Kikyou1997 commented on code in PR #17966:
URL: https://github.com/apache/doris/pull/17966#discussion_r1144194043
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/AnalyzeStmt.java:
##########
@@ -166,46 +150,81 @@ private void checkAnalyzePriv(String dbName, String
tblName) throws AnalysisExce
}
private void checkPartitionNames() throws AnalysisException {
- if (optPartitionNames != null) {
- optPartitionNames.analyze(analyzer);
- if (tableName != null) {
- Database db =
analyzer.getEnv().getInternalCatalog().getDbOrAnalysisException(tableName.getDb());
- OlapTable olapTable = (OlapTable)
db.getTableOrAnalysisException(tableName.getTbl());
- if (!olapTable.isPartitioned()) {
- throw new AnalysisException("Not a partitioned table: " +
olapTable.getName());
- }
- List<String> names = optPartitionNames.getPartitionNames();
- Set<String> olapPartitionNames = olapTable.getPartitionNames();
- List<String> tempPartitionNames =
olapTable.getTempPartitions().stream()
- .map(Partition::getName).collect(Collectors.toList());
- Optional<String> optional = names.stream()
- .filter(name -> (tempPartitionNames.contains(name)
- || !olapPartitionNames.contains(name)))
- .findFirst();
- if (optional.isPresent()) {
- throw new AnalysisException("Temporary partition or
partition does not exist");
- }
- } else {
- throw new AnalysisException("Specify partition should specify
table name as well");
+ if (partitionNames != null) {
+ partitionNames.analyze(analyzer);
+ Database db = analyzer.getEnv().getInternalCatalog()
+ .getDbOrAnalysisException(tableName.getDb());
+ OlapTable olapTable = (OlapTable)
db.getTableOrAnalysisException(tableName.getTbl());
+ if (!olapTable.isPartitioned()) {
+ throw new AnalysisException("Not a partitioned table: " +
olapTable.getName());
+ }
+ List<String> names = partitionNames.getPartitionNames();
+ Set<String> olapPartitionNames = olapTable.getPartitionNames();
+ List<String> tempPartitionNames =
olapTable.getTempPartitions().stream()
+ .map(Partition::getName).collect(Collectors.toList());
+ Optional<String> optional = names.stream()
+ .filter(name -> (tempPartitionNames.contains(name)
+ || !olapPartitionNames.contains(name)))
+ .findFirst();
+ if (optional.isPresent()) {
+ throw new AnalysisException("Temporary partition or partition
does not exist");
Review Comment:
The exception message seems not match the computation logic of `optional`
variable
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/HistogramTask.java:
##########
@@ -48,7 +49,16 @@ public class HistogramTask extends BaseAnalysisTask {
+ " HISTOGRAM(`${colName}`, 1, ${maxBucketNum}) AS buckets, "
+ " NOW() AS create_time "
+ "FROM "
- + " `${dbName}`.`${tblName}` TABLESAMPLE (${percentValue}
PERCENT)";
+ + " `${dbName}`.`${tblName}`";
+
+ /** To avoid too much data, use the following efficient sampling method */
+ private static final String ANALYZE_HISTOGRAM_SQL_TEMPLATE_PART =
ANALYZE_HISTOGRAM_SQL_TEMPLATE
+ + " PARTITION (${partName})"
+ + " TABLESAMPLE (${percentValue} PERCENT)";
+
+ /** To avoid too much data, use the following efficient sampling method */
+ private static final String ANALYZE_HISTOGRAM_SQL_TEMPLATE_FULL =
ANALYZE_HISTOGRAM_SQL_TEMPLATE
Review Comment:
Why full collection also based on table sample function
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/AnalysisTaskInfo.java:
##########
@@ -62,6 +63,8 @@ public enum ScheduleType {
public final String colName;
+ public final List<String> partitionNames;
Review Comment:
Better use `Set` type to deduplicate
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/MVAnalysisTask.java:
##########
@@ -111,7 +110,7 @@ public void execute() throws Exception {
params.put("idxId", String.valueOf(meta.getIndexId()));
String colName = column.getName();
params.put("colId", colName);
- long partId = part.getId();
+ long partId = olapTable.getPartition(partName).getId();
Review Comment:
olapTable.getPartition(partName) might return null
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/AnalyzeStmt.java:
##########
@@ -63,48 +61,36 @@ public class AnalyzeStmt extends DdlStmt {
// time to wait for collect statistics
public static final String CBO_STATISTICS_TASK_TIMEOUT_SEC =
"cbo_statistics_task_timeout_sec";
- public boolean isHistogram = false;
-
private static final ImmutableSet<String> PROPERTIES_SET = new
ImmutableSet.Builder<String>()
.add(CBO_STATISTICS_TASK_TIMEOUT_SEC)
.build();
private static final Predicate<Long> DESIRED_TASK_TIMEOUT_SEC = (v) -> v >
0L;
- public final boolean wholeTbl;
+ public boolean isWholeTbl;
Review Comment:
Is this variable really necessary?
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