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Better exception message when cannot parse columns declaration list #10403

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This commit is contained in:
Alexey Milovidov 2020-06-09 01:49:19 +03:00
parent f0f1d4b250
commit 63f2d92eff
1 changed files with 4 additions and 10 deletions
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14
src/TableFunctions/parseColumnsListForTableFunction.cpp
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@ -1,5 +1,6 @@
#include <Parsers/ASTExpressionList.h>
#include <Parsers/ParserCreateQuery.h>
#include <Parsers/parseQuery.h>
#include <Interpreters/InterpreterCreateQuery.h>
#include <Interpreters/Context.h>
#include <TableFunctions/parseColumnsListForTableFunction.h>
@ -11,27 +12,20 @@ namespace DB
namespace ErrorCodes
{
extern const int LOGICAL_ERROR;
extern const int SYNTAX_ERROR;
}
ColumnsDescription parseColumnsListFromString(const std::string & structure, const Context & context)
{
Expected expected;
Tokens tokens(structure.c_str(), structure.c_str() + structure.size());
IParser::Pos token_iterator(tokens, context.getSettingsRef().max_parser_depth);
ParserColumnDeclarationList parser;
ASTPtr columns_list_raw;
const Settings & settings = context.getSettingsRef();
if (!parser.parse(token_iterator, columns_list_raw, expected))
throw Exception("Cannot parse columns declaration list.", ErrorCodes::SYNTAX_ERROR);
ASTPtr columns_list_raw = parseQuery(parser, structure, "columns declaration list", settings.max_query_size, settings.max_parser_depth);
auto * columns_list = dynamic_cast<ASTExpressionList *>(columns_list_raw.get());
if (!columns_list)
throw Exception("Could not cast AST to ASTExpressionList", ErrorCodes::LOGICAL_ERROR);
return InterpreterCreateQuery::getColumnsDescription(*columns_list, context, !context.getSettingsRef().allow_suspicious_codecs);
return InterpreterCreateQuery::getColumnsDescription(*columns_list, context, !settings.allow_suspicious_codecs);
}
}