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Fix default function bug

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This commit is contained in:
2149
2023-06-07 02:18:28 +00:00
committed by ob-robot
parent 70904af004
commit 0ba66695a5
3 changed files with 28 additions and 5 deletions
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11
src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
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@ -2176,6 +2176,15 @@ int ObRawExprDeduceType::visit(ObSysFunRawExpr &expr)
} else {
ObExprResTypes types;
ObCastMode expr_cast_mode = CM_NONE;
bool is_default_col = false;
if (T_FUN_SYS_DEFAULT == expr.get_expr_type()) {
if (OB_ISNULL(expr.get_param_expr(0))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret), K(expr));
} else {
is_default_col = expr.get_param_expr(0)->is_column_ref_expr();
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < expr.get_param_count(); i++) {
ObRawExpr *param_expr = expr.get_param_expr(i);
if (OB_ISNULL(param_expr)) {
@ -2188,7 +2197,7 @@ int ObRawExprDeduceType::visit(ObSysFunRawExpr &expr)
ret = OB_ERR_INVALID_COLUMN_NUM;
LOG_USER_ERROR(OB_ERR_INVALID_COLUMN_NUM, (int64_t)1);
} else if (T_FUN_COLUMN_CONV == expr.get_expr_type()
|| T_FUN_SYS_DEFAULT == expr.get_expr_type()) {
|| (T_FUN_SYS_DEFAULT == expr.get_expr_type() && !is_default_col)) {
//column_conv(type, collation_type, accuracy_expr, nullable, value)
//前面四个参数都要特殊处理
if (OB_FAIL(deduce_type_visit_for_special_func(i, *param_expr, types))) {