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Add long text type STRING, with a maximum length of 2GB. Usage is similar to varchar, and there is no guarantee for the performance of storing extremely long data (#6391)

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This commit is contained in:
Zhengguo Yang
2021-08-18 09:05:40 +08:00
committed by GitHub
parent 2f90aaab8e
commit 8738ce380b
106 changed files with 1353 additions and 433 deletions
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8
be/src/exprs/expr.cpp
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@ -140,6 +140,7 @@ Expr::Expr(const TypeDescriptor& type)
case TYPE_VARCHAR:
case TYPE_HLL:
case TYPE_OBJECT:
case TYPE_STRING:
_node_type = (TExprNodeType::STRING_LITERAL);
break;
@ -197,6 +198,7 @@ Expr::Expr(const TypeDescriptor& type, bool is_slotref)
case TYPE_VARCHAR:
case TYPE_HLL:
case TYPE_OBJECT:
case TYPE_STRING:
_node_type = (TExprNodeType::STRING_LITERAL);
break;
@ -457,7 +459,8 @@ int Expr::compute_results_layout(const std::vector<Expr*>& exprs, std::vector<in
for (int i = 0; i < exprs.size(); ++i) {
data[i].expr_idx = i;
if (exprs[i]->type().type == TYPE_CHAR || exprs[i]->type().type == TYPE_VARCHAR) {
if (exprs[i]->type().type == TYPE_CHAR || exprs[i]->type().type == TYPE_VARCHAR
|| exprs[i]->type().type == TYPE_STRING) {
data[i].byte_size = 16;
data[i].variable_length = true;
} else {
@ -704,7 +707,8 @@ doris_udf::AnyVal* Expr::get_const_val(ExprContext* context) {
case TYPE_CHAR:
case TYPE_VARCHAR:
case TYPE_HLL:
case TYPE_OBJECT: {
case TYPE_OBJECT:
case TYPE_STRING: {
_constant_val.reset(new StringVal(get_string_val(context, NULL)));
break;
}