[FEAT MERGE] GIS
This commit is contained in:
obdev
187
src/sql/engine/expr/ob_expr_st_srid.cpp
Normal file
187
src/sql/engine/expr/ob_expr_st_srid.cpp
Normal file
@ -0,0 +1,187 @@
|
||||
/**
|
||||
* 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 st_srid.
|
||||
*/
|
||||
|
||||
#define USING_LOG_PREFIX SQL_ENG
|
||||
#include "sql/engine/expr/ob_expr_st_srid.h"
|
||||
#include "lib/geo/ob_geo_common.h"
|
||||
#include "lib/geo/ob_geo_func_common.h"
|
||||
#include "lib/geo/ob_geo_utils.h"
|
||||
#include "lib/geo/ob_geo.h"
|
||||
#include "observer/omt/ob_tenant_srs_mgr.h"
|
||||
#include "sql/engine/expr/ob_geo_expr_utils.h"
|
||||
|
||||
using namespace oceanbase::common;
|
||||
using namespace oceanbase::sql;
|
||||
using namespace oceanbase::omt;
|
||||
|
||||
namespace oceanbase
|
||||
{
|
||||
namespace sql
|
||||
{
|
||||
ObExprSTSRID::ObExprSTSRID(ObIAllocator &alloc)
|
||||
: ObFuncExprOperator(alloc, T_FUN_SYS_ST_SRID, N_ST_SRID, ONE_OR_TWO, NOT_ROW_DIMENSION)
|
||||
{
|
||||
}
|
||||
|
||||
ObExprSTSRID::ObExprSTSRID(ObIAllocator &alloc,
|
||||
ObExprOperatorType type,
|
||||
const char *name,
|
||||
int32_t param_num,
|
||||
int32_t dimension) : ObFuncExprOperator(alloc, type, name, param_num, dimension)
|
||||
{
|
||||
}
|
||||
|
||||
ObExprSTSRID::~ObExprSTSRID()
|
||||
{
|
||||
}
|
||||
|
||||
int ObExprSTSRID::calc_result_typeN(ObExprResType& type,
|
||||
ObExprResType* types_stack,
|
||||
int64_t param_num,
|
||||
ObExprTypeCtx& type_ctx) const
|
||||
{
|
||||
UNUSED(type_ctx);
|
||||
int ret = OB_SUCCESS;
|
||||
|
||||
if (OB_UNLIKELY(param_num > 2)) {
|
||||
ObString func_name_(get_name());
|
||||
ret = OB_ERR_PARAM_SIZE;
|
||||
LOG_USER_ERROR(OB_ERR_PARAM_SIZE, func_name_.length(), func_name_.ptr());
|
||||
} else {
|
||||
if (ob_is_null(types_stack[0].get_type())) {
|
||||
} else if (ob_is_numeric_type(types_stack[0].get_type())) {
|
||||
types_stack[0].set_calc_type(ObLongTextType);
|
||||
} else if (!ob_is_geometry(types_stack[0].get_type()) && !ob_is_string_type(types_stack[0].get_type())) {
|
||||
ret = OB_ERR_GIS_INVALID_DATA;
|
||||
LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, get_name());
|
||||
} else {
|
||||
type.set_uint32();
|
||||
}
|
||||
if (OB_SUCC(ret) && param_num > 1) {
|
||||
types_stack[1].set_calc_type(ObIntType);
|
||||
type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_STRING_INTEGER_TRUNC);
|
||||
type.set_geometry();
|
||||
type.set_length((ObAccuracy::DDL_DEFAULT_ACCURACY[ObGeometryType]).get_length());
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprSTSRID::eval_st_srid(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
|
||||
{
|
||||
return eval_st_srid_common(expr, ctx, res, N_ST_SRID);
|
||||
}
|
||||
|
||||
int ObExprSTSRID::eval_st_srid_common(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res, const char *func_name)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObArenaAllocator tmp_allocator;
|
||||
ObDatum *datum = NULL;
|
||||
int num_args = expr.arg_cnt_;
|
||||
bool is_null_result = false;
|
||||
ObGeoSrid srid = 0;
|
||||
ObString wkb;
|
||||
ObString res_wkb;
|
||||
const ObSrsItem *srs = NULL;
|
||||
ObSQLSessionInfo *session = ctx.exec_ctx_.get_my_session();
|
||||
omt::ObSrsCacheGuard srs_guard;
|
||||
ObGeometry *geo = NULL;
|
||||
bool is_geog = false;
|
||||
|
||||
// get srid
|
||||
if (num_args > 1) {
|
||||
if (expr.args_[1]->is_boolean_ && T_FUN_SYS_PRIV_ST_SETSRID == expr.type_) {
|
||||
ret = OB_ERR_INVALID_TYPE_FOR_OP;
|
||||
LOG_WARN("invalid type", K(ret));
|
||||
} else if (OB_FAIL(expr.args_[1]->eval(ctx, datum))) {
|
||||
LOG_WARN("failed to eval second argument", K(ret));
|
||||
} else if (datum->is_null()) {
|
||||
is_null_result = true;
|
||||
} else if (datum->get_int() < 0 || datum->get_int() > UINT_MAX32) {
|
||||
ret = OB_OPERATE_OVERFLOW;
|
||||
LOG_USER_ERROR(OB_OPERATE_OVERFLOW, "SRID", func_name);
|
||||
LOG_WARN("srid input value out of range", K(ret), K(datum->get_int()));
|
||||
} else if (0 != (srid = datum->get_uint32())) {
|
||||
if (OB_FAIL(OTSRS_MGR.get_tenant_srs_guard(session->get_effective_tenant_id(), srs_guard))) {
|
||||
LOG_WARN("failed to get srs guard", K(ret));
|
||||
} else if (OB_FAIL(srs_guard.get_srs_item(srid, srs))) {
|
||||
LOG_WARN("failed to get srs item", K(ret));
|
||||
} else if (OB_ISNULL(srs)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("unexpected null srs item", K(ret));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// get geometry
|
||||
if (OB_SUCC(ret)) {
|
||||
if (OB_FAIL(expr.args_[0]->eval(ctx, datum))) {
|
||||
LOG_WARN("failed to eval first argument", K(ret));
|
||||
} else if (datum->is_null()) {
|
||||
is_null_result = true;
|
||||
} else if (!is_null_result) { // srid might be null, fix 42538503
|
||||
wkb = datum->get_string();
|
||||
if (num_args == 1) {
|
||||
if (OB_FAIL(ObGeoExprUtils::get_srs_item(ctx, srs_guard, wkb, srs, true, func_name))) {
|
||||
LOG_WARN("fail to get srs item", K(ret), K(wkb));
|
||||
if (OB_ERR_SRS_NOT_FOUND == ret) {
|
||||
ret = OB_SUCCESS; // adapt mysql, treat unknown srid as cartesian
|
||||
}
|
||||
}
|
||||
if (OB_FAIL(ret)) {
|
||||
// do nothing
|
||||
} else if (OB_FAIL(ObGeoExprUtils::build_geometry(tmp_allocator, wkb, geo, srs, func_name, false, false, false))) {
|
||||
LOG_WARN("failed to parse geometry from wkb", K(ret));
|
||||
} else if (OB_FAIL(ObGeoTypeUtil::get_srid_from_wkb(wkb, srid))) {
|
||||
LOG_WARN("failed to get srid from wkb", K(ret));
|
||||
} else if (0 != srid && srs == NULL) {
|
||||
LOG_USER_WARN(OB_ERR_WARN_SRS_NOT_FOUND, srid);
|
||||
LOG_WARN("srs not found");
|
||||
}
|
||||
} else {
|
||||
if (OB_FAIL(ObGeoExprUtils::build_geometry(tmp_allocator, wkb, geo, srs, func_name, false, false, false))) {
|
||||
LOG_WARN("fail to create geo", K(ret), K(wkb));
|
||||
} else if (OB_FAIL(ObGeoExprUtils::geo_to_wkb(*geo, expr, ctx, srs, res_wkb))) {
|
||||
LOG_WARN("failed to write geometry to wkb", K(ret));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (OB_FAIL(ret)) {
|
||||
} else if (is_null_result) {
|
||||
res.set_null();
|
||||
} else if (num_args == 1) {
|
||||
res.set_uint32(srid);
|
||||
} else if (OB_ISNULL(geo)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("unexpected null geometry", K(ret));
|
||||
} else {
|
||||
res.set_string(res_wkb);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObExprSTSRID::cg_expr(ObExprCGCtx &expr_cg_ctx,
|
||||
const ObRawExpr &raw_expr,
|
||||
ObExpr &rt_expr) const
|
||||
{
|
||||
UNUSEDx(expr_cg_ctx, raw_expr);
|
||||
rt_expr.eval_func_ = eval_st_srid;
|
||||
return OB_SUCCESS;
|
||||
}
|
||||
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
Reference in New Issue
Block a user