未验证 提交 25e7ff1e 编写于 作者: H haojun Liao 提交者: GitHub

Merge pull request #5409 from taosdata/hotfix/TD-3231

[TD-3231]last_row should not work with group by column
......@@ -1540,7 +1540,7 @@ bool isValidDistinctSql(SQueryInfo* pQueryInfo) {
int32_t parseSelectClause(SSqlCmd* pCmd, int32_t clauseIndex, tSQLExprList* pSelection, bool isSTable, bool joinQuery, bool intervalQuery) {
assert(pSelection != NULL && pCmd != NULL);
const char* msg2 = "functions can not be mixed up";
const char* msg2 = "functions or others can not be mixed up";
const char* msg3 = "not support query expression";
const char* msg5 = "invalid function name";
const char* msg6 = "only support distinct one tag";
......@@ -2828,6 +2828,23 @@ bool hasUnsupportFunctionsForSTableQuery(SSqlCmd* pCmd, SQueryInfo* pQueryInfo)
return false;
}
static bool groupbyTagsOrNull(SQueryInfo* pQueryInfo) {
if (pQueryInfo->groupbyExpr.columnInfo == NULL ||
taosArrayGetSize(pQueryInfo->groupbyExpr.columnInfo) == 0) {
return true;
}
size_t s = taosArrayGetSize(pQueryInfo->groupbyExpr.columnInfo);
for (int32_t i = 0; i < s; i++) {
SColIndex* colIndex = taosArrayGet(pQueryInfo->groupbyExpr.columnInfo, i);
if (colIndex->flag != TSDB_COL_TAG) {
return false;
}
}
return true;
}
static bool functionCompatibleCheck(SQueryInfo* pQueryInfo, bool joinQuery, bool intervalQuery) {
int32_t startIdx = 0;
......@@ -2844,7 +2861,7 @@ static bool functionCompatibleCheck(SQueryInfo* pQueryInfo, bool joinQuery, bool
int32_t factor = functionCompatList[tscSqlExprGet(pQueryInfo, startIdx)->functionId];
if (tscSqlExprGet(pQueryInfo, 0)->functionId == TSDB_FUNC_LAST_ROW && (joinQuery || intervalQuery)) {
if (tscSqlExprGet(pQueryInfo, 0)->functionId == TSDB_FUNC_LAST_ROW && (joinQuery || intervalQuery || !groupbyTagsOrNull(pQueryInfo))) {
return false;
}
......@@ -2872,7 +2889,7 @@ static bool functionCompatibleCheck(SQueryInfo* pQueryInfo, bool joinQuery, bool
}
}
if (functionId == TSDB_FUNC_LAST_ROW && (joinQuery || intervalQuery)) {
if (functionId == TSDB_FUNC_LAST_ROW && (joinQuery || intervalQuery || !groupbyTagsOrNull(pQueryInfo))) {
return false;
}
}
......
......@@ -1785,7 +1785,7 @@ class TdSuperTable:
'top(speed, 50)', # TODO: not supported?
'bottom(speed, 50)', # TODO: not supported?
'apercentile(speed, 10)', # TODO: TD-1316
'last_row(speed)',
# 'last_row(speed)', # TODO: commented out per TD-3231, we should re-create
# Transformation Functions
# 'diff(speed)', # TODO: no supported?!
'spread(speed)'
......
......@@ -16,6 +16,9 @@ $stb = $stbPrefix . $i
sql use $db
print ========>TD-3231 last_row with group by column error
sql_error select last_row(c1) from $stb group by c1;
##### select lastrow from STable with two vnodes, timestamp decreases from tables in vnode0 to tables in vnode1
sql select last_row(*) from $stb
if $rows != 1 then
......@@ -224,4 +227,4 @@ sql create table tu(ts timestamp, k int)
sql select last_row(*) from tu
if $row != 0 then
return -1
endi
\ No newline at end of file
endi
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册