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[FEAT MERGE] Lob SQL refactoring (Mem-LobLocator, expressions and dbms_lob adaptions)

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Co-authored-by: chaser-ch <chaser.ch@antgroup.com>
This commit is contained in:
obdev
2023-01-28 20:40:15 +08:00
committed by ob-robot
parent 4bb1033505
commit 3d4f554258
350 changed files with 19091 additions and 3918 deletions
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30
src/sql/engine/expr/ob_expr_st_astext.cpp
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@ -91,7 +91,8 @@ int ObExprSTAsText::eval_st_astext_common(const ObExpr &expr,
const char *func_name)
{
int ret = OB_SUCCESS;
ObArenaAllocator tmp_allocator;
ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
common::ObArenaAllocator &tmp_allocator = tmp_alloc_g.get_allocator();
int num_args = expr.arg_cnt_;
bool is_null_result = false;
ObString res_wkt;
@ -102,14 +103,19 @@ int ObExprSTAsText::eval_st_astext_common(const ObExpr &expr,
bool is_geog = false;
bool need_reverse = false;
ObDatum *gis_datum = NULL;
ObString wkb;
// get geo
if (OB_FAIL(expr.args_[0]->eval(ctx, gis_datum))) {
LOG_WARN("eval geo args failed", K(ret));
} else if (gis_datum->is_null()) {
is_null_result = true;
} else if (FALSE_IT(wkb = gis_datum->get_string())) {
} else if (OB_FAIL(ObTextStringHelper::read_real_string_data(tmp_allocator, *gis_datum,
expr.args_[0]->datum_meta_, expr.args_[0]->obj_meta_.has_lob_header(), wkb))) {
LOG_WARN("fail to get real string data", K(ret), K(wkb));
} else if (OB_FAIL(ObGeoExprUtils::construct_geometry(tmp_allocator,
gis_datum->get_string(), srs_guard, srs, geo, func_name))) {
LOG_WARN("fail to create geo", K(ret), K(gis_datum->get_string()));
wkb, srs_guard, srs, geo, func_name))) {
LOG_WARN("fail to create geo", K(ret), K(wkb));
} else if (OB_NOT_NULL(srs)){
is_geog = srs->is_geographical_srs();
need_reverse = is_geog && (srs->is_lat_long_order());
@ -119,6 +125,7 @@ int ObExprSTAsText::eval_st_astext_common(const ObExpr &expr,
if (!is_null_result && OB_SUCC(ret) && num_args > 1 ) {
ObGeoAxisOrder axis_order = ObGeoAxisOrder::INVALID;
ObDatum *datum = NULL;
ObString dstr;
if (OB_FAIL(expr.args_[1]->eval(ctx, datum))) {
LOG_WARN("eval axis_order axis_order failed", K(ret));
} else if (datum->is_null()){
@ -127,7 +134,11 @@ int ObExprSTAsText::eval_st_astext_common(const ObExpr &expr,
ObCharset::is_cs_nonascii(expr.args_[1]->datum_meta_.cs_type_)) {
ret = OB_ERR_GIS_INVALID_DATA;
LOG_USER_ERROR(OB_ERR_GIS_INVALID_DATA, func_name);
} else if (OB_FAIL(ObGeoExprUtils::parse_axis_order(datum->get_string(), func_name, axis_order))) {
} else if (FALSE_IT(dstr = datum->get_string())) {
} else if (OB_FAIL(ObTextStringHelper::read_real_string_data(tmp_allocator, *datum,
expr.args_[1]->datum_meta_, expr.args_[1]->obj_meta_.has_lob_header(), dstr))) {
LOG_WARN("fail to get real string data", K(ret), K(dstr));
} else if (OB_FAIL(ObGeoExprUtils::parse_axis_order(dstr, func_name, axis_order))) {
LOG_WARN("failed to parse axis order option string", K(ret));
} else {
switch (axis_order) {
@ -181,15 +192,8 @@ int ObExprSTAsText::eval_st_astext_common(const ObExpr &expr,
if (OB_FAIL(ret)) {
} else if (is_null_result) {
res.set_null();
} else {
char *buf = NULL;
if (OB_ISNULL(buf = expr.get_str_res_mem(ctx, res_wkt.length()))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(ret));
} else {
MEMCPY(buf, res_wkt.ptr(), res_wkt.length());
res.set_string(buf, res_wkt.length());
}
} else if (OB_FAIL(ObGeoExprUtils::pack_geo_res(expr, ctx, res, res_wkt))) {
LOG_WARN("fail to pack geo res", K(ret));
}
return ret;