Merge branch 'develop' of https://github.com/taosdata/TDengine into develop

.gitignore

@@ -11,6 +11,7 @@ debs/
 rpms/
 mac/
 *.pyc
+.mypy_cache
 *.tmp
 *.swp
 src/connector/nodejs/node_modules/
@@ -38,3 +39,5 @@ pysim/
 *.out
 *DS_Store
 
+# Doxygen Generated files
+html/

src/connector/python/linux/python3/taos/cursor.py

 from .cinterface import CTaosInterface
 from .error import *
 
+# querySeqNum = 0
+
 class TDengineCursor(object):
     """Database cursor which is used to manage the context of a fetch operation.
 
@@ -109,7 +111,14 @@ class TDengineCursor(object):
         if params is not None:
             pass
         
+
+        # global querySeqNum
+        # querySeqNum += 1
+        # localSeqNum = querySeqNum # avoid raice condition
+        # print("   >> Exec Query ({}): {}".format(localSeqNum, str(stmt)))
         res = CTaosInterface.query(self._connection._conn, stmt)
+        # print("   << Query ({}) Exec Done".format(localSeqNum))
+
         if res == 0:
             if CTaosInterface.fieldsCount(self._connection._conn) == 0:
                 self._affected_rows += CTaosInterface.affectedRows(self._connection._conn)

src/tsdb/src/tsdbMeta.c

@@ -154,6 +154,7 @@ STsdbMeta *tsdbInitMeta(char *rootDir, int32_t maxTables) {
   STsdbMeta *pMeta = (STsdbMeta *)malloc(sizeof(STsdbMeta));
   if (pMeta == NULL) return NULL;
 
+  pMeta->maxTables = maxTables;
   pMeta->nTables = 0;
   pMeta->superList = NULL;
   pMeta->tables = (STable **)calloc(maxTables, sizeof(STable *));

tests/pytest/crash_gen.sh

+#!/bin/bash
+
+# This is the script for us to try to cause the TDengine server or client to crash
+#    
+# PREPARATION
+#
+# 1. Build an compile the TDengine source code that comes with this script, in the same directory tree
+# 2. Please follow the direction in our README.md, and build TDengine in the build/ directory
+# 3. Adjust the configuration file if needed under build/test/cfg/taos.cfg
+# 4. Run the TDengine server instance: cd build; ./build/bin/taosd -c test/cfg
+# 5. Make sure you have a working Python3 environment: run /usr/bin/python3 --version, and you should get 3.6 or above
+# 6. Make sure you have the proper Python packages: # sudo apt install python3-setuptools python3-pip python3-distutils
+#
+# RUNNING THIS SCRIPT
+# 
+# This script assumes the source code directory is intact, and that the binaries has been built in the
+# build/ directory, as such, will will load the Python libraries in the directory tree, and also load
+# the TDengine client shared library (so) file, in the build/directory, as evidenced in the env
+# variables below.
+#
+# Running the script is simple, no parameter is needed (for now, but will change in the future).
+#
+# Happy Crashing...
+
+
+# Due to the heavy path name assumptions/usage, let us require that the user be in the current directory
+EXEC_DIR=`dirname "$0"`
+if [[ $EXEC_DIR != "." ]]
+then
+    echo "ERROR: Please execute `basename "$0"` in its own directory (for now anyway, pardon the dust)"
+    exit -1
+fi
+
+# First we need to set up a path for Python to find our own TAOS modules, so that "import" can work.
+export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3
+
+# Then let us set up the library path so that our compiled SO file can be loaded by Python
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/../../build/build/lib
+
+# Now we are all let, and let's see if we can find a crash. Note we pass all params
+./crash_gen.py $@

tests/pytest/crash_gen_0519.sh

+#!/bin/bash
+
+# This is the script for us to try to cause the TDengine server or client to crash
+#    
+# PREPARATION
+#
+# 1. Build an compile the TDengine source code that comes with this script, in the same directory tree
+# 2. Please follow the direction in our README.md, and build TDengine in the build/ directory
+# 3. Adjust the configuration file if needed under build/test/cfg/taos.cfg
+# 4. Run the TDengine server instance: cd build; ./build/bin/taosd -c test/cfg
+# 5. Make sure you have a working Python3 environment: run /usr/bin/python3 --version, and you should get 3.6 or above
+# 6. Make sure you have the proper Python packages: # sudo apt install python3-setuptools python3-pip python3-distutils
+#
+# RUNNING THIS SCRIPT
+# 
+# This script assumes the source code directory is intact, and that the binaries has been built in the
+# build/ directory, as such, will will load the Python libraries in the directory tree, and also load
+# the TDengine client shared library (so) file, in the build/directory, as evidenced in the env
+# variables below.
+#
+# Running the script is simple, no parameter is needed (for now, but will change in the future).
+#
+# Happy Crashing...
+
+
+# Due to the heavy path name assumptions/usage, let us require that the user be in the current directory
+EXEC_DIR=`dirname "$0"`
+if [[ $EXEC_DIR != "." ]]
+then
+    echo "ERROR: Please execute `basename "$0"` in its own directory (for now anyway, pardon the dust)"
+    exit -1
+fi
+
+# First we need to set up a path for Python to find our own TAOS modules, so that "import" can work.
+export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3
+
+# Then let us set up the library path so that our compiled SO file can be loaded by Python
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/../../build/build/lib
+
+# Now we are all let, and let's see if we can find a crash. Note we pass all params
+./crash_gen_0519.py $@