File query_rewrite.h¶

FileList > cubrid > src > optimizer > rewriter > query_rewrite.h

#include "dbtype.h"
#include "object_primitive.h"
#include "object_representation.h"
#include "object_domain.h"
#include "optimizer.h"
#include "parser.h"
#include "parser_message.h"
#include "parse_tree.h"
#include "semantic_check.h"
#include "view_transform.h"

Classes¶

Type	Name
struct	pt_name_spec_info
struct	qo_reduce_reference_info
struct	qo_reset_location_info
struct	spec_cnt_info
struct	spec_id_info
struct	to_dot_info

Public Types¶

Type	Name
typedef enum comp_dbvalue_with_optye_result	COMP_DBVALUE_WITH_OPTYPE_RESULT
typedef enum dnf_merge_range_result	DNF_MERGE_RANGE_RESULT
typedef struct pt_name_spec_info	PT_NAME_SPEC_INFO
typedef struct qo_reduce_reference_info	QO_REDUCE_REFERENCE_INFO
typedef struct qo_reset_location_info	RESET_LOCATION_INFO
typedef struct spec_cnt_info	SPEC_CNT_INFO
typedef struct spec_id_info	SPEC_ID_INFO
typedef struct to_dot_info	TO_DOT_INFO
enum	comp_dbvalue_with_optye_result
enum	dnf_merge_range_result

Public Functions¶

Type	Name
void	qo_add_limit_clause (PARSER_CONTEXT * parser, PT_NODE * node)
PT_NODE *	qo_analyze_path_join (PARSER_CONTEXT * parser, PT_NODE * path_spec, void * arg, int * continue_walk)
PT_NODE *	qo_analyze_path_join_pre (PARSER_CONTEXT * parser, PT_NODE * spec, void * arg, int * continue_walk)
void	qo_auto_parameterize_keylimit_clause (PARSER_CONTEXT * parser, PT_NODE * node)
void	qo_auto_parameterize_limit_clause (PARSER_CONTEXT * parser, PT_NODE * node)
bool	qo_check_condition_null (PARSER_CONTEXT * parser, PT_NODE * path_spec, PT_NODE * query_where)
bool	qo_check_distinct_union (PARSER_CONTEXT * parser, PT_NODE * node)
bool	qo_check_generate_single_tbl_connect_by (PARSER_CONTEXT * parser, PT_NODE * node)
bool	qo_check_hint_union (PARSER_CONTEXT * parser, PT_NODE * node, PT_HINT_ENUM hint)
PT_NODE *	qo_check_nullable_expr_with_spec (PARSER_CONTEXT * parser, PT_NODE * node, void * arg, int * continue_walk)
PT_NODE *	qo_get_name_by_spec_id (PARSER_CONTEXT * parser, PT_NODE * node, void * arg, int * continue_walk)
int	qo_is_reduceable_const (PT_NODE * expr)
void	qo_move_on_of_explicit_join_to_where (PARSER_CONTEXT * parser, PT_NODE fromp, PT_NODE wherep)
PT_NODE *	qo_push_limit_to_union (PARSER_CONTEXT * parser, PT_NODE * node, PT_NODE * limit)
void	qo_reduce_equality_terms (PARSER_CONTEXT * parser, PT_NODE * node, PT_NODE ** wherep)
PT_NODE *	qo_reduce_equality_terms_post (PARSER_CONTEXT * parser, PT_NODE * node, void * arg, int * continue_walk)
PT_NODE *	qo_rewrite_hidden_col_as_derived (PARSER_CONTEXT * parser, PT_NODE * node, PT_NODE * parent_node)
void	qo_rewrite_index_hints (PARSER_CONTEXT * parser, PT_NODE * statement)
void	qo_rewrite_nonnull_count_select_list (PARSER_CONTEXT * parser, PT_NODE * select)
bool	qo_rewrite_select_queries (PARSER_CONTEXT * parser, PT_NODE nodep, PT_NODE wherep, int * seqno)
PT_NODE *	qo_rewrite_subqueries (PARSER_CONTEXT * parser, PT_NODE * node, void * arg, int * continue_walk)
void	qo_rewrite_terms (PARSER_CONTEXT * parser, PT_NODE * nodes, PT_NODE ** terms)

Macros¶

Type	Name
define	DB_MAX_LITERAL_PRECISION `255`
define	PROCESS_IF_EXISTS (parser, condition, func) `/* multi line expression */`
define	QO_CHECK_AND_REDUCE_EQUALITY_TERMS (parser, node, where) `/* multi line expression */`

Public Types Documentation¶

typedef COMP_DBVALUE_WITH_OPTYPE_RESULT¶

typedef enum comp_dbvalue_with_optye_result COMP_DBVALUE_WITH_OPTYPE_RESULT;

typedef DNF_MERGE_RANGE_RESULT¶

typedef enum dnf_merge_range_result DNF_MERGE_RANGE_RESULT;

typedef PT_NAME_SPEC_INFO¶

typedef struct pt_name_spec_info PT_NAME_SPEC_INFO;

typedef QO_REDUCE_REFERENCE_INFO¶

typedef struct qo_reduce_reference_info QO_REDUCE_REFERENCE_INFO;

typedef RESET_LOCATION_INFO¶

typedef struct qo_reset_location_info RESET_LOCATION_INFO;

typedef SPEC_CNT_INFO¶

typedef struct spec_cnt_info SPEC_CNT_INFO;

typedef SPEC_ID_INFO¶

typedef struct spec_id_info SPEC_ID_INFO;

typedef TO_DOT_INFO¶

typedef struct to_dot_info TO_DOT_INFO;

enum comp_dbvalue_with_optye_result¶

enum comp_dbvalue_with_optye_result {
    CompResultLess = -2,
    CompResultLessAdj = -1,
    CompResultEqual = 0,
    CompResultGreaterAdj = 1,
    CompResultGreater = 2,
    CompResultError = 3
};

enum dnf_merge_range_result¶

enum dnf_merge_range_result {
    DNF_RANGE_VALID = 0,
    DNF_RANGE_ALWAYS_FALSE = 1,
    DNF_RANGE_ALWAYS_TRUE = 2
};

Public Functions Documentation¶

function qo_add_limit_clause¶

void qo_add_limit_clause (
    PARSER_CONTEXT * parser,
    PT_NODE * node
)

function qo_analyze_path_join¶

PT_NODE * qo_analyze_path_join (
    PARSER_CONTEXT * parser,
    PT_NODE * path_spec,
    void * arg,
    int * continue_walk
)

function qo_analyze_path_join_pre¶

PT_NODE * qo_analyze_path_join_pre (
    PARSER_CONTEXT * parser,
    PT_NODE * spec,
    void * arg,
    int * continue_walk
)

function qo_auto_parameterize_keylimit_clause¶

void qo_auto_parameterize_keylimit_clause (
    PARSER_CONTEXT * parser,
    PT_NODE * node
)

function qo_auto_parameterize_limit_clause¶

void qo_auto_parameterize_limit_clause (
    PARSER_CONTEXT * parser,
    PT_NODE * node
)

function qo_check_condition_null¶

bool qo_check_condition_null (
    PARSER_CONTEXT * parser,
    PT_NODE * path_spec,
    PT_NODE * query_where
)

function qo_check_distinct_union¶

bool qo_check_distinct_union (
    PARSER_CONTEXT * parser,
    PT_NODE * node
)

function qo_check_generate_single_tbl_connect_by¶

bool qo_check_generate_single_tbl_connect_by (
    PARSER_CONTEXT * parser,
    PT_NODE * node
)

function qo_check_hint_union¶

bool qo_check_hint_union (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    PT_HINT_ENUM hint
)

function qo_check_nullable_expr_with_spec¶

PT_NODE * qo_check_nullable_expr_with_spec (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    void * arg,
    int * continue_walk
)

function qo_get_name_by_spec_id¶

PT_NODE * qo_get_name_by_spec_id (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    void * arg,
    int * continue_walk
)

function qo_is_reduceable_const¶

int qo_is_reduceable_const (
    PT_NODE * expr
)

function qo_move_on_of_explicit_join_to_where¶

void qo_move_on_of_explicit_join_to_where (
    PARSER_CONTEXT * parser,
    PT_NODE ** fromp,
    PT_NODE ** wherep
)

function qo_push_limit_to_union¶

PT_NODE * qo_push_limit_to_union (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    PT_NODE * limit
)

function qo_reduce_equality_terms¶

void qo_reduce_equality_terms (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    PT_NODE ** wherep
)

function qo_reduce_equality_terms_post¶

PT_NODE * qo_reduce_equality_terms_post (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    void * arg,
    int * continue_walk
)

function qo_rewrite_hidden_col_as_derived¶

PT_NODE * qo_rewrite_hidden_col_as_derived (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    PT_NODE * parent_node
)

function qo_rewrite_index_hints¶

void qo_rewrite_index_hints (
    PARSER_CONTEXT * parser,
    PT_NODE * statement
)

function qo_rewrite_nonnull_count_select_list¶

void qo_rewrite_nonnull_count_select_list (
    PARSER_CONTEXT * parser,
    PT_NODE * select
)

function qo_rewrite_select_queries¶

bool qo_rewrite_select_queries (
    PARSER_CONTEXT * parser,
    PT_NODE ** nodep,
    PT_NODE ** wherep,
    int * seqno
)

function qo_rewrite_subqueries¶

PT_NODE * qo_rewrite_subqueries (
    PARSER_CONTEXT * parser,
    PT_NODE * node,
    void * arg,
    int * continue_walk
)

function qo_rewrite_terms¶

void qo_rewrite_terms (
    PARSER_CONTEXT * parser,
    PT_NODE * nodes,
    PT_NODE ** terms
)

Macro Definition Documentation¶

define DB_MAX_LITERAL_PRECISION¶

#define DB_MAX_LITERAL_PRECISION `255`

define PROCESS_IF_EXISTS¶

#define PROCESS_IF_EXISTS (
    parser,
    condition,
    func
) `/* multi line expression */`

define QO_CHECK_AND_REDUCE_EQUALITY_TERMS¶

#define QO_CHECK_AND_REDUCE_EQUALITY_TERMS (
    parser,
    node,
    where
) `/* multi line expression */`

The documentation for this class was generated from the following file cubrid/src/optimizer/rewriter/query_rewrite.h