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patch 4.0

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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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56
src/sql/engine/expr/ob_expr_userenv.h
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@ -16,41 +16,49 @@
#include "sql/engine/expr/ob_expr_operator.h"
#include "lib/container/ob_iarray.h"
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
class ObExprUserEnv : public ObFuncExprOperator {
public:
ObExprUserEnv();
explicit ObExprUserEnv(common::ObIAllocator& alloc);
virtual ~ObExprUserEnv();
virtual int calc_result_type1(ObExprResType& type, ObExprResType& arg1, common::ObExprTypeCtx& type_ctx,
common::ObIArray<common::ObObj*>& arg_arrs) const override;
virtual int calc_result1(
common::ObObj& result, const common::ObObj& arg1, common::ObExprCtx& expr_ctx) const override;
struct UserEnvParameter {
char name[10];
bool is_str;
int (*calc)(common::ObObj& result, const common::ObObj& arg1, common::ObExprCtx& expr_ctx);
// engine 3.0
int (*eval)(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res);
virtual int calc_result_type1(ObExprResType& type,
ObExprResType& arg1,
common::ObExprTypeCtx& type_ctx,
common::ObIArray<common::ObObj*> &arg_arrs) const override;
struct NLS_Lang
{
char language[128];
char abbreviated[32];
};
static int calc_schemaid_result1(common::ObObj& result, const common::ObObj& arg1, common::ObExprCtx& expr_ctx);
static int calc_sessionid_result1(common::ObObj& result, const common::ObObj& arg1, common::ObExprCtx& expr_ctx);
// engine 3.0
virtual int cg_expr(ObExprCGCtx& ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
static int calc_user_env_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res);
static int eval_schemaid_result1(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res);
static int eval_sessionid_result1(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res);
struct UserEnvParameter
{
char name[15];
bool is_str;
int (*eval)(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
};
virtual int cg_expr(ObExprCGCtx &ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
static int calc_user_env_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_schemaid_result1(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_sessionid_result1(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_instance(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_lang(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_language(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_client_info(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
private:
int check_arg_valid(const common::ObObj& value, UserEnvParameter& para) const;
static NLS_Lang lang_map_[];
int check_arg_valid(const common::ObObj &value, UserEnvParameter &para,
common::ObIAllocator *alloc) const;
static UserEnvParameter parameters_[];
static const int DEFAULT_LENGTH = 64;
DISALLOW_COPY_AND_ASSIGN(ObExprUserEnv);
};
} // end namespace sql
} // end namespace oceanbase
} // end namespace sql
} // end namespace oceanbase
#endif