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[FEAT MERGE] 开源裁减颗粒度优化

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Co-authored-by: nroskill <nroskill@gmail.com>
Co-authored-by: akaError <lzg020616@163.com>
Co-authored-by: yinyj17 <yinyijun92@gmail.com>
This commit is contained in:
wenxingsen
2023-08-15 02:40:25 +00:00
committed by ob-robot
parent a31e422133
commit 9b31f8aa03
378 changed files with 26718 additions and 2379 deletions
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65
src/sql/engine/expr/ob_expr_xml_serialize.h
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@ -15,6 +15,10 @@
#define OCEANBASE_SQL_OB_EXPR_XML_SERIALIZE_H_
#include "sql/engine/expr/ob_expr_operator.h"
#ifdef OB_BUILD_ORACLE_XML
#include "lib/xml/ob_multi_mode_interface.h"
#include "lib/xml/ob_xml_tree.h"
#endif
using namespace oceanbase::common;
namespace oceanbase
@ -31,11 +35,72 @@ public:
int64_t param_num,
common::ObExprTypeCtx& type_ctx)
const override;
#ifdef OB_BUILD_ORACLE_XML
static int eval_xml_serialize(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
#else
static int eval_xml_serialize(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res) { return OB_NOT_SUPPORTED; }
#endif
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
int get_dest_type(const ObExprResType as_type, ObExprResType &dst_type) const;
#ifdef OB_BUILD_ORACLE_XML
private:
static bool is_supported_return_type(ObObjType val_type, ObCollationType cs_type);
static int get_xml_base_by_doc_type(ObMulModeMemCtx* mem_ctx,
bool is_xml_doc,
ObCollationType cs_type,
ObDatum *xml_datum,
ObIMulModeBase *&node);
static int get_and_check_int_from_expr(const ObExpr *expr,
ObEvalCtx &ctx,
int64_t start,
int64_t end,
int64_t &res);
static int transform_to_dst_type(const ObExpr &expr, ObString &xml_format_str);
static int string_length_check_only(const ObLength max_length_char,
const ObCollationType cs_type,
const ObObj &obj);
static int get_and_check_encoding_spec(const ObExpr *expr,
ObEvalCtx &ctx,
ObObjType return_type,
ObCollationType return_cs_type,
ObString &encoding_spec);
static int print_format_xml_text(ObIAllocator &allocator,
ObEvalCtx &ctx,
ObIMulModeBase *xml_doc,
bool with_encoding,
bool with_version,
uint32_t format_flag,
ObParameterPrint &print_params,
ObString &res);
private:
// xml_doc_type
const static int64_t OB_XML_DOCUMENT = 0;
const static int64_t OB_XML_CONTENT = 1;
const static int64_t OB_XML_DOC_TYPE_IMPLICIT = 2;
// encoding type
const static int64_t OB_XML_NONE_ENCODING = 0;
const static int64_t OB_XML_WITH_ENCODING = 1;
// version type
const static int64_t OB_XML_NONE_VERSION = 0;
const static int64_t OB_XML_WITH_VERSION = 1;
// indent type
const static int64_t OB_XML_NO_INDENT = 1;
const static int64_t OB_XML_INDENT = 2;
const static int64_t OB_XML_INDENT_SIZE = 3;
const static int64_t OB_XML_INDENT_IMPLICT = 4;
// indent size
const static int64_t OB_XML_INDENT_INVALID = -1;
const static int64_t OB_XML_INDENT_MIN = 0;
const static int64_t OB_XML_INDENT_MAX = 12;
// default type
const static int64_t OB_XML_DEFAULTS_IMPLICIT = 0;
const static int64_t OB_XML_HIDE_DEFAULTS = 1;
const static int64_t OB_XML_SHOW_DEFAULTS = 2;
#endif
private:
DISALLOW_COPY_AND_ASSIGN(ObExprXmlSerialize);
};