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[FEAT MERGE] GIS

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obdev
2022-12-23 12:08:27 +00:00
committed by ob-robot
parent 38846e73d6
commit 40d215fc5a
519 changed files with 158600 additions and 8396 deletions
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161
src/sql/engine/expr/ob_expr_st_bestsrid.cpp Normal file
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
* This file contains implementation for eval_st_bestsrid.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "lib/geo/ob_geo_func_register.h"
#include "lib/geo/ob_geo_ibin.h"
#include "sql/session/ob_sql_session_info.h"
#include "sql/engine/ob_exec_context.h"
#include "observer/omt/ob_tenant_srs_mgr.h"
#include "ob_expr_st_bestsrid.h"
#include "lib/geo/ob_geo_utils.h"
#include "sql/engine/expr/ob_geo_expr_utils.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
namespace oceanbase
{
namespace sql
{
ObExprPrivSTBestsrid::ObExprPrivSTBestsrid(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_PRIV_ST_BESTSRID, N_PRIV_ST_BESTSRID, ONE_OR_TWO, NOT_ROW_DIMENSION)
{
}
ObExprPrivSTBestsrid::~ObExprPrivSTBestsrid()
{
}
int ObExprPrivSTBestsrid::calc_result_typeN(ObExprResType& type,
ObExprResType* types_stack,
int64_t param_num,
ObExprTypeCtx& type_ctx) const
{
UNUSED(type_ctx);
INIT_SUCC(ret);
if (OB_UNLIKELY(param_num != 2 && param_num != 1)) {
ret = OB_ERR_PARAM_SIZE;
LOG_WARN("invalid argument number", K(ret), K(param_num));
} else {
for (int64_t i = 0; i < param_num && OB_SUCC(ret); i++) {
if (types_stack[i].get_type() != ObGeometryType
&& !ob_is_string_type(types_stack[i].get_type())
&& types_stack[i].get_type() != ObNullType) {
ret = OB_ERR_INVALID_TYPE_FOR_ARGUMENT;
LOG_WARN("invalid type", K(ret), K(types_stack[i].get_type()));
}
}
if (OB_SUCC(ret)) {
type.set_int32();
type.set_scale(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].scale_);
type.set_precision(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
}
}
return ret;
}
int ObExprPrivSTBestsrid::get_geog_box(ObEvalCtx &ctx, ObArenaAllocator &temp_allocator, ObString wkb,
ObObjType input_type, bool &is_geo_empty, ObGeogBox *&geo_box)
{
int ret = OB_SUCCESS;
ObGeometry *geo = NULL;
omt::ObSrsCacheGuard srs_guard;
const ObSrsItem *srs = NULL;
if (OB_FAIL(ObGeoExprUtils::get_srs_item(ctx, srs_guard, wkb, srs))) {
LOG_WARN("get srs failed", K(ret), K(wkb));
} else if (OB_FAIL(ObGeoTypeUtil::create_geo_by_wkb(temp_allocator, wkb, srs, geo))) {
LOG_WARN("get geo by wkb failed", K(ret));
if (ret != OB_ERR_SRS_NOT_FOUND && ret != OB_ERR_INVALID_GEOMETRY_TYPE) {
ret = OB_ERR_GIS_INVALID_DATA;
LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_PRIV_ST_BESTSRID);
}
} else if (OB_FAIL(ObGeoExprUtils::check_empty(geo, is_geo_empty))) {
LOG_WARN("check geo empty failed", K(ret));
} else if (is_geo_empty) {
// do nothing
} else if (ob_is_string_type(input_type)
&& OB_FAIL(ObGeoExprUtils::check_coordinate_range(srs, geo, N_PRIV_ST_BESTSRID, true))) {
LOG_WARN("invalid coordinate range", K(input_type), K(geo));
} else if (geo->crs() != ObGeoCRS::Geographic) {
ret = OB_ERR_NOT_IMPLEMENTED_FOR_PROJECTED_SRS;
LOG_USER_ERROR(OB_ERR_NOT_IMPLEMENTED_FOR_PROJECTED_SRS, N_PRIV_ST_BESTSRID,
ObGeoTypeUtil::get_geo_name_by_type(geo->type()));
} else {
ObGeoEvalCtx gis_context(&temp_allocator, srs);
ObGeogBox *result = NULL;
if (OB_FAIL(gis_context.append_geo_arg(geo))) {
LOG_WARN("build gis context failed", K(ret), K(gis_context.get_geo_count()));
} else if (OB_FAIL(ObGeoFunc<ObGeoFuncType::Box>::geo_func::eval(gis_context, result))) {
LOG_WARN("failed to do box functor failed", K(ret));
} else {
geo_box = result;
}
}
return ret;
}
int ObExprPrivSTBestsrid::eval_st_bestsrid(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
{
int ret = OB_SUCCESS;
ObGeogBox *geo_box1 = NULL;
ObGeogBox *geo_box2 = NULL;
uint32_t param_num = expr.arg_cnt_;
ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
common::ObArenaAllocator &temp_allocator = tmp_alloc_g.get_allocator();
omt::ObSrsCacheGuard srs_guard;
bool is_null_res = false;
bool is_geo_empty = false;
for (uint8_t i = 0; i < param_num && OB_SUCC(ret); i++) {
ObDatum *geo_datum = NULL;
ObExpr *geo_arg = expr.args_[i];
ObObjType input_type = geo_arg->datum_meta_.type_;
if (OB_FAIL(geo_arg->eval(ctx, geo_datum))) {
LOG_WARN("eval geo args failed", K(ret));
} else if (geo_datum->is_null()) {
res.set_null();
is_null_res = true;
} else if (OB_FAIL(ObExprPrivSTBestsrid::get_geog_box(ctx, temp_allocator,
geo_datum->get_string(),
input_type,
is_geo_empty,
i == 0 ? geo_box1 : geo_box2))) {
LOG_WARN("get geog box failed", K(ret), K(i));
}
}
if (OB_SUCC(ret) && !is_null_res) {
int32_t bestsrid = SRID_WORLD_MERCATOR_PG;
if (!is_geo_empty && OB_FAIL(ObGeoExprUtils::get_box_bestsrid(geo_box1, geo_box2, bestsrid))) {
LOG_WARN("failed to get box bestsrid", K(ret), KP(geo_box1), KP(geo_box2));
} else {
res.set_int(bestsrid);
}
}
return ret;
}
int ObExprPrivSTBestsrid::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
UNUSED(expr_cg_ctx);
UNUSED(raw_expr);
rt_expr.eval_func_ = eval_st_bestsrid;
return OB_SUCCESS;
}
}
}