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The following commit(s) were added to refs/heads/branch-3.0 by this push:
new 47c4604a6a0 branch-3.0: [fix](statistics)Change column statistics
table varchar length to 1024. (#43418)
47c4604a6a0 is described below
commit 47c4604a6a0aaa54c0e8dda3c4b46e03a194c9c2
Author: github-actions[bot]
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Tue Nov 12 10:14:21 2024 +0800
branch-3.0: [fix](statistics)Change column statistics table varchar length
to 1024. (#43418)
Cherry-picked from #43244
Co-authored-by: Jibing-Li <64681310+jibing...@users.noreply.github.com>
---
.../apache/doris/analysis/ModifyColumnClause.java | 4 ++
.../doris/catalog/InternalSchemaInitializer.java | 81 ++++++++++++++++++++++
.../doris/statistics/StatisticConstants.java | 2 +-
.../catalog/InternalSchemaInitializerTest.java | 75 ++++++++++++++++++++
4 files changed, 161 insertions(+), 1 deletion(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyColumnClause.java
b/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyColumnClause.java
index eb136c540f2..05a6b23d0d5 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyColumnClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/ModifyColumnClause.java
@@ -46,6 +46,10 @@ public class ModifyColumnClause extends AlterTableClause {
return column;
}
+ public void setColumn(Column column) {
+ this.column = column;
+ }
+
public ColumnPosition getColPos() {
return colPos;
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/InternalSchemaInitializer.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/InternalSchemaInitializer.java
index 590ade20d3b..aa25ef0eec3 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/InternalSchemaInitializer.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/InternalSchemaInitializer.java
@@ -19,6 +19,8 @@ package org.apache.doris.catalog;
import org.apache.doris.analysis.AlterClause;
import org.apache.doris.analysis.AlterTableStmt;
+import org.apache.doris.analysis.ColumnDef;
+import org.apache.doris.analysis.ColumnNullableType;
import org.apache.doris.analysis.CreateDbStmt;
import org.apache.doris.analysis.CreateTableStmt;
import org.apache.doris.analysis.DbName;
@@ -26,10 +28,13 @@ import org.apache.doris.analysis.DistributionDesc;
import org.apache.doris.analysis.DropTableStmt;
import org.apache.doris.analysis.HashDistributionDesc;
import org.apache.doris.analysis.KeysDesc;
+import org.apache.doris.analysis.ModifyColumnClause;
import org.apache.doris.analysis.ModifyPartitionClause;
import org.apache.doris.analysis.PartitionDesc;
import org.apache.doris.analysis.RangePartitionDesc;
import org.apache.doris.analysis.TableName;
+import org.apache.doris.analysis.TypeDef;
+import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.Config;
import org.apache.doris.common.DdlException;
import org.apache.doris.common.FeConstants;
@@ -43,6 +48,7 @@ import org.apache.doris.statistics.util.StatisticsUtil;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@@ -52,6 +58,7 @@ import java.util.List;
import java.util.Map;
import java.util.Optional;
+
public class InternalSchemaInitializer extends Thread {
private static final Logger LOG =
LogManager.getLogger(InternalSchemaInitializer.class);
@@ -64,6 +71,7 @@ public class InternalSchemaInitializer extends Thread {
if (!FeConstants.enableInternalSchemaDb) {
return;
}
+ modifyColumnStatsTblSchema();
while (!created()) {
try {
FrontendNodeType feType = Env.getCurrentEnv().getFeType();
@@ -98,6 +106,79 @@ public class InternalSchemaInitializer extends Thread {
modifyTblReplicaCount(database, AuditLoader.AUDIT_LOG_TABLE);
}
+ public void modifyColumnStatsTblSchema() {
+ while (true) {
+ try {
+ Table table = findStatsTable();
+ if (table == null) {
+ break;
+ }
+ table.writeLock();
+ try {
+ doSchemaChange(table);
+ break;
+ } finally {
+ table.writeUnlock();
+ }
+ } catch (Throwable t) {
+ LOG.warn("Failed to do schema change for stats table. Try
again later.", t);
+ }
+ try {
+ Thread.sleep(Config.resource_not_ready_sleep_seconds * 1000);
+ } catch (InterruptedException t) {
+ // IGNORE
+ }
+ }
+ }
+
+ public Table findStatsTable() {
+ // 1. check database exist
+ Optional<Database> dbOpt =
Env.getCurrentEnv().getInternalCatalog().getDb(FeConstants.INTERNAL_DB_NAME);
+ if (!dbOpt.isPresent()) {
+ return null;
+ }
+
+ // 2. check table exist
+ Database db = dbOpt.get();
+ Optional<Table> tableOp =
db.getTable(StatisticConstants.TABLE_STATISTIC_TBL_NAME);
+ return tableOp.orElse(null);
+ }
+
+ public void doSchemaChange(Table table) throws UserException {
+ List<AlterClause> clauses = getModifyColumnClauses(table);
+ if (!clauses.isEmpty()) {
+ TableName tableName = new
TableName(InternalCatalog.INTERNAL_CATALOG_NAME,
+ StatisticConstants.DB_NAME, table.getName());
+ AlterTableStmt alter = new AlterTableStmt(tableName, clauses);
+ Env.getCurrentEnv().alterTable(alter);
+ }
+ }
+
+ public List<AlterClause> getModifyColumnClauses(Table table) {
+ List<AlterClause> clauses = Lists.newArrayList();
+ for (Column col : table.fullSchema) {
+ if (col.isKey() && col.getType().isVarchar()
+ && col.getType().getLength() <
StatisticConstants.MAX_NAME_LEN) {
+ TypeDef typeDef = new TypeDef(
+
ScalarType.createVarchar(StatisticConstants.MAX_NAME_LEN), col.isAllowNull());
+ ColumnNullableType nullableType =
+ col.isAllowNull() ? ColumnNullableType.NULLABLE :
ColumnNullableType.NOT_NULLABLE;
+ ColumnDef columnDef = new ColumnDef(col.getName(), typeDef,
true, null,
+ nullableType, -1, new ColumnDef.DefaultValue(false,
null), "");
+ try {
+ columnDef.analyze(true);
+ } catch (AnalysisException e) {
+ LOG.warn("Failed to analyze column {}", col.getName());
+ continue;
+ }
+ ModifyColumnClause clause = new ModifyColumnClause(columnDef,
null, null, Maps.newHashMap());
+ clause.setColumn(columnDef.toColumn());
+ clauses.add(clause);
+ }
+ }
+ return clauses;
+ }
+
@VisibleForTesting
public static void modifyTblReplicaCount(Database database, String
tblName) {
if (Config.isCloudMode()
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticConstants.java
b/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticConstants.java
index 67de69c57da..c2479147ec7 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticConstants.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticConstants.java
@@ -35,7 +35,7 @@ public class StatisticConstants {
public static final String PARTITION_STATISTIC_TBL_NAME =
"partition_statistics";
public static final String HISTOGRAM_TBL_NAME = "histogram_statistics";
- public static final int MAX_NAME_LEN = 64;
+ public static final int MAX_NAME_LEN = 1024;
public static final int ID_LEN = 4096;
diff --git
a/fe/fe-core/src/test/java/org/apache/doris/catalog/InternalSchemaInitializerTest.java
b/fe/fe-core/src/test/java/org/apache/doris/catalog/InternalSchemaInitializerTest.java
new file mode 100644
index 00000000000..1eb003e81b9
--- /dev/null
+++
b/fe/fe-core/src/test/java/org/apache/doris/catalog/InternalSchemaInitializerTest.java
@@ -0,0 +1,75 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package org.apache.doris.catalog;
+
+import org.apache.doris.analysis.AlterClause;
+import org.apache.doris.analysis.ModifyColumnClause;
+import org.apache.doris.datasource.hive.HMSExternalTable;
+import org.apache.doris.statistics.StatisticConstants;
+
+import com.google.common.collect.Lists;
+import mockit.Mock;
+import mockit.MockUp;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+class InternalSchemaInitializerTest {
+ @Test
+ public void testGetModifyColumn() {
+ new MockUp<HMSExternalTable>() {
+ @Mock
+ public HMSExternalTable.DLAType getDlaType() {
+ return HMSExternalTable.DLAType.HUDI;
+ }
+ };
+
+ InternalSchemaInitializer initializer = new
InternalSchemaInitializer();
+ OlapTable table = new OlapTable();
+ Column key1 = new Column("key1", ScalarType.createVarcharType(100),
true, null, false, null, "");
+ Column key2 = new Column("key2", ScalarType.createVarcharType(100),
true, null, true, null, "");
+ Column key3 = new Column("key3", ScalarType.createVarcharType(1024),
true, null, null, "");
+ Column key4 = new Column("key4", ScalarType.createVarcharType(1025),
true, null, null, "");
+ Column key5 = new Column("key5", ScalarType.INT, true, null, null, "");
+ Column value1 = new Column("value1", ScalarType.INT, false, null,
null, "");
+ Column value2 = new Column("value2",
ScalarType.createVarcharType(100), false, null, null, "");
+ List<Column> schema = Lists.newArrayList();
+ schema.add(key1);
+ schema.add(key2);
+ schema.add(key3);
+ schema.add(key4);
+ schema.add(key5);
+ schema.add(value1);
+ schema.add(value2);
+ table.fullSchema = schema;
+ List<AlterClause> modifyColumnClauses =
initializer.getModifyColumnClauses(table);
+ Assertions.assertEquals(2, modifyColumnClauses.size());
+ ModifyColumnClause clause1 = (ModifyColumnClause)
modifyColumnClauses.get(0);
+ Assertions.assertEquals("key1", clause1.getColumn().getName());
+ Assertions.assertEquals(StatisticConstants.MAX_NAME_LEN,
clause1.getColumn().getType().getLength());
+ Assertions.assertFalse(clause1.getColumn().isAllowNull());
+
+ ModifyColumnClause clause2 = (ModifyColumnClause)
modifyColumnClauses.get(1);
+ Assertions.assertEquals("key2", clause2.getColumn().getName());
+ Assertions.assertEquals(StatisticConstants.MAX_NAME_LEN,
clause2.getColumn().getType().getLength());
+ Assertions.assertTrue(clause2.getColumn().isAllowNull());
+
+ }
+
+}
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