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[CP] [CP] [中信证券]support listagg aggr use group by column as separator

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This commit is contained in:
wangt1xiuyi
2023-12-20 08:43:14 +00:00
committed by ob-robot
parent 6b2402b411
commit 4f4b07a001
11 changed files with 311 additions and 44 deletions
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16
src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
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@ -3041,22 +3041,6 @@ int ObRawExprDeduceType::set_agg_group_concat_result_type(ObAggFunRawExpr &expr,
ObArray<ObExprResType> types;
expr.set_data_type(ObVarcharType);
const ObIArray<ObRawExpr*> &real_parm_exprs = expr.get_real_param_exprs();
//listagg有效性检测
if (lib::is_oracle_mode()) {
if (expr.get_real_param_count() > 2) {
ret = OB_ERR_PARAM_SIZE;
LOG_WARN("listagg has 2 params at most", K(ret), K(expr.get_real_param_count()));
} else if (expr.get_real_param_count() == 2) {
ObRawExpr *param_expr = NULL;
if (OB_ISNULL(param_expr = expr.get_real_param_exprs().at(1))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret), K(param_expr));
} else if (OB_UNLIKELY(!param_expr->is_const_expr())) {
ret = OB_ERR_ARGUMENT_SHOULD_CONSTANT;
LOG_WARN("separator expr should be const expr", K(ret), K(*param_expr));
} else {/*do nothing */}
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < real_parm_exprs.count(); ++i) {
ObRawExpr *real_param_expr = real_parm_exprs.at(i);
if (OB_ISNULL(real_param_expr)) {