diff options
Diffstat (limited to 'src/mongo/db/query/sbe_stage_builder_expression.cpp')
| -rw-r--r-- | src/mongo/db/query/sbe_stage_builder_expression.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/mongo/db/query/sbe_stage_builder_expression.cpp b/src/mongo/db/query/sbe_stage_builder_expression.cpp index 4a6312ad707..4ed687eac13 100644 --- a/src/mongo/db/query/sbe_stage_builder_expression.cpp +++ b/src/mongo/db/query/sbe_stage_builder_expression.cpp @@ -183,8 +183,8 @@ struct ExpressionVisitorContext { /** * Generate an EExpression that converts a value (contained in a variable bound to 'branchRef') that - * can be of any type to a Boolean value based on MQL's definition of truth for the branch of a - * "$and" or "$or" expression. + * can be of any type to a Boolean value based on MQL's definition of truth for the branch of any + * logical expression. */ std::unique_ptr<sbe::EExpression> generateExpressionForLogicBranch(sbe::EVariable branchRef) { // Make an expression that compares the value in 'branchRef' to the result of evaluating the @@ -199,7 +199,7 @@ std::unique_ptr<sbe::EExpression> generateExpressionForLogicBranch(sbe::EVariabl }; // If any of these are false, the branch is considered false for the purposes of the - // $and/$or. + // any logical expression. auto checkExists = sbe::makeE<sbe::EFunction>("exists", sbe::makeEs(branchRef.clone())); auto checkNotNull = sbe::makeE<sbe::EPrimUnary>( sbe::EPrimUnary::logicNot, @@ -952,7 +952,14 @@ public: unsupportedExpression(expr->getOpName()); } void visit(ExpressionNot* expr) final { - unsupportedExpression(expr->getOpName()); + auto frameId = _context->frameIdGenerator->generate(); + auto binds = sbe::makeEs(_context->popExpr()); + + auto notExpr = sbe::makeE<sbe::EPrimUnary>(sbe::EPrimUnary::logicNot, + generateExpressionForLogicBranch({frameId, 0})); + + _context->pushExpr( + sbe::makeE<sbe::ELocalBind>(frameId, std::move(binds), std::move(notExpr))); } void visit(ExpressionObject* expr) final { unsupportedExpression("$object"); |