dbt_res.c File Reference

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <stdlib.h>
#include <setjmp.h>
#include "../../mem/mem.h"
#include "dbt_res.h"

Include dependency graph for dbt_res.c:

Go to the source code of this file.

Defines

#define SIGN(_i)   ((_i) > 0 ? 1 : ((_i) < 0 ? -1 : 0))

Functions

int dbt_cmp_val (dbt_val_p _vp, db_val_t *_v)
int * dbt_get_refs (dbt_table_p _dtp, db_key_t *_k, int _n)
int dbt_mangle_columnselection (int **_lres, int *_nc, int *_o_nc, int *_o_l, int _o_n)
int dbt_parse_orderbyclause (db_key_t **_o_k, char **_o_op, int *_o_n, db_key_t _o)
void dbt_project_result (dbt_result_p _dres, int _o_nc)
int dbt_qsort_compar (const void *_a, const void *_b)
int dbt_result_add_row (dbt_result_p _dres, dbt_row_p _drp)
int dbt_result_extract_fields (dbt_table_p _dtp, dbt_row_p _drp, int *_lres, dbt_result_p _dres)
int dbt_result_free (dbt_result_p _dres)
dbt_result_p dbt_result_new (dbt_table_p _dtp, int *_lres, int _sz)
dbt_row_p dbt_result_new_row (dbt_result_p _dres)
int dbt_result_print (dbt_result_p _dres)
int dbt_row_match (dbt_table_p _dtp, dbt_row_p _drp, int *_lkey, db_op_t *_op, db_val_t *_v, int _n)
int dbt_sort_result (dbt_result_p _dres, int *_o_l, char *_o_op, int _o_n, int *_lres, int _nc)

Variables

dbt_result_p dbt_sort_dres
jmp_buf dbt_sort_jmpenv
int * dbt_sort_o_l
int dbt_sort_o_n
char * dbt_sort_o_op

Define Documentation

#define SIGN ( _i   )     ((_i) > 0 ? 1 : ((_i) < 0 ? -1 : 0))

Definition at line 44 of file dbt_res.c.

Referenced by dbt_cmp_val().

Function Documentation

int dbt_cmp_val ( dbt_val_p  _vp,
db_val_t *  _v 
)

Definition at line 434 of file dbt_res.c.

References db_val_t::bitmap_val, db_val_t::blob_val, DB_BIGINT, DB_BITMAP, DB_BLOB, DB_DATETIME, DB_DOUBLE, DB_INT, DB_STR, DB_STRING, db_val_t::double_val, db_val_t::int_val, _str::len, LM_ERR, db_val_t::nul, _str::s, SIGN, db_val_t::str_val, db_val_t::string_val, db_val_t::time_val, db_val_t::val, and VAL_TYPE.

Referenced by dbt_qsort_compar(), and dbt_row_match().

int* dbt_get_refs ( dbt_table_p  _dtp,
db_key_t *  _k,
int  _n 
)

Definition at line 159 of file dbt_res.c.

References _dbt_table::colv, _str::len, len, LM_ERR, _dbt_column::name, _dbt_table::nrcols, NULL, pkg_free, pkg_malloc, _str::s, and s.

Referenced by dbt_delete(), dbt_insert(), dbt_query(), and dbt_update().

int dbt_mangle_columnselection ( int **  _lres,
int *  _nc,
int *  _o_nc,
int *  _o_l,
int  _o_n 
)

Definition at line 662 of file dbt_res.c.

References pkg_realloc.

Referenced by dbt_query().

int dbt_parse_orderbyclause ( db_key_t **  _o_k,
char **  _o_op,
int *  _o_n,
db_key_t  _o 
)

Definition at line 534 of file dbt_res.c.

References _str::len, NULL, pkg_free, pkg_malloc, and _str::s.

Referenced by dbt_query().

void dbt_project_result ( dbt_result_p  _dres,
int  _o_nc 
)

Definition at line 789 of file dbt_res.c.

References _dbt_result::colv, DB_BLOB, DB_STR, DB_STRING, _dbt_row::fields, _str::len, _dbt_column::name, _dbt_row::next, _dbt_result::nrcols, db_val_t::nul, NULL, pkg_free, _dbt_result::rows, _str::s, db_val_t::str_val, db_val_t::type, _dbt_column::type, and db_val_t::val.

Referenced by dbt_query().

int dbt_qsort_compar ( const void *  _a,
const void *  _b 
)

Definition at line 711 of file dbt_res.c.

References dbt_cmp_val(), dbt_sort_jmpenv, dbt_sort_o_l, dbt_sort_o_n, and dbt_sort_o_op.

Referenced by dbt_sort_result().

int dbt_result_add_row ( dbt_result_p  _dres,
dbt_row_p  _drp 
)

Definition at line 145 of file dbt_res.c.

References _dbt_row::next, _dbt_result::nrrows, and _dbt_result::rows.

int dbt_result_extract_fields ( dbt_table_p  _dtp,
dbt_row_p  _drp,
int *  _lres,
dbt_result_p  _dres 
)

Definition at line 235 of file dbt_res.c.

References _dbt_table::colv, _dbt_result::colv, DB_BITMAP, DB_BLOB, DB_DATETIME, DB_DOUBLE, DB_INT, DB_STR, DB_STRING, dbt_is_neq_type(), dbt_result_new_row(), db_val_t::double_val, _dbt_row::fields, db_val_t::int_val, _str::len, LM_DBG, _dbt_row::next, _dbt_result::nrcols, _dbt_result::nrrows, db_val_t::nul, NULL, pkg_free, pkg_malloc, _dbt_result::rows, _str::s, db_val_t::str_val, db_val_t::type, _dbt_column::type, and db_val_t::val.

Referenced by dbt_query().

int dbt_result_free ( dbt_result_p  _dres  ) 

Definition at line 105 of file dbt_res.c.

References _dbt_result::colv, DB_STR, DB_STRING, _dbt_column::name, _dbt_row::next, _dbt_result::nrcols, NULL, pkg_free, _dbt_result::rows, _str::s, and _dbt_column::type.

Referenced by dbt_close(), dbt_free_result(), and dbt_query().

dbt_result_p dbt_result_new ( dbt_table_p  _dtp,
int *  _lres,
int  _sz 
)

Definition at line 46 of file dbt_res.c.

References _dbt_table::colv, _dbt_result::colv, _str::len, LM_DBG, _dbt_column::name, _dbt_result::nrcols, _dbt_table::nrcols, _dbt_result::nrrows, NULL, pkg_free, pkg_malloc, _dbt_result::rows, _str::s, and _dbt_column::type.

Referenced by dbt_query().

dbt_row_p dbt_result_new_row ( dbt_result_p  _dres  ) 

Definition at line 507 of file dbt_res.c.

References _dbt_row::fields, _dbt_row::next, _dbt_result::nrcols, NULL, pkg_free, pkg_malloc, and _dbt_row::prev.

Referenced by dbt_result_extract_fields().

int dbt_result_print ( dbt_result_p  _dres  ) 

Definition at line 322 of file dbt_res.c.

References _dbt_result::colv, DB_DOUBLE, DB_INT, DB_STR, DBT_FLAG_NULL, db_val_t::double_val, _dbt_row::fields, _dbt_column::flag, db_val_t::int_val, _str::len, _dbt_column::name, _dbt_row::next, _dbt_result::nrcols, db_val_t::nul, NULL, _dbt_result::rows, _str::s, db_val_t::str_val, _dbt_column::type, and db_val_t::val.

int dbt_row_match ( dbt_table_p  _dtp,
dbt_row_p  _drp,
int *  _lkey,
db_op_t *  _op,
db_val_t *  _v,
int  _n 
)

Definition at line 193 of file dbt_res.c.

References dbt_cmp_val(), _dbt_row::fields, OP_EQ, OP_GEQ, OP_GT, OP_LEQ, and OP_LT.

Referenced by dbt_delete(), dbt_query(), and dbt_update().

int dbt_sort_result ( dbt_result_p  _dres,
int *  _o_l,
char *  _o_op,
int  _o_n,
int *  _lres,
int  _nc 
)

Definition at line 732 of file dbt_res.c.

References dbt_qsort_compar(), dbt_sort_jmpenv, dbt_sort_o_l, dbt_sort_o_n, dbt_sort_o_op, LM_ERR, _dbt_row::next, _dbt_result::nrrows, NULL, pkg_free, pkg_malloc, _dbt_row::prev, and _dbt_result::rows.

Referenced by dbt_query().

Variable Documentation

dbt_result_p dbt_sort_dres

Definition at line 703 of file dbt_res.c.

jmp_buf dbt_sort_jmpenv

Definition at line 707 of file dbt_res.c.

Referenced by dbt_qsort_compar(), and dbt_sort_result().

int* dbt_sort_o_l

Definition at line 704 of file dbt_res.c.

Referenced by dbt_qsort_compar(), and dbt_sort_result().

int dbt_sort_o_n

Definition at line 706 of file dbt_res.c.

Referenced by dbt_qsort_compar(), and dbt_sort_result().

char* dbt_sort_o_op

Definition at line 705 of file dbt_res.c.

Referenced by dbt_qsort_compar(), and dbt_sort_result().

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