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SQL: unit resolution Item_field not yet accessible [fixes #398]

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This commit is contained in:
Aleksey Midenkov
2017-12-14 18:40:57 +03:00
parent 1668efb722
commit f96815fe97
4 changed files with 28 additions and 6 deletions
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4
sql/sql_select.cc
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@ -895,6 +895,10 @@ int SELECT_LEX::vers_setup_conds(THD *thd, TABLE_LIST *tables, COND **where_expr
if (vers_conditions)
{
/* TODO: do resolve fix_length_and_dec(), fix_fields(). This requires
storing vers_conditions as Item and make some magic related to
UNIT_TIMESTAMP/UNIT_TRX_ID at stage of fix_fields()
(this is large refactoring). */
vers_conditions.resolve_units(timestamps_only);
if (timestamps_only && (vers_conditions.unit_start == UNIT_TRX_ID ||
vers_conditions.unit_end == UNIT_TRX_ID))