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46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#include "ODBCSink.h"
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#include <IO/WriteBufferFromString.h>
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#include <Interpreters/Context.h>
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#include <Processors/Formats/IOutputFormat.h>
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#include <Parsers/getInsertQuery.h>
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namespace DB
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{
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ODBCSink::ODBCSink(
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nanodbc::ConnectionHolderPtr connection_holder_,
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const std::string & remote_database_name_,
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const std::string & remote_table_name_,
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const Block & sample_block_,
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ContextPtr local_context_,
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IdentifierQuotingStyle quoting_)
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: ISink(sample_block_)
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, log(getLogger("ODBCSink"))
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, connection_holder(std::move(connection_holder_))
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, db_name(remote_database_name_)
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, table_name(remote_table_name_)
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, sample_block(sample_block_)
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, local_context(local_context_)
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, quoting(quoting_)
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{
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description.init(sample_block);
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}
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void ODBCSink::consume(Chunk chunk)
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{
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auto block = getPort().getHeader().cloneWithColumns(chunk.detachColumns());
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WriteBufferFromOwnString values_buf;
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auto writer = local_context->getOutputFormat("Values", values_buf, sample_block);
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writer->write(block);
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std::string query = getInsertQuery(db_name, table_name, block.getColumnsWithTypeAndName(), quoting) + values_buf.str();
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execute<void>(connection_holder,
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[&](nanodbc::connection & connection) { execute(connection, query); });
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}
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}
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