168 lines
6.9 KiB
C++
168 lines
6.9 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 eval_st_intersects.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "lib/geo/ob_geo_func_register.h"
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#include "lib/geo/ob_geo_ibin.h"
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#include "sql/engine/ob_exec_context.h"
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#include "observer/omt/ob_tenant_srs.h"
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#include "ob_expr_st_intersects.h"
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#include "lib/geo/ob_geo_cache.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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ObExprSTIntersects::ObExprSTIntersects(ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_ST_INTERSECTS, N_ST_INTERSECTS, 2, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
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{
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}
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ObExprSTIntersects::~ObExprSTIntersects()
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{
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}
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int ObExprSTIntersects::calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const
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{
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UNUSED(type_ctx);
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INIT_SUCC(ret);
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if (type1.get_type() == ObNullType) {
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} else if (!ob_is_geometry(type1.get_type()) && !ob_is_string_type(type1.get_type())) {
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type1.set_calc_type(ObVarcharType);
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type1.set_calc_collation_type(CS_TYPE_BINARY);
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}
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if (type2.get_type() == ObNullType) {
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} else if (!ob_is_geometry(type2.get_type()) && !ob_is_string_type(type2.get_type())) {
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type2.set_calc_type(ObVarcharType);
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type2.set_calc_collation_type(CS_TYPE_BINARY);
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}
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type.set_int32();
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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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return ret;
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}
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int ObExprSTIntersects::eval_st_intersects(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
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{
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int ret = OB_SUCCESS;
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//int64_t start_time = common::ObTimeUtility::current_time();
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ObDatum *gis_datum1 = NULL;
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ObDatum *gis_datum2 = NULL;
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ObExpr *gis_arg1 = expr.args_[0];
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ObExpr *gis_arg2 = expr.args_[1];
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int num_args = expr.arg_cnt_;
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ObObjType input_type1 = gis_arg1->datum_meta_.type_;
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ObObjType input_type2 = gis_arg2->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 inter_result = false;
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if (OB_FAIL(gis_arg1->eval(ctx, gis_datum1)) || OB_FAIL(gis_arg2->eval(ctx, gis_datum2))) {
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LOG_WARN("eval geo args failed", K(ret));
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} else if (gis_datum1->is_null() || gis_datum2->is_null()) {
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res.set_null();
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} else {
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ObGeoConstParamCache* const_param_cache = ObGeoExprUtils::get_geo_constParam_cache(expr.expr_ctx_id_, &ctx.exec_ctx_);
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bool is_geo1_empty = false;
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bool is_geo2_empty = false;
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ObGeometry *geo1 = NULL;
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ObGeometry *geo2 = NULL;
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ObGeoType type1;
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ObGeoType type2;
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uint32_t srid1;
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uint32_t srid2;
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ObString wkb1 = gis_datum1->get_string();
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ObString wkb2 = gis_datum2->get_string();
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omt::ObSrsCacheGuard srs_guard;
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const ObSrsItem *srs = NULL;
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bool is_geo1_cached = false;
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bool is_geo2_cached = false;
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ObSQLSessionInfo *session = ctx.exec_ctx_.get_my_session();
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bool box_intersects = true;
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if (gis_arg1->is_static_const_) {
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ObGeoExprUtils::expr_get_const_param_cache(const_param_cache, geo1, srid1, is_geo1_cached, 0);
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}
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if (gis_arg2->is_static_const_) {
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ObGeoExprUtils::expr_get_const_param_cache(const_param_cache, geo2, srid2, is_geo2_cached, 1);
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}
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if (!is_geo1_cached && OB_FAIL(ObGeoExprUtils::expr_prepare_build_geometry(temp_allocator, *gis_datum1, *gis_arg1, wkb1, type1, srid1))) {
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if (ret == OB_ERR_GIS_INVALID_DATA) {
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LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_ST_INTERSECTS);
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}
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} else if (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::expr_prepare_build_geometry(temp_allocator, *gis_datum2, *gis_arg2, wkb2, type2, srid2))) {
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if (ret == OB_ERR_GIS_INVALID_DATA) {
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LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_ST_INTERSECTS);
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}
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} else if (srid1 != srid2) {
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LOG_WARN("srid not the same", K(srid1), K(srid2));
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ret = OB_ERR_GIS_DIFFERENT_SRIDS;
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} else if (OB_ISNULL(session)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("failed to get session", K(ret));
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} else if (!is_geo1_cached && !is_geo2_cached && OB_FAIL(ObGeoExprUtils::get_srs_item(session->get_effective_tenant_id(), srs_guard, srid1, srs))) {
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LOG_WARN("fail to get srs item", K(ret), K(srid1));
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} else if (!is_geo1_cached && OB_FAIL(ObGeoExprUtils::build_geometry(temp_allocator, wkb1, geo1, nullptr, N_ST_INTERSECTS, ObGeoBuildFlag::GEO_ALLOW_3D_CARTESIAN))) {
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LOG_WARN("get first geo by wkb failed", K(ret));
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} else if (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::build_geometry(temp_allocator, wkb2, geo2, nullptr, N_ST_INTERSECTS, ObGeoBuildFlag::GEO_ALLOW_3D_CARTESIAN))) {
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LOG_WARN("get second geo by wkb failed", K(ret));
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} else if ((!is_geo1_cached && OB_FAIL(ObGeoExprUtils::check_empty(geo1, is_geo1_empty)))
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|| (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::check_empty(geo2, is_geo2_empty)))) {
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LOG_WARN("check geo empty failed", K(ret));
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} else if (is_geo1_empty || is_geo2_empty) {
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res.set_null();
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} else if (OB_FAIL(ObGeoExprUtils::zoom_in_geos_for_relation(*geo1, *geo2, is_geo1_cached, is_geo2_cached))) {
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LOG_WARN("zoom in geos failed", K(ret));
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} else {
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if (OB_NOT_NULL(const_param_cache)) {
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if (gis_arg1->is_static_const_ && !is_geo1_cached &&
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OB_FAIL(const_param_cache->add_const_param_cache(0, *geo1))) {
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LOG_WARN("add geo1 to const cache failed", K(ret));
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} else if (gis_arg2->is_static_const_ && !is_geo2_cached &&
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OB_FAIL(const_param_cache->add_const_param_cache(1, *geo2))) {
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LOG_WARN("add geo2 to const cache failed", K(ret));
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}
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}
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if (OB_FAIL(ret)) {
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} else if (OB_FAIL(ObGeoExprUtils::get_intersects_res(*geo1, *geo2, gis_arg1, gis_arg2,
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const_param_cache, srs,
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temp_allocator, inter_result))) {
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LOG_WARN("fail to get intersects res", K(ret));
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} else {
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res.set_bool(inter_result);
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}
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}
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}
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return ret;
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}
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int ObExprSTIntersects::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
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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_st_intersects;
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return OB_SUCCESS;
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}
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}
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}
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