Merge pull request #18093 from taosdata/fix/TD-20299-D

fix(query): min/max query of float type from block sma

Merge pull request #18093 from taosdata/fix/TD-20299-D
fix(query): min/max query of float type from block sma
d7c0c054 · dapan1121 · GitHub · 12c035f4 · 622c31f1 · d7c0c054
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source/libs/function/src/builtinsimpl.c source/libs/function/src/builtinsimpl.c +5 -1

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--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -1187,7 +1187,11 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
    }

    if (!pBuf->assign) {
+      if (type == TSDB_DATA_TYPE_FLOAT) {
+        *(float*)&pBuf->v = GET_DOUBLE_VAL(tval);
+      } else {
        pBuf->v = *(int64_t*)tval;
+      }
      if (pCtx->subsidiaries.num > 0) {
        index = findRowIndex(pInput->startRowIndex, pInput->numOfRows, pCol, tval);
        if (index >= 0) {