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Hive 29279: Make table ddl task work with catalog #6252

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c46bb2a
Support create table by cat.db.tbl syntax
zhangbutao Dec 26, 2025
ee2a30e
Support show tables from non-default catalog
zhangbutao Dec 26, 2025
d3a0dd0
Support show create table from non-default catalog
zhangbutao Dec 30, 2025
fd148b0
Support show drop table from non-default catalog.
zhangbutao Jan 14, 2026
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27 changes: 21 additions & 6 deletions parser/src/java/org/apache/hadoop/hive/ql/parse/FromClauseParser.g
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Original file line number Diff line number Diff line change
Expand Up @@ -243,12 +243,27 @@ tableName
@init { gParent.pushMsg("table name", state); }
@after { gParent.popMsg(state); }
:
db=identifier DOT tab=identifier (DOT meta=identifier)?
{tables.add(new ImmutablePair<>($db.text, $tab.text));}
-> ^(TOK_TABNAME $db $tab $meta?)
|
tab=identifier
{tables.add(new ImmutablePair<>(null, $tab.text));}
// case 1：catalog.db.table(.meta)?
(cat=identifier DOT db=identifier DOT tab=identifier (DOT meta=identifier)?)
=>
cat=identifier DOT db=identifier DOT tab=identifier (DOT meta=identifier)?
{
tables.add(new ImmutablePair<>($cat.text + "." + $db.text, $tab.text));
}
-> ^(TOK_TABNAME $cat $db $tab $meta?)

// case 2：db.table
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@Aggarwal-Raghav Aggarwal-Raghav Dec 29, 2025 •
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@zhangbutao , For iceberg meta tables like snapshots, files etc. the select * from db.tbl.meta should work which is the existing behaviour. Meaning, case 2 should have meta? IMO. Won't it misinterpret this example select with the case 1?

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@zhangbutao zhangbutao Dec 30, 2025

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Yes. There will be a breaking change here. We cannot distinguish between the semantic expressions cat.db.tbl and db.tbl.meta, so for Iceberg's meta tables, I will switch to using the format cat.db.tbl.meta, or reference Trino's approach as shown at https://trino.io/docs/current/connector/iceberg.html#metadata-tables, for example: SELECT * FROM "test_table$properties". In any case, this will cause backward compatibility issues.

Regarding this breaking change, I will initiate a discussion in the dev community mailing list to see if anyone has better suggestions.

| db=identifier DOT tab=identifier
{
tables.add(new ImmutablePair<>($db.text, $tab.text));
}
-> ^(TOK_TABNAME $db $tab)

// case 3：table
| tab=identifier
{
tables.add(new ImmutablePair<>(null, $tab.text));
}
-> ^(TOK_TABNAME $tab)
;

Expand Down
47 changes: 20 additions & 27 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/CreateTableAnalyzer.java
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Expand Up @@ -233,12 +233,13 @@ private static boolean isIcebergTable(Map<String, String> tblProps) {
.equalsIgnoreCase(tblProps.get(META_TABLE_STORAGE));
}

private String getDefaultLocation(String dbName, String tableName, boolean isExt)
throws SemanticException {
private String getDefaultLocation(TableName qualifiedTabName, boolean isExt)
throws SemanticException {
String tblLocation;
try {
Warehouse wh = new Warehouse(conf);
tblLocation = wh.getDefaultTablePath(db.getDatabase(dbName), tableName, isExt).toUri().getPath();
tblLocation = wh.getDefaultTablePath(db.getDatabase(qualifiedTabName.getCat(),
qualifiedTabName.getDb()), qualifiedTabName.getTable(), isExt).toUri().getPath();
} catch (MetaException | HiveException e) {
throw new SemanticException(e);
}
Expand All @@ -255,7 +256,7 @@ private String getDefaultLocation(String dbName, String tableName, boolean isExt
*/
private Map<String, String> validateAndAddDefaultProperties(Map<String, String> tblProp, boolean isExt,
StorageFormat storageFormat, String qualifiedTableName, List<Order> sortCols, boolean isMaterialization,
boolean isTemporaryTable, boolean isTransactional, boolean isManaged, String[] qualifiedTabName,
boolean isTemporaryTable, boolean isTransactional, boolean isManaged, TableName qualifiedTabName,
boolean isTableTypeChanged)
throws SemanticException {
Map<String, String> retValue = Optional.ofNullable(tblProp).orElseGet(HashMap::new);
Expand Down Expand Up @@ -316,7 +317,7 @@ private Map<String, String> validateAndAddDefaultProperties(Map<String, String>

if (isIcebergTable(retValue)) {
SessionStateUtil.addResourceOrThrow(conf, SessionStateUtil.DEFAULT_TABLE_LOCATION,
getDefaultLocation(qualifiedTabName[0], qualifiedTabName[1], true));
getDefaultLocation(qualifiedTabName, true));
}
return retValue;
}
Expand Down Expand Up @@ -348,7 +349,8 @@ private void updateDefaultTblProps(Map<String, String> source, Map<String, Strin
*/
ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
throws SemanticException {
TableName qualifiedTabName = getQualifiedTableName((ASTNode) ast.getChild(0));
String currentCatalog = HiveUtils.getCurrentCatalogOrDefault(conf);
TableName qualifiedTabName = getQualifiedTableName((ASTNode) ast.getChild(0), currentCatalog);
final String dbDotTab = qualifiedTabName.getNotEmptyDbTable();

String likeTableName = null;
Expand Down Expand Up @@ -636,11 +638,9 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
}
tblProps =
validateAndAddDefaultProperties(tblProps, isExt, storageFormat, dbDotTab, sortCols, isMaterialization,
isTemporary, isTransactional, isManaged,
new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()}, isDefaultTableTypeChanged);
isTemporary, isTransactional, isManaged, qualifiedTabName, isDefaultTableTypeChanged);
isExt = isExternalTableChanged(tblProps, isTransactional, isExt, isDefaultTableTypeChanged);
addDbAndTabToOutputs(new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()},
TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);
addDbAndTabToOutputs(qualifiedTabName, TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);
if (!Strings.isNullOrEmpty(sortOrder)) {
tblProps.put("default-sort-order", sortOrder);
}
Expand All @@ -665,7 +665,7 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
if (location != null) {
tblLocation = location;
} else {
tblLocation = getDefaultLocation(qualifiedTabName.getDb(), qualifiedTabName.getTable(), isExt);
tblLocation = getDefaultLocation(qualifiedTabName, isExt);
}
boolean isNativeColumnDefaultSupported = false;
try {
Expand Down Expand Up @@ -699,11 +699,9 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
}
tblProps =
validateAndAddDefaultProperties(tblProps, isExt, storageFormat, dbDotTab, sortCols, isMaterialization,
isTemporary, isTransactional, isManaged,
new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()}, isDefaultTableTypeChanged);
isTemporary, isTransactional, isManaged, qualifiedTabName, isDefaultTableTypeChanged);
isExt = isExternalTableChanged(tblProps, isTransactional, isExt, isDefaultTableTypeChanged);
addDbAndTabToOutputs(new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()},
TableType.MANAGED_TABLE, false, tblProps, storageFormat);
addDbAndTabToOutputs(qualifiedTabName, TableType.MANAGED_TABLE, false, tblProps, storageFormat);

CreateTableDesc crtTranTblDesc =
new CreateTableDesc(qualifiedTabName, isExt, isTemporary, cols, partCols, bucketCols, sortCols, numBuckets,
Expand All @@ -726,14 +724,10 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)

tblProps =
validateAndAddDefaultProperties(tblProps, isExt, storageFormat, dbDotTab, sortCols, isMaterialization,
isTemporary,

isTransactional, isManaged, new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()},
isDefaultTableTypeChanged);
isTemporary, isTransactional, isManaged, qualifiedTabName, isDefaultTableTypeChanged);
tblProps.put(hive_metastoreConstants.TABLE_IS_CTLT, "true");
isExt = isExternalTableChanged(tblProps, isTransactional, isExt, isDefaultTableTypeChanged);
addDbAndTabToOutputs(new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()},
TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);
addDbAndTabToOutputs(qualifiedTabName, TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);

Table likeTable = getTable(likeTableName, false);
if (likeTable != null) {
Expand All @@ -750,10 +744,10 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
isExt = true;
}
CreateTableLikeDesc crtTblLikeDesc =
new CreateTableLikeDesc(dbDotTab, isExt, isTemporary, storageFormat.getInputFormat(),
new CreateTableLikeDesc(qualifiedTabName, isExt, isTemporary, storageFormat.getInputFormat(),
storageFormat.getOutputFormat(), location, storageFormat.getSerde(), storageFormat.getSerdeProps(),
tblProps, ifNotExists, likeTableName, isUserStorageFormat);
tblLocation = getDefaultLocation(qualifiedTabName.getDb(), qualifiedTabName.getTable(), isExt);
tblLocation = getDefaultLocation(qualifiedTabName, isExt);
SessionStateUtil.addResource(conf, META_TABLE_LOCATION, tblLocation);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), crtTblLikeDesc)));
break;
Expand Down Expand Up @@ -815,7 +809,7 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
}
tblLocation = location;
} else {
tblLocation = getDefaultLocation(qualifiedTabName.getDb(), qualifiedTabName.getTable(), isExt);
tblLocation = getDefaultLocation(qualifiedTabName, isExt);
}
SessionStateUtil.addResource(conf, META_TABLE_LOCATION, tblLocation);
if (!CollectionUtils.isEmpty(partCols)) {
Expand All @@ -825,11 +819,10 @@ ASTNode analyzeCreateTable(ASTNode ast, QB qb, PlannerContext plannerCtx)
tblProps =
validateAndAddDefaultProperties(tblProps, isExt, storageFormat, dbDotTab, sortCols, isMaterialization,
isTemporary, isTransactional, isManaged,
new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()}, isDefaultTableTypeChanged);
qualifiedTabName, isDefaultTableTypeChanged);
isExt = isExternalTableChanged(tblProps, isTransactional, isExt, isDefaultTableTypeChanged);
tblProps.put(TABLE_IS_CTAS, "true");
addDbAndTabToOutputs(new String[]{qualifiedTabName.getDb(), qualifiedTabName.getTable()},
TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);
addDbAndTabToOutputs(qualifiedTabName, TableType.MANAGED_TABLE, isTemporary, tblProps, storageFormat);
tableDesc = new CreateTableDesc(qualifiedTabName, isExt, isTemporary, cols, partColNames, bucketCols, sortCols,
numBuckets, rowFormatParams.getFieldDelim(), rowFormatParams.getFieldEscape(),
rowFormatParams.getCollItemDelim(), rowFormatParams.getMapKeyDelim(), rowFormatParams.getLineDelim(),
Expand Down
7 changes: 4 additions & 3 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/like/CreateTableLikeDesc.java
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Expand Up @@ -25,6 +25,7 @@
import java.util.HashMap;
import java.util.Map;

import org.apache.hadoop.hive.common.TableName;
import org.apache.hadoop.hive.ql.ddl.DDLDesc;
import org.apache.hadoop.hive.ql.plan.Explain;
import org.apache.hadoop.hive.ql.plan.Explain.Level;
Expand All @@ -36,7 +37,7 @@
public class CreateTableLikeDesc implements DDLDesc, Serializable {
private static final long serialVersionUID = 1L;

private final String tableName;
private final TableName tableName;
private boolean isExternal;
private final boolean isTemporary;
private final String defaultInputFormat;
Expand All @@ -49,7 +50,7 @@ public class CreateTableLikeDesc implements DDLDesc, Serializable {
private final String likeTableName;
private final boolean isUserStorageFormat;

public CreateTableLikeDesc(String tableName, boolean isExternal, boolean isTemporary, String defaultInputFormat,
public CreateTableLikeDesc(TableName tableName, boolean isExternal, boolean isTemporary, String defaultInputFormat,
String defaultOutputFormat, String location, String defaultSerName, Map<String, String> defaultSerdeProps,
Map<String, String> tblProps, boolean ifNotExists, String likeTableName, boolean isUserStorageFormat) {
this.tableName = tableName;
Expand All @@ -72,7 +73,7 @@ public boolean getIfNotExists() {
}

@Explain(displayName = "name", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
public String getTableName() {
public TableName getTableName() {
return tableName;
}

Expand Down
7 changes: 3 additions & 4 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/like/CreateTableLikeOperation.java
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Expand Up @@ -85,7 +85,7 @@ public int execute() throws HiveException {
}

private Table createViewLikeTable(Table oldTable) throws HiveException {
Table table = context.getDb().newTable(desc.getTableName());
Table table = context.getDb().getTable(desc.getTableName());

if (desc.getTblProps() != null) {
table.getTTable().getParameters().putAll(desc.getTblProps());
Expand Down Expand Up @@ -115,9 +115,8 @@ private Table createViewLikeTable(Table oldTable) throws HiveException {

private Table createTableLikeTable(Table table, Map<String, String> originalProperties)
throws SemanticException, HiveException {
String[] names = Utilities.getDbTableName(desc.getTableName());
table.setDbName(names[0]);
table.setTableName(names[1]);
table.setDbName(desc.getTableName().getDb());
table.setTableName(desc.getTableName().getTable());
table.setOwner(SessionState.getUserFromAuthenticator());

setUserSpecifiedLocation(table);
Expand Down
18 changes: 11 additions & 7 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/show/ShowCreateTableAnalyzer.java
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Expand Up @@ -18,9 +18,9 @@

package org.apache.hadoop.hive.ql.ddl.table.create.show;

import java.util.Map.Entry;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.Triple;
import org.apache.hadoop.hive.common.TableName;
import org.apache.hadoop.hive.ql.QueryState;
import org.apache.hadoop.hive.ql.ddl.DDLWork;
import org.apache.hadoop.hive.ql.ddl.DDLSemanticAnalyzerFactory.DDLType;
Expand All @@ -46,17 +46,21 @@ public ShowCreateTableAnalyzer(QueryState queryState) throws SemanticException {
public void analyzeInternal(ASTNode root) throws SemanticException {
ctx.setResFile(ctx.getLocalTmpPath());

Entry<String, String> tableIdentifier = getDbTableNamePair((ASTNode) root.getChild(0));
if (tableIdentifier.getValue().contains(".")) {
Triple<String, String, String> tableIdentifier = getCatDbTableNameTriple((ASTNode) root.getChild(0));
if (tableIdentifier.toString().contains(".")) {
throw new SemanticException("The SHOW CREATE TABLE command is not supported for metadata tables.");
}
Table table = getTable(tableIdentifier.getKey(), tableIdentifier.getValue(), true);
String catName = tableIdentifier.getLeft();
String dbName = tableIdentifier.getMiddle();
String tblName = tableIdentifier.getRight();
TableName tableName = new TableName(catName, dbName, tblName);
Table table = getTable(tableName, true);

inputs.add(new ReadEntity(table));

// If no DB was specified in statement, do not include it in the final output
ShowCreateTableDesc desc = new ShowCreateTableDesc(table.getDbName(), table.getTableName(),
ctx.getResFile().toString(), StringUtils.isBlank(tableIdentifier.getKey()));
ShowCreateTableDesc desc = new ShowCreateTableDesc(table.getCatName(), table.getDbName(), table.getTableName(),
ctx.getResFile().toString(), StringUtils.isBlank(tableIdentifier.getMiddle()));
Task<DDLWork> task = TaskFactory.get(new DDLWork(getInputs(), getOutputs(), desc));
rootTasks.add(task);

Expand Down
9 changes: 8 additions & 1 deletion ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/show/ShowCreateTableDesc.java
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Expand Up @@ -33,12 +33,14 @@ public class ShowCreateTableDesc implements DDLDesc, Serializable {

public static final String SCHEMA = "createtab_stmt#string";

private final String catalogName;
private final String databaseName;
private final String tableName;
private final String resFile;
private final boolean isRelative;

public ShowCreateTableDesc(String databaseName, String tableName, String resFile, boolean isRelative) {
public ShowCreateTableDesc(String catalogName, String databaseName, String tableName, String resFile, boolean isRelative) {
this.catalogName = catalogName;
this.databaseName = databaseName;
this.tableName = tableName;
this.resFile = resFile;
Expand All @@ -60,6 +62,11 @@ public String getDatabaseName() {
return databaseName;
}

@Explain(displayName = "catalog name", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
public String getCatalogName() {
return catalogName;
}

@Explain(displayName = "relative table location", explainLevels = { Level.EXTENDED })
public boolean isRelative() {
return isRelative;
Expand Down
8 changes: 3 additions & 5 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/create/show/ShowCreateTableOperation.java
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Expand Up @@ -23,13 +23,10 @@
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.TableName;
import org.apache.hadoop.hive.ql.ddl.DDLOperation;
import org.apache.hadoop.hive.ql.ddl.DDLOperationContext;
import org.apache.hadoop.hive.ql.ddl.ShowUtils;
Expand All @@ -50,7 +47,8 @@ public ShowCreateTableOperation(DDLOperationContext context, ShowCreateTableDesc
public int execute() throws HiveException {
// get the create table statement for the table and populate the output
try (DataOutputStream outStream = ShowUtils.getOutputStream(new Path(desc.getResFile()), context)) {
Table table = context.getDb().getTable(desc.getDatabaseName(), desc.getTableName());
TableName tn = new TableName(desc.getCatalogName(), desc.getDatabaseName(), desc.getTableName());
Table table = context.getDb().getTable(tn, true);
DDLPlanUtils ddlObj = new DDLPlanUtils();
String command;
if (table.isView()) {
Expand Down
8 changes: 4 additions & 4 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/drop/DropTableAnalyzer.java
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Expand Up @@ -49,17 +49,17 @@ public DropTableAnalyzer(QueryState queryState) throws SemanticException {
@Override
public void analyzeInternal(ASTNode root) throws SemanticException {
TableName qualTabName = getQualifiedTableName((ASTNode) root.getChild(0));
String tableName = qualTabName.getNotEmptyDbTable();
// String tableName = qualTabName.getNotEmptyDbTable();
boolean ifExists = (root.getFirstChildWithType(HiveParser.TOK_IFEXISTS) != null);
boolean throwException = !ifExists && !HiveConf.getBoolVar(conf, ConfVars.DROP_IGNORES_NON_EXISTENT);
//Authorize database for drop table command
// Skip db object if database doesn't exist
Database database = getDatabase(qualTabName.getDb(),false);
Database database = getDatabase(qualTabName.getCat(), qualTabName.getDb(),false);
if (database != null) {
outputs.add(new WriteEntity(database, WriteType.DDL_SHARED));
}

Table table = getTable(tableName, throwException);
Table table = getTable(qualTabName, throwException);
if (table != null) {
inputs.add(new ReadEntity(table));

Expand All @@ -70,7 +70,7 @@ public void analyzeInternal(ASTNode root) throws SemanticException {

boolean purge = (root.getFirstChildWithType(HiveParser.KW_PURGE) != null);
ReplicationSpec replicationSpec = new ReplicationSpec(root);
DropTableDesc desc = new DropTableDesc(tableName, ifExists, purge, replicationSpec);
DropTableDesc desc = new DropTableDesc(qualTabName, ifExists, purge, replicationSpec);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), desc)));
}
}
9 changes: 5 additions & 4 deletions ql/src/java/org/apache/hadoop/hive/ql/ddl/table/drop/DropTableDesc.java
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Expand Up @@ -20,6 +20,7 @@

import java.io.Serializable;

import org.apache.hadoop.hive.common.TableName;
import org.apache.hadoop.hive.ql.ddl.DDLDesc;
import org.apache.hadoop.hive.ql.parse.ReplicationSpec;
import org.apache.hadoop.hive.ql.plan.Explain;
Expand All @@ -32,17 +33,17 @@
public class DropTableDesc implements DDLDesc, Serializable {
private static final long serialVersionUID = 1L;

private final String tableName;
private final TableName tableName;
private final boolean ifExists;
private final boolean purge;
private final ReplicationSpec replicationSpec;
private final boolean validationRequired;

public DropTableDesc(String tableName, boolean ifExists, boolean ifPurge, ReplicationSpec replicationSpec) {
public DropTableDesc(TableName tableName, boolean ifExists, boolean ifPurge, ReplicationSpec replicationSpec) {
this(tableName, ifExists, ifPurge, replicationSpec, true);
}

public DropTableDesc(String tableName, boolean ifExists, boolean purge, ReplicationSpec replicationSpec,
public DropTableDesc(TableName tableName, boolean ifExists, boolean purge, ReplicationSpec replicationSpec,
boolean validationRequired) {
this.tableName = tableName;
this.ifExists = ifExists;
Expand All @@ -52,7 +53,7 @@ public DropTableDesc(String tableName, boolean ifExists, boolean purge, Replicat
}

@Explain(displayName = "table", explainLevels = { Level.USER, Level.DEFAULT, Level.EXTENDED })
public String getTableName() {
public TableName getTableName() {
return tableName;
}

Expand Down
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