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oceanbase/src/sql/engine/expr/ob_expr_st_contains.cpp

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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_contains.
*/
#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.h"
#include "ob_expr_st_contains.h"
#include "lib/geo/ob_geo_cache.h"
#include "sql/engine/expr/ob_geo_expr_utils.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
namespace oceanbase
{
namespace sql
{
ObExprSTContains::ObExprSTContains(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_ST_CONTAINS, N_ST_CONTAINS, 2, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
{
}
ObExprSTContains::~ObExprSTContains()
{
}
int ObExprSTContains::calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
common::ObExprTypeCtx &type_ctx) const
{
UNUSED(type_ctx);
INIT_SUCC(ret);
if (type1.get_type() == ObNullType) {
} else if (!ob_is_geometry(type1.get_type()) && !ob_is_string_type(type1.get_type())) {
type1.set_calc_type(ObVarcharType);
type1.set_calc_collation_type(CS_TYPE_BINARY);
}
if (type2.get_type() == ObNullType) {
} else if (!ob_is_geometry(type2.get_type()) && !ob_is_string_type(type2.get_type())) {
type2.set_calc_type(ObVarcharType);
type2.set_calc_collation_type(CS_TYPE_BINARY);
}
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 ObExprSTContains::eval_st_contains(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
{
int ret = OB_SUCCESS;
ObDatum *gis_datum1 = NULL;
ObDatum *gis_datum2 = NULL;
ObExpr *gis_arg1 = expr.args_[0];
ObExpr *gis_arg2 = expr.args_[1];
ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
common::ObArenaAllocator &temp_allocator = tmp_alloc_g.get_allocator();
if (OB_FAIL(gis_arg1->eval(ctx, gis_datum1)) || OB_FAIL(gis_arg2->eval(ctx, gis_datum2))) {
LOG_WARN("eval geo args failed", K(ret));
} else if (gis_datum1->is_null() || gis_datum2->is_null()) {
res.set_null();
} else {
ObGeoConstParamCache* const_param_cache = ObGeoExprUtils::get_geo_constParam_cache(expr.expr_ctx_id_, &ctx.exec_ctx_);
bool is_geo1_empty = false;
bool is_geo2_empty = false;
ObGeometry *geo1 = NULL;
ObGeometry *geo2 = NULL;
ObGeoType type1;
ObGeoType type2;
uint32_t srid1;
uint32_t srid2;
ObString wkb1 = gis_datum1->get_string();
ObString wkb2 = gis_datum2->get_string();
omt::ObSrsCacheGuard srs_guard;
const ObSrsItem *srs = NULL;
bool is_geo1_cached = false;
bool is_geo2_cached = false;
ObSQLSessionInfo *session = ctx.exec_ctx_.get_my_session();
if (gis_arg1->is_static_const_) {
ObGeoExprUtils::expr_get_const_param_cache(const_param_cache, geo1, srid1, is_geo1_cached, 0);
}
if (gis_arg2->is_static_const_) {
ObGeoExprUtils::expr_get_const_param_cache(const_param_cache, geo2, srid2, is_geo2_cached, 1);
}
if (!is_geo1_cached && OB_FAIL(ObGeoExprUtils::expr_prepare_build_geometry(temp_allocator, *gis_datum1, *gis_arg1, wkb1, type1, srid1))) {
if (ret == OB_ERR_GIS_INVALID_DATA) {
LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_ST_CONTAINS);
}
} else if (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::expr_prepare_build_geometry(temp_allocator, *gis_datum2, *gis_arg2, wkb2, type2, srid2))) {
if (ret == OB_ERR_GIS_INVALID_DATA) {
LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, N_ST_CONTAINS);
}
} else if (srid1 != srid2) {
LOG_WARN("srid not the same", K(srid1), K(srid2));
ret = OB_ERR_GIS_DIFFERENT_SRIDS;
} else if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to get session", K(ret));
} else if (!is_geo1_cached && !is_geo2_cached && OB_FAIL(ObGeoExprUtils::get_srs_item(session->get_effective_tenant_id(), srs_guard, srid1, srs))) {
LOG_WARN("fail to get srs item", K(ret), K(srid1));
} else if (!is_geo1_cached && OB_FAIL(ObGeoExprUtils::build_geometry(temp_allocator, wkb1, geo1, nullptr, N_ST_CONTAINS, ObGeoBuildFlag::GEO_ALLOW_3D_CARTESIAN))) {
LOG_WARN("get first geo by wkb failed", K(ret));
} else if (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::build_geometry(temp_allocator, wkb2, geo2, nullptr, N_ST_CONTAINS, ObGeoBuildFlag::GEO_ALLOW_3D_CARTESIAN))) {
LOG_WARN("get second geo by wkb failed", K(ret));
} else if ((!is_geo1_cached && OB_FAIL(ObGeoExprUtils::check_empty(geo1, is_geo1_empty)))
|| (!is_geo2_cached && OB_FAIL(ObGeoExprUtils::check_empty(geo2, is_geo2_empty)))) {
LOG_WARN("check geo empty failed", K(ret));
} else if (is_geo1_empty || is_geo2_empty) {
res.set_null();
} else if (OB_FAIL(ObGeoExprUtils::zoom_in_geos_for_relation(*geo1, *geo2, is_geo1_cached, is_geo2_cached))) {
LOG_WARN("zoom in geos failed", K(ret));
} else {
if (OB_NOT_NULL(const_param_cache)) {
if (gis_arg1->is_static_const_ && !is_geo1_cached &&
OB_FAIL(const_param_cache->add_const_param_cache(0, *geo1))) {
LOG_WARN("add geo1 to const cache failed", K(ret));
} else if (gis_arg2->is_static_const_ && !is_geo2_cached &&
OB_FAIL(const_param_cache->add_const_param_cache(1, *geo2))) {
LOG_WARN("add geo2 to const cache failed", K(ret));
}
}
if (OB_FAIL(ret)) {
} else {
ObGeoEvalCtx gis_context(&temp_allocator);
bool result = false;
if (OB_FAIL(gis_context.append_geo_arg(geo2)) || OB_FAIL(gis_context.append_geo_arg(geo1))) {
LOG_WARN("build gis context failed", K(ret), K(gis_context.get_geo_count()));
} else {
ObCachedGeom *cache_geo = NULL;
ObGeometry *geo;
if (OB_NOT_NULL(const_param_cache)) {
if (gis_arg1->is_static_const_) {
cache_geo = const_param_cache->get_cached_geo(0);
if (cache_geo == NULL
&& OB_FAIL(ObGeoTypeUtil::create_cached_geometry(*const_param_cache->get_allocator(),
temp_allocator,
const_param_cache->get_const_param_cache(0),
srs,
cache_geo))) {
LOG_WARN("add geo2 to const cache failed", K(ret));
} else {
geo = geo2;
const_param_cache->add_cached_geo(0, cache_geo);
}
}
}
if (OB_FAIL(ret)) {
} else if (OB_NOT_NULL(cache_geo)) {
if (OB_FAIL(cache_geo->contains(*geo, gis_context, result))) {
LOG_WARN("get contains result failed", K(ret));
} else {
res.set_bool(result);
}
} else if (ObGeoTypeUtil::use_point_polygon_short_circuit(*geo1, *geo2, T_FUN_SYS_ST_CONTAINS)) {
bool result = false;
if (OB_FAIL(ObGeoTypeUtil::get_point_polygon_res(geo1, geo2, T_FUN_SYS_ST_CONTAINS, result))) {
LOG_WARN("fail to get res.", K(ret));
} else {
res.set_bool(result);
}
} else if (OB_FAIL(ObGeoFunc<ObGeoFuncType::Within>::gis_func::eval(gis_context, result))) {
LOG_WARN("eval Within functor failed", K(ret));
ObGeoExprUtils::geo_func_error_handle(ret, N_ST_CONTAINS);
} else {
res.set_bool(result);
}
}
}
}
}
return ret;
}
int ObExprSTContains::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_contains;
return OB_SUCCESS;
}
}
}
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