1 /* 2 * Copyright (C) 2008 - 2011 Vivien Malerba <malerba@gnome-db.org> 3 * Copyright (C) 2009 Murray Cumming <murrayc@murrayc.com> 4 * Copyright (C) 2011 Daniel Espinosa <despinosa@src.gnome.org> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef _GDA_STATEMENT_STRUCT_COMPOUND_H_ 23 #define _GDA_STATEMENT_STRUCT_COMPOUND_H_ 24 25 #include <glib.h> 26 #include <glib-object.h> 27 #include <sql-parser/gda-statement-struct-decl.h> 28 #include <sql-parser/gda-statement-struct-select.h> 29 30 G_BEGIN_DECLS 31 32 /* 33 * Kinds 34 */ 35 /** 36 * GdaSqlStatementCompoundType: 37 * @GDA_SQL_STATEMENT_COMPOUND_UNION: 38 * @GDA_SQL_STATEMENT_COMPOUND_UNION_ALL: 39 * @GDA_SQL_STATEMENT_COMPOUND_INTERSECT: 40 * @GDA_SQL_STATEMENT_COMPOUND_INTERSECT_ALL: 41 * @GDA_SQL_STATEMENT_COMPOUND_EXCEPT: 42 * @GDA_SQL_STATEMENT_COMPOUND_EXCEPT_ALL: 43 */ 44 typedef enum { 45 GDA_SQL_STATEMENT_COMPOUND_UNION, 46 GDA_SQL_STATEMENT_COMPOUND_UNION_ALL, 47 GDA_SQL_STATEMENT_COMPOUND_INTERSECT, 48 GDA_SQL_STATEMENT_COMPOUND_INTERSECT_ALL, 49 GDA_SQL_STATEMENT_COMPOUND_EXCEPT, 50 GDA_SQL_STATEMENT_COMPOUND_EXCEPT_ALL 51 } GdaSqlStatementCompoundType; 52 53 /* 54 * Structure definition 55 */ 56 /** 57 * GdaSqlStatementCompound: (skip) 58 * @any: 59 * @compound_type: 60 * @stmt_list: 61 */ 62 struct _GdaSqlStatementCompound { 63 GdaSqlAnyPart any; 64 GdaSqlStatementCompoundType compound_type; 65 GSList *stmt_list; /* list of SELECT or COMPOUND statements */ 66 67 /*< private >*/ 68 /* Padding for future expansion */ 69 gpointer _gda_reserved1; 70 gpointer _gda_reserved2; 71 }; 72 73 /* 74 * Common operations 75 */ 76 gpointer _gda_sql_statement_compound_copy (gpointer src); 77 void _gda_sql_statement_compound_free (gpointer stmt); 78 gchar *_gda_sql_statement_compound_serialize (gpointer stmt); 79 GdaSqlStatementContentsInfo *_gda_sql_statement_compound_get_infos (void); 80 81 /* 82 * compound specific operations 83 */ 84 gint _gda_sql_statement_compound_get_n_cols (GdaSqlStatementCompound *compound, GError **error); 85 GdaSqlAnyPart * _gda_sql_statement_compound_reduce (GdaSqlAnyPart *compound_or_select); 86 87 /* 88 * Functions used by the parser 89 */ 90 void gda_sql_statement_compound_set_type (GdaSqlStatement *stmt, GdaSqlStatementCompoundType type); 91 void gda_sql_statement_compound_take_stmt (GdaSqlStatement *stmt, GdaSqlStatement *s); 92 93 G_END_DECLS 94 95 #endif 96