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new 4c3d4ee73de [improvement](statistics nereids)Nereids support select
mv. (#30267) (#30334)
4c3d4ee73de is described below
commit 4c3d4ee73defc212d1beb4171ec7ba7201ee3d7e
Author: Jibing-Li <64681310+jibing...@users.noreply.github.com>
AuthorDate: Thu Jan 25 12:00:41 2024 +0800
[improvement](statistics nereids)Nereids support select mv. (#30267)
(#30334)
---
.../antlr4/org/apache/doris/nereids/DorisParser.g4 | 6 +-
.../doris/nereids/analyzer/UnboundRelation.java | 20 +++--
.../doris/nereids/parser/LogicalPlanBuilder.java | 7 +-
.../doris/nereids/rules/analysis/BindRelation.java | 19 ++++-
.../rules/implementation/AggregateStrategies.java | 6 +-
.../trees/plans/logical/LogicalOlapScan.java | 35 +++++---
regression-test/data/statistics/test_select_mv.out | 47 +++++++++++
.../suites/statistics/test_select_mv.groovy | 97 ++++++++++++++++++++++
8 files changed, 214 insertions(+), 23 deletions(-)
diff --git a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
index fe15f61d6d5..5037f3f43aa 100644
--- a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
+++ b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
@@ -260,7 +260,7 @@ identifierSeq
;
relationPrimary
- : multipartIdentifier specifiedPartition?
+ : multipartIdentifier materializedViewName? specifiedPartition?
tabletList? tableAlias sample? relationHint? lateralView*
#tableName
| LEFT_PAREN query RIGHT_PAREN tableAlias lateralView*
#aliasedQuery
| tvfName=identifier LEFT_PAREN
@@ -272,6 +272,10 @@ property
: key=propertyItem EQ value=propertyItem
;
+materializedViewName
+ : INDEX indexName=identifier
+ ;
+
propertyItem : identifier | constant ;
tableAlias
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundRelation.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundRelation.java
index dd0033e9e5d..c1971aab721 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundRelation.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundRelation.java
@@ -51,21 +51,22 @@ public class UnboundRelation extends LogicalRelation
implements Unbound {
private final boolean isTempPart;
private final List<String> hints;
private final Optional<TableSample> tableSample;
+ private final Optional<String> indexName;
public UnboundRelation(RelationId id, List<String> nameParts) {
this(id, nameParts, Optional.empty(), Optional.empty(),
ImmutableList.of(), false, ImmutableList.of(),
- ImmutableList.of(), Optional.empty());
+ ImmutableList.of(), Optional.empty(), Optional.empty());
}
public UnboundRelation(RelationId id, List<String> nameParts, List<String>
partNames, boolean isTempPart) {
this(id, nameParts, Optional.empty(), Optional.empty(), partNames,
isTempPart, ImmutableList.of(),
- ImmutableList.of(), Optional.empty());
+ ImmutableList.of(), Optional.empty(), Optional.empty());
}
public UnboundRelation(RelationId id, List<String> nameParts, List<String>
partNames, boolean isTempPart,
- List<Long> tabletIds, List<String> hints, Optional<TableSample>
tableSample) {
+ List<Long> tabletIds, List<String> hints, Optional<TableSample>
tableSample, Optional<String> indexName) {
this(id, nameParts, Optional.empty(), Optional.empty(),
- partNames, isTempPart, tabletIds, hints, tableSample);
+ partNames, isTempPart, tabletIds, hints, tableSample,
indexName);
}
/**
@@ -73,7 +74,7 @@ public class UnboundRelation extends LogicalRelation
implements Unbound {
*/
public UnboundRelation(RelationId id, List<String> nameParts,
Optional<GroupExpression> groupExpression,
Optional<LogicalProperties> logicalProperties, List<String>
partNames, boolean isTempPart,
- List<Long> tabletIds, List<String> hints, Optional<TableSample>
tableSample) {
+ List<Long> tabletIds, List<String> hints, Optional<TableSample>
tableSample, Optional<String> indexName) {
super(id, PlanType.LOGICAL_UNBOUND_RELATION, groupExpression,
logicalProperties);
this.nameParts =
ImmutableList.copyOf(Objects.requireNonNull(nameParts, "nameParts should not
null"));
this.partNames =
ImmutableList.copyOf(Objects.requireNonNull(partNames, "partNames should not
null"));
@@ -81,6 +82,7 @@ public class UnboundRelation extends LogicalRelation
implements Unbound {
this.isTempPart = isTempPart;
this.hints = ImmutableList.copyOf(Objects.requireNonNull(hints, "hints
should not be null."));
this.tableSample = tableSample;
+ this.indexName = indexName;
}
public List<String> getNameParts() {
@@ -101,14 +103,14 @@ public class UnboundRelation extends LogicalRelation
implements Unbound {
public Plan withGroupExpression(Optional<GroupExpression> groupExpression)
{
return new UnboundRelation(relationId, nameParts,
groupExpression, Optional.of(getLogicalProperties()),
- partNames, isTempPart, tabletIds, hints, tableSample);
+ partNames, isTempPart, tabletIds, hints, tableSample,
indexName);
}
@Override
public Plan withGroupExprLogicalPropChildren(Optional<GroupExpression>
groupExpression,
Optional<LogicalProperties> logicalProperties, List<Plan>
children) {
return new UnboundRelation(relationId, nameParts, groupExpression,
logicalProperties, partNames,
- isTempPart, tabletIds, hints, tableSample);
+ isTempPart, tabletIds, hints, tableSample, indexName);
}
@Override
@@ -151,6 +153,10 @@ public class UnboundRelation extends LogicalRelation
implements Unbound {
return tabletIds;
}
+ public Optional<String> getIndexName() {
+ return indexName;
+ }
+
public List<String> getHints() {
return hints;
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
index 767f906972c..df42620d116 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
@@ -635,6 +635,11 @@ public class LogicalPlanBuilder extends
DorisParserBaseVisitor<Object> {
}
}
+ Optional<String> indexName = Optional.empty();
+ if (ctx.materializedViewName() != null) {
+ indexName =
Optional.ofNullable(ctx.materializedViewName().indexName.getText());
+ }
+
List<Long> tabletIdLists = new ArrayList<>();
if (ctx.tabletList() != null) {
ctx.tabletList().tabletIdList.stream().forEach(tabletToken -> {
@@ -653,7 +658,7 @@ public class LogicalPlanBuilder extends
DorisParserBaseVisitor<Object> {
LogicalPlan checkedRelation = withCheckPolicy(
new UnboundRelation(StatementScopeIdGenerator.newRelationId(),
tableId, partitionNames, isTempPart, tabletIdLists,
relationHints,
- Optional.ofNullable(tableSample)));
+ Optional.ofNullable(tableSample), indexName));
LogicalPlan plan = withTableAlias(checkedRelation, ctx.tableAlias());
for (LateralViewContext lateralViewContext : ctx.lateralView()) {
plan = withGenerate(plan, lateralViewContext);
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindRelation.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindRelation.java
index c4d4e3ac9b5..9317569d3f8 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindRelation.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindRelation.java
@@ -189,13 +189,26 @@ public class BindRelation extends OneAnalysisRuleFactory {
(OlapTable) table,
ImmutableList.of(tableQualifier.get(1)), partIds,
tabletIds, unboundRelation.getHints(),
unboundRelation.getTableSample());
} else {
- scan = new LogicalOlapScan(unboundRelation.getRelationId(),
+ Optional<String> indexName = unboundRelation.getIndexName();
+ if (indexName.isPresent()) {
+ OlapTable olapTable = (OlapTable) table;
+ Long indexId = olapTable.getIndexIdByName(indexName.get());
+ if (indexId == null) {
+ throw new AnalysisException("Table " + olapTable.getName()
+ + " doesn't have materialized view " +
indexName.get());
+ }
+ scan = new LogicalOlapScan(unboundRelation.getRelationId(),
+ (OlapTable) table,
ImmutableList.of(tableQualifier.get(1)), tabletIds, indexId,
+ unboundRelation.getHints(),
unboundRelation.getTableSample());
+ } else {
+ scan = new LogicalOlapScan(unboundRelation.getRelationId(),
(OlapTable) table,
ImmutableList.of(tableQualifier.get(1)), tabletIds, unboundRelation.getHints(),
unboundRelation.getTableSample());
+ }
}
if (!Util.showHiddenColumns() && scan.getTable().hasDeleteSign()
- && !ConnectContext.get().getSessionVariable()
- .skipDeleteSign()) {
+ && !ConnectContext.get().getSessionVariable().skipDeleteSign()
+ && !scan.isDirectMvScan()) {
// table qualifier is catalog.db.table, we make db.table.column
Slot deleteSlot = null;
for (Slot slot : scan.getOutput()) {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/implementation/AggregateStrategies.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/implementation/AggregateStrategies.java
index a0eb011ba92..f7815224dc9 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/implementation/AggregateStrategies.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/implementation/AggregateStrategies.java
@@ -528,10 +528,14 @@ public class AggregateStrategies implements
ImplementationRuleFactory {
return canNotPush;
}
if (logicalScan instanceof LogicalOlapScan) {
- KeysType keysType = ((LogicalOlapScan)
logicalScan).getTable().getKeysType();
+ LogicalOlapScan logicalOlapScan = (LogicalOlapScan) logicalScan;
+ KeysType keysType = logicalOlapScan.getTable().getKeysType();
if (functionClasses.contains(Count.class) && keysType !=
KeysType.DUP_KEYS) {
return canNotPush;
}
+ if (functionClasses.contains(Count.class) &&
logicalOlapScan.isDirectMvScan()) {
+ return canNotPush;
+ }
}
if (aggregateFunctions.stream().anyMatch(fun -> fun.arity() > 1)) {
return canNotPush;
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalOlapScan.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalOlapScan.java
index 69166318989..f496eaa47fc 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalOlapScan.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/LogicalOlapScan.java
@@ -108,6 +108,8 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
private final Optional<TableSample> tableSample;
+ private final boolean directMvScan;
+
public LogicalOlapScan(RelationId id, OlapTable table) {
this(id, table, ImmutableList.of());
}
@@ -117,7 +119,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
table.getPartitionIds(), false,
ImmutableList.of(),
-1, false, PreAggStatus.on(), ImmutableList.of(),
ImmutableList.of(),
- Maps.newHashMap(), Optional.empty());
+ Maps.newHashMap(), Optional.empty(), false);
}
public LogicalOlapScan(RelationId id, OlapTable table, List<String>
qualifier, List<Long> tabletIds,
@@ -125,7 +127,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
this(id, table, qualifier, Optional.empty(), Optional.empty(),
table.getPartitionIds(), false, tabletIds,
-1, false, PreAggStatus.on(), ImmutableList.of(), hints,
Maps.newHashMap(),
- tableSample);
+ tableSample, false);
}
public LogicalOlapScan(RelationId id, OlapTable table, List<String>
qualifier, List<Long> specifiedPartitions,
@@ -134,7 +136,15 @@ public class LogicalOlapScan extends
LogicalCatalogRelation implements OlapScan
// must use specifiedPartitions here for prune partition by
sql like 'select * from t partition p1'
specifiedPartitions, false, tabletIds,
-1, false, PreAggStatus.on(), specifiedPartitions, hints,
Maps.newHashMap(),
- tableSample);
+ tableSample, false);
+ }
+
+ public LogicalOlapScan(RelationId id, OlapTable table, List<String>
qualifier, List<Long> tabletIds,
+ long selectedIndexId, List<String> hints,
Optional<TableSample> tableSample) {
+ this(id, table, qualifier, Optional.empty(), Optional.empty(),
+ table.getPartitionIds(), false, tabletIds,
+ selectedIndexId, true, PreAggStatus.off("For direct index
scan."),
+ ImmutableList.of(), hints, Maps.newHashMap(), tableSample,
true);
}
/**
@@ -146,7 +156,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
List<Long> selectedTabletIds, long selectedIndexId, boolean
indexSelected,
PreAggStatus preAggStatus, List<Long> specifiedPartitions,
List<String> hints, Map<Pair<Long, String>, Slot>
cacheSlotWithSlotName,
- Optional<TableSample> tableSample) {
+ Optional<TableSample> tableSample, boolean directMvScan) {
super(id, PlanType.LOGICAL_OLAP_SCAN, table, qualifier,
groupExpression, logicalProperties);
Preconditions.checkArgument(selectedPartitionIds != null,
@@ -164,6 +174,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
this.cacheSlotWithSlotName =
Objects.requireNonNull(cacheSlotWithSlotName,
"mvNameToSlot can not be null");
this.tableSample = tableSample;
+ this.directMvScan = directMvScan;
}
public List<Long> getSelectedPartitionIds() {
@@ -220,7 +231,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
groupExpression, Optional.of(getLogicalProperties()),
selectedPartitionIds, partitionPruned, selectedTabletIds,
selectedIndexId, indexSelected, preAggStatus,
manuallySpecifiedPartitions,
- hints, cacheSlotWithSlotName, tableSample);
+ hints, cacheSlotWithSlotName, tableSample, directMvScan);
}
@Override
@@ -229,7 +240,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
return new LogicalOlapScan(relationId, (Table) table, qualifier,
groupExpression, logicalProperties,
selectedPartitionIds, partitionPruned, selectedTabletIds,
selectedIndexId, indexSelected, preAggStatus,
manuallySpecifiedPartitions,
- hints, cacheSlotWithSlotName, tableSample);
+ hints, cacheSlotWithSlotName, tableSample, directMvScan);
}
public LogicalOlapScan withSelectedPartitionIds(List<Long>
selectedPartitionIds) {
@@ -237,7 +248,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
Optional.empty(), Optional.of(getLogicalProperties()),
selectedPartitionIds, true, selectedTabletIds,
selectedIndexId, indexSelected, preAggStatus,
manuallySpecifiedPartitions,
- hints, cacheSlotWithSlotName, tableSample);
+ hints, cacheSlotWithSlotName, tableSample, directMvScan);
}
public LogicalOlapScan withMaterializedIndexSelected(PreAggStatus preAgg,
long indexId) {
@@ -245,7 +256,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
Optional.empty(), Optional.of(getLogicalProperties()),
selectedPartitionIds, partitionPruned, selectedTabletIds,
indexId, true, preAgg, manuallySpecifiedPartitions, hints,
cacheSlotWithSlotName,
- tableSample);
+ tableSample, directMvScan);
}
public LogicalOlapScan withSelectedTabletIds(List<Long> selectedTabletIds)
{
@@ -253,7 +264,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
Optional.empty(), Optional.of(getLogicalProperties()),
selectedPartitionIds, partitionPruned, selectedTabletIds,
selectedIndexId, indexSelected, preAggStatus,
manuallySpecifiedPartitions,
- hints, cacheSlotWithSlotName, tableSample);
+ hints, cacheSlotWithSlotName, tableSample, directMvScan);
}
public LogicalOlapScan withPreAggStatus(PreAggStatus preAggStatus) {
@@ -261,7 +272,7 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
Optional.empty(), Optional.of(getLogicalProperties()),
selectedPartitionIds, partitionPruned, selectedTabletIds,
selectedIndexId, indexSelected, preAggStatus,
manuallySpecifiedPartitions,
- hints, cacheSlotWithSlotName, tableSample);
+ hints, cacheSlotWithSlotName, tableSample, directMvScan);
}
@Override
@@ -359,4 +370,8 @@ public class LogicalOlapScan extends LogicalCatalogRelation
implements OlapScan
public Optional<TableSample> getTableSample() {
return tableSample;
}
+
+ public boolean isDirectMvScan() {
+ return directMvScan;
+ }
}
diff --git a/regression-test/data/statistics/test_select_mv.out
b/regression-test/data/statistics/test_select_mv.out
new file mode 100644
index 00000000000..75b7b8ddc86
--- /dev/null
+++ b/regression-test/data/statistics/test_select_mv.out
@@ -0,0 +1,47 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !dup_sql1 --
+4
+
+-- !dup_sql2 --
+1
+2
+
+-- !dup_sql3 --
+2
+
+-- !dup_sql4 --
+1 2 2 3
+
+-- !dup_sql5 --
+2
+4
+
+-- !dup_sql6 --
+2
+
+-- !dup_sql7 --
+2 4 2 6
+
+-- !agg_sql1 --
+2
+
+-- !agg_sql2 --
+1
+2
+
+-- !agg_sql3 --
+2
+
+-- !agg_sql4 --
+1 2 2 3
+
+-- !agg_sql5 --
+2
+4
+
+-- !agg_sql6 --
+2
+
+-- !agg_sql7 --
+2 4 2 6
+
diff --git a/regression-test/suites/statistics/test_select_mv.groovy
b/regression-test/suites/statistics/test_select_mv.groovy
new file mode 100644
index 00000000000..a35adaeb9ff
--- /dev/null
+++ b/regression-test/suites/statistics/test_select_mv.groovy
@@ -0,0 +1,97 @@
+// 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.
+
+suite("test_select_mv") {
+
+ def dup_sql1 = """select count(*) from test_dup;"""
+ def dup_sql2 = """select mv_key2 from test_dup index dup1 order by
mv_key2;"""
+ def dup_sql3 = """select count(mv_key2) from test_dup index dup1;"""
+ def dup_sql4 = """select min(mv_key2), max(mv_key2), count(mv_key2),
sum(mv_key2) from test_dup index dup1;"""
+ def dup_sql5 = """select `mva_SUM__CAST(value AS BIGINT)` as a from
test_dup index dup1 order by a;"""
+ def dup_sql6 = """select count(`mva_SUM__CAST(value AS BIGINT)`) from
test_dup index dup1;"""
+ def dup_sql7 = """select min(`mva_SUM__CAST(value AS BIGINT)`),
max(`mva_SUM__CAST(value AS BIGINT)`), ndv(`mva_SUM__CAST(value AS BIGINT)`),
sum(`mva_SUM__CAST(value AS BIGINT)`) from test_dup index dup1;"""
+
+ def agg_sql1 = """select count(*) from test_agg;"""
+ def agg_sql2 = """select mv_key2 from test_agg index agg1 order by
mv_key2;"""
+ def agg_sql3 = """select count(mv_key2) from test_agg index agg1;"""
+ def agg_sql4 = """select min(mv_key2), max(mv_key2), count(mv_key2),
sum(mv_key2) from test_agg index agg1;"""
+ def agg_sql5 = """select `mva_SUM__CAST(value AS BIGINT)` as a from
test_agg index agg1 order by a;"""
+ def agg_sql6 = """select count(`mva_SUM__CAST(value AS BIGINT)`) from
test_agg index agg1;"""
+ def agg_sql7 = """select min(`mva_SUM__CAST(value AS BIGINT)`),
max(`mva_SUM__CAST(value AS BIGINT)`), ndv(`mva_SUM__CAST(value AS BIGINT)`),
sum(`mva_SUM__CAST(value AS BIGINT)`) from test_agg index agg1;"""
+
+
+ sql """drop database if exists test_select_mv"""
+ sql """create database test_select_mv"""
+ sql """use test_select_mv"""
+
+ sql """CREATE TABLE test_dup (
+ key1 int NOT NULL,
+ key2 int NOT NULL,
+ value int NOT NULL
+ )ENGINE=OLAP
+ DUPLICATE KEY(`key1`, `key2`)
+ DISTRIBUTED BY HASH(`key1`) BUCKETS 1
+ PROPERTIES (
+ "replication_num" = "1"
+ );
+ """
+
+ sql """
+ create materialized view dup1 as select key2, sum(value) from test_dup
group by key2;
+ """
+
+ sql """CREATE TABLE test_agg (
+ key1 int NOT NULL,
+ key2 int NOT NULL,
+ value int SUM NOT NULL
+ )ENGINE=OLAP
+ AGGREGATE KEY(`key1`, `key2`)
+ DISTRIBUTED BY HASH(`key1`) BUCKETS 1
+ PROPERTIES (
+ "replication_num" = "1"
+ );
+ """
+
+ sql """
+ create materialized view agg1 as select key2, sum(value) from test_agg
group by key2;
+ """
+ Thread.sleep(1000)
+
+ sql """insert into test_dup values (1, 1, 1), (2, 2, 2)"""
+ sql """insert into test_dup values (1, 1, 1), (2, 2, 2)"""
+ sql """insert into test_agg values (1, 1, 1), (2, 2, 2)"""
+ sql """insert into test_agg values (1, 1, 1), (2, 2, 2)"""
+
+ qt_dup_sql1 dup_sql1
+ qt_dup_sql2 dup_sql2
+ qt_dup_sql3 dup_sql3
+ qt_dup_sql4 dup_sql4
+ qt_dup_sql5 dup_sql5
+ qt_dup_sql6 dup_sql6
+ qt_dup_sql7 dup_sql7
+
+ qt_agg_sql1 agg_sql1
+ qt_agg_sql2 agg_sql2
+ qt_agg_sql3 agg_sql3
+ qt_agg_sql4 agg_sql4
+ qt_agg_sql5 agg_sql5
+ qt_agg_sql6 agg_sql6
+ qt_agg_sql7 agg_sql7
+
+ sql """drop database if exists test_select_mv"""
+}
+
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