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Merge work:/home/bk/mysql-4.1 into hundin.mysql.fi:/my/mysql-4.1

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sql/sql_lex.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
This commit is contained in:
unknown
2002-12-01 15:05:35 +02:00
parent 9fcbfc0d12 9b045452c9
commit 0da49160c6
2 changed files with 45 additions and 6 deletions
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49
sql/sql_lex.cc
View File

@ -220,7 +220,7 @@ static int find_keyword(LEX *lex, uint len, bool function)
/* make a copy of token before ptr and set yytoklen */ /* make a copy of token before ptr and set yytoklen */
LEX_STRING get_token(LEX *lex,uint length) static LEX_STRING get_token(LEX *lex,uint length)
{ {
LEX_STRING tmp; LEX_STRING tmp;
yyUnget(); // ptr points now after last token char yyUnget(); // ptr points now after last token char
@ -229,8 +229,27 @@ LEX_STRING get_token(LEX *lex,uint length)
return tmp; return tmp;
} }
/* Return an unescaped text literal without quotes */ static LEX_STRING get_quoted_token(LEX *lex,uint length, char quote)
/* Fix sometimes to do only one scan of the string */ {
LEX_STRING tmp;
byte *from, *to, *end;
yyUnget(); // ptr points now after last token char
tmp.length=lex->yytoklen=length;
tmp.str=(char*) lex->thd->alloc(tmp.length+1);
for (from= (byte*) lex->tok_start, to= tmp.str, end= to+length ; to != end ;)
{
if ((*to++= *from++) == quote)
from++; // Skip double quotes
}
*to= 0; // End null for safety
return tmp;
}
/*
Return an unescaped text literal without quotes
Fix sometimes to do only one scan of the string
*/
static char *get_text(LEX *lex) static char *get_text(LEX *lex)
{ {
@ -667,14 +686,32 @@ int yylex(void *arg, void *yythd)
lex->ptr += l-1; lex->ptr += l-1;
} }
} }
yylval->lex_str=get_token(lex,yyLength());
} }
else else
#endif #endif
{ {
while ((c=yyGet()) && state_map[c] != STATE_USER_VARIABLE_DELIMITER && uint double_quotes= 0;
c != (uchar) NAMES_SEP_CHAR) ; char quote_char= c;
while ((c=yyGet()))
{
if (c == quote_char)
{
if (yyPeek() != quote_char)
break;
c=yyGet();
double_quotes++;
continue;
}
if (c == (uchar) NAMES_SEP_CHAR)
break;
}
if (double_quotes)
yylval->lex_str=get_quoted_token(lex,yyLength() - double_quotes,
quote_char);
else
yylval->lex_str=get_token(lex,yyLength());
} }
yylval->lex_str=get_token(lex,yyLength());
if (lex->convert_set) if (lex->convert_set)
lex->convert_set->convert((char*) yylval->lex_str.str,lex->yytoklen); lex->convert_set->convert((char*) yylval->lex_str.str,lex->yytoklen);
if (state_map[c] == STATE_USER_VARIABLE_DELIMITER) if (state_map[c] == STATE_USER_VARIABLE_DELIMITER)

2
sql/sql_yacc.yy
View File

@ -1071,6 +1071,8 @@ type:
$$=FIELD_TYPE_TINY; } $$=FIELD_TYPE_TINY; }
| BOOL_SYM { Lex->length=(char*) "1"; | BOOL_SYM { Lex->length=(char*) "1";
$$=FIELD_TYPE_TINY; } $$=FIELD_TYPE_TINY; }
| BOOLEAN_SYM { Lex->length=(char*) "1";
$$=FIELD_TYPE_TINY; }
| char '(' NUM ')' opt_binary { Lex->length=$3.str; | char '(' NUM ')' opt_binary { Lex->length=$3.str;
$$=FIELD_TYPE_STRING; } $$=FIELD_TYPE_STRING; }
| char opt_binary { Lex->length=(char*) "1"; | char opt_binary { Lex->length=(char*) "1";