[doris] branch master updated: [Debug](scan) Add debug log for find p0 scan coredump in pipeline (#24202)

[yiguolei]

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yiguolei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/master by this push:
     new dbf509edc0 [Debug](scan) Add debug log for find p0 scan coredump in 
pipeline (#24202)
dbf509edc0 is described below

commit dbf509edc0e438d458fefc1fa4fa147bfbe5287f
Author: HappenLee <happen...@hotmail.com>
AuthorDate: Tue Sep 12 12:17:44 2023 +0800

    [Debug](scan) Add debug log for find p0 scan coredump in pipeline (#24202)
---
 be/src/vec/exec/scan/pip_scanner_context.h | 9 +++++++++
 be/src/vec/exec/scan/scanner_context.h     | 2 +-
 be/src/vec/exec/scan/vscan_node.cpp        | 4 ++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/be/src/vec/exec/scan/pip_scanner_context.h 
b/be/src/vec/exec/scan/pip_scanner_context.h
index 39fc1845f6..29183a08da 100644
--- a/be/src/vec/exec/scan/pip_scanner_context.h
+++ b/be/src/vec/exec/scan/pip_scanner_context.h
@@ -176,6 +176,15 @@ public:
         }
     }
 
+    std::string debug_string() override {
+        auto res = ScannerContext::debug_string();
+        for (int i = 0; i < _blocks_queues.size(); ++i) {
+            res += " queue " + std::to_string(i) + ":size " +
+                   std::to_string(_blocks_queues[i].size_approx());
+        }
+        return res;
+    }
+
 private:
     int _next_queue_to_feed = 0;
     std::vector<moodycamel::ConcurrentQueue<vectorized::BlockUPtr>> 
_blocks_queues;
diff --git a/be/src/vec/exec/scan/scanner_context.h 
b/be/src/vec/exec/scan/scanner_context.h
index 471e5bc349..e486acc001 100644
--- a/be/src/vec/exec/scan/scanner_context.h
+++ b/be/src/vec/exec/scan/scanner_context.h
@@ -131,7 +131,7 @@ public:
 
     bool no_schedule();
 
-    std::string debug_string();
+    virtual std::string debug_string();
 
     RuntimeState* state() { return _state; }
 
diff --git a/be/src/vec/exec/scan/vscan_node.cpp 
b/be/src/vec/exec/scan/vscan_node.cpp
index b787c16224..1aef9e19ef 100644
--- a/be/src/vec/exec/scan/vscan_node.cpp
+++ b/be/src/vec/exec/scan/vscan_node.cpp
@@ -279,6 +279,10 @@ Status VScanNode::get_next(RuntimeState* state, 
vectorized::Block* block, bool*
         return Status::OK();
     }
 
+    if (scan_block == nullptr) {
+        LOG(FATAL) << "Scan block nullptr error _context_queue_id:" << 
_context_queue_id
+                   << " context debug string:" << _scanner_ctx->debug_string();
+    }
     // get scanner's block memory
     block->swap(*scan_block);
     _scanner_ctx->return_free_block(std::move(scan_block));


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