patch 4.0
This commit is contained in:
@ -10,7 +10,6 @@
|
||||
* See the Mulan PubL v2 for more details.
|
||||
*/
|
||||
|
||||
// This file is for implementation of func json_array_append
|
||||
#define USING_LOG_PREFIX SQL_ENG
|
||||
#include "ob_expr_json_array_append.h"
|
||||
#include "sql/engine/expr/ob_expr_json_func_helper.h"
|
||||
@ -43,7 +42,7 @@ int ObExprJsonArrayAppend::calc_result_typeN(ObExprResType& type,
|
||||
UNUSED(type_ctx);
|
||||
INIT_SUCC(ret);
|
||||
|
||||
// param_num is odd, JSON_ARRAY_APPEND(json_doc, path, val[, path, val] ...)
|
||||
// param_num is odd,JSON_ARRAY_APPEND(json_doc, path, val[, path, val] ...)
|
||||
if (OB_UNLIKELY(param_num <= 1 || (param_num & 1 ) == 0)) {
|
||||
ret = OB_ERR_PARAM_SIZE;
|
||||
const ObString name(N_JSON_ARRAY_APPEND);
|
||||
@ -79,107 +78,11 @@ int ObExprJsonArrayAppend::calc_result_typeN(ObExprResType& type,
|
||||
}
|
||||
|
||||
|
||||
int ObExprJsonArrayAppend::calc_resultN(ObObj &result, const ObObj *objs,
|
||||
int64_t param_num, ObExprCtx &expr_ctx) const
|
||||
{
|
||||
INIT_SUCC(ret);
|
||||
ObIAllocator *allocator = expr_ctx.calc_buf_;
|
||||
ObIJsonBase *j_base = NULL;
|
||||
bool is_null = false;
|
||||
ObJsonBaseVector hit;
|
||||
|
||||
if (result_type_.get_collation_type() != CS_TYPE_UTF8MB4_BIN) {
|
||||
ret = OB_ERR_INVALID_JSON_CHARSET;
|
||||
LOG_WARN("invalid out put charset", K(ret), K(result_type_));
|
||||
} else if (OB_ISNULL(objs)) {
|
||||
ret = OB_INVALID_ARGUMENT;
|
||||
LOG_WARN("invalid arguments", K(ret), K(objs), K(param_num));
|
||||
} else if (OB_ISNULL(allocator)) { // check allocator
|
||||
ret = OB_NOT_INIT;
|
||||
LOG_WARN("varchar buffer not init", K(ret));
|
||||
} else if (OB_FAIL(ObJsonExprHelper::get_json_doc(objs, allocator, 0, j_base, is_null))) {
|
||||
LOG_WARN("get_json_doc failed", K(ret));
|
||||
}
|
||||
|
||||
for (int32 i = 1; OB_SUCC(ret) && i < param_num && !is_null; i += 2) {
|
||||
hit.reset();
|
||||
ObString j_path_text = objs[i].get_string();
|
||||
ObJsonPath j_path(j_path_text, allocator);
|
||||
if (objs[i].get_type() == ObNullType || objs[i].is_null()) {
|
||||
is_null = true;
|
||||
} else if (OB_FAIL(j_path.parse_path())) {
|
||||
ret = OB_ERR_INVALID_JSON_PATH;
|
||||
LOG_USER_ERROR(OB_ERR_INVALID_JSON_PATH);
|
||||
} else if (j_path.can_match_many()) {
|
||||
ret = OB_ERR_INVALID_JSON_PATH_WILDCARD;
|
||||
LOG_USER_ERROR(OB_ERR_INVALID_JSON_PATH_WILDCARD);
|
||||
} else if (OB_FAIL(j_base->seek(j_path, j_path.path_node_cnt(), true, true, hit))) {
|
||||
LOG_WARN("failed: json seek.", K(j_path_text), K(ret));
|
||||
} else if (hit.size() == 0) {
|
||||
// do nothing
|
||||
} else {
|
||||
bool is_bool = false;
|
||||
ObIJsonBase *j_val;
|
||||
if (OB_FAIL(get_param_is_boolean(expr_ctx, objs[i+1], is_bool))) {
|
||||
LOG_WARN("failed: get_param_is_boolean", K(ret));
|
||||
} else if (OB_FAIL(ObJsonExprHelper::get_json_val(objs[i+1], expr_ctx, is_bool, allocator, j_val))) {
|
||||
ret = OB_ERR_INVALID_JSON_TEXT_IN_PARAM;
|
||||
LOG_WARN("failed: get_json_val", K(ret));
|
||||
} else {
|
||||
ObIJsonBase *jb_pos_node = hit[0];
|
||||
ObJsonNode *j_pos_node = static_cast<ObJsonNode *>(jb_pos_node);
|
||||
if (j_pos_node->json_type() == ObJsonNodeType::J_ARRAY) {
|
||||
// set new node parent
|
||||
if (OB_FAIL(j_pos_node->array_append(j_val))) {
|
||||
LOG_WARN("failed: append array value", K(ret), K(*j_val));
|
||||
}
|
||||
} else {
|
||||
// if added position's father is not array(is scaler or object), need pack into array
|
||||
// 1. create a new array.
|
||||
void *buf = NULL;
|
||||
if (OB_ISNULL(buf = allocator->alloc(sizeof(ObJsonArray)))) {
|
||||
ret = OB_ALLOCATE_MEMORY_FAILED;
|
||||
LOG_WARN("fail to alloc a new json array", K(ret));
|
||||
} else {
|
||||
ObJsonArray *j_new_arr = new (buf) ObJsonArray(allocator);
|
||||
ObIJsonBase *jb_new_arr = j_new_arr;
|
||||
// 2. append old node and new node to new array.
|
||||
ObJsonNode *j_parent = j_pos_node->get_parent();
|
||||
ObIJsonBase *jb_parent = j_parent;
|
||||
if (OB_FAIL(jb_new_arr->array_append(jb_pos_node))) {
|
||||
LOG_WARN("fail to append pos node to new array", K(ret), K(*jb_pos_node));
|
||||
} else if (OB_FAIL(jb_new_arr->array_append(j_val))) {
|
||||
LOG_WARN("fail to append new node to new array", K(ret), K(*j_val));
|
||||
} else if (OB_ISNULL(jb_parent)) { // 3.1 root
|
||||
j_base = jb_new_arr;
|
||||
} else if (OB_FAIL(jb_parent->replace(jb_pos_node, jb_new_arr))){ // 3.2 not root, replace pos node with new array
|
||||
LOG_WARN("fail to replace pos node with new array", K(ret), K(*jb_new_arr));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (OB_SUCC(ret)) {
|
||||
ObString raw_bin;
|
||||
if (is_null) {
|
||||
result.set_null();
|
||||
} else if (OB_FAIL(j_base->get_raw_binary(raw_bin, allocator))) {
|
||||
LOG_WARN("fail to get json raw binary", K(ret));
|
||||
} else {
|
||||
result.set_collation_type(CS_TYPE_UTF8MB4_BIN);
|
||||
result.set_string(ObJsonType, raw_bin.ptr(), raw_bin.length());
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprJsonArrayAppend::eval_json_array_append(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
|
||||
{
|
||||
INIT_SUCC(ret);
|
||||
common::ObArenaAllocator &temp_allocator = ctx.get_reset_tmp_alloc();
|
||||
ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
|
||||
common::ObArenaAllocator &temp_allocator = tmp_alloc_g.get_allocator();
|
||||
ObIJsonBase *j_base = NULL;
|
||||
bool is_null = false;
|
||||
ObJsonBaseVector hit;
|
||||
|
||||
Reference in New Issue
Block a user