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Use constant evaluation when calculating referential dependencies.

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This commit is contained in:
Vitaly Baranov 2022-12-11 00:36:19 +01:00
parent efbf0f7398
commit fc0f29821b
1 changed files with 11 additions and 10 deletions
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21
src/Databases/DDLDependencyVisitor.cpp
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@ -2,6 +2,7 @@
#include <Dictionaries/getDictionaryConfigurationFromAST.h>
#include <Interpreters/Context.h>
#include <Interpreters/InDepthNodeVisitor.h>
#include <Interpreters/evaluateConstantExpression.h>
#include <Parsers/ASTCreateQuery.h>
#include <Parsers/ASTFunction.h>
#include <Parsers/ASTIdentifier.h>
@ -180,21 +181,21 @@ namespace
return {};
const auto & arg = args[arg_idx];
ASTPtr evaluated;
if (const auto * literal = arg->as<ASTLiteral>())
try
{
if (literal->value.getType() != Field::Types::String))
return {};
return literal->value.safeGet<String>();
evaluated = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);
}
else if (const auto * identifier = dynamic_cast<const ASTIdentifier *>(arg.get()))
catch (...)
{
return identifier->name();
}
else
{
return nullptr;
return {};
}
const auto * literal = evaluated->as<ASTLiteral>();
if (!literal || (literal->value.getType() != Field::Types::String))
return {};
return literal->value.safeGet<String>();
}
/// Gets an argument as a qualified table name.