mi_dbug.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Support rutiner with are using with dbug */
- #include "myisamdef.h"
- /* Print a key in user understandable format */
- void _mi_print_key(FILE *stream, register HA_KEYSEG *keyseg,
- const uchar *key, uint length)
- {
- int flag;
- short int s_1;
- long int l_1;
- float f_1;
- double d_1;
- const uchar *end;
- const uchar *key_end=key+length;
- VOID(fputs("Key: "",stream));
- flag=0;
- for (; keyseg->type && key < key_end ;keyseg++)
- {
- if (flag++)
- VOID(putc('-',stream));
- end= key+ keyseg->length;
- if (keyseg->flag & HA_NULL_PART)
- {
- /* A NULL value is encoded by a 1-byte flag. Zero means NULL. */
- if (! *(key++))
- {
- fprintf(stream,"NULL");
- continue;
- }
- }
- switch (keyseg->type) {
- case HA_KEYTYPE_BINARY:
- if (!(keyseg->flag & HA_SPACE_PACK) && keyseg->length == 1)
- { /* packed binary digit */
- VOID(fprintf(stream,"%d",(uint) *key++));
- break;
- }
- /* fall through */
- case HA_KEYTYPE_TEXT:
- case HA_KEYTYPE_NUM:
- if (keyseg->flag & HA_SPACE_PACK)
- {
- VOID(fprintf(stream,"%.*s",(int) *key,key+1));
- key+= (int) *key+1;
- }
- else
- {
- VOID(fprintf(stream,"%.*s",(int) keyseg->length,key));
- key=end;
- }
- break;
- case HA_KEYTYPE_INT8:
- VOID(fprintf(stream,"%d",(int) *((signed char*) key)));
- key=end;
- break;
- case HA_KEYTYPE_SHORT_INT:
- s_1= mi_sint2korr(key);
- VOID(fprintf(stream,"%d",(int) s_1));
- key=end;
- break;
- case HA_KEYTYPE_USHORT_INT:
- {
- ushort u_1;
- u_1= mi_uint2korr(key);
- VOID(fprintf(stream,"%u",(uint) u_1));
- key=end;
- break;
- }
- case HA_KEYTYPE_LONG_INT:
- l_1=mi_sint4korr(key);
- VOID(fprintf(stream,"%ld",l_1));
- key=end;
- break;
- case HA_KEYTYPE_ULONG_INT:
- l_1=mi_sint4korr(key);
- VOID(fprintf(stream,"%lu",(ulong) l_1));
- key=end;
- break;
- case HA_KEYTYPE_INT24:
- VOID(fprintf(stream,"%ld",(long) mi_sint3korr(key)));
- key=end;
- break;
- case HA_KEYTYPE_UINT24:
- VOID(fprintf(stream,"%lu",(ulong) mi_uint3korr(key)));
- key=end;
- break;
- case HA_KEYTYPE_FLOAT:
- mi_float4get(f_1,key);
- VOID(fprintf(stream,"%g",(double) f_1));
- key=end;
- break;
- case HA_KEYTYPE_DOUBLE:
- mi_float8get(d_1,key);
- VOID(fprintf(stream,"%g",d_1));
- key=end;
- break;
- #ifdef HAVE_LONG_LONG
- case HA_KEYTYPE_LONGLONG:
- {
- char buff[21];
- longlong2str(mi_sint8korr(key),buff,-10);
- VOID(fprintf(stream,"%s",buff));
- key=end;
- break;
- }
- case HA_KEYTYPE_ULONGLONG:
- {
- char buff[21];
- longlong2str(mi_sint8korr(key),buff,10);
- VOID(fprintf(stream,"%s",buff));
- key=end;
- break;
- }
- #endif
- case HA_KEYTYPE_VARTEXT: /* VARCHAR and TEXT */
- case HA_KEYTYPE_VARBINARY: /* VARBINARY and BLOB */
- {
- uint tmp_length;
- get_key_length(tmp_length,key);
- /*
- The following command sometimes gives a warning from valgrind.
- Not yet sure if the bug is in valgrind, glibc or mysqld
- */
- VOID(fprintf(stream,"%.*s",(int) tmp_length,key));
- key+=tmp_length;
- break;
- }
- default: break; /* This never happens */
- }
- }
- VOID(fputs(""n",stream));
- return;
- } /* print_key */
- #ifdef EXTRA_DEBUG
- my_bool check_table_is_closed(const char *name, const char *where)
- {
- char filename[FN_REFLEN];
- LIST *pos;
- DBUG_ENTER("check_table_is_closed");
- (void) fn_format(filename,name,"",MI_NAME_IEXT,4+16+32);
- for (pos=myisam_open_list ; pos ; pos=pos->next)
- {
- MI_INFO *info=(MI_INFO*) pos->data;
- MYISAM_SHARE *share=info->s;
- if (!strcmp(share->unique_file_name,filename))
- {
- if (share->last_version)
- {
- fprintf(stderr,"Warning: Table: %s is open on %sn", name,where);
- DBUG_PRINT("warning",("Table: %s is open on %s", name,where));
- DBUG_RETURN(1);
- }
- }
- }
- DBUG_RETURN(0);
- }
- #endif /* EXTRA_DEBUG */