/usr/include/libgda-4.0/libgda/sql-parser/gda-statement-struct-parts.h is in libgda-4.0-dev 4.2.8-2build1.
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* Copyright (C) 2007 - 2008 Vivien Malerba
*
* This Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GDA_STATEMENT_STRUCT_PARTS_H
#define _GDA_STATEMENT_STRUCT_PARTS_H
#include <glib.h>
#include <glib-object.h>
#include <sql-parser/gda-statement-struct.h>
#include <sql-parser/gda-statement-struct-pspec.h>
#include <sql-parser/gda-statement-struct-decl.h>
#include <libgda/gda-meta-struct.h>
G_BEGIN_DECLS
typedef struct _GdaSqlExpr GdaSqlExpr;
typedef struct _GdaSqlField GdaSqlField;
typedef struct _GdaSqlTable GdaSqlTable;
typedef struct _GdaSqlFunction GdaSqlFunction;
typedef struct _GdaSqlOperation GdaSqlOperation;
typedef struct _GdaSqlCase GdaSqlCase;
typedef struct _GdaSqlSelectField GdaSqlSelectField;
typedef struct _GdaSqlSelectTarget GdaSqlSelectTarget;
typedef struct _GdaSqlSelectJoin GdaSqlSelectJoin;
typedef struct _GdaSqlSelectFrom GdaSqlSelectFrom;
typedef struct _GdaSqlSelectOrder GdaSqlSelectOrder;
/*
* Any Expression
*/
/**
* GdaSqlExpr:
* @any: inheritance structure
* @value: a #GValue, or %NULL. Please see specific note about this field.
* @param_spec: a #GdaSqlParamSpec, or %NULL if this is not a variable
* @func: not %NULL if expression is a function or aggregate
* @cond: not %NULL if expression is a condition or an operation
* @select: not %NULL if expression is a sub select statement (#GdaSqlStatementSelect or #GdaSqlStatementCompound)
* @case_s: not %NULL if expression is a CASE WHEN ... expression
* @cast_as: not %NULL if expression must be cast to another data type
* @value_is_ident: Please see specific note about the @value field
*
* This structure contains any expression, either as a value (the @value part is set),
* a variable (the @param_spec is set), or as other types of expressions.
*
* Note 1 about the @value field: if the expression represents a string value in the SQL statement,
* the string itself must be represented as it would be in the actual SQL, ie. it should be
* escaped (accordingly to the escaping rules of the database which will use the SQL). For
* example a string representing the <userinput>'joe'</userinput> value should be
* <userinput>"'joe'"</userinput> and not <userinput>"joe"</userinput>.
*
* Note 2 about the @value field: if the expression represents an SQL identifier (such as a table
* or field name), then the @value_is_ident should be set to %0x01, and @value should be a string
* which may contain double quotes around SQL identifiers which also are reserved keywords or which
* are case sensitive.
*/
struct _GdaSqlExpr {
GdaSqlAnyPart any;
GValue *value;
GdaSqlParamSpec *param_spec;
GdaSqlFunction *func;
GdaSqlOperation *cond;
GdaSqlAnyPart *select; /* SELECT OR COMPOUND statements: GdaSqlStatementSelect or GdaSqlStatementCompound */
GdaSqlCase *case_s;
gchar *cast_as;
gpointer value_is_ident; /* pointer to a boolean to keep ABI from 4.0.
* Non NULL if @value represents an SQL identifier
* Mem in _NOT_ allocated!
*/
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved2;
};
#define GDA_TYPE_SQL_EXPR (gda_sql_expr_get_type())
GType gda_sql_expr_get_type (void) G_GNUC_CONST;
GdaSqlExpr *gda_sql_expr_new (GdaSqlAnyPart *parent);
void gda_sql_expr_free (GdaSqlExpr *expr);
GdaSqlExpr *gda_sql_expr_copy (GdaSqlExpr *expr);
gchar *gda_sql_expr_serialize (GdaSqlExpr *expr);
void _gda_sql_expr_check_clean (GdaSqlExpr *expr);
void gda_sql_expr_take_select (GdaSqlExpr *expr, GdaSqlStatement *stmt);
/*
* Any Table's field
*/
struct _GdaSqlField {
GdaSqlAnyPart any;
gchar *field_name;
/* validity check with a connection */
GdaMetaTableColumn *validity_meta_table_column;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlField *gda_sql_field_new (GdaSqlAnyPart *parent);
void gda_sql_field_free (GdaSqlField *field);
GdaSqlField *gda_sql_field_copy (GdaSqlField *field);
gchar *gda_sql_field_serialize (GdaSqlField *field);
void _gda_sql_field_check_clean (GdaSqlField *field);
void gda_sql_field_take_name (GdaSqlField *field, GValue *value);
/*
* Any table
*/
struct _GdaSqlTable
{
GdaSqlAnyPart any;
gchar *table_name;
/* validity check with a connection */
GdaMetaDbObject *validity_meta_object;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlTable *gda_sql_table_new (GdaSqlAnyPart *parent);
void gda_sql_table_free (GdaSqlTable *table);
GdaSqlTable *gda_sql_table_copy (GdaSqlTable *table);
gchar *gda_sql_table_serialize (GdaSqlTable *table);
void _gda_sql_table_check_clean (GdaSqlTable *table);
void gda_sql_table_take_name (GdaSqlTable *table, GValue *value);
/*
* A function with any number of arguments
*/
struct _GdaSqlFunction {
GdaSqlAnyPart any;
gchar *function_name;
GSList *args_list;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlFunction *gda_sql_function_new (GdaSqlAnyPart *parent);
void gda_sql_function_free (GdaSqlFunction *function);
GdaSqlFunction *gda_sql_function_copy (GdaSqlFunction *function);
gchar *gda_sql_function_serialize (GdaSqlFunction *function);
void gda_sql_function_check_clean (GdaSqlFunction *function);
void gda_sql_function_take_name (GdaSqlFunction *function, GValue *value);
void gda_sql_function_take_args_list (GdaSqlFunction *function, GSList *args);
/*
* An operation on one or more expressions
*/
typedef enum {
GDA_SQL_OPERATOR_TYPE_AND,
GDA_SQL_OPERATOR_TYPE_OR,
GDA_SQL_OPERATOR_TYPE_EQ,
GDA_SQL_OPERATOR_TYPE_IS,
GDA_SQL_OPERATOR_TYPE_LIKE,
GDA_SQL_OPERATOR_TYPE_BETWEEN,
GDA_SQL_OPERATOR_TYPE_GT,
GDA_SQL_OPERATOR_TYPE_LT,
GDA_SQL_OPERATOR_TYPE_GEQ,
GDA_SQL_OPERATOR_TYPE_LEQ,
GDA_SQL_OPERATOR_TYPE_DIFF,
GDA_SQL_OPERATOR_TYPE_REGEXP,
GDA_SQL_OPERATOR_TYPE_REGEXP_CI,
GDA_SQL_OPERATOR_TYPE_NOT_REGEXP,
GDA_SQL_OPERATOR_TYPE_NOT_REGEXP_CI,
GDA_SQL_OPERATOR_TYPE_SIMILAR,
GDA_SQL_OPERATOR_TYPE_ISNULL,
GDA_SQL_OPERATOR_TYPE_ISNOTNULL,
GDA_SQL_OPERATOR_TYPE_NOT,
GDA_SQL_OPERATOR_TYPE_IN,
GDA_SQL_OPERATOR_TYPE_NOTIN,
GDA_SQL_OPERATOR_TYPE_CONCAT,
GDA_SQL_OPERATOR_TYPE_PLUS,
GDA_SQL_OPERATOR_TYPE_MINUS,
GDA_SQL_OPERATOR_TYPE_STAR,
GDA_SQL_OPERATOR_TYPE_DIV,
GDA_SQL_OPERATOR_TYPE_REM,
GDA_SQL_OPERATOR_TYPE_BITAND,
GDA_SQL_OPERATOR_TYPE_BITOR,
GDA_SQL_OPERATOR_TYPE_BITNOT
} GdaSqlOperatorType;
struct _GdaSqlOperation {
GdaSqlAnyPart any;
GdaSqlOperatorType operator_type;
GSList *operands;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlOperation *gda_sql_operation_new (GdaSqlAnyPart *parent);
void gda_sql_operation_free (GdaSqlOperation *operation);
GdaSqlOperation *gda_sql_operation_copy (GdaSqlOperation *operation);
gchar *gda_sql_operation_serialize (GdaSqlOperation *operation);
const gchar *gda_sql_operation_operator_to_string (GdaSqlOperatorType op);
GdaSqlOperatorType gda_sql_operation_operator_from_string (const gchar *op);
/*
* A CASE expression
*/
struct _GdaSqlCase
{
GdaSqlAnyPart any;
GdaSqlExpr *base_expr;
GSList *when_expr_list;
GSList *then_expr_list;
GdaSqlExpr *else_expr;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlCase *gda_sql_case_new (GdaSqlAnyPart *parent);
void gda_sql_case_free (GdaSqlCase *sc);
GdaSqlCase *gda_sql_case_copy (GdaSqlCase *sc);
gchar *gda_sql_case_serialize (GdaSqlCase *sc);
/*
* Any expression in a SELECT ... before the FROM clause
*/
struct _GdaSqlSelectField
{
GdaSqlAnyPart any;
GdaSqlExpr *expr;
gchar *field_name; /* may be NULL if expr does not refer to a table.field, can also be "*" */
gchar *table_name; /* may be NULL if expr does not refer to a table.field */
gchar *as;
/* validity check with a connection */
GdaMetaDbObject *validity_meta_object;
GdaMetaTableColumn *validity_meta_table_column;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlSelectField *gda_sql_select_field_new (GdaSqlAnyPart *parent);
void gda_sql_select_field_free (GdaSqlSelectField *field);
GdaSqlSelectField *gda_sql_select_field_copy (GdaSqlSelectField *field);
gchar *gda_sql_select_field_serialize (GdaSqlSelectField *field);
void _gda_sql_select_field_check_clean (GdaSqlSelectField *field);
void gda_sql_select_field_take_star_value(GdaSqlSelectField *field, GValue *value);
void gda_sql_select_field_take_expr (GdaSqlSelectField *field, GdaSqlExpr *expr);
void gda_sql_select_field_take_alias (GdaSqlSelectField *field, GValue *alias);
/*
* Any TARGET ... in a SELECT statement
*/
struct _GdaSqlSelectTarget
{
GdaSqlAnyPart any;
GdaSqlExpr *expr;
gchar *table_name; /* may be NULL if expr does not refer to a table */
gchar *as;
/* validity check with a connection */
GdaMetaDbObject *validity_meta_object;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlSelectTarget *gda_sql_select_target_new (GdaSqlAnyPart *parent);
void gda_sql_select_target_free (GdaSqlSelectTarget *target);
GdaSqlSelectTarget *gda_sql_select_target_copy (GdaSqlSelectTarget *target);
gchar *gda_sql_select_target_serialize (GdaSqlSelectTarget *target);
void _gda_sql_select_target_check_clean (GdaSqlSelectTarget *target);
void gda_sql_select_target_take_table_name (GdaSqlSelectTarget *target, GValue *value);
void gda_sql_select_target_take_select (GdaSqlSelectTarget *target, GdaSqlStatement *stmt);
void gda_sql_select_target_take_alias (GdaSqlSelectTarget *target, GValue *alias);
/*
* Any JOIN ... in a SELECT statement
*/
typedef enum {
GDA_SQL_SELECT_JOIN_CROSS,
GDA_SQL_SELECT_JOIN_NATURAL,
GDA_SQL_SELECT_JOIN_INNER,
GDA_SQL_SELECT_JOIN_LEFT,
GDA_SQL_SELECT_JOIN_RIGHT,
GDA_SQL_SELECT_JOIN_FULL
} GdaSqlSelectJoinType;
struct _GdaSqlSelectJoin
{
GdaSqlAnyPart any;
GdaSqlSelectJoinType type;
gint position; /* between a target at (pos < @position) and the one @position */
GdaSqlExpr *expr;
GSList *use; /* list of GdaSqlField pointers */
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlSelectJoin *gda_sql_select_join_new (GdaSqlAnyPart *parent);
void gda_sql_select_join_free (GdaSqlSelectJoin *join);
GdaSqlSelectJoin *gda_sql_select_join_copy (GdaSqlSelectJoin *join);
gchar *gda_sql_select_join_serialize (GdaSqlSelectJoin *join);
const gchar *gda_sql_select_join_type_to_string (GdaSqlSelectJoinType type);
/*
* Any FROM ... in a SELECT statement
*/
struct _GdaSqlSelectFrom
{
GdaSqlAnyPart any;
GSList *targets;
GSList *joins;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlSelectFrom *gda_sql_select_from_new (GdaSqlAnyPart *parent);
void gda_sql_select_from_free (GdaSqlSelectFrom *from);
GdaSqlSelectFrom *gda_sql_select_from_copy (GdaSqlSelectFrom *from);
gchar *gda_sql_select_from_serialize (GdaSqlSelectFrom *from);
void gda_sql_select_from_take_new_target(GdaSqlSelectFrom *from, GdaSqlSelectTarget *target);
void gda_sql_select_from_take_new_join (GdaSqlSelectFrom *from, GdaSqlSelectJoin *join);
/*
* Any expression in a SELECT ... after the ORDER BY
*/
struct _GdaSqlSelectOrder
{
GdaSqlAnyPart any;
GdaSqlExpr *expr;
gboolean asc;
gchar *collation_name;
/*< private >*/
/* Padding for future expansion */
gpointer _gda_reserved1;
gpointer _gda_reserved2;
};
GdaSqlSelectOrder *gda_sql_select_order_new (GdaSqlAnyPart *parent);
void gda_sql_select_order_free (GdaSqlSelectOrder *order);
GdaSqlSelectOrder *gda_sql_select_order_copy (GdaSqlSelectOrder *order);
gchar *gda_sql_select_order_serialize (GdaSqlSelectOrder *order);
G_END_DECLS
#endif
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