121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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* This file contains implementation for _st_iscollection.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "sql/engine/expr/ob_expr_priv_st_iscollection.h"
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#include "sql/engine/expr/ob_expr_lob_utils.h"
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#include "sql/engine/expr/ob_geo_expr_utils.h"
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#include "share/object/ob_obj_cast_util.h"
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#include "lib/geo/ob_geo_utils.h"
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#include "observer/omt/ob_tenant_srs.h"
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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namespace oceanbase
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{
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namespace sql
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{
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ObExprPrivSTIsCollection::ObExprPrivSTIsCollection(common::ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_PRIV_ST_ISCOLLECTION, N_PRIV_ST_ISCOLLECTION, 1,
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NOT_VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
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{}
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ObExprPrivSTIsCollection::~ObExprPrivSTIsCollection()
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{}
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int ObExprPrivSTIsCollection::calc_result_type1(
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ObExprResType &type, ObExprResType &type1, common::ObExprTypeCtx &type_ctx) const
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{
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int ret = OB_SUCCESS;
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ObObjType obj_type1 = type1.get_type();
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if (!ob_is_string_type(obj_type1) && !ob_is_geometry(obj_type1) && !ob_is_null(obj_type1)) {
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ret = OB_ERR_GIS_INVALID_DATA;
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LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_PRIV_ST_ISCOLLECTION);
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LOG_WARN("invalid type", K(ret), K(obj_type1));
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} else {
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ObCastMode cast_mode = type_ctx.get_cast_mode();
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cast_mode &= ~CM_WARN_ON_FAIL; // make cast return error when fail
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type_ctx.set_cast_mode(cast_mode); // cast mode only do work in new sql engine cast frame.
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type.set_int();
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type.set_scale(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].scale_);
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type.set_precision(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
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}
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return ret;
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}
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int ObExprPrivSTIsCollection::eval_priv_st_iscollection(
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const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
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{
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int ret = OB_SUCCESS;
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bool is_null_res = false;
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ObDatum *datum1 = nullptr;
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ObExpr *arg1 = expr.args_[0];
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ObObjType type1 = arg1->datum_meta_.type_;
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ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
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common::ObArenaAllocator &temp_allocator = tmp_alloc_g.get_allocator();
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bool bres = true;
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if (ob_is_null(type1)) {
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is_null_res = true;
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} else if (OB_FAIL(arg1->eval(ctx, datum1))) {
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LOG_WARN("fail to eval args", K(ret));
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} else if (datum1->is_null()) {
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is_null_res = true;
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} else {
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ObString wkb = datum1->get_string();
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ObGeoType gtype = ObGeoType::GEOTYPEMAX;
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ObGeometry *geo = nullptr;
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if (OB_FAIL(ObTextStringHelper::read_real_string_data(
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temp_allocator, *datum1, arg1->datum_meta_, arg1->obj_meta_.has_lob_header(), wkb))) {
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LOG_WARN("fail to read real string data", K(ret), K(arg1->obj_meta_.has_lob_header()));
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} else if (OB_FAIL(ObGeoExprUtils::build_geometry(temp_allocator,
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wkb,
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geo,
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nullptr,
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N_PRIV_ST_ISCOLLECTION,
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ObGeoBuildFlag::GEO_ALLOW_3D_DEFAULT))) { // ObIWkbGeom
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LOG_WARN("fail to build geometry from wkb", K(ret), K(wkb));
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} else if ((geo->type() <= ObGeoType::GEOMETRY) || (geo->type() >= ObGeoType::GEOTYPEMAX)) {
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ret = OB_ERR_INVALID_GEOMETRY_TYPE;
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LOG_WARN("unknown geometry type", K(ret), K(geo->type()));
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} else if (geo->type() <= ObGeoType::POLYGON) {
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bres = false;
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}
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}
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if (OB_SUCC(ret)) {
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if (is_null_res) {
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res.set_null();
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} else {
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res.set_bool(bres);
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}
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}
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return ret;
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}
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int ObExprPrivSTIsCollection::cg_expr(
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ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
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{
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UNUSED(expr_cg_ctx);
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UNUSED(raw_expr);
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rt_expr.eval_func_ = eval_priv_st_iscollection;
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return OB_SUCCESS;
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}
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} // namespace sql
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} // namespace oceanbase
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