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Fix: There is a shared expression in the virtual generated column, which causes an error

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This commit is contained in:
yaojing624
2023-08-08 10:48:42 +00:00
committed by ob-robot
parent 81e0d5ca13
commit 2e28ad4ffa
4 changed files with 75 additions and 0 deletions
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24
src/sql/resolver/expr/ob_raw_expr_util.cpp
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@ -3440,6 +3440,30 @@ int ObRawExprUtils::extract_col_aggr_exprs(ObRawExpr* expr,
return ret;
}
int ObRawExprUtils::contain_virtual_generated_column(ObRawExpr *&expr, bool &is_contain_vir_gen_column)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is null", K(ret));
} else if (expr->is_column_ref_expr() &&
static_cast<ObColumnRefRawExpr *>(expr)->is_virtual_generated_column() &&
!static_cast<ObColumnRefRawExpr *>(expr)->is_xml_column()) {
is_contain_vir_gen_column = true;
}
for (int64_t j = 0; OB_SUCC(ret) && is_contain_vir_gen_column == false && j < expr->get_param_count(); j++) {
if (OB_ISNULL(expr->get_param_expr(j))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("param_expr is NULL", K(j), K(ret));
} else if (OB_FAIL(SMART_CALL(contain_virtual_generated_column(expr->get_param_expr(j), is_contain_vir_gen_column)))) {
LOG_WARN("fail to contain virtual gen column", K(j), K(ret));
} else {
LOG_TRACE("conclude virtual generated column", K(is_contain_vir_gen_column));
}
}
return ret;
}
int ObRawExprUtils::extract_column_exprs(const ObIArray<ObRawExpr*> &exprs,
ObIArray<ObRawExpr*> &column_exprs,
bool need_pseudo_column)