2020-11-20 22:47:04 +00:00
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#include "StoragePostgreSQL.h"
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#if USE_LIBPQXX
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2023-02-14 22:35:10 +00:00
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#include <Processors/Sources/PostgreSQLSource.h>
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2020-11-20 22:47:04 +00:00
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2021-09-01 17:59:11 +00:00
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#include <Common/parseAddress.h>
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#include <Common/assert_cast.h>
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#include <Common/parseRemoteDescription.h>
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2022-04-27 15:05:45 +00:00
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#include <Common/logger_useful.h>
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2022-12-17 00:30:55 +00:00
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#include <Common/NamedCollections/NamedCollections.h>
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#include <Core/Settings.h>
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#include <Core/PostgreSQL/PoolWithFailover.h>
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2020-11-20 22:47:04 +00:00
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#include <DataTypes/DataTypeString.h>
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2021-01-09 22:42:42 +00:00
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#include <DataTypes/DataTypeArray.h>
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#include <DataTypes/DataTypesDecimal.h>
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#include <DataTypes/DataTypeNullable.h>
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2021-09-01 17:59:11 +00:00
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2021-01-09 22:42:42 +00:00
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#include <Columns/ColumnString.h>
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#include <Columns/ColumnArray.h>
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#include <Columns/ColumnsNumber.h>
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#include <Columns/ColumnDecimal.h>
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2020-11-25 14:52:11 +00:00
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#include <Columns/ColumnNullable.h>
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2021-09-01 17:59:11 +00:00
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2020-11-25 14:52:11 +00:00
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#include <Formats/FormatSettings.h>
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2021-09-01 17:59:11 +00:00
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2020-11-25 21:06:33 +00:00
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#include <IO/WriteHelpers.h>
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2021-08-24 12:29:42 +00:00
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#include <IO/Operators.h>
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2020-11-20 22:47:04 +00:00
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2021-09-01 17:59:11 +00:00
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#include <Interpreters/evaluateConstantExpression.h>
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#include <Interpreters/Context.h>
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#include <Parsers/getInsertQuery.h>
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#include <Parsers/ASTFunction.h>
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#include <Processors/Sinks/SinkToStorage.h>
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2022-05-20 19:49:31 +00:00
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#include <QueryPipeline/Pipe.h>
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2021-09-01 17:59:11 +00:00
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#include <Storages/StorageFactory.h>
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#include <Storages/transformQueryForExternalDatabase.h>
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2022-06-23 20:04:06 +00:00
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#include <Storages/checkAndGetLiteralArgument.h>
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2022-12-17 00:30:55 +00:00
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#include <Storages/NamedCollectionsHelpers.h>
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2021-09-01 17:59:11 +00:00
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2021-01-09 22:42:42 +00:00
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2020-11-20 22:47:04 +00:00
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namespace DB
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{
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namespace ErrorCodes
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{
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2021-01-09 22:42:42 +00:00
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extern const int NOT_IMPLEMENTED;
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2021-09-04 18:46:09 +00:00
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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2020-11-20 22:47:04 +00:00
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}
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StoragePostgreSQL::StoragePostgreSQL(
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const StorageID & table_id_,
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2021-05-07 11:18:49 +00:00
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postgres::PoolWithFailoverPtr pool_,
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2020-11-20 22:47:04 +00:00
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const String & remote_table_name_,
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const ColumnsDescription & columns_,
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const ConstraintsDescription & constraints_,
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2021-04-23 12:18:23 +00:00
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const String & comment,
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2021-08-24 12:29:42 +00:00
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const String & remote_table_schema_,
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const String & on_conflict_)
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2020-11-20 22:47:04 +00:00
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: IStorage(table_id_)
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, remote_table_name(remote_table_name_)
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2021-03-14 10:35:10 +00:00
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, remote_table_schema(remote_table_schema_)
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2021-08-24 12:29:42 +00:00
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, on_conflict(on_conflict_)
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2021-05-07 11:18:49 +00:00
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, pool(std::move(pool_))
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2021-09-28 22:17:26 +00:00
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, log(&Poco::Logger::get("StoragePostgreSQL (" + table_id_.table_name + ")"))
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2020-11-20 22:47:04 +00:00
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{
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StorageInMemoryMetadata storage_metadata;
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storage_metadata.setColumns(columns_);
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storage_metadata.setConstraints(constraints_);
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2021-04-23 12:18:23 +00:00
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storage_metadata.setComment(comment);
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2020-11-20 22:47:04 +00:00
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setInMemoryMetadata(storage_metadata);
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}
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Pipe StoragePostgreSQL::read(
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const Names & column_names_,
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2021-07-09 03:15:41 +00:00
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const StorageSnapshotPtr & storage_snapshot,
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2020-11-20 22:47:04 +00:00
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SelectQueryInfo & query_info_,
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2021-04-10 23:33:54 +00:00
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ContextPtr context_,
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2020-11-20 22:47:04 +00:00
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QueryProcessingStage::Enum /*processed_stage*/,
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size_t max_block_size_,
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2022-10-07 10:46:45 +00:00
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size_t /*num_streams*/)
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2020-11-20 22:47:04 +00:00
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{
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2021-07-09 03:15:41 +00:00
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storage_snapshot->check(column_names_);
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2020-11-20 22:47:04 +00:00
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2021-03-14 10:35:10 +00:00
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/// Connection is already made to the needed database, so it should not be present in the query;
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/// remote_table_schema is empty if it is not specified, will access only table_name.
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2020-11-20 22:47:04 +00:00
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String query = transformQueryForExternalDatabase(
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2023-03-07 20:39:26 +00:00
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query_info_,
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column_names_,
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storage_snapshot->metadata->getColumns().getOrdinary(),
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2021-03-14 10:35:10 +00:00
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IdentifierQuotingStyle::DoubleQuotes, remote_table_schema, remote_table_name, context_);
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2021-09-28 22:17:26 +00:00
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LOG_TRACE(log, "Query: {}", query);
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2020-11-20 22:47:04 +00:00
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Block sample_block;
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for (const String & column_name : column_names_)
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{
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2021-07-09 03:15:41 +00:00
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auto column_data = storage_snapshot->metadata->getColumns().getPhysical(column_name);
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2020-11-20 22:47:04 +00:00
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WhichDataType which(column_data.type);
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if (which.isEnum())
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column_data.type = std::make_shared<DataTypeString>();
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sample_block.insert({ column_data.type, column_data.name });
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}
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2021-08-06 08:41:45 +00:00
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return Pipe(std::make_shared<PostgreSQLSource<>>(pool->get(), query, sample_block, max_block_size_));
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2020-11-20 22:47:04 +00:00
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}
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2021-07-23 19:33:59 +00:00
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class PostgreSQLSink : public SinkToStorage
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2020-11-25 14:52:11 +00:00
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{
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2021-08-24 12:29:42 +00:00
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using Row = std::vector<std::optional<std::string>>;
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2021-01-09 22:42:42 +00:00
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public:
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2021-07-23 19:33:59 +00:00
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explicit PostgreSQLSink(
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const StorageMetadataPtr & metadata_snapshot_,
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2021-05-07 11:18:49 +00:00
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postgres::ConnectionHolderPtr connection_holder_,
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2021-05-22 08:47:19 +00:00
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const String & remote_table_name_,
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2021-08-24 12:29:42 +00:00
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const String & remote_table_schema_,
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const String & on_conflict_)
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2021-07-26 10:08:40 +00:00
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: SinkToStorage(metadata_snapshot_->getSampleBlock())
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2021-07-23 19:33:59 +00:00
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, metadata_snapshot(metadata_snapshot_)
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2021-05-07 11:18:49 +00:00
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, connection_holder(std::move(connection_holder_))
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2021-01-09 22:42:42 +00:00
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, remote_table_name(remote_table_name_)
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2021-05-22 08:47:19 +00:00
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, remote_table_schema(remote_table_schema_)
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2021-08-24 12:29:42 +00:00
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, on_conflict(on_conflict_)
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2021-01-09 22:42:42 +00:00
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{
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}
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2020-11-25 14:52:11 +00:00
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2021-07-23 19:33:59 +00:00
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String getName() const override { return "PostgreSQLSink"; }
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2020-11-25 14:52:11 +00:00
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2021-07-23 19:33:59 +00:00
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void consume(Chunk chunk) override
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2021-01-09 22:42:42 +00:00
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{
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2021-09-03 17:29:36 +00:00
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auto block = getHeader().cloneWithColumns(chunk.detachColumns());
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2021-05-22 08:47:19 +00:00
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if (!inserter)
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2021-08-24 12:29:42 +00:00
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{
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if (on_conflict.empty())
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{
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inserter = std::make_unique<StreamTo>(connection_holder->get(),
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remote_table_schema.empty() ? pqxx::table_path({remote_table_name})
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: pqxx::table_path({remote_table_schema, remote_table_name}), block.getNames());
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}
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else
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{
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inserter = std::make_unique<PreparedInsert>(connection_holder->get(), remote_table_name,
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remote_table_schema, block.getColumnsWithTypeAndName(), on_conflict);
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}
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}
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2021-01-10 13:01:15 +00:00
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2021-01-09 22:42:42 +00:00
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const auto columns = block.getColumns();
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const size_t num_rows = block.rows(), num_cols = block.columns();
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const auto data_types = block.getDataTypes();
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2020-11-25 14:52:11 +00:00
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2021-01-09 22:42:42 +00:00
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/// std::optional lets libpqxx to know if value is NULL
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std::vector<std::optional<std::string>> row(num_cols);
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2020-11-25 14:52:11 +00:00
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2021-06-15 19:55:21 +00:00
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for (const auto i : collections::range(0, num_rows))
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2021-01-09 22:42:42 +00:00
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{
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2021-06-15 19:55:21 +00:00
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for (const auto j : collections::range(0, num_cols))
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2021-01-09 22:42:42 +00:00
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{
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if (columns[j]->isNullAt(i))
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{
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row[j] = std::nullopt;
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}
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else
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{
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WriteBufferFromOwnString ostr;
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if (isArray(data_types[j]))
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{
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parseArray((*columns[j])[i], data_types[j], ostr);
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}
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else
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{
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2021-03-09 14:46:52 +00:00
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data_types[j]->getDefaultSerialization()->serializeText(*columns[j], i, ostr, FormatSettings{});
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2021-01-09 22:42:42 +00:00
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}
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row[j] = ostr.str();
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}
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}
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2021-01-10 10:03:01 +00:00
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2021-08-24 12:29:42 +00:00
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inserter->insert(row);
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2021-01-09 22:42:42 +00:00
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}
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}
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2021-07-23 19:33:59 +00:00
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void onFinish() override
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2021-01-09 22:42:42 +00:00
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{
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2021-05-22 08:47:19 +00:00
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if (inserter)
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inserter->complete();
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2021-01-09 22:42:42 +00:00
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}
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2020-11-25 14:52:11 +00:00
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2021-01-09 22:42:42 +00:00
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/// Cannot just use serializeAsText for array data type even though it converts perfectly
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2021-06-28 17:02:22 +00:00
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/// any dimension number array into text format, because it encloses in '[]' and for postgres it must be '{}'.
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2021-01-16 08:43:59 +00:00
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/// Check if array[...] syntax from PostgreSQL will be applicable.
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2023-05-17 13:13:57 +00:00
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static void parseArray(const Field & array_field, const DataTypePtr & data_type, WriteBuffer & ostr)
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2020-11-25 14:52:11 +00:00
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{
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2021-01-09 22:42:42 +00:00
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const auto * array_type = typeid_cast<const DataTypeArray *>(data_type.get());
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2021-01-10 10:03:01 +00:00
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const auto & nested = array_type->getNestedType();
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2021-01-09 22:42:42 +00:00
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const auto & array = array_field.get<Array>();
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if (!isArray(nested))
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2020-11-25 14:52:11 +00:00
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{
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2023-05-17 13:13:57 +00:00
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parseArrayContent(array, data_type, ostr);
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2021-01-09 22:42:42 +00:00
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return;
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}
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writeChar('{', ostr);
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const auto * nested_array_type = typeid_cast<const DataTypeArray *>(nested.get());
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for (auto iter = array.begin(); iter != array.end(); ++iter)
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{
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if (iter != array.begin())
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writeText(", ", ostr);
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if (!isArray(nested_array_type->getNestedType()))
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2020-11-25 14:52:11 +00:00
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{
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2023-05-17 13:13:57 +00:00
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parseArrayContent(iter->get<Array>(), nested, ostr);
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2020-11-25 14:52:11 +00:00
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}
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else
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{
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2021-01-09 22:42:42 +00:00
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parseArray(*iter, nested, ostr);
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2020-11-25 14:52:11 +00:00
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}
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}
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2021-01-09 22:42:42 +00:00
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writeChar('}', ostr);
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2020-11-25 14:52:11 +00:00
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}
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2021-01-09 22:42:42 +00:00
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/// Conversion is done via column casting because with writeText(Array..) got incorrect conversion
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/// of Date and DateTime data types and it added extra quotes for values inside array.
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2023-05-17 13:13:57 +00:00
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static void parseArrayContent(const Array & array_field, const DataTypePtr & data_type, WriteBuffer & ostr)
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2021-01-09 22:42:42 +00:00
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{
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2023-05-17 13:13:57 +00:00
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auto nested_type = typeid_cast<const DataTypeArray *>(data_type.get())->getNestedType();
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auto array_column = ColumnArray::create(createNested(nested_type));
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2021-01-15 20:09:31 +00:00
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array_column->insert(array_field);
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2021-01-09 22:42:42 +00:00
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2023-05-17 13:13:57 +00:00
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const IColumn & nested_column = array_column->getData();
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const auto serialization = nested_type->getDefaultSerialization();
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FormatSettings settings;
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settings.pretty.charset = FormatSettings::Pretty::Charset::ASCII;
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if (nested_type->isNullable())
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nested_type = static_cast<const DataTypeNullable *>(nested_type.get())->getNestedType();
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const bool quoted = !isUUID(nested_type);
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writeChar('{', ostr);
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for (size_t i = 0, size = array_field.size(); i < size; ++i)
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{
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if (i != 0)
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writeChar(',', ostr);
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if (quoted)
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serialization->serializeTextQuoted(nested_column, i, ostr, settings);
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else
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serialization->serializeText(nested_column, i, ostr, settings);
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}
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writeChar('}', ostr);
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2021-01-09 22:42:42 +00:00
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}
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2021-01-15 20:09:31 +00:00
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static MutableColumnPtr createNested(DataTypePtr nested)
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2021-01-09 22:42:42 +00:00
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{
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bool is_nullable = false;
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if (nested->isNullable())
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{
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is_nullable = true;
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2021-01-10 15:33:35 +00:00
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nested = static_cast<const DataTypeNullable *>(nested.get())->getNestedType();
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2021-01-09 22:42:42 +00:00
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}
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WhichDataType which(nested);
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2021-01-15 20:09:31 +00:00
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MutableColumnPtr nested_column;
|
2021-01-09 22:42:42 +00:00
|
|
|
if (which.isString() || which.isFixedString()) nested_column = ColumnString::create();
|
|
|
|
else if (which.isInt8() || which.isInt16()) nested_column = ColumnInt16::create();
|
|
|
|
else if (which.isUInt8() || which.isUInt16()) nested_column = ColumnUInt16::create();
|
|
|
|
else if (which.isInt32()) nested_column = ColumnInt32::create();
|
|
|
|
else if (which.isUInt32()) nested_column = ColumnUInt32::create();
|
|
|
|
else if (which.isInt64()) nested_column = ColumnInt64::create();
|
|
|
|
else if (which.isUInt64()) nested_column = ColumnUInt64::create();
|
|
|
|
else if (which.isFloat32()) nested_column = ColumnFloat32::create();
|
|
|
|
else if (which.isFloat64()) nested_column = ColumnFloat64::create();
|
|
|
|
else if (which.isDate()) nested_column = ColumnUInt16::create();
|
|
|
|
else if (which.isDateTime()) nested_column = ColumnUInt32::create();
|
2023-05-15 21:40:10 +00:00
|
|
|
else if (which.isUUID()) nested_column = ColumnUUID::create();
|
2021-07-13 07:28:15 +00:00
|
|
|
else if (which.isDateTime64())
|
|
|
|
{
|
2021-07-13 17:59:33 +00:00
|
|
|
nested_column = ColumnDecimal<DateTime64>::create(0, 6);
|
2021-07-13 07:28:15 +00:00
|
|
|
}
|
2021-01-09 22:42:42 +00:00
|
|
|
else if (which.isDecimal32())
|
|
|
|
{
|
|
|
|
const auto & type = typeid_cast<const DataTypeDecimal<Decimal32> *>(nested.get());
|
|
|
|
nested_column = ColumnDecimal<Decimal32>::create(0, type->getScale());
|
|
|
|
}
|
|
|
|
else if (which.isDecimal64())
|
|
|
|
{
|
|
|
|
const auto & type = typeid_cast<const DataTypeDecimal<Decimal64> *>(nested.get());
|
|
|
|
nested_column = ColumnDecimal<Decimal64>::create(0, type->getScale());
|
|
|
|
}
|
|
|
|
else if (which.isDecimal128())
|
|
|
|
{
|
|
|
|
const auto & type = typeid_cast<const DataTypeDecimal<Decimal128> *>(nested.get());
|
|
|
|
nested_column = ColumnDecimal<Decimal128>::create(0, type->getScale());
|
|
|
|
}
|
2021-01-10 10:03:01 +00:00
|
|
|
else if (which.isDecimal256())
|
|
|
|
{
|
|
|
|
const auto & type = typeid_cast<const DataTypeDecimal<Decimal256> *>(nested.get());
|
|
|
|
nested_column = ColumnDecimal<Decimal256>::create(0, type->getScale());
|
|
|
|
}
|
2021-01-09 22:42:42 +00:00
|
|
|
else
|
|
|
|
throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversion not supported");
|
|
|
|
|
|
|
|
if (is_nullable)
|
2021-01-15 20:09:31 +00:00
|
|
|
return ColumnNullable::create(std::move(nested_column), ColumnUInt8::create(nested_column->size(), 0));
|
2021-01-09 22:42:42 +00:00
|
|
|
|
|
|
|
return nested_column;
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
2021-08-24 12:29:42 +00:00
|
|
|
struct Inserter
|
2021-05-22 08:47:19 +00:00
|
|
|
{
|
2021-08-24 12:29:42 +00:00
|
|
|
pqxx::connection & connection;
|
2021-05-22 08:47:19 +00:00
|
|
|
pqxx::work tx;
|
2021-08-24 12:29:42 +00:00
|
|
|
|
2021-08-25 21:51:43 +00:00
|
|
|
explicit Inserter(pqxx::connection & connection_)
|
2021-08-24 12:29:42 +00:00
|
|
|
: connection(connection_)
|
|
|
|
, tx(connection) {}
|
|
|
|
|
|
|
|
virtual ~Inserter() = default;
|
|
|
|
|
|
|
|
virtual void insert(const Row & row) = 0;
|
|
|
|
virtual void complete() = 0;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct StreamTo : Inserter
|
|
|
|
{
|
2021-06-09 07:46:49 +00:00
|
|
|
Names columns;
|
2021-05-22 08:47:19 +00:00
|
|
|
pqxx::stream_to stream;
|
|
|
|
|
2021-08-24 12:29:42 +00:00
|
|
|
StreamTo(pqxx::connection & connection_, pqxx::table_path table_, Names columns_)
|
|
|
|
: Inserter(connection_)
|
2021-06-09 07:46:49 +00:00
|
|
|
, columns(std::move(columns_))
|
2021-06-16 09:11:31 +00:00
|
|
|
, stream(pqxx::stream_to::raw_table(tx, connection.quote_table(table_), connection.quote_columns(columns)))
|
2021-06-09 07:46:49 +00:00
|
|
|
{
|
|
|
|
}
|
2021-05-22 08:47:19 +00:00
|
|
|
|
2021-08-24 12:29:42 +00:00
|
|
|
void complete() override
|
2021-05-22 08:47:19 +00:00
|
|
|
{
|
|
|
|
stream.complete();
|
|
|
|
tx.commit();
|
|
|
|
}
|
2021-08-24 12:29:42 +00:00
|
|
|
|
|
|
|
void insert(const Row & row) override
|
|
|
|
{
|
|
|
|
stream.write_values(row);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct PreparedInsert : Inserter
|
|
|
|
{
|
|
|
|
PreparedInsert(pqxx::connection & connection_, const String & table, const String & schema,
|
|
|
|
const ColumnsWithTypeAndName & columns, const String & on_conflict_)
|
|
|
|
: Inserter(connection_)
|
2023-04-26 11:06:10 +00:00
|
|
|
, statement_name("insert_" + getHexUIntLowercase(thread_local_rng()))
|
2021-08-24 12:29:42 +00:00
|
|
|
{
|
|
|
|
WriteBufferFromOwnString buf;
|
|
|
|
buf << getInsertQuery(schema, table, columns, IdentifierQuotingStyle::DoubleQuotes);
|
|
|
|
buf << " (";
|
|
|
|
for (size_t i = 1; i <= columns.size(); ++i)
|
|
|
|
{
|
|
|
|
if (i > 1)
|
|
|
|
buf << ", ";
|
|
|
|
buf << "$" << i;
|
|
|
|
}
|
|
|
|
buf << ") ";
|
|
|
|
buf << on_conflict_;
|
2023-04-26 11:06:10 +00:00
|
|
|
connection.prepare(statement_name, buf.str());
|
|
|
|
prepared = true;
|
2021-08-24 12:29:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void complete() override
|
|
|
|
{
|
2023-04-26 11:06:10 +00:00
|
|
|
connection.unprepare(statement_name);
|
|
|
|
prepared = false;
|
2021-08-24 12:29:42 +00:00
|
|
|
tx.commit();
|
|
|
|
}
|
|
|
|
|
|
|
|
void insert(const Row & row) override
|
|
|
|
{
|
|
|
|
pqxx::params params;
|
|
|
|
params.reserve(row.size());
|
|
|
|
params.append_multi(row);
|
2023-04-26 11:06:10 +00:00
|
|
|
tx.exec_prepared(statement_name, params);
|
2021-08-24 12:29:42 +00:00
|
|
|
}
|
2023-04-26 11:06:10 +00:00
|
|
|
|
|
|
|
~PreparedInsert() override
|
|
|
|
{
|
|
|
|
try
|
|
|
|
{
|
|
|
|
if (prepared)
|
|
|
|
connection.unprepare(statement_name);
|
|
|
|
}
|
|
|
|
catch (...)
|
|
|
|
{
|
|
|
|
tryLogCurrentException(__PRETTY_FUNCTION__);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
const String statement_name;
|
|
|
|
bool prepared = false;
|
2021-05-22 08:47:19 +00:00
|
|
|
};
|
|
|
|
|
2021-01-09 22:42:42 +00:00
|
|
|
StorageMetadataPtr metadata_snapshot;
|
2021-05-07 11:18:49 +00:00
|
|
|
postgres::ConnectionHolderPtr connection_holder;
|
2021-08-24 12:29:42 +00:00
|
|
|
const String remote_db_name, remote_table_name, remote_table_schema, on_conflict;
|
|
|
|
|
|
|
|
std::unique_ptr<Inserter> inserter;
|
2021-01-09 22:42:42 +00:00
|
|
|
};
|
2020-11-25 14:52:11 +00:00
|
|
|
|
2021-01-09 22:42:42 +00:00
|
|
|
|
2021-07-23 19:33:59 +00:00
|
|
|
SinkToStoragePtr StoragePostgreSQL::write(
|
2021-04-10 23:33:54 +00:00
|
|
|
const ASTPtr & /*query*/, const StorageMetadataPtr & metadata_snapshot, ContextPtr /* context */)
|
2020-11-25 14:52:11 +00:00
|
|
|
{
|
2021-08-24 12:29:42 +00:00
|
|
|
return std::make_shared<PostgreSQLSink>(metadata_snapshot, pool->get(), remote_table_name, remote_table_schema, on_conflict);
|
2020-11-25 14:52:11 +00:00
|
|
|
}
|
|
|
|
|
2023-02-20 20:37:38 +00:00
|
|
|
StoragePostgreSQL::Configuration StoragePostgreSQL::processNamedCollectionResult(const NamedCollection & named_collection, bool require_table)
|
|
|
|
{
|
|
|
|
StoragePostgreSQL::Configuration configuration;
|
2023-03-01 16:00:10 +00:00
|
|
|
ValidateKeysMultiset<ExternalDatabaseEqualKeysSet> required_arguments = {"user", "username", "password", "database", "db"};
|
2023-02-20 20:37:38 +00:00
|
|
|
if (require_table)
|
|
|
|
required_arguments.insert("table");
|
2023-02-24 19:38:40 +00:00
|
|
|
|
|
|
|
validateNamedCollection<ValidateKeysMultiset<ExternalDatabaseEqualKeysSet>>(
|
2023-05-03 23:40:12 +00:00
|
|
|
named_collection, required_arguments, {"schema", "on_conflict", "addresses_expr", "host", "hostname", "port", "use_table_cache"});
|
2023-02-20 20:37:38 +00:00
|
|
|
|
|
|
|
configuration.addresses_expr = named_collection.getOrDefault<String>("addresses_expr", "");
|
|
|
|
if (configuration.addresses_expr.empty())
|
|
|
|
{
|
2023-02-24 19:57:37 +00:00
|
|
|
configuration.host = named_collection.getAny<String>({"host", "hostname"});
|
2023-02-20 20:37:38 +00:00
|
|
|
configuration.port = static_cast<UInt16>(named_collection.get<UInt64>("port"));
|
|
|
|
configuration.addresses = {std::make_pair(configuration.host, configuration.port)};
|
|
|
|
}
|
|
|
|
|
2023-02-24 19:57:37 +00:00
|
|
|
configuration.username = named_collection.getAny<String>({"username", "user"});
|
2023-02-20 20:37:38 +00:00
|
|
|
configuration.password = named_collection.get<String>("password");
|
2023-02-24 19:57:37 +00:00
|
|
|
configuration.database = named_collection.getAny<String>({"db", "database"});
|
2023-02-20 20:37:38 +00:00
|
|
|
if (require_table)
|
|
|
|
configuration.table = named_collection.get<String>("table");
|
|
|
|
configuration.schema = named_collection.getOrDefault<String>("schema", "");
|
|
|
|
configuration.on_conflict = named_collection.getOrDefault<String>("on_conflict", "");
|
|
|
|
|
|
|
|
return configuration;
|
|
|
|
}
|
2020-11-25 14:52:11 +00:00
|
|
|
|
2022-12-17 00:30:55 +00:00
|
|
|
StoragePostgreSQL::Configuration StoragePostgreSQL::getConfiguration(ASTs engine_args, ContextPtr context)
|
2020-11-20 22:47:04 +00:00
|
|
|
{
|
2022-12-17 00:30:55 +00:00
|
|
|
StoragePostgreSQL::Configuration configuration;
|
2023-03-05 11:50:29 +00:00
|
|
|
if (auto named_collection = tryGetNamedCollectionWithOverrides(engine_args, context))
|
2020-11-20 22:47:04 +00:00
|
|
|
{
|
2023-02-20 20:37:38 +00:00
|
|
|
configuration = StoragePostgreSQL::processNamedCollectionResult(*named_collection);
|
2021-09-01 17:59:11 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2021-08-24 12:29:42 +00:00
|
|
|
if (engine_args.size() < 5 || engine_args.size() > 7)
|
2022-12-21 23:27:22 +00:00
|
|
|
{
|
|
|
|
throw Exception(
|
|
|
|
ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
|
|
|
|
"Storage PostgreSQL requires from 5 to 7 parameters: "
|
|
|
|
"PostgreSQL('host:port', 'database', 'table', 'username', 'password' "
|
|
|
|
"[, 'schema', 'ON CONFLICT ...']. Got: {}",
|
|
|
|
engine_args.size());
|
|
|
|
}
|
2020-11-20 22:47:04 +00:00
|
|
|
|
|
|
|
for (auto & engine_arg : engine_args)
|
2021-09-01 17:59:11 +00:00
|
|
|
engine_arg = evaluateConstantExpressionOrIdentifierAsLiteral(engine_arg, context);
|
2020-11-20 22:47:04 +00:00
|
|
|
|
2023-03-05 11:50:29 +00:00
|
|
|
configuration.addresses_expr = checkAndGetLiteralArgument<String>(engine_args[0], "host:port");
|
2021-09-01 17:59:11 +00:00
|
|
|
size_t max_addresses = context->getSettingsRef().glob_expansion_max_elements;
|
2021-03-27 19:18:05 +00:00
|
|
|
|
2023-03-05 11:50:29 +00:00
|
|
|
configuration.addresses = parseRemoteDescriptionForExternalDatabase(configuration.addresses_expr, max_addresses, 5432);
|
2021-09-03 11:16:32 +00:00
|
|
|
if (configuration.addresses.size() == 1)
|
|
|
|
{
|
|
|
|
configuration.host = configuration.addresses[0].first;
|
|
|
|
configuration.port = configuration.addresses[0].second;
|
|
|
|
}
|
2022-12-17 00:30:55 +00:00
|
|
|
configuration.database = checkAndGetLiteralArgument<String>(engine_args[1], "database");
|
2022-06-23 20:04:06 +00:00
|
|
|
configuration.table = checkAndGetLiteralArgument<String>(engine_args[2], "table");
|
2022-12-20 21:33:54 +00:00
|
|
|
configuration.username = checkAndGetLiteralArgument<String>(engine_args[3], "user");
|
2022-06-23 20:04:06 +00:00
|
|
|
configuration.password = checkAndGetLiteralArgument<String>(engine_args[4], "password");
|
2020-11-20 22:47:04 +00:00
|
|
|
|
2021-08-24 12:29:42 +00:00
|
|
|
if (engine_args.size() >= 6)
|
2022-06-23 20:04:06 +00:00
|
|
|
configuration.schema = checkAndGetLiteralArgument<String>(engine_args[5], "schema");
|
2021-08-24 12:29:42 +00:00
|
|
|
if (engine_args.size() >= 7)
|
2022-06-23 20:04:06 +00:00
|
|
|
configuration.on_conflict = checkAndGetLiteralArgument<String>(engine_args[6], "on_conflict");
|
2021-09-01 17:59:11 +00:00
|
|
|
}
|
2022-03-14 14:38:12 +00:00
|
|
|
for (const auto & address : configuration.addresses)
|
2022-03-11 15:33:23 +00:00
|
|
|
context->getRemoteHostFilter().checkHostAndPort(address.first, toString(address.second));
|
2021-03-14 10:35:10 +00:00
|
|
|
|
2021-09-01 17:59:11 +00:00
|
|
|
return configuration;
|
|
|
|
}
|
2021-03-14 10:35:10 +00:00
|
|
|
|
|
|
|
|
2021-09-01 17:59:11 +00:00
|
|
|
void registerStoragePostgreSQL(StorageFactory & factory)
|
|
|
|
{
|
|
|
|
factory.registerStorage("PostgreSQL", [](const StorageFactory::Arguments & args)
|
|
|
|
{
|
2021-09-15 18:11:49 +00:00
|
|
|
auto configuration = StoragePostgreSQL::getConfiguration(args.engine_args, args.getLocalContext());
|
2022-06-23 21:44:59 +00:00
|
|
|
const auto & settings = args.getContext()->getSettingsRef();
|
2021-09-01 23:17:15 +00:00
|
|
|
auto pool = std::make_shared<postgres::PoolWithFailover>(configuration,
|
2022-06-23 21:44:59 +00:00
|
|
|
settings.postgresql_connection_pool_size,
|
|
|
|
settings.postgresql_connection_pool_wait_timeout,
|
|
|
|
POSTGRESQL_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES,
|
|
|
|
settings.postgresql_connection_pool_auto_close_connection);
|
2021-01-15 21:18:51 +00:00
|
|
|
|
2022-04-19 20:47:29 +00:00
|
|
|
return std::make_shared<StoragePostgreSQL>(
|
2021-05-11 16:22:24 +00:00
|
|
|
args.table_id,
|
|
|
|
std::move(pool),
|
2021-09-01 17:59:11 +00:00
|
|
|
configuration.table,
|
2021-05-11 16:22:24 +00:00
|
|
|
args.columns,
|
|
|
|
args.constraints,
|
|
|
|
args.comment,
|
2021-09-01 17:59:11 +00:00
|
|
|
configuration.schema,
|
|
|
|
configuration.on_conflict);
|
2020-11-20 22:47:04 +00:00
|
|
|
},
|
|
|
|
{
|
|
|
|
.source_access_type = AccessType::POSTGRES,
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|