fix: add sample udf cases and compile outside of tdengine

tests/script/sh/bit_and.c

@@ -37,6 +37,10 @@ DLL_EXPORT int32_t bit_and(SUdfDataBlock* block, SUdfColumn *resultCol) {
     resultData->numOfRows = block->numOfRows;
 
     for (int32_t i = 0; i < resultData->numOfRows; ++i) {
+        if (udfColDataIsNull(block->udfCols[0], i)) {
+            udfColDataSetNull(resultCol, i);
+            continue;
+        }
         int32_t result = *(int32_t*)udfColDataGetData(block->udfCols[0], i);
         int j = 1;
         for (; j < block->numOfCols; ++j) {

tests/script/sh/compile_udf.sh

@@ -3,8 +3,8 @@ set +e
 rm -rf /tmp/udf/libbitand.so /tmp/udf/libsqrsum.so
 mkdir -p /tmp/udf
 echo "compile udf bit_and and sqr_sum"
-gcc -fPIC -shared bit_and.c -o /tmp/udf/libbitand.so
-gcc -fPIC -shared sqr_sum.c -o /tmp/udf/libsqrsum.so
+gcc -fPIC -shared sh/bit_and.c -o /tmp/udf/libbitand.so
+gcc -fPIC -shared sh/sqr_sum.c -o /tmp/udf/libsqrsum.so
 echo "debug show /tmp/udf/*.so"
 ls /tmp/udf/*.so
 

tests/script/sh/sqr_sum.c

@@ -67,7 +67,7 @@ DLL_EXPORT int32_t sqr_sum(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInt
   return 0;
 }
 
-DLL_EXPORT int32_t sqr_finish(SUdfInterBuf* buf, SUdfInterBuf *resultData) {
+DLL_EXPORT int32_t sqr_sum_finish(SUdfInterBuf* buf, SUdfInterBuf *resultData) {
   if (buf->numOfResult == 0) {
     resultData->numOfResult = 0;
     return 0;

tests/script/tsim/query/udf.sim

@@ -122,22 +122,25 @@ print $rows , $data00 , $data01
 if $rows != 1 then
   return -1
 endi
-if $data00 != 176.000000000 then
+if $data00 != 1.414213562 then
   return -1
 endi
-if $data01 != 152.420471066 then
+if $data01 != 1.414213562 then
   return -1
 endi
 
-sql select sqr_sum(f2) from udf.t2 group by 1-bit_and(f1);
-print $rows , $data00 , $data10
-if $rows != 2 then
+sql select sqr_sum(f2) from udf.t2 group by 1-bit_and(f1, f2) order by 1-bit_and(f1,f2);
+print $rows , $data00 , $data10 , $data20
+if $rows != 3 then
   return -1
 endi
 if $data00 != 2.000000000 then
   return -1
 endi
-if $data10 != 12.083045974 then
+if $data10 != 9.055385138 then
+  return -1
+endi
+if $data20 != 8.000000000 then
   return -1
 endi