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many fixes

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libmysql/libmysql.c:
  Fixes a very rare bug when variable name (without '_') and it's 
  value are at the very end of the config file.
  
  I have tested it , but would liek little mobster to test it further
mysql-test/r/union.result:
  results for union test that proves that EXPLAIN UNION bugs are fixed
mysql-test/t/union.test:
  additional tests for EXPLAIN on UNION's that have previously failed
sql/sql_yacc.yy:
  Some small fixes for newer parsers.
  Only unsigned int yystacksize remains to be fixed.
  This I leave to Monty.
  Present fixes are only aesthetic and do not harm.
This commit is contained in:
unknown
2002-02-28 21:58:32 +02:00
parent ca2186187d
commit a7df512a8f
4 changed files with 26 additions and 5 deletions
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15
mysql-test/r/union.result
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@ -86,6 +86,21 @@ explain select a,b from t1 union all select a,b from t2;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
t2 ALL NULL NULL NULL NULL 4
explain select xx from t1 union select 1;
Unknown column 'xx' in 'field list'
explain select a,b from t1 union select 1;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
0 0 No tables used
explain select 1 union select a,b from t1 union select 1;
table type possible_keys key key_len ref rows Extra
0 0 No tables used
t1 ALL NULL NULL NULL NULL 4
0 0 No tables used
explain select a,b from t1 union select 1 limit 0;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 4
0 0 Impossible WHERE
select a,b from t1 into outfile 'skr' union select a,b from t2;
Wrong usage of UNION and INTO
select a,b from t1 order by a union select a,b from t2;

6
mysql-test/t/union.test
View File

@ -24,6 +24,12 @@ select 't1',b,count(*) from t1 group by b UNION select 't2',b,count(*) from t2 g
# Test some error conditions with UNION
explain select a,b from t1 union all select a,b from t2;
--error 1054
explain select xx from t1 union select 1;
explain select a,b from t1 union select 1;
explain select 1 union select a,b from t1 union select 1;
explain select a,b from t1 union select 1 limit 0;
--error 1221
select a,b from t1 into outfile 'skr' union select a,b from t2;