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44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
/* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef SQL_DERIVED_INCLUDED
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#define SQL_DERIVED_INCLUDED
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struct TABLE_LIST;
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class THD;
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struct LEX;
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bool mysql_handle_derived(LEX *lex, uint phases);
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bool mysql_handle_single_derived(LEX *lex, TABLE_LIST *derived, uint phases);
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bool mysql_derived_reinit(THD *thd, LEX *lex, TABLE_LIST *derived);
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/**
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Cleans up the SELECT_LEX_UNIT for the derived table (if any).
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@param thd Thread handler
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@param lex LEX for this thread
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@param derived TABLE_LIST for the derived table
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@retval false Success
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@retval true Failure
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*/
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bool mysql_derived_cleanup(THD *thd, LEX *lex, TABLE_LIST *derived);
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Item *delete_not_needed_parts(THD *thd, Item *cond);
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bool pushdown_cond_for_derived(THD *thd, Item *cond, TABLE_LIST *derived);
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#endif /* SQL_DERIVED_INCLUDED */
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