifier(srcTableName);
+ if (!SchemaUtil.isNamespaceMappingEnabled(
+ SchemaUtil.isSystemTable(srcTableName.getBytes()) ?
PTableType.SYSTEM : null,
+ props)) { throw new
IllegalArgumentException(SchemaUtil.isSystemTable(srcTableName.getBytes())
+ ? "For system table " +
QueryServices.IS_SYSTEM_TABLE_MAPPED_TO_NAMESPACE
+ + " also needs to be enabled along with "
+ QueryServices.IS_NAMESPACE_MAPPING_ENABLED
+ : QueryServices.IS_NAMESPACE_MAPPING_ENABLED + "
is not enabled"); }
+
+ if (PTableType.TABLE.equals(pTableType) ||
PTableType.INDEX.equals(pTableType)) {
+ admin.snapshot(srcTableName, srcTableName);
+ admin.cloneSnapshot(srcTableName.getBytes(),
destTableName.getBytes());
+ admin.disableTable(srcTableName);
+ admin.deleteTable(srcTableName);
+ }
+ if (phoenixTableName == null) {
--- End diff --
This looks a bit hacky/unclear to me. When can phoenixTableName be null
here? And when is it ok to use the srcTableName. At a minimum some method
comments would help.
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