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Patch for BUG#30736: Row Size Too Large Error Creating a Table and

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Inserting Data.

The problem was that under some circumstances Field class was not
properly initialized before calling create_length_to_internal_length()
function, which led to assert failure.

The fix is to do the proper initialization.

The user-visible problem was that under some circumstances
CREATE TABLE ... SELECT statement crashed the server or led
to wrong error message (wrong results).
This commit is contained in:
anozdrin/alik@station.
2007-10-23 18:03:51 +04:00
parent 6fa35a5d3b
commit b2264ff810
3 changed files with 84 additions and 1 deletions
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2
sql/sql_table.cc
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@@ -955,8 +955,8 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
sql_field->length= dup_field->char_length;
sql_field->pack_length= dup_field->pack_length;
sql_field->key_length= dup_field->key_length;
sql_field->create_length_to_internal_length();
sql_field->decimals= dup_field->decimals;
sql_field->create_length_to_internal_length();
sql_field->unireg_check= dup_field->unireg_check;
/*
We're making one field from two, the result field will have