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/*
Copyright(C) 2009-2016 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define GRN_TABLE_MAX_KEY_SIZE (0x1000)
GRN_API grn_obj *grn_table_create(grn_ctx *ctx,
const char *name, unsigned int name_size,
const char *path, grn_table_flags flags,
grn_obj *key_type, grn_obj *value_type);
#define GRN_TABLE_OPEN_OR_CREATE(ctx,name,name_size,path,flags,key_type,value_type,table) \
(((table) = grn_ctx_get((ctx), (name), (name_size))) ||\
((table) = grn_table_create((ctx), (name), (name_size), (path), (flags), (key_type), (value_type))))
/* TODO: int *added -> grn_bool *added */
GRN_API grn_id grn_table_add(grn_ctx *ctx, grn_obj *table,
const void *key, unsigned int key_size, int *added);
GRN_API grn_id grn_table_get(grn_ctx *ctx, grn_obj *table,
const void *key, unsigned int key_size);
GRN_API grn_id grn_table_at(grn_ctx *ctx, grn_obj *table, grn_id id);
GRN_API grn_id grn_table_lcp_search(grn_ctx *ctx, grn_obj *table,
const void *key, unsigned int key_size);
GRN_API int grn_table_get_key(grn_ctx *ctx, grn_obj *table,
grn_id id, void *keybuf, int buf_size);
GRN_API grn_rc grn_table_delete(grn_ctx *ctx, grn_obj *table,
const void *key, unsigned int key_size);
GRN_API grn_rc grn_table_delete_by_id(grn_ctx *ctx, grn_obj *table, grn_id id);
GRN_API grn_rc grn_table_update_by_id(grn_ctx *ctx, grn_obj *table, grn_id id,
const void *dest_key, unsigned int dest_key_size);
GRN_API grn_rc grn_table_update(grn_ctx *ctx, grn_obj *table,
const void *src_key, unsigned int src_key_size,
const void *dest_key, unsigned int dest_key_size);
GRN_API grn_rc grn_table_truncate(grn_ctx *ctx, grn_obj *table);
#define GRN_CURSOR_ASCENDING (0x00<<0)
#define GRN_CURSOR_DESCENDING (0x01<<0)
#define GRN_CURSOR_GE (0x00<<1)
#define GRN_CURSOR_GT (0x01<<1)
#define GRN_CURSOR_LE (0x00<<2)
#define GRN_CURSOR_LT (0x01<<2)
#define GRN_CURSOR_BY_KEY (0x00<<3)
#define GRN_CURSOR_BY_ID (0x01<<3)
#define GRN_CURSOR_PREFIX (0x01<<4)
#define GRN_CURSOR_SIZE_BY_BIT (0x01<<5)
#define GRN_CURSOR_RK (0x01<<6)
GRN_API grn_table_cursor *grn_table_cursor_open(grn_ctx *ctx, grn_obj *table,
const void *min, unsigned int min_size,
const void *max, unsigned int max_size,
int offset, int limit, int flags);
GRN_API grn_rc grn_table_cursor_close(grn_ctx *ctx, grn_table_cursor *tc);
GRN_API grn_id grn_table_cursor_next(grn_ctx *ctx, grn_table_cursor *tc);
GRN_API int grn_table_cursor_get_key(grn_ctx *ctx, grn_table_cursor *tc, void **key);
GRN_API int grn_table_cursor_get_value(grn_ctx *ctx, grn_table_cursor *tc, void **value);
GRN_API grn_rc grn_table_cursor_set_value(grn_ctx *ctx, grn_table_cursor *tc,
const void *value, int flags);
GRN_API grn_rc grn_table_cursor_delete(grn_ctx *ctx, grn_table_cursor *tc);
GRN_API grn_obj *grn_table_cursor_table(grn_ctx *ctx, grn_table_cursor *tc);
GRN_API grn_obj *grn_index_cursor_open(grn_ctx *ctx, grn_table_cursor *tc, grn_obj *index,
grn_id rid_min, grn_id rid_max, int flags);
GRN_API grn_posting *grn_index_cursor_next(grn_ctx *ctx, grn_obj *ic, grn_id *tid);
#define GRN_TABLE_EACH(ctx,table,head,tail,id,key,key_size,value,block) do {\
(ctx)->errlvl = GRN_LOG_NOTICE;\
(ctx)->rc = GRN_SUCCESS;\
if ((ctx)->seqno & 1) {\
(ctx)->subno++;\
} else {\
(ctx)->seqno++;\
}\
if (table) {\
switch ((table)->header.type) {\
case GRN_TABLE_PAT_KEY :\
GRN_PAT_EACH((ctx), (grn_pat *)(table), (id), (key), (key_size), (value), block);\
break;\
case GRN_TABLE_DAT_KEY :\
GRN_DAT_EACH((ctx), (grn_dat *)(table), (id), (key), (key_size), block);\
break;\
case GRN_TABLE_HASH_KEY :\
GRN_HASH_EACH((ctx), (grn_hash *)(table), (id), (key), (key_size), (value), block);\
break;\
case GRN_TABLE_NO_KEY :\
GRN_ARRAY_EACH((ctx), (grn_array *)(table), (head), (tail), (id), (value), block);\
break;\
}\
}\
if ((ctx)->subno) {\
(ctx)->subno--;\
} else {\
(ctx)->seqno++;\
}\
} while (0)
#define GRN_TABLE_EACH_BEGIN(ctx, table, cursor, id) do {\
if ((table)) {\
grn_table_cursor *cursor;\
cursor = grn_table_cursor_open((ctx), (table),\
NULL, 0,\
NULL, 0,\
0, -1, GRN_CURSOR_ASCENDING);\
if (cursor) {\
grn_id id;\
while ((id = grn_table_cursor_next((ctx), cursor))) {
#define GRN_TABLE_EACH_BEGIN_FLAGS(ctx, table, cursor, id, flags) do {\
if ((table)) {\
grn_table_cursor *cursor;\
cursor = grn_table_cursor_open((ctx), (table),\
NULL, 0,\
NULL, 0,\
0, -1, (flags));\
if (cursor) {\
grn_id id;\
while ((id = grn_table_cursor_next((ctx), cursor))) {
#define GRN_TABLE_EACH_BEGIN_MIN(ctx, table, cursor, id,\
min, min_size, flags) do {\
if ((table)) {\
grn_table_cursor *cursor;\
cursor = grn_table_cursor_open((ctx), (table),\
(min), (min_size),\
NULL, 0,\
0, -1, (flags));\
if (cursor) {\
grn_id id;\
while ((id = grn_table_cursor_next((ctx), cursor))) {
#define GRN_TABLE_EACH_END(ctx, cursor)\
}\
grn_table_cursor_close((ctx), cursor);\
}\
}\
} while (0)
typedef struct _grn_table_sort_key grn_table_sort_key;
typedef unsigned char grn_table_sort_flags;
#define GRN_TABLE_SORT_ASC (0x00<<0)
#define GRN_TABLE_SORT_DESC (0x01<<0)
struct _grn_table_sort_key {
grn_obj *key;
grn_table_sort_flags flags;
int offset;
};
GRN_API int grn_table_sort(grn_ctx *ctx, grn_obj *table, int offset, int limit,
grn_obj *result, grn_table_sort_key *keys, int n_keys);
typedef struct _grn_table_group_result grn_table_group_result;
typedef uint32_t grn_table_group_flags;
#define GRN_TABLE_GROUP_CALC_COUNT (0x01<<3)
#define GRN_TABLE_GROUP_CALC_MAX (0x01<<4)
#define GRN_TABLE_GROUP_CALC_MIN (0x01<<5)
#define GRN_TABLE_GROUP_CALC_SUM (0x01<<6)
#define GRN_TABLE_GROUP_CALC_AVG (0x01<<7)
struct _grn_table_group_result {
grn_obj *table;
unsigned char key_begin;
unsigned char key_end;
int limit;
grn_table_group_flags flags;
grn_operator op;
unsigned int max_n_subrecs;
grn_obj *calc_target;
};
GRN_API grn_rc grn_table_group(grn_ctx *ctx, grn_obj *table,
grn_table_sort_key *keys, int n_keys,
grn_table_group_result *results, int n_results);
GRN_API grn_rc grn_table_setoperation(grn_ctx *ctx, grn_obj *table1, grn_obj *table2,
grn_obj *res, grn_operator op);
GRN_API grn_rc grn_table_difference(grn_ctx *ctx, grn_obj *table1, grn_obj *table2,
grn_obj *res1, grn_obj *res2);
GRN_API int grn_table_columns(grn_ctx *ctx, grn_obj *table,
const char *name, unsigned int name_size,
grn_obj *res);
GRN_API unsigned int grn_table_size(grn_ctx *ctx, grn_obj *table);
GRN_API grn_rc grn_table_rename(grn_ctx *ctx, grn_obj *table,
const char *name, unsigned int name_size);
GRN_API grn_obj *grn_table_select(grn_ctx *ctx, grn_obj *table, grn_obj *expr,
grn_obj *res, grn_operator op);
GRN_API grn_table_sort_key *grn_table_sort_key_from_str(grn_ctx *ctx,
const char *str, unsigned int str_size,
grn_obj *table, unsigned int *nkeys);
GRN_API grn_rc grn_table_sort_key_close(grn_ctx *ctx,
grn_table_sort_key *keys, unsigned int nkeys);
GRN_API grn_bool grn_table_is_grouped(grn_ctx *ctx, grn_obj *table);
GRN_API unsigned int grn_table_max_n_subrecs(grn_ctx *ctx, grn_obj *table);
GRN_API grn_obj *grn_table_create_for_group(grn_ctx *ctx,
const char *name,
unsigned int name_size,
const char *path,
grn_obj *group_key,
grn_obj *value_type,
unsigned int max_n_subrecs);
GRN_API unsigned int grn_table_get_subrecs(grn_ctx *ctx, grn_obj *table,
grn_id id, grn_id *subrecbuf,
int *scorebuf, int buf_size);
GRN_API grn_obj *grn_table_tokenize(grn_ctx *ctx, grn_obj *table,
const char *str, unsigned int str_len,
grn_obj *buf, grn_bool addp);
GRN_API grn_rc grn_table_apply_expr(grn_ctx *ctx,
grn_obj *table,
grn_obj *output_column,
grn_obj *expr);
GRN_API grn_id grn_table_find_reference_object(grn_ctx *ctx, grn_obj *table);
#ifdef __cplusplus
}
#endif
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