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#include <Analyzer/InterpolateNode.h>
#include <Common/SipHash.h>
#include <IO/WriteBufferFromString.h>
#include <IO/Operators.h>
#include <Parsers/ASTInterpolateElement.h>
namespace DB
{
InterpolateNode::InterpolateNode(QueryTreeNodePtr expression_, QueryTreeNodePtr interpolate_expression_)
: IQueryTreeNode(children_size)
{
children[expression_child_index] = std::move(expression_);
children[interpolate_expression_child_index] = std::move(interpolate_expression_);
}
void InterpolateNode::dumpTreeImpl(WriteBuffer & buffer, FormatState & format_state, size_t indent) const
{
buffer << std::string(indent, ' ') << "INTERPOLATE id: " << format_state.getNodeId(this);
buffer << '\n' << std::string(indent + 2, ' ') << "EXPRESSION\n";
getExpression()->dumpTreeImpl(buffer, format_state, indent + 4);
buffer << '\n' << std::string(indent + 2, ' ') << "INTERPOLATE_EXPRESSION\n";
getInterpolateExpression()->dumpTreeImpl(buffer, format_state, indent + 4);
}
bool InterpolateNode::isEqualImpl(const IQueryTreeNode &) const
{
/// No state in interpolate node
return true;
}
void InterpolateNode::updateTreeHashImpl(HashState &) const
{
/// No state in interpolate node
}
QueryTreeNodePtr InterpolateNode::cloneImpl() const
{
return std::make_shared<InterpolateNode>(nullptr /*expression*/, nullptr /*interpolate_expression*/);
}
ASTPtr InterpolateNode::toASTImpl(const ConvertToASTOptions & options) const
{
auto result = std::make_shared<ASTInterpolateElement>();
result->column = getExpression()->toAST(options)->getColumnName();
result->children.push_back(getInterpolateExpression()->toAST(options));
result->expr = result->children.back();
return result;
}
}
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