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QuestDB is high performance SQL time series database
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2024 QuestDB
*
* Licensed 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 io.questdb.cairo;
import io.questdb.BuildInformation;
import io.questdb.BuildInformationHolder;
import io.questdb.DefaultFactoryProvider;
import io.questdb.DefaultTelemetryConfiguration;
import io.questdb.FactoryProvider;
import io.questdb.Metrics;
import io.questdb.PropServerConfiguration;
import io.questdb.TelemetryConfiguration;
import io.questdb.VolumeDefinitions;
import io.questdb.cairo.sql.SqlExecutionCircuitBreakerConfiguration;
import io.questdb.cutlass.text.DefaultTextConfiguration;
import io.questdb.cutlass.text.TextConfiguration;
import io.questdb.griffin.DefaultSqlExecutionCircuitBreakerConfiguration;
import io.questdb.griffin.engine.table.parquet.ParquetCompression;
import io.questdb.griffin.engine.table.parquet.ParquetVersion;
import io.questdb.std.Chars;
import io.questdb.std.Files;
import io.questdb.std.FilesFacade;
import io.questdb.std.FilesFacadeImpl;
import io.questdb.std.NanosecondClockImpl;
import io.questdb.std.Numbers;
import io.questdb.std.Os;
import io.questdb.std.Rnd;
import io.questdb.std.datetime.DateFormat;
import io.questdb.std.datetime.DateLocale;
import io.questdb.std.datetime.TimeZoneRules;
import io.questdb.std.datetime.microtime.MicrosecondClockImpl;
import io.questdb.std.datetime.microtime.Timestamps;
import io.questdb.std.datetime.millitime.DateFormatUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.function.LongSupplier;
public class DefaultCairoConfiguration implements CairoConfiguration {
private final BuildInformation buildInformation = new BuildInformationHolder();
private final CharSequence checkpointRoot;
private final SqlExecutionCircuitBreakerConfiguration circuitBreakerConfiguration = new DefaultSqlExecutionCircuitBreakerConfiguration();
private final CharSequence confRoot;
private final long databaseIdHi;
private final long databaseIdLo;
private final String dbRoot;
private final LongSupplier importIDSupplier = () -> getRandom().nextPositiveLong();
private final String installRoot;
private final CharSequence legacyCheckpointRoot;
private final DefaultTelemetryConfiguration telemetryConfiguration = new DefaultTelemetryConfiguration();
private final TextConfiguration textConfiguration;
private final VolumeDefinitions volumeDefinitions = new VolumeDefinitions();
private final boolean writerMixedIOEnabled;
public DefaultCairoConfiguration(CharSequence dbRoot) {
this(dbRoot, null);
}
public DefaultCairoConfiguration(CharSequence dbRoot, CharSequence installRoot) {
this.dbRoot = Chars.toString(dbRoot);
this.installRoot = Chars.toString(installRoot);
this.confRoot = PropServerConfiguration.rootSubdir(dbRoot, PropServerConfiguration.CONFIG_DIRECTORY);
this.textConfiguration = new DefaultTextConfiguration(Chars.toString(confRoot));
this.checkpointRoot = PropServerConfiguration.rootSubdir(dbRoot, TableUtils.CHECKPOINT_DIRECTORY);
this.legacyCheckpointRoot = PropServerConfiguration.rootSubdir(dbRoot, TableUtils.LEGACY_CHECKPOINT_DIRECTORY);
Rnd rnd = new Rnd(NanosecondClockImpl.INSTANCE.getTicks(), MicrosecondClockImpl.INSTANCE.getTicks());
this.databaseIdLo = rnd.nextLong();
this.databaseIdHi = rnd.nextLong();
this.writerMixedIOEnabled = getFilesFacade().allowMixedIO(dbRoot);
}
@Override
public boolean attachPartitionCopy() {
return false;
}
@Override
public boolean enableTestFactories() {
return true;
}
@Override
public boolean freeLeakedReaders() {
// to override use overrides() system, the idea for the "false" here
// is not to hide reader leaks and continue to get errors in tests if
// reader is left behind by the cursor. The need to override should be rare,
// and only for testing the "supervisor" system itself.
return false;
}
@Override
public boolean getAllowTableRegistrySharedWrite() {
return false;
}
@Override
public @NotNull String getAttachPartitionSuffix() {
return TableUtils.ATTACHABLE_DIR_MARKER;
}
@Override
public DateFormat getBackupDirTimestampFormat() {
return null;
}
@Override
public int getBackupMkDirMode() {
return 509;
}
@Override
public CharSequence getBackupRoot() {
return null;
}
@Override
public @NotNull CharSequence getBackupTempDirName() {
return "tmp";
}
@Override
public int getBinaryEncodingMaxLength() {
return 32768;
}
@Override
public int getBindVariablePoolSize() {
return 8;
}
@Override
public @NotNull BuildInformation getBuildInformation() {
return buildInformation;
}
@Override
public boolean getCairoSqlLegacyOperatorPrecedence() {
return false;
}
@Override
public @NotNull CharSequence getCheckpointRoot() {
return checkpointRoot;
}
@Override
public @NotNull SqlExecutionCircuitBreakerConfiguration getCircuitBreakerConfiguration() {
return circuitBreakerConfiguration;
}
@Override
public int getColumnIndexerQueueCapacity() {
return 1024;
}
@Override
public int getColumnPurgeQueueCapacity() {
return 64;
}
@Override
public long getColumnPurgeRetryDelay() {
return 10_000;
}
@Override
public long getColumnPurgeRetryDelayLimit() {
return 60_000_000;
}
@Override
public double getColumnPurgeRetryDelayMultiplier() {
return 2.0;
}
@Override
public int getColumnPurgeTaskPoolCapacity() {
return getColumnPurgeQueueCapacity();
}
@Override
public int getCommitMode() {
return CommitMode.NOSYNC;
}
@Override
public @NotNull CharSequence getConfRoot() {
return confRoot;
}
@Override
public @NotNull LongSupplier getCopyIDSupplier() {
return importIDSupplier;
}
@Override
public int getCopyPoolCapacity() {
return 16;
}
@Override
public int getCountDistinctCapacity() {
return 3;
}
@Override
public double getCountDistinctLoadFactor() {
return 0.75;
}
@Override
public int getCreateAsSelectRetryCount() {
return 5;
}
@Override
public int getCreateTableColumnModelPoolCapacity() {
return 32;
}
@Override
public long getCreateTableModelBatchSize() {
return 1_000_000;
}
@Override
public long getDataAppendPageSize() {
return 2 * 1024 * 1024;
}
@Override
public long getDataIndexKeyAppendPageSize() {
return Files.PAGE_SIZE;
}
@Override
public long getDataIndexValueAppendPageSize() {
return Files.ceilPageSize(1024 * 1024);
}
@Override
public long getDatabaseIdHi() {
return databaseIdHi;
}
@Override
public long getDatabaseIdLo() {
return databaseIdLo;
}
@Override
public @NotNull CharSequence getDbDirectory() {
return PropServerConfiguration.DB_DIRECTORY;
}
@Override
public @NotNull String getDbRoot() {
return dbRoot;
}
@Override
public boolean getDebugWalApplyBlockFailureNoRetry() {
return true;
}
@Override
public @NotNull DateLocale getDefaultDateLocale() {
return DateFormatUtils.EN_LOCALE;
}
@Override
public int getDefaultSeqPartTxnCount() {
return 0;
}
@Override
public boolean getDefaultSymbolCacheFlag() {
return true;
}
@Override
public int getDefaultSymbolCapacity() {
return 128;
}
@Override
public int getDetachedMkDirMode() {
return 509;
}
@Override
public int getExplainPoolCapacity() {
return 32;
}
@Override
public @NotNull FactoryProvider getFactoryProvider() {
return DefaultFactoryProvider.INSTANCE;
}
@Override
public int getFileOperationRetryCount() {
return 30;
}
@Override
public @NotNull FilesFacade getFilesFacade() {
return FilesFacadeImpl.INSTANCE;
}
@Override
public long getGroupByAllocatorDefaultChunkSize() {
return 16 * 1024;
}
@Override
public long getGroupByAllocatorMaxChunkSize() {
return Numbers.SIZE_1GB;
}
@Override
public int getGroupByMapCapacity() {
return 1024;
}
@Override
public int getGroupByMergeShardQueueCapacity() {
return 32;
}
@Override
public int getGroupByPoolCapacity() {
return 1024;
}
@Override
public long getGroupByPresizeMaxCapacity() {
return 1_000_000;
}
@Override
public long getGroupByPresizeMaxHeapSize() {
return 128 * Numbers.SIZE_1MB;
}
@Override
public int getGroupByShardingThreshold() {
return 1000;
}
@Override
public int getIdGenerateBatchStep() {
return 512;
}
@Override
public long getIdleCheckInterval() {
return 100;
}
@Override
public int getInactiveReaderMaxOpenPartitions() {
return 128;
}
@Override
public long getInactiveReaderTTL() {
return -10000;
}
@Override
public long getInactiveWalWriterTTL() {
return 60_000;
}
@Override
public long getInactiveWriterTTL() {
return -10000;
}
@Override
public int getIndexValueBlockSize() {
return 256;
}
@Override
public long getInsertModelBatchSize() {
return 1_000_000;
}
@Override
public int getInsertModelPoolCapacity() {
return 8;
}
@Override
public @NotNull String getInstallRoot() {
if (installRoot == null) {
throw new UnsupportedOperationException("installRoot was required in this test, but not set");
}
return installRoot;
}
@Override
public int getLatestByQueueCapacity() {
return 32;
}
@Override
public @NotNull CharSequence getLegacyCheckpointRoot() {
return legacyCheckpointRoot;
}
@Override
public boolean getLogLevelVerbose() {
return false;
}
@Override
public boolean getLogSqlQueryProgressExe() {
return true;
}
@Override
public DateFormat getLogTimestampFormat() {
return null;
}
@Override
public @Nullable String getLogTimestampTimezone() {
return null;
}
@Override
public DateLocale getLogTimestampTimezoneLocale() {
return null;
}
@Override
public TimeZoneRules getLogTimestampTimezoneRules() {
return null;
}
@Override
public long getMatViewInsertAsSelectBatchSize() {
return 1_000_000;
}
@Override
public int getMatViewMaxRefreshRetries() {
return 10;
}
@Override
public long getMatViewMinRefreshInterval() {
return Timestamps.MINUTE_MICROS;
}
@Override
public long getMatViewRefreshOomRetryTimeout() {
return 200;
}
@Override
public int getMatViewRowsPerQueryEstimate() {
return 10_000_000;
}
@Override
public int getMaxCrashFiles() {
return 1;
}
@Override
public int getMaxFileNameLength() {
return 127;
}
@Override
public int getMaxSqlRecompileAttempts() {
return 10;
}
@Override
public int getMaxSwapFileCount() {
return 30;
}
@Override
public int getMaxSymbolNotEqualsCount() {
return 100;
}
@Override
public int getMaxUncommittedRows() {
return 1000;
}
@Override
public int getMetadataPoolCapacity() {
return getSqlModelPoolCapacity();
}
@Override
public Metrics getMetrics() {
return Metrics.ENABLED;
}
@Override
public long getMiscAppendPageSize() {
return getFilesFacade().getPageSize();
}
@Override
public int getMkDirMode() {
return 509;
}
@Override
public int getO3CallbackQueueCapacity() {
return 1024;
}
@Override
public int getO3ColumnMemorySize() {
return 8 * Numbers.SIZE_1MB;
}
@Override
public int getO3CopyQueueCapacity() {
return 1024;
}
@Override
public int getO3LagCalculationWindowsSize() {
return 4;
}
@Override
public int getO3LastPartitionMaxSplits() {
return 15;
}
@Override
public long getO3MaxLag() {
// 5 min
return 300_000_000L;
}
@Override
public int getO3MemMaxPages() {
return Integer.MAX_VALUE;
}
@Override
public long getO3MinLag() {
return 1_000_000;
}
@Override
public int getO3OpenColumnQueueCapacity() {
return 1024;
}
@Override
public int getO3PartitionQueueCapacity() {
return 1024;
}
@Override
public int getO3PurgeDiscoveryQueueCapacity() {
return 1024;
}
@Override
public int getPageFrameReduceColumnListCapacity() {
return 16;
}
@Override
public int getPageFrameReduceQueueCapacity() {
return 32;
}
@Override
public int getPageFrameReduceRowIdListCapacity() {
return 32;
}
@Override
public int getPageFrameReduceShardCount() {
return 4;
}
@Override
public int getParallelIndexThreshold() {
return 100000;
}
@Override
public int getPartitionEncoderParquetCompressionCodec() {
return ParquetCompression.COMPRESSION_UNCOMPRESSED;
}
@Override
public int getPartitionEncoderParquetCompressionLevel() {
return 0;
}
@Override
public int getPartitionEncoderParquetDataPageSize() {
return 0; // use default (1024*1024) bytes
}
@Override
public int getPartitionEncoderParquetRowGroupSize() {
return 0; // use default (512*512) rows
}
@Override
public int getPartitionEncoderParquetVersion() {
return ParquetVersion.PARQUET_VERSION_V1;
}
@Override
public long getPartitionO3SplitMinSize() {
return 50 * Numbers.SIZE_1MB;
}
@Override
public int getPartitionPurgeListCapacity() {
return 64;
}
@Override
public int getQueryCacheEventQueueCapacity() {
return 4;
}
@Override
public int getQueryRegistryPoolSize() {
return 8;
}
@Override
public int getReaderPoolMaxSegments() {
return 5;
}
@Override
public int getRenameTableModelPoolCapacity() {
return 8;
}
@Override
public int getRepeatMigrationsFromVersion() {
return -1;
}
@Override
public int getRndFunctionMemoryMaxPages() {
return 128;
}
@Override
public int getRndFunctionMemoryPageSize() {
return 8192;
}
@Override
public boolean getSampleByDefaultAlignmentCalendar() {
return true;
}
@Override
public int getSampleByIndexSearchPageSize() {
return 0;
}
@Override
public long getSequencerCheckInterval() {
return 10_000;
}
@Override
public @NotNull CharSequence getSnapshotInstanceId() {
return "";
}
@Override
public long getSpinLockTimeout() {
return 5000;
}
@Override
public int getSqlAsOfJoinLookAhead() {
return 100;
}
@Override
public int getSqlCharacterStoreCapacity() {
// 1024 seems like a good fit, but tests need
// smaller capacity so that resize is tested correctly
return 64;
}
@Override
public int getSqlCharacterStoreSequencePoolCapacity() {
return 64;
}
@Override
public int getSqlColumnPoolCapacity() {
return 4096;
}
@Override
public int getSqlCompilerPoolCapacity() {
return 10;
}
@Override
public int getSqlCopyBufferSize() {
return 1024 * 1024;
}
@Override
public CharSequence getSqlCopyInputRoot() {
return null;
}
@Override
public CharSequence getSqlCopyInputWorkRoot() {
return null;
}
@Override
public int getSqlCopyLogRetentionDays() {
return 3;
}
@Override
public long getSqlCopyMaxIndexChunkSize() {
return 1024 * 1024L;
}
@Override
public int getSqlCopyQueueCapacity() {
return 32;
}
@Override
public int getSqlDistinctTimestampKeyCapacity() {
return 256;
}
@Override
public double getSqlDistinctTimestampLoadFactor() {
return 0.5;
}
@Override
public int getSqlExpressionPoolCapacity() {
return 8192;
}
@Override
public double getSqlFastMapLoadFactor() {
return 0.7;
}
@Override
public int getSqlHashJoinLightValueMaxPages() {
return 1024;
}
@Override
public int getSqlHashJoinLightValuePageSize() {
return 128 * 1024;
}
@Override
public int getSqlHashJoinValueMaxPages() {
return 1024;
}
@Override
public int getSqlHashJoinValuePageSize() {
return Numbers.SIZE_1MB * 16;
}
@Override
public int getSqlJitBindVarsMemoryMaxPages() {
return 8;
}
@Override
public int getSqlJitBindVarsMemoryPageSize() {
return 4096;
}
@Override
public int getSqlJitIRMemoryMaxPages() {
return 8;
}
@Override
public int getSqlJitIRMemoryPageSize() {
return 8192;
}
@Override
public int getSqlJitMode() {
return SqlJitMode.JIT_MODE_ENABLED;
}
@Override
public int getSqlJitPageAddressCacheThreshold() {
return Numbers.SIZE_1MB;
}
@Override
public int getSqlJoinContextPoolCapacity() {
return 64;
}
@Override
public int getSqlJoinMetadataMaxResizes() {
return 10;
}
@Override
public int getSqlJoinMetadataPageSize() {
return 16 * 1024;
}
@Override
public long getSqlLatestByRowCount() {
return 1000;
}
@Override
public int getSqlLexerPoolCapacity() {
return 2048;
}
@Override
public int getSqlMapMaxPages() {
return 1024;
}
@Override
public int getSqlMapMaxResizes() {
return 64;
}
@Override
public int getSqlMaxNegativeLimit() {
return 10_000;
}
@Override
public int getSqlModelPoolCapacity() {
return 1024;
}
@Override
public int getSqlOrderByRadixSortThreshold() {
return 600;
}
@Override
public int getSqlPageFrameMaxRows() {
return 1_000_000;
}
@Override
public int getSqlPageFrameMinRows() {
return 1_000;
}
@Override
public double getSqlParallelFilterPreTouchThreshold() {
return 0.05;
}
@Override
public int getSqlParallelWorkStealingThreshold() {
return 16;
}
@Override
public int getSqlParquetFrameCacheCapacity() {
return 3;
}
@Override
public int getSqlSmallMapKeyCapacity() {
return 64;
}
@Override
public long getSqlSmallMapPageSize() {
return 4 * 1024;
}
@Override
public int getSqlSortKeyMaxPages() {
return 1024;
}
@Override
public long getSqlSortKeyPageSize() {
return 128 * 1024;
}
@Override
public int getSqlSortLightValueMaxPages() {
return 1024;
}
@Override
public long getSqlSortLightValuePageSize() {
return 128 * 1024;
}
@Override
public int getSqlSortValueMaxPages() {
return 1024;
}
@Override
public int getSqlSortValuePageSize() {
return Numbers.SIZE_1MB * 16;
}
@Override
public int getSqlUnorderedMapMaxEntrySize() {
return 16;
}
@Override
public int getSqlWindowInitialRangeBufferSize() {
return 32;
}
@Override
public int getSqlWindowMaxRecursion() {
return 128;
}
@Override
public int getSqlWindowRowIdMaxPages() {
return Integer.MAX_VALUE;
}
@Override
public int getSqlWindowRowIdPageSize() {
return 1024;
}
@Override
public int getSqlWindowStoreMaxPages() {
return 1024;
}
@Override
public int getSqlWindowStorePageSize() {
return 1024 * 1024;
}
@Override
public int getSqlWindowTreeKeyMaxPages() {
return Integer.MAX_VALUE;
}
@Override
public int getSqlWindowTreeKeyPageSize() {
return 4 * 1024;
}
@Override
public int getStrFunctionMaxBufferLength() {
return 1024 * 1024;
}
@Override
public long getSystemDataAppendPageSize() {
return 256 * 1024;
}
@Override
public int getSystemO3ColumnMemorySize() {
return 256 * 1024;
}
@Override
public @NotNull CharSequence getSystemTableNamePrefix() {
return "__sys";
}
@Override
public long getSystemWalDataAppendPageSize() {
return 16 * 1024;
}
@Override
public long getSystemWalEventAppendPageSize() {
return 128 * 1024;
}
@Override
public long getTableRegistryAutoReloadFrequency() {
return 500;
}
@Override
public int getTableRegistryCompactionThreshold() {
return 100;
}
@Override
public @NotNull TelemetryConfiguration getTelemetryConfiguration() {
return telemetryConfiguration;
}
@Override
public CharSequence getTempRenamePendingTablePrefix() {
return "temp_5822f658-31f6-11ee-be56-0242ac120002";
}
@Override
public @NotNull TextConfiguration getTextConfiguration() {
return textConfiguration;
}
@Override
public int getTxnScoreboardEntryCount() {
return 8192;
}
@Override
public int getVectorAggregateQueueCapacity() {
return 1024;
}
@Override
public @NotNull VolumeDefinitions getVolumeDefinitions() {
return volumeDefinitions;
}
@Override
public int getWalApplyLookAheadTransactionCount() {
return 20;
}
@Override
public long getWalApplyTableTimeQuota() {
return 1000L;
}
@Override
public long getWalDataAppendPageSize() {
return 1024 * 1024;
}
@Override
public boolean getWalEnabledDefault() {
return false;
}
@Override
public long getWalEventAppendPageSize() {
return 64 * 1024;
}
@Override
public double getWalLagRowsMultiplier() {
return 20;
}
@Override
public long getWalMaxLagSize() {
return 75 * Numbers.SIZE_1MB;
}
@Override
public int getWalMaxLagTxnCount() {
return 20;
}
@Override
public int getWalMaxSegmentFileDescriptorsCache() {
return 1000;
}
@Override
public long getWalPurgeInterval() {
return 30_000;
}
@Override
public int getWalRecreateDistressedSequencerAttempts() {
return 3;
}
@Override
public long getWalSegmentRolloverRowCount() {
return 200000;
}
@Override
public long getWalSegmentRolloverSize() {
return 0; // watermark level disabled.
}
@Override
public int getWalTxnNotificationQueueCapacity() {
return 4096;
}
@Override
public int getWalWriterPoolMaxSegments() {
return 5;
}
@Override
public int getWindowColumnPoolCapacity() {
return 64;
}
@Override
public int getWithClauseModelPoolCapacity() {
return 128;
}
@Override
public long getWorkStealTimeoutNanos() {
return 10000;
}
@Override
public long getWriteBackOffTimeoutOnMemPressureMs() {
return 4000;
}
@Override
public long getWriterAsyncCommandBusyWaitTimeout() {
return 1000L;
}
@Override
public long getWriterAsyncCommandMaxTimeout() {
return 30_000L;
}
@Override
public int getWriterCommandQueueCapacity() {
return 4;
}
@Override
public long getWriterCommandQueueSlotSize() {
return 1024;
}
@Override
public long getWriterFileOpenOpts() {
// In some places we rely on the fact that data written via conventional IO
// is immediately visible to mapped memory for the same area of file. While this is the
// case on Linux it is absolutely not the case on Windows. We must not enable anything other
// than MMAP on Windows.
return Os.type != Os.WINDOWS ? O_ASYNC : O_NONE;
}
@Override
public int getWriterTickRowsCountMod() {
return 1024 - 1;
}
@Override
public boolean isCheckpointRecoveryEnabled() {
return false;
}
@Override
public boolean isDevModeEnabled() {
return false;
}
@Override
public boolean isGroupByPresizeEnabled() {
return true;
}
@Override
public boolean isIOURingEnabled() {
return true;
}
@Override
public boolean isMatViewEnabled() {
return true;
}
@Override
public boolean isMatViewParallelSqlEnabled() {
return true;
}
@Override
public boolean isMultiKeyDedupEnabled() {
return false;
}
@Override
public boolean isO3QuickSortEnabled() {
return false;
}
@Override
public boolean isParallelIndexingEnabled() {
return true;
}
@Override
public boolean isPartitionEncoderParquetStatisticsEnabled() {
return true;
}
@Override
public boolean isPartitionO3OverwriteControlEnabled() {
return false;
}
@Override
public boolean isQueryTracingEnabled() {
return false;
}
@Override
public boolean isReadOnlyInstance() {
return false;
}
@Override
public boolean isSqlJitDebugEnabled() {
return false;
}
@Override
public boolean isSqlOrderBySortEnabled() {
return true;
}
@Override
public boolean isSqlParallelFilterEnabled() {
return true;
}
@Override
public boolean isSqlParallelFilterPreTouchEnabled() {
return true;
}
@Override
public boolean isSqlParallelGroupByEnabled() {
return true;
}
@Override
public boolean isSqlParallelReadParquetEnabled() {
return true;
}
@Override
public boolean isTableTypeConversionEnabled() {
return true;
}
@Override
public boolean isWalApplyEnabled() {
return true;
}
@Override
public boolean isWalApplyParallelSqlEnabled() {
return true;
}
@Override
public boolean isWalSupported() {
return true;
}
@Override
public boolean isWriterMixedIOEnabled() {
return writerMixedIOEnabled;
}
@Override
public boolean mangleTableDirNames() {
return false;
}
@Override
public boolean useFastAsOfJoin() {
return true;
}
}
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