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#include "PostgreSQLProtocol.h"
namespace DB::PostgreSQLProtocol::Messaging
{
ColumnTypeSpec convertTypeIndexToPostgresColumnTypeSpec(TypeIndex type_index)
{
switch (type_index)
{
case TypeIndex::Int8:
return {ColumnType::CHAR, 1};
case TypeIndex::UInt8:
case TypeIndex::Int16:
return {ColumnType::INT2, 2};
case TypeIndex::UInt16:
case TypeIndex::Int32:
return {ColumnType::INT4, 4};
case TypeIndex::UInt32:
case TypeIndex::Int64:
return {ColumnType::INT8, 8};
case TypeIndex::Float32:
return {ColumnType::FLOAT4, 4};
case TypeIndex::Float64:
return {ColumnType::FLOAT8, 8};
case TypeIndex::FixedString:
case TypeIndex::String:
return {ColumnType::VARCHAR, -1};
case TypeIndex::Date:
return {ColumnType::DATE, 4};
case TypeIndex::Decimal32:
case TypeIndex::Decimal64:
case TypeIndex::Decimal128:
case TypeIndex::Decimal256:
return {ColumnType::NUMERIC, -1};
case TypeIndex::UUID:
return {ColumnType::UUID, 16};
default:
return {ColumnType::VARCHAR, -1};
}
}
}
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