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A fix and a test case for Bug#6513 "Test Suite: Values inserted by using

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cursor is interpreted latin1 character and Bug#9819 "Cursors: Mysql Server
Crash while fetching from table with 5 million records."
A fix for a possible memory leak when fetching into an SP cursor
in a long loop.
The patch uses a common implementation of cursors in the binary protocol and 
in stored procedures and implements materialized cursors.
For implementation details, see comments in sql_cursor.cc
This commit is contained in:
konstantin@mysql.com
2005-09-22 02:11:21 +04:00
parent e89c5220b5
commit 6f8d3c4844
30 changed files with 1567 additions and 857 deletions
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8
sql/handler.cc
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@ -1339,11 +1339,9 @@ int handler::ha_open(const char *name, int mode, int test_if_locked)
table->db_stat|=HA_READ_ONLY;
(void) extra(HA_EXTRA_NO_READCHECK); // Not needed in SQL
if (!alloc_root_inited(&table->mem_root)) // If temporary table
ref=(byte*) sql_alloc(ALIGN_SIZE(ref_length)*2);
else
ref=(byte*) alloc_root(&table->mem_root, ALIGN_SIZE(ref_length)*2);
if (!ref)
DBUG_ASSERT(alloc_root_inited(&table->mem_root));
if (!(ref= (byte*) alloc_root(&table->mem_root, ALIGN_SIZE(ref_length)*2)))
{
close();
error=HA_ERR_OUT_OF_MEM;