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oracle json construct function refaction && oracle json expr option clause syntax support

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This commit is contained in:
obdev
2023-08-02 06:54:16 +00:00
committed by ob-robot
parent 755b53ef5e
commit 90def6ad4a
16 changed files with 478 additions and 367 deletions
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25
src/sql/engine/basic/ob_json_table_op.cpp
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@ -886,9 +886,9 @@ int JtFuncHelpler::cast_to_res(JtScanCtx* ctx, ObIJsonBase* js_val, JtColNode& c
case ObHexStringType:
case ObLongTextType: {
ObString val;
bool is_quote = (col_info.col_type_ == COL_TYPE_QUERY && js_val->json_type() == ObJsonNodeType::J_STRING);
bool is_quote = (col_info.col_type_ == COL_TYPE_QUERY && OB_NOT_NULL(js_val) && js_val->json_type() == ObJsonNodeType::J_STRING);
ret = cast_to_string(&col_node, &ctx->row_alloc_, js_val, in_coll_type, dst_coll_type,
accuracy, dst_type, val, is_truncate, is_quote, ctx->is_const_input_);
accuracy, dst_type, val, is_truncate, is_quote, ctx->is_const_input_);
if (OB_FAIL(ret) && enable_error) {
int tmp_ret = set_error_val(ctx, col_node, ret);
if (tmp_ret != OB_SUCCESS) {
@ -1673,6 +1673,9 @@ int JtColNode::get_next_row(ObIJsonBase* in, JtScanCtx* ctx, bool& is_null_value
if (hit.size() > 1) {
ret = OB_ERR_JSON_VALUE_NO_SCALAR;
SET_COVER_ERROR(ctx, ret);
} else if (hit[0]->json_type() == ObJsonNodeType::J_NULL) {
need_cast_res = false;
col_expr->locate_datum_for_write(*ctx->eval_ctx_).set_null();
} else if (!ob_is_json(col_expr->datum_meta_.type_)
&& (hit[0]->json_type() == ObJsonNodeType::J_ARRAY || hit[0]->json_type() == ObJsonNodeType::J_OBJECT)) {
ret = OB_ERR_JSON_VALUE_NO_SCALAR;
@ -1741,7 +1744,8 @@ int JtColNode::get_next_row(ObIJsonBase* in, JtScanCtx* ctx, bool& is_null_value
}
}
} else if (col_type == COL_TYPE_EXISTS || col_type == COL_TYPE_QUERY || col_type == COL_TYPE_VALUE) {
if (is_null_result_ || (curr_ && curr_->json_type() == ObJsonNodeType::J_NULL && !curr_->is_real_json_null(curr_))) {
if (!need_cast_res) {
} else if (is_null_result_ || (curr_ && curr_->json_type() == ObJsonNodeType::J_NULL && !curr_->is_real_json_null(curr_))) {
if (!need_pro_emtpy) {
col_expr->locate_datum_for_write(*ctx->eval_ctx_).set_null();
} else if (OB_FAIL(set_val_on_empty(ctx, need_cast_res))) {
@ -1751,8 +1755,7 @@ int JtColNode::get_next_row(ObIJsonBase* in, JtScanCtx* ctx, bool& is_null_value
} else if (OB_FAIL(JtFuncHelpler::cast_to_res(ctx, iter_, *this, false))) {
LOG_WARN("failed set to res type", K(ret));
}
} else if (need_cast_res
&& OB_FAIL(JtFuncHelpler::cast_to_res(ctx, curr_, *this))) {
} else if (OB_FAIL(JtFuncHelpler::cast_to_res(ctx, curr_, *this))) {
LOG_WARN("failed to do cast to res type", K(ret));
}
@ -1828,8 +1831,14 @@ int JtScanNode::get_next_row(ObIJsonBase* in, JtScanCtx* ctx, bool& is_null_valu
is_sub_evaled_ = false;
is_nested_evaled_ = false;
in_ = in;
if (!OB_ISNULL(in_) && OB_ISNULL(in_->get_allocator())) {
in_->set_allocator(&ctx->row_alloc_);
if (OB_NOT_NULL(in_)) {
if (OB_ISNULL(in_->get_allocator())) {
in_->set_allocator(&ctx->row_alloc_);
}
if (in->json_type() == ObJsonNodeType::J_NULL) {
in = in_ = nullptr;
}
}
if (OB_ISNULL(in)) {
total_ = 1;
@ -2644,6 +2653,8 @@ int ObJsonTableOp::inner_close()
if (OB_NOT_NULL(def_root_)) {
def_root_->destroy();
}
jt_ctx_.row_alloc_.clear();
return ret;
}