stackql query reported an error: panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x1c8d4c4] goroutine 1 [running]: github.com/stackql/stackql/internal/stackql/astindirect.(*Subquery).GetColumnByName(0x0?, {0xc0001eed80, 0x5}) /home/runner/work/stackql/stackql/internal/stackql/astindirect/subquery_indirect.go:90 +0x24 github.com/stackql/stackql/internal/stackql/astvisit.(*standardQueryRewriteAstVisitor).Visit(0xc00021a300, {0x2adc9f0?, 0xc0004a0600}) /home/runner/work/stackql/stackql/internal/stackql/astvisit/query_rewriting.go:694 +0x4124 github.com/stackql/stackql/internal/stackql/astvisit.(*standardQueryRewriteAstVisitor).Visit(0xc00021a300, {0x2add5f8?, 0xc0006c96b0}) /home/runner/work/stackql/stackql/internal/stackql/astvisit/query_rewriting.go:614 +0x4e15 github.com/stackql/stackql-parser/go/vt/sqlparser.SelectExprs.Accept(...) /home/runner/go/pkg/mod/github.com/stackql/stackql-parser@v0.0.16-alpha01/go/vt/sqlparser/external_visitor.go:85 github.com/stackql/stackql/internal/stackql/astvisit.(*standardQueryRewriteAstVisitor).Visit(0xc00021a300, {0x2adc8d8?, 0xc0006ea240}) /home/runner/work/stackql/stackql/internal/stackql/astvisit/query_rewriting.go:295 +0x1885 github.com/stackql/stackql/internal/stackql/dependencyplanner.(*standardDependencyPlanner).Plan(0xc00068f900) /home/runner/work/stackql/stackql/internal/stackql/dependencyplanner/dependencyplanner.go:352 +0xe35 github.com/stackql/stackql/internal/stackql/primitivegenerator.(*standardPrimitiveGenerator).analyzeSelect(0xc00001e750, {0x2b45e40, 0xc0001da360}) /home/runner/work/stackql/stackql/internal/stackql/primitivegenerator/select.go:216 +0xf3b github.com/stackql/stackql/internal/stackql/primitivegenerator.(*standardPrimitiveGenerator).AnalyzeStatement(0xc00001e750, {0x2b45e40, 0xc0001da360}) /home/runner/work/stackql/stackql/internal/stackql/primitivegenerator/statement_analyzer.go:84 +0x2c7 github.com/stackql/stackql/internal/stackql/planbuilder.(*standardPlanGraphBuilder).handleSelect(0xc0006d4280, {0x2b45e40, 0xc0001da360}) /home/runner/work/stackql/stackql/internal/stackql/planbuilder/plan_builder.go:557 +0x18c github.com/stackql/stackql/internal/stackql/planbuilder.(*standardPlanGraphBuilder).createInstructionFor(0xc0006d4280, {0x2b45e40, 0xc0001da360}) /home/runner/work/stackql/stackql/internal/stackql/planbuilder/plan_builder.go:133 +0x99 github.com/stackql/stackql/internal/stackql/planbuilder.(*standardPlanBuilder).BuildPlanFromContext(0xc000075060, {0x2b467e0, 0xc0006d6508}) /home/runner/work/stackql/stackql/internal/stackql/planbuilder/entrypoint.go:148 +0xd98 github.com/stackql/stackql/internal/stackql/querysubmit.(*basicQuerySubmitter).PrepareQuery(0xc0006d4140, {0x2b467e0, 0xc0006d6508}) /home/runner/work/stackql/stackql/internal/stackql/querysubmit/querysubmit.go:87 +0xa5 github.com/stackql/stackql/internal/stackql/acid/tsm_physio.(*basicStatement).Prepare(0xc0006d4190) /home/runner/work/stackql/stackql/internal/stackql/acid/tsm_physio/statement.go:108 +0xbd github.com/stackql/stackql/internal/stackql/acid/tsm_physio.(*standardOrchestrator).processQuery(0xc00031f3c0, {0x2b467e0?, 0xc000218a08?}, {0xc0002da780, 0x173}) /home/runner/work/stackql/stackql/internal/stackql/acid/tsm_physio/txn_orchestrator.go:91 +0x192 github.com/stackql/stackql/internal/stackql/acid/tsm_physio.(*standardOrchestrator).processQueryOrQueries(0xc00031f3c0, {0x2b467e0, 0xc000218a08}) /home/runner/work/stackql/stackql/internal/stackql/acid/tsm_physio/txn_orchestrator.go:72 +0xb2 github.com/stackql/stackql/internal/stackql/acid/tsm_physio.(*standardOrchestrator).ProcessQueryOrQueries(0xc000123908?, {0x2b467e0?, 0xc000218a08?}) /home/runner/work/stackql/stackql/internal/stackql/acid/tsm_physio/txn_orchestrator.go:63 +0x1d github.com/stackql/stackql/internal/stackql/driver.(*basicStackQLDriver).processQueryOrQueries(...) /home/runner/work/stackql/stackql/internal/stackql/driver/driver.go:203 github.com/stackql/stackql/internal/stackql/driver.(*basicStackQLDriver).ProcessQu