/*
 *	PROGRAM:	JRD access method
 *	MODULE:		dsc.h
 *	DESCRIPTION:	Definitions associated with descriptors
 *
 * The contents of this file are subject to the Interbase Public
 * License Version 1.0 (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.Inprise.com/IPL.html
 *
 * Software distributed under the License is distributed on an
 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code was created by Inprise Corporation
 * and its predecessors. Portions created by Inprise Corporation are
 * Copyright (C) Inprise Corporation.
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 * 2002.04.16  Paul Beach - HP10 Define changed from -4 to (-4) to make it
 *             compatible with the HP Compiler
 */

#ifndef JRD_DSC_PUB_H
#define JRD_DSC_PUB_H


/*
 * The following flags are used in an internal structure dsc (dsc.h) or in the external one paramdsc (ibase.h)
 */

/* values for dsc_flags
 * Note: DSC_null is only reliably set for local variables (blr_variable)
 */
#define DSC_null		1
#define DSC_no_subtype		2	/* dsc has no sub type specified */
#define DSC_nullable  		4	/* not stored. instead, is derived
								   from metadata primarily to flag
								   SQLDA (in DSQL)               */

/* Overload text typing information into the dsc_sub_type field.
 * See intl.h for definitions of text types
 * Moved to dsc.h only for C++ as an inline function.

 * #ifndef dsc_ttype
 * #define dsc_ttype	dsc_sub_type
 * #endif
 * Data types
 *
 * WARNING: if you add another manifest constant to this group, then you
 * must add another entry to the array compare_priority in jrd/cvt2.cpp.
 *
 *
 * Note that dtype_null actually means that we do not yet know the
 * dtype for this descriptor.  A nice cleanup item would be to globally
 * change it to dtype_unknown.  --chrisj 1999-02-17
 * Name changed on 2003.12.17 by CVC.
 */
#define dtype_unknown	0
#define dtype_text	1
#define dtype_cstring	2
#define dtype_varying	3

#define dtype_packed	6
#define dtype_byte	7
#define dtype_short	8
#define dtype_long	9
#define dtype_quad	10
#define dtype_real	11
#define dtype_double	12
#define dtype_d_float	13
#define dtype_sql_date	14
#define dtype_sql_time	15
#define dtype_timestamp	16
#define dtype_blob	17
#define dtype_array	18
#define dtype_int64     19
#define DTYPE_TYPE_MAX	20


#define ISC_TIME_SECONDS_PRECISION		10000L
#define ISC_TIME_SECONDS_PRECISION_SCALE	(-4)

#endif /* JRD_DSC_PUB_H */