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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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39
src/sql/engine/expr/ob_expr_uuid_short.cpp
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@ -9,6 +9,7 @@
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX SQL_RESV
#include "sql/engine/expr/ob_expr_uuid_short.h"
#include "observer/ob_server_struct.h"
@ -16,20 +17,24 @@
using namespace oceanbase::common;
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
ObExprUuidShort::ObExprUuidShort(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_UUID_SHORT, N_UUID_SHORT, 0, NOT_ROW_DIMENSION)
{}
: ObFuncExprOperator(alloc, T_FUN_SYS_UUID_SHORT, N_UUID_SHORT, 0, NOT_ROW_DIMENSION)
{
}
ObExprUuidShort::~ObExprUuidShort()
{}
{
}
/**
* Note:
* The total number of serverids over(>=) 256 will not guarantee uniqueness,
* but we will not report an error, because this is a undefined behavior in mysql.
* The total number of serverids over(>=) 256 will not guarantee uniqueness,
* but we will not report an error, because this is a undefined behavior in mysql.
* In short, users should need to know this.
*/
uint64_t ObExprUuidShort::generate_uuid_short()
@ -45,15 +50,9 @@ uint64_t ObExprUuidShort::generate_uuid_short()
return uuid_short;
}
int ObExprUuidShort::calc_result0(common::ObObj &result, common::ObExprCtx &expr_ctx) const
{
int ret = OB_SUCCESS;
UNUSED(expr_ctx);
result.set_uint64(generate_uuid_short());
return ret;
}
int ObExprUuidShort::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
int ObExprUuidShort::cg_expr(ObExprCGCtx &expr_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
UNUSED(raw_expr);
UNUSED(expr_cg_ctx);
@ -61,7 +60,9 @@ int ObExprUuidShort::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr
return OB_SUCCESS;
}
int ObExprUuidShort::eval_uuid_short(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
int ObExprUuidShort::eval_uuid_short(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
UNUSED(expr);
@ -70,5 +71,5 @@ int ObExprUuidShort::eval_uuid_short(const ObExpr &expr, ObEvalCtx &ctx, ObDatum
return ret;
}
} // namespace sql
} // namespace oceanbase
} // namespace sql
} // namespace oceanbase