[2002-03-28]

1) Prepare to separate 4 kinds of Descriptor handles.
2) Detect the transaction status more naturally.
3) Improve Parse Statement functionality for the use
   of updatable cursors.
4) Improve updatable cursors.
5) Implement SQLGetDescField() and improve SQLColAttribute().
6) etc.

1 files changed, 96 insertions, 0 deletions

diff --git a/src/interfaces/odbc/descriptor.h b/src/interfaces/odbc/descriptor.h
new file mode 100644
index 00000000000..58036914ada
--- /dev/null
+++ b/src/interfaces/odbc/descriptor.h
@@ -0,0 +1,96 @@
+/* File:			descriptor.h
+ *
+ * Description:		This file contains defines and declarations that are related to
+ *					the entire driver.
+ *
+ * Comments:		See "notice.txt" for copyright and license information.
+ *
+ * $Id: descriptor.h,v 1.1 2002/03/28 08:08:02 inoue Exp $
+ *
+ */
+
+#ifndef __DESCRIPTOR_H__
+#define __DESCRIPTOR_H__
+
+#include "psqlodbc.h"
+
+typedef struct
+{
+	COL_INFO	*col_info; /* cached SQLColumns info for this table */
+	char		name[MAX_TABLE_LEN + 1];
+	char		alias[MAX_TABLE_LEN + 1];
+} TABLE_INFO;
+
+typedef struct
+{
+	TABLE_INFO *ti;		/* resolve to explicit table names */
+	int			column_size; /* precision in 2.x */
+	int			decimal_digits; /* scale in 2.x */
+	int			display_size;
+	int			length;
+	int			type;
+	char		nullable;
+	char		func;
+	char		expr;
+	char		quote;
+	char		dquote;
+	char		numeric;
+	char		updatable;
+	char		dot[MAX_TABLE_LEN + 1];
+	char		name[MAX_COLUMN_LEN + 1];
+	char		alias[MAX_COLUMN_LEN + 1];
+} FIELD_INFO;
+
+struct ARDFields_
+{
+	StatementClass	*stmt;
+	int		rowset_size;
+	int		bind_size;	/* size of each structure if using Row
+							* Binding */
+	UInt2		*row_operation_ptr;
+	UInt4		*row_offset_ptr;
+	BindInfoClass	*bookmark;
+	BindInfoClass	*bindings;
+	int		allocated;
+};
+
+struct APDFields_
+{
+	StatementClass	*stmt;
+	int		paramset_size;
+	int		param_bind_type; /* size of each structure if using Param
+						* Binding */
+	UInt2			*param_operation_ptr;
+	UInt4			*param_offset_ptr;
+	ParameterInfoClass	*parameters;
+	int			allocated;
+};
+
+struct IRDFields_
+{
+	StatementClass	*stmt;
+	UInt4		*rowsFetched;
+	UInt2		*rowStatusArray;
+	UInt4		nfields;
+	FIELD_INFO	**fi;
+};
+
+struct IPDFields_
+{
+	StatementClass	*stmt;
+	UInt4		*param_processed_ptr;
+	UInt2		*param_status_ptr;
+};
+
+void	InitializeARDFields(ARDFields *self);
+void	InitializeAPDFields(APDFields *self);
+/* void	InitializeIRDFields(IRDFields *self);
+void	InitializeIPDFiedls(IPDFields *self); */
+void	ARDFields_free(ARDFields *self);
+void	APDFields_free(APDFields *self);
+void	IRDFields_free(IRDFields *self);
+void	IPDFields_free(IPDFields *self);
+void	ARD_unbind_cols(ARDFields *self, BOOL freeall);
+void	APD_free_params(APDFields *self, char option);
+
+#endif