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[HUDI-5074] Warn if table for metastore sync has capitals in it #7077

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merged 3 commits into from Nov 2, 2022
Merged

[HUDI-5074] Warn if table for metastore sync has capitals in it #7077

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093498f
added and tested change
Oct 27, 2022
8b4fe71
removed debug prints
Oct 27, 2022
7f91a9b
made suggested change to warning message
Oct 31, 2022
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8 changes: 7 additions & 1 deletion ...sync/hudi-sync-common/src/main/java/org/apache/hudi/sync/common/util/SyncUtilHelpers.java
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Expand Up @@ -27,14 +27,16 @@

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import java.util.Properties;

/**
* Helper class for syncing Hudi commit data with external metastores.
*/
public class SyncUtilHelpers {

private static final Logger LOG = LogManager.getLogger(SyncUtilHelpers.class);
/**
* Create an instance of an implementation of {@link HoodieSyncTool} that will sync all the relevant meta information
* with an external metastore such as Hive etc. to ensure Hoodie tables can be queried or read via external systems.
Expand Down Expand Up @@ -69,6 +71,10 @@ static HoodieSyncTool instantiateMetaSyncTool(String syncToolClassName,
properties.putAll(props);
properties.put(HoodieSyncConfig.META_SYNC_BASE_PATH.key(), targetBasePath);
properties.put(HoodieSyncConfig.META_SYNC_BASE_FILE_FORMAT.key(), baseFileFormat);
String tableName = properties.getString(HoodieSyncConfig.META_SYNC_TABLE_NAME.key());
if (!tableName.equals(tableName.toLowerCase())) {
LOG.warn("Table name \"" + tableName + "\" contains capital letters. Your metastore may automatically convert this to lower case and can cause table not found errors during subsequent syncs.");
}

if (ReflectionUtils.hasConstructor(syncToolClassName,
new Class<?>[] {Properties.class, Configuration.class})) {
Expand Down