zhilinli123 commented on code in PR #7529:
URL: https://github.com/apache/seatunnel/pull/7529#discussion_r1851400336
##########
seatunnel-connectors-v2/connector-clickhouse/src/main/java/org/apache/seatunnel/connectors/seatunnel/clickhouse/source/ClickhouseSource.java:
##########
@@ -17,70 +17,217 @@
package org.apache.seatunnel.connectors.seatunnel.clickhouse.source;
+import org.apache.seatunnel.shade.com.typesafe.config.Config;
+import org.apache.seatunnel.shade.com.typesafe.config.ConfigFactory;
+
+import org.apache.seatunnel.api.common.PrepareFailException;
+import org.apache.seatunnel.api.common.SeaTunnelAPIErrorCode;
+import org.apache.seatunnel.api.configuration.ReadonlyConfig;
import org.apache.seatunnel.api.source.Boundedness;
import org.apache.seatunnel.api.source.SeaTunnelSource;
import org.apache.seatunnel.api.source.SourceReader;
import org.apache.seatunnel.api.source.SourceSplitEnumerator;
import org.apache.seatunnel.api.source.SupportColumnProjection;
import org.apache.seatunnel.api.source.SupportParallelism;
import org.apache.seatunnel.api.table.catalog.CatalogTable;
+import org.apache.seatunnel.api.table.catalog.CatalogTableUtil;
+import org.apache.seatunnel.api.table.catalog.PhysicalColumn;
+import org.apache.seatunnel.api.table.catalog.TableIdentifier;
+import org.apache.seatunnel.api.table.catalog.TablePath;
+import org.apache.seatunnel.api.table.catalog.TableSchema;
+import org.apache.seatunnel.api.table.type.SeaTunnelDataType;
import org.apache.seatunnel.api.table.type.SeaTunnelRow;
+import org.apache.seatunnel.api.table.type.SeaTunnelRowType;
+import org.apache.seatunnel.common.config.CheckConfigUtil;
+import org.apache.seatunnel.common.constants.PluginType;
+import org.apache.seatunnel.common.utils.ExceptionUtils;
+import
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseCatalogConfig;
+import
org.apache.seatunnel.connectors.seatunnel.clickhouse.exception.ClickhouseConnectorException;
import
org.apache.seatunnel.connectors.seatunnel.clickhouse.state.ClickhouseSourceState;
+import
org.apache.seatunnel.connectors.seatunnel.clickhouse.util.ClickhouseUtil;
+import
org.apache.seatunnel.connectors.seatunnel.clickhouse.util.TypeConvertUtil;
+
+import org.apache.commons.collections4.map.HashedMap;
+import com.clickhouse.client.ClickHouseClient;
+import com.clickhouse.client.ClickHouseException;
+import com.clickhouse.client.ClickHouseFormat;
import com.clickhouse.client.ClickHouseNode;
+import com.clickhouse.client.ClickHouseResponse;
+import com.google.auto.service.AutoService;
import java.util.Collections;
import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.stream.Collectors;
+
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.CLICKHOUSE_CONFIG;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.DATABASE;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.HOST;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.PASSWORD;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.SERVER_TIME_ZONE;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.SQL;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.TABLE_LIST;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.TABLE_PATH;
+import static
org.apache.seatunnel.connectors.seatunnel.clickhouse.config.ClickhouseConfig.USERNAME;
+@AutoService(SeaTunnelSource.class)
public class ClickhouseSource
implements SeaTunnelSource<SeaTunnelRow, ClickhouseSourceSplit,
ClickhouseSourceState>,
SupportParallelism,
SupportColumnProjection {
private List<ClickHouseNode> servers;
- private CatalogTable catalogTable;
- private String sql;
+ private Map<TablePath, ClickhouseCatalogConfig>
tableClickhouseCatalogConfigMap =
+ new HashedMap<>();
- public ClickhouseSource(List<ClickHouseNode> servers, CatalogTable
catalogTable, String sql) {
- this.servers = servers;
- this.catalogTable = catalogTable;
- this.sql = sql;
- }
+ private static final String defaultTablePath = "default";
@Override
public String getPluginName() {
return "Clickhouse";
}
+ @Override
+ public void prepare(Config config) throws PrepareFailException {
+ config =
+ config.withFallback(
+ ConfigFactory.parseMap(
+ Collections.singletonMap(
+ SERVER_TIME_ZONE.key(),
SERVER_TIME_ZONE.defaultValue())));
+
+ Map<String, String> customConfig =
+ CheckConfigUtil.isValidParam(config, CLICKHOUSE_CONFIG.key())
+ ?
config.getObject(CLICKHOUSE_CONFIG.key()).entrySet().stream()
+ .collect(
+ Collectors.toMap(
+ Map.Entry::getKey,
+ entry ->
entry.getValue().unwrapped().toString()))
+ : null;
+
+ servers =
+ ClickhouseUtil.createNodes(
+ config.getString(HOST.key()),
+ config.getString(DATABASE.key()),
+ config.getString(SERVER_TIME_ZONE.key()),
+ config.getString(USERNAME.key()),
+ config.getString(PASSWORD.key()),
+ customConfig);
+
+ ClickHouseNode currentServer =
+
servers.get(ThreadLocalRandom.current().nextInt(servers.size()));
+
+ ReadonlyConfig readonlyConfig = ReadonlyConfig.fromConfig(config);
+ String sql = readonlyConfig.getOptional(SQL).orElse(null);
+
+ if (readonlyConfig.getOptional(TABLE_LIST).isPresent()) {
+ readonlyConfig.get(TABLE_LIST).stream()
+ .map(ReadonlyConfig::fromMap)
+ .forEach(
+ conf -> {
+ String confSql = conf.getOptional(SQL).get();
+ SeaTunnelRowType clickhouseRowType =
+ getClickhouseRowType(currentServer,
confSql);
+ TablePath tablePath =
+
TablePath.of(conf.getOptional(TABLE_PATH).orElse(""));
+ CatalogTable catalogTable =
+ createCatalogTable(clickhouseRowType,
tablePath);
+
+ ClickhouseCatalogConfig
clickhouseCatalogConfig =
+ new ClickhouseCatalogConfig();
+ clickhouseCatalogConfig.setSql(confSql);
+
clickhouseCatalogConfig.setCatalogTable(catalogTable);
+ tableClickhouseCatalogConfigMap.put(
+ tablePath, clickhouseCatalogConfig);
+ });
+ } else {
+ SeaTunnelRowType clickhouseRowType =
getClickhouseRowType(currentServer, sql);
+ CatalogTable catalogTable =
+ CatalogTableUtil.getCatalogTable(defaultTablePath,
clickhouseRowType);
+
+ ClickhouseCatalogConfig clickhouseCatalogConfig = new
ClickhouseCatalogConfig();
+ clickhouseCatalogConfig.setCatalogTable(catalogTable);
+ clickhouseCatalogConfig.setSql(sql);
+ tableClickhouseCatalogConfigMap.put(
+ TablePath.of(defaultTablePath), clickhouseCatalogConfig);
+ }
+ }
+
+ private CatalogTable createCatalogTable(SeaTunnelRowType rowType,
TablePath tablePath) {
Review Comment:
I think it's an outdated one. Is it okay to keep using it?
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