semantic_check.h

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/*
 * Copyright 2008 Search Solution Corporation
 * Copyright 2016 CUBRID Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */


/*
 * semantic_check.h - contains semantic check prototypes
 */

#ifndef _SEMANTIC_CHECK_H_
#define _SEMANTIC_CHECK_H_

#ident "$Id$"

typedef enum
{
  STATEMENT_SET_FOLD_NOTHING = 0,
  STATEMENT_SET_FOLD_AS_NULL,
  STATEMENT_SET_FOLD_AS_ARG1,
  STATEMENT_SET_FOLD_AS_ARG2
} STATEMENT_SET_FOLD;

extern int pt_class_assignable (PARSER_CONTEXT * parser, const PT_NODE * d_class, const PT_NODE * s_class);

extern PT_NODE *pt_type_cast_vclass_query_spec_column (PARSER_CONTEXT * parser, PT_NODE * attr, PT_NODE * col);

extern PT_NODE *pt_check_union_compatibility (PARSER_CONTEXT * parser, PT_NODE * node);

extern PT_NODE *pt_check_type_compatibility_of_values_query (PARSER_CONTEXT * parser, PT_NODE * node);

extern PT_NODE *pt_check_union_type_compatibility_of_values_query (PARSER_CONTEXT * parser, PT_NODE * node);

extern PT_NODE *pt_semantic_quick_check_node (PARSER_CONTEXT * parser, PT_NODE ** spec, PT_NODE ** node);

extern PT_NODE *pt_semantic_check (PARSER_CONTEXT * parser, PT_NODE * statement);

extern PT_NODE *pt_invert (PARSER_CONTEXT * parser, PT_NODE * name_expr, PT_NODE * result);
#if defined (ENABLE_UNUSED_FUNCTION)
extern PT_NODE *pt_find_attr_def (const PT_NODE * attr_def_list, const PT_NODE * name);
extern PT_NODE *pt_find_cnstr_def (const PT_NODE * cnstr_def_list, const PT_NODE * name);
#endif

extern PT_NODE *pt_insert_entity (PARSER_CONTEXT * parser, PT_NODE * node, PT_NODE * prev_entity,
                  PT_NODE * correlation_spec);
extern PT_NODE *pt_find_class_of_index (PARSER_CONTEXT * parser, const char *const index_name,
                    const DB_CONSTRAINT_TYPE index_type);
extern int pt_has_text_domain (PARSER_CONTEXT * parser, DB_ATTRIBUTE * attribute);
extern PT_NODE *pt_find_order_value_in_list (PARSER_CONTEXT * parser, const PT_NODE * sort_value,
                         const PT_NODE * order_list);
extern bool pt_check_cast_op (PARSER_CONTEXT * parser, PT_NODE * node);
extern bool pt_check_compatible_node_for_orderby (PARSER_CONTEXT * parser, PT_NODE * order, PT_NODE * column);
extern PT_NODE *pt_check_odku_assignments (PARSER_CONTEXT * parser, PT_NODE * insert);
extern int pt_attr_check_default_cs_coll (PARSER_CONTEXT * parser, PT_NODE * attr, int default_cs, int default_coll);
extern PT_NODE *pt_check_cyclic_reference_in_view_spec (PARSER_CONTEXT * parser, PT_NODE * node, void *arg,
                            int *continue_walk);
extern void pt_try_remove_order_by (PARSER_CONTEXT * parser, PT_NODE * query);

extern STATEMENT_SET_FOLD pt_check_union_is_foldable (PARSER_CONTEXT * parser, PT_NODE * union_node);

extern PT_NODE *pt_fold_union (PARSER_CONTEXT * parser, PT_NODE * union_node, STATEMENT_SET_FOLD fold_as);

#endif /* _SEMANTIC_CHECK_H_ */