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fix: group_concat type error #34443

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Merged
guanshengliang merged 1 commit into from
Jan 29, 2026
+5 −1
Merged

fix: group_concat type error #34443

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2 changes: 1 addition & 1 deletion source/libs/function/src/builtinsimpl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1557,7 +1557,7 @@ int32_t gconcatFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResultI
}

SGconcatRes* pRes = GET_ROWCELL_INTERBUF(pResultInfo);
(void)memset(pRes, 0, sizeof(SStdRes));
(void)memset(pRes, 0, sizeof(SGconcatRes));

// pRes->separator = varDataVal(pCtx->param[0].param.pz);

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4 changes: 4 additions & 0 deletions test/cases/11-Functions/02-Aggregate/test_agg_gconcat.py
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Expand Up @@ -36,6 +36,7 @@ def smoking(self):
tdSql.prepare(db, drop=True)
tdSql.execute(f"use {db}")
tdSql.execute(f"create table {tb} (ts timestamp, tbcol varchar(10))")
tdSql.execute(f"CREATE STABLE s_ptr_data (ts TIMESTAMP, test_value DOUBLE, test_flag INT, hi_limit DOUBLE, lo_limit DOUBLE) TAGS (factory VARCHAR(32), fileid VARCHAR(64), testnum INT, testtxt VARCHAR(256), headnum INT, sitenum INT, productid VARCHAR(64), lotid VARCHAR(64), sublotid VARCHAR(64), jobname VARCHAR(128), flowid VARCHAR(32), datatype VARCHAR(10), nodename VARCHAR(32))")

x = 0
while x < rowNum:
Expand All @@ -49,3 +50,6 @@ def smoking(self):
tdLog.info(f"===> {tdSql.getData(0,0)}")
tdSql.checkRows(1)
tdSql.checkData(0, 0, '0?1?2?3?4?5?6?7?8?9')

tdSql.query(f"SELECT _wstart as ws, AVG(test_value) as avg_test_value, GROUP_CONCAT(CAST(test_value AS VARCHAR) , ',') FROM s_ptr_data PARTITION BY lotId, subLotId, headNum, siteNum, jobName, testTxt, testNum count_window(100) ;")
tdSql.checkRows(0)
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