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/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 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;
}
end++;
}
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_uint4korr(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];
longlong10_to_str(mi_sint8korr(key),buff,-10);
(void) fprintf(stream,"%s",buff);
key=end;
break;
}
case HA_KEYTYPE_ULONGLONG:
{
char buff[21];
longlong10_to_str(mi_sint8korr(key),buff,10);
(void) fprintf(stream,"%s",buff);
key=end;
break;
}
#endif
case HA_KEYTYPE_BIT:
{
uint i;
fputs("0x",stream);
for (i=0 ; i < keyseg->length ; i++)
fprintf(stream, "%02x", (uint) *key++);
key= end;
break;
}
case HA_KEYTYPE_VARTEXT1: /* VARCHAR and TEXT */
case HA_KEYTYPE_VARTEXT2: /* VARCHAR and TEXT */
case HA_KEYTYPE_VARBINARY1: /* VARBINARY and BLOB */
case HA_KEYTYPE_VARBINARY2: /* 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
/**
Check if the named table is in the open list.
@param[in] name table path as in MYISAM_SHARE::unique_file_name
@param[in] where verbal description of caller
@retval TRUE table is in open list
@retval FALSE table is not in open list
@note This function takes THR_LOCK_myisam. Do not call it when
this mutex is locked by this thread already.
*/
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);
mysql_mutex_lock(&THR_LOCK_myisam);
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)
{
mysql_mutex_unlock(&THR_LOCK_myisam);
fprintf(stderr,"Warning: Table: %s is open on %s\n", name,where);
DBUG_PRINT("warning",("Table: %s is open on %s", name,where));
DBUG_RETURN(1);
}
}
}
mysql_mutex_unlock(&THR_LOCK_myisam);
DBUG_RETURN(0);
}
#endif /* EXTRA_DEBUG */
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