Before
```
[2023-03-01 08:19:51] Evaluated non-recursive predicate Filters#b57b2328::Filters::selfPostUpdate#2#ff@6718c917 in 6751ms (size: 83265).
Evaluated relational algebra for predicate Filters#b57b2328::Filters::selfPostUpdate#2#ff@6718c917 with tuple counts:
3872025 ~3% {2} r1 = JOIN _CfgNodes#ace8e412::ExprCfgNode::getExpr#0#dispred#ff_DataFlowPrivate#462ff392::Cached::TExprNode#ff#shared WITH Statement#f35022d0::Stmt::getCfgScope#0#dispred#ff ON FIRST 1 OUTPUT Rhs.1, Lhs.1
3637917 ~0% {2} r2 = JOIN r1 WITH Method#8b49e67f::Callable#f ON FIRST 1 OUTPUT Lhs.0, Lhs.1
679799 ~0% {2} r3 = JOIN r2 WITH Method#8b49e67f::Method#ff ON FIRST 1 OUTPUT Lhs.0, Lhs.1
3069328 ~0% {3} r4 = JOIN r3 WITH Variable#1965ffe5::Variable::getDeclaringScope#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.0
22039083 ~0% {3} r5 = JOIN r4 WITH Variable#1965ffe5::VariableAccess::getVariable#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
10051483 ~0% {3} r6 = JOIN r5 WITH Variable#9f7d933a::SelfVariableAccessImpl#class#f ON FIRST 1 OUTPUT Lhs.0, Lhs.1, Lhs.2
10057538 ~5% {3} r7 = JOIN r6 WITH CfgNodes#ace8e412::ExprCfgNode::getExpr#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
10057538 ~5% {3} r8 = JOIN r7 WITH CfgNodes#ace8e412::ExprNodes::SelfVariableAccessCfgNode#ff ON FIRST 1 OUTPUT Lhs.0, Lhs.1, Lhs.2
10057538 ~0% {3} r9 = JOIN r8 WITH DataFlowPrivate#462ff392::Cached::TExprNode#ff ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
10033937 ~1% {3} r10 = JOIN r9 WITH DataFlowPublic#e1781e31::PostUpdateNode::getPreUpdateNode#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
83281 ~2% {2} r11 = JOIN r10 WITH DataFlowPublic#e1781e31::PostUpdateNode::getPreUpdateNode#0#dispred#ff ON FIRST 2 OUTPUT Lhs.0, Lhs.2
return r11
```
After
```
[2023-03-01 08:31:20] Evaluated non-recursive predicate Filters#b57b2328::Filters::selfPostUpdate#2#ff@06d73c6q in 161ms (size: 83265).
Evaluated relational algebra for predicate Filters#b57b2328::Filters::selfPostUpdate#2#ff@06d73c6q with tuple counts:
23680 ~2% {1} r1 = SCAN Method#8b49e67f::Method#ff OUTPUT In.0
23680 ~2% {1} r2 = STREAM DEDUP r1
23680 ~0% {2} r3 = JOIN r2 WITH Method#8b49e67f::Callable#f ON FIRST 1 OUTPUT Lhs.0, Lhs.0
54790 ~4% {3} r4 = JOIN r3 WITH Variable#1965ffe5::Variable::getDeclaringScope#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.0
202490 ~0% {3} r5 = JOIN r4 WITH Variable#1965ffe5::VariableAccess::getVariable#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1, Lhs.2
98332 ~5% {3} r6 = JOIN r5 WITH Variable#9f7d933a::SelfVariableAccessImpl#class#f ON FIRST 1 OUTPUT Lhs.0, Lhs.1, Lhs.2
83491 ~1% {2} r7 = JOIN r6 WITH Statement#f35022d0::Stmt::getCfgScope#0#dispred#ff ON FIRST 2 OUTPUT Lhs.0, Lhs.2
83584 ~0% {2} r8 = JOIN r7 WITH CfgNodes#ace8e412::ExprCfgNode::getExpr#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1
83584 ~0% {2} r9 = JOIN r8 WITH DataFlowPrivate#462ff392::Cached::TExprNode#ff ON FIRST 1 OUTPUT Rhs.1, Lhs.1
83265 ~2% {2} r10 = JOIN r9 WITH DataFlowPublic#e1781e31::PostUpdateNode::getPreUpdateNode#0#dispred#ff_10#join_rhs ON FIRST 1 OUTPUT Rhs.1, Lhs.1
return r10
```
CodeQL
This open source repository contains the standard CodeQL libraries and queries that power GitHub Advanced Security and the other application security products that GitHub makes available to its customers worldwide.
How do I learn CodeQL and run queries?
There is extensive documentation on getting started with writing CodeQL using the CodeQL extension for Visual Studio Code and the CodeQL CLI.
Contributing
We welcome contributions to our standard library and standard checks. Do you have an idea for a new check, or how to improve an existing query? Then please go ahead and open a pull request! Before you do, though, please take the time to read our contributing guidelines. You can also consult our style guides to learn how to format your code for consistency and clarity, how to write query metadata, and how to write query help documentation for your query.
For information on contributing to CodeQL documentation, see the "contributing guide" for docs.
License
The code in this repository is licensed under the MIT License by GitHub.
The CodeQL CLI (including the CodeQL engine) is hosted in a different repository and is licensed separately. If you'd like to use the CodeQL CLI to analyze closed-source code, you will need a separate commercial license; please contact us for further help.
Visual Studio Code integration
If you use Visual Studio Code to work in this repository, there are a few integration features to make development easier.
CodeQL for Visual Studio Code
You can install the CodeQL for Visual Studio Code extension to get syntax highlighting, IntelliSense, and code navigation for the QL language, as well as unit test support for testing CodeQL libraries and queries.
Tasks
The .vscode/tasks.json file defines custom tasks specific to working in this repository. To invoke one of these tasks, select the Terminal | Run Task... menu option, and then select the desired task from the dropdown. You can also invoke the Tasks: Run Task command from the command palette.