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odbc_descriptor.c
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odbc_descriptor.c
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/*
* Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the <ORGANIZATION> nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
*/
#include <string.h>
#include <windows.h>
#include <stdio.h>
#include "odbc_portable.h"
#include "odbc_descriptor.h"
#include "odbc_diag_record.h"
#include "odbc_util.h"
#include "odbc_statement.h"
#include "odbc_type.h"
#include "sqlext.h"
#define CUBRID_NUMERIC_PRECISION_DEFAULT 15
#define CUBRID_NUMERIC_SCALE_DEFAULT 0
PRIVATE int is_header_field (short desc_field_id);
PRIVATE int odbc_consistency_check (ODBC_RECORD * record);
PRIVATE short is_read_only_field (short field_id);
PRIVATE void header_desc_field_copy (ODBC_DESC * source_desc,
ODBC_DESC * dest_desc);
PRIVATE void record_desc_field_copy (ODBC_DESC * source_desc,
ODBC_DESC * dest_desc);
PRIVATE short odbc_type_searchable (short type);
/************************************************************************
* name: odbc_alloc_desc
* arguments:
* returns/side-effects:
* description:
* NOTE:
* con이 null이 아니면 con에 연결된 explicit desc로 간주한다.
************************************************************************/
PUBLIC RETCODE
odbc_alloc_desc (ODBC_CONNECTION * conn, ODBC_DESC ** desc_ptr)
{
ODBC_DESC *desc_node;
if (desc_ptr == NULL)
{
if (conn != NULL)
odbc_set_diag (conn->diag, "HY090", 0, NULL);
goto error;
}
desc_node = (ODBC_DESC *) UT_ALLOC (sizeof (ODBC_DESC));
if (desc_node == NULL)
{
if (conn != NULL)
odbc_set_diag (conn->diag, "HY001", 0, NULL);
goto error;
}
/* init members */
desc_node->handle_type = SQL_HANDLE_DESC;
desc_node->diag = odbc_alloc_diag ();
desc_node->stmt = NULL; /* set in odbc_alloc_stmt */
desc_node->conn = NULL;
desc_node->records = NULL;
desc_node->alloc_type = SQL_DESC_ALLOC_AUTO;
desc_node->array_size = 1;
desc_node->fetched_size = -1;
desc_node->array_status_ptr = NULL;
desc_node->bind_offset_ptr = NULL;
desc_node->bind_type = SQL_BIND_BY_COLUMN; /* equal to SQL_PARAM_BY_COLUMN */
desc_node->max_count = 0;
desc_node->rows_processed_ptr = NULL;
/* for explicit */
if (conn != NULL)
{
desc_node->alloc_type = SQL_DESC_ALLOC_USER;
desc_node->next = conn->descriptors;
conn->descriptors = desc_node;
}
*desc_ptr = desc_node;
return ODBC_SUCCESS;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_free_desc
* arguments:
* returns/side-effects:
* description:
* NOTE:
* desc->con이 null이 아니면 con에 연결된 explicit desc로 간주한다.
************************************************************************/
PUBLIC RETCODE
odbc_free_desc (ODBC_DESC * desc)
{
ODBC_DESC *d, *prev;
if (desc == NULL)
{
goto error;
}
// for explicit, remove link with connection handle
if (desc->conn != NULL)
{
for (d = desc->conn->descriptors, prev = NULL;
d != NULL && d != desc; d = d->next)
{
prev = d;
}
if (d == desc)
{
if (prev != NULL)
prev->next = desc->next;
else
desc->conn->descriptors = desc->next;
}
}
odbc_free_all_records (desc->records);
desc->records = NULL;
odbc_free_diag (desc->diag, FREE_ALL);
desc->diag = NULL;
UT_FREE (desc);
return ODBC_SUCCESS;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_alloc_record
* arguments:
* returns/side-effects:
* description:
* NOTE:
* record handle은 정의도 안 되었을뿐만 아니라, 외부에서 직접적으로 사용할
* 일이 없으므로 NULL을 허용한다.
* - error messaging
************************************************************************/
PUBLIC RETCODE
odbc_alloc_record (ODBC_DESC * desc, ODBC_RECORD ** rec, int rec_number)
{
ODBC_RECORD *rec_node;
if (desc == NULL)
{
goto error;
}
if (rec_number < 0)
{
goto error;
}
if (find_record_from_desc (desc, rec_number) != NULL)
{
/* alreay existing record */
goto error;
}
rec_node = (ODBC_RECORD *) UT_ALLOC (sizeof (ODBC_RECORD));
if (rec_node == NULL)
{
goto error;
}
if (rec_number > desc->max_count)
{
desc->max_count = rec_number;
}
/* init record members */
rec_node->auto_unique_value = SQL_FALSE;
rec_node->base_column_name = NULL;
rec_node->base_table_name = NULL;
rec_node->case_sensitive = SQL_FALSE;
rec_node->catalog_name = NULL;
rec_node->concise_type = SQL_C_DEFAULT;
rec_node->data_ptr = NULL;
rec_node->datetime_interval_code = 0;
rec_node->datetime_interval_precision = 0;
rec_node->display_size = 0;
rec_node->fixed_prec_scale = SQL_FALSE;
rec_node->indicator_ptr = NULL;
rec_node->length = 0; /* ??? */
rec_node->literal_prefix = NULL;
rec_node->literal_suffix = NULL;
rec_node->local_type_name = NULL;
rec_node->name = NULL;
rec_node->nullable = SQL_NULLABLE_UNKNOWN;
rec_node->num_prec_radix = 0;
rec_node->octet_length = 0;
rec_node->octet_length_ptr = NULL;
rec_node->parameter_type = SQL_PARAM_INPUT;
rec_node->precision = 0;
rec_node->rowver = SQL_FALSE;
rec_node->schema_name = NULL;
rec_node->searchable = SQL_PRED_NONE;
rec_node->table_name = NULL;
rec_node->type = SQL_C_DEFAULT;
rec_node->type_name = NULL;
rec_node->unnamed = SQL_UNNAMED;
rec_node->unsigned_type = SQL_FALSE;
rec_node->updatable = SQL_ATTR_READWRITE_UNKNOWN;
rec_node->record_number = rec_number;
rec_node->desc = desc;
rec_node->next = desc->records;
desc->records = rec_node;
if (rec != NULL)
{
*rec = rec_node;
}
return ODBC_SUCCESS;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_free_record
* arguments:
* returns/side-effects:
* description:
* NOTE:
************************************************************************/
PUBLIC RETCODE
odbc_free_record (ODBC_RECORD * record)
{
ODBC_RECORD *r, *prev;
if (record == NULL)
{
goto error;
}
NA_FREE (record->base_column_name);
NA_FREE (record->base_table_name);
NA_FREE (record->catalog_name);
NA_FREE (record->literal_prefix);
NA_FREE (record->literal_suffix);
NA_FREE (record->local_type_name);
NA_FREE (record->name);
NA_FREE (record->schema_name);
NA_FREE (record->table_name);
NA_FREE (record->type_name);
// remove link from descriptor
if (record->desc != NULL)
{
for (r = record->desc->records, prev = NULL; r != NULL && r != record;
r = r->next)
{
prev = r;
}
if (r == record)
{
if (prev != NULL)
prev->next = record->next;
else
record->desc->records = record->next;
}
}
UT_FREE (record);
return ODBC_SUCCESS;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_free_all_records
* arguments:
* returns/side-effects:
* description:
* NOTE:
************************************************************************/
PUBLIC RETCODE
odbc_free_all_records (ODBC_RECORD * head_record)
{
ODBC_RECORD *now, *deleted_node;
if (head_record == NULL)
{
goto error;
}
for (now = head_record; now != NULL;)
{
deleted_node = now;
now = now->next;
odbc_free_record (deleted_node);
deleted_node = NULL;
}
return ODBC_SUCCESS;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_get_desc_field
* arguments:
* returns/side-effects:
* description:
* NOTE:
* BASE_COLUMN_NAME, NAME, LABEL are same as SQL_DESC_NAME
************************************************************************/
PUBLIC RETCODE
odbc_get_desc_field (ODBC_DESC * desc,
SQLSMALLINT rec_number,
SQLSMALLINT field_id,
SQLPOINTER value_ptr,
SQLLEN buffer_length, SQLLEN * string_length_ptr)
{
RETCODE status = ODBC_SUCCESS, rc;
ODBC_RECORD *record;
char *pt;
char empty_str[1] = "";
if (is_header_field (field_id) == 1)
{
/* header field */
switch (field_id)
{
case SQL_DESC_COUNT:
if (value_ptr != NULL)
*(short *) value_ptr = desc->max_count;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->max_count);
break;
case SQL_DESC_ALLOC_TYPE:
if (value_ptr != NULL)
*(short *) value_ptr = desc->alloc_type;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->alloc_type);
break;
case SQL_DESC_ARRAY_SIZE:
if (value_ptr != NULL)
*(unsigned long *) value_ptr = desc->array_size;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->array_status_ptr);
break;
case SQL_DESC_ARRAY_STATUS_PTR:
if (value_ptr != NULL)
*(unsigned short **) value_ptr = desc->array_status_ptr;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->array_status_ptr);
break;
case SQL_DESC_BIND_OFFSET_PTR:
if (value_ptr != NULL)
*(long long **) value_ptr = desc->bind_offset_ptr;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->bind_offset_ptr);
break;
case SQL_DESC_BIND_TYPE:
if (value_ptr != NULL)
*(long *) value_ptr = desc->bind_type;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->bind_type);
break;
case SQL_DESC_ROWS_PROCESSED_PTR:
if (value_ptr != NULL)
*(unsigned long long **) value_ptr = desc->rows_processed_ptr;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (desc->rows_processed_ptr);
break;
default:
/* unknown field */
odbc_set_diag (desc->diag, "HY091", 0, NULL);
goto error;
}
}
else
{
/* record filed */
if (rec_number < 0)
{
odbc_set_diag (desc->diag, "07009", 0, NULL);
goto error;
}
record = find_record_from_desc (desc, rec_number);
if (record == NULL)
{
odbc_set_diag (desc->diag, "07009", 0, NULL);
goto error;
}
switch (field_id)
{
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_LABEL:
case SQL_DESC_NAME:
if (record->name != NULL)
{
pt = record->name;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_CASE_SENSITIVE:
if (value_ptr != NULL)
*(long *) value_ptr = record->case_sensitive;
if (string_length_ptr != NULL)
*string_length_ptr = sizeof (record->case_sensitive);
break;
case SQL_DESC_CONCISE_TYPE:
if (value_ptr != NULL)
{
if (record->concise_type == SQL_BLOB)
{
*(short *) value_ptr = SQL_LONGVARBINARY;
}
else if (record->concise_type == SQL_CLOB)
{
*(short *) value_ptr = SQL_LONGVARCHAR;
}
else
{
*(short *) value_ptr = record->concise_type;
}
}
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->concise_type);
}
break;
case SQL_DESC_DATA_PTR:
if (value_ptr != NULL)
*(void **) value_ptr = record->data_ptr;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->data_ptr);
}
break;
case SQL_DESC_DATETIME_INTERVAL_CODE:
if (value_ptr != NULL)
*(short *) value_ptr = record->datetime_interval_code;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->datetime_interval_code);
}
break;
case SQL_DESC_DATETIME_INTERVAL_PRECISION:
if (value_ptr != NULL)
*(long *) value_ptr = record->datetime_interval_precision;
if (string_length_ptr != NULL)
{
*string_length_ptr =
sizeof (record->datetime_interval_precision);
}
break;
case SQL_DESC_DISPLAY_SIZE:
if (value_ptr != NULL)
*(long *) value_ptr = record->display_size;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->display_size);
}
break;
case SQL_DESC_FIXED_PREC_SCALE:
if (value_ptr != NULL)
*(short *) value_ptr = record->fixed_prec_scale;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->fixed_prec_scale);
}
break;
case SQL_DESC_INDICATOR_PTR:
if (value_ptr != NULL)
*(long **) value_ptr = record->indicator_ptr;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->indicator_ptr);
}
break;
case SQL_DESC_LENGTH:
if (value_ptr != NULL)
switch(record->type){
case SQL_CHAR:
case SQL_VARCHAR:
*(SQLULEN *) value_ptr = record->length;
default:
*(unsigned long *) value_ptr = record->length;
}
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->length);
}
break;
case SQL_COLUMN_LENGTH: // for 2.x backward compatibility
if (value_ptr != NULL)
*(unsigned long *) value_ptr = record->length;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->length);
}
break;
case SQL_DESC_LITERAL_PREFIX:
if (record->literal_prefix != NULL)
{
pt = record->literal_prefix;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_LITERAL_SUFFIX:
if (record->literal_suffix != NULL)
{
pt = record->literal_suffix;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_LOCAL_TYPE_NAME:
if (record->local_type_name != NULL)
{
pt = record->local_type_name;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_NULLABLE:
if (value_ptr != NULL)
*(short *) value_ptr = record->nullable;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->nullable);
}
break;
case SQL_DESC_NUM_PREC_RADIX:
if (value_ptr != NULL)
*(long *) value_ptr = record->num_prec_radix;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->num_prec_radix);
}
break;
case SQL_DESC_OCTET_LENGTH:
if (value_ptr != NULL)
*(long *) value_ptr = record->octet_length;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->octet_length);
}
break;
case SQL_DESC_OCTET_LENGTH_PTR:
if (value_ptr != NULL)
*(long **) value_ptr = record->octet_length_ptr;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->octet_length_ptr);
}
break;
case SQL_DESC_PARAMETER_TYPE:
if (value_ptr != NULL)
*(short *) value_ptr = record->parameter_type;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->parameter_type);
}
break;
case SQL_DESC_PRECISION:
case SQL_COLUMN_PRECISION: // for 2.x backward compatibility
if (value_ptr != NULL)
*(short *) value_ptr = record->precision;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->precision);
}
break;
case SQL_DESC_SCALE:
case SQL_COLUMN_SCALE: // for 2.x backward compatibility
if (value_ptr != NULL)
*(short *) value_ptr = record->scale;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->scale);
}
break;
case SQL_DESC_SEARCHABLE:
if (value_ptr != NULL)
*(short *) value_ptr = record->searchable;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->searchable);
}
break;
case SQL_DESC_TABLE_NAME:
case SQL_DESC_BASE_TABLE_NAME: /* 따로 지원하지 않고 TABLE_NAME과 같이 쓴다. */
if (record->table_name != NULL)
{
pt = record->table_name;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_TYPE:
if (value_ptr != NULL)
*(short *) value_ptr = record->type;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->type);
}
break;
case SQL_DESC_TYPE_NAME:
if (record->type_name != NULL)
{
pt = record->type_name;
}
else
{
pt = empty_str;
}
rc =
str_value_assign (pt, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_UNNAMED:
if (value_ptr != NULL)
*(short *) value_ptr = record->unnamed;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->unnamed);
}
break;
case SQL_DESC_UNSIGNED:
if (value_ptr != NULL)
*(short *) value_ptr = record->unsigned_type;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (record->unsigned_type);
}
break;
case SQL_DESC_AUTO_UNIQUE_VALUE:
// there is no auto unique attribute in CUBRID
if (value_ptr != NULL)
*(long *) value_ptr = SQL_FALSE;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (long);
}
break;
case SQL_DESC_CATALOG_NAME:
case SQL_DESC_SCHEMA_NAME:
// empty string
rc =
str_value_assign (empty_str, value_ptr, buffer_length,
string_length_ptr);
if (rc == ODBC_SUCCESS_WITH_INFO)
{
odbc_set_diag (desc->diag, "01004", 0, NULL);
}
break;
case SQL_DESC_ROWVER:
// there is no rowver attribute in CUBRID
if (value_ptr != NULL)
*(short *) value_ptr = SQL_FALSE;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (short);
}
break;
case SQL_DESC_UPDATABLE:
// always READWRITE_UNKNOWN
if (value_ptr != NULL)
*(short *) value_ptr = SQL_ATTR_READWRITE_UNKNOWN;
if (string_length_ptr != NULL)
{
*string_length_ptr = sizeof (short);
}
break;
default:
odbc_set_diag (desc->diag, "HY091", 0, NULL);
goto error;
}
}
return status;
error:
return ODBC_ERROR;
}
/************************************************************************
* name: odbc_get_desc_rec
* arguments:
* returns/side-effects:
* description:
* NOTE:
************************************************************************/
PUBLIC RETCODE
odbc_get_desc_rec (ODBC_DESC * desc,
SQLSMALLINT rec_number,
SQLCHAR * name,
SQLSMALLINT buffer_length,
SQLSMALLINT * string_length_ptr,
SQLSMALLINT * type_ptr,
SQLSMALLINT * subtype_ptr,
SQLLEN * length_ptr,
SQLSMALLINT * precision_ptr,
SQLSMALLINT * scale_ptr, SQLSMALLINT * nullable_ptr)
{
ODBC_RECORD *record = NULL;
SQLLEN tmp_length;
record = find_record_from_desc (desc, rec_number);
if (record == NULL)
{
odbc_set_diag (desc->diag, "07009", 0, NULL);
return ODBC_NO_DATA;
}
/* WARN : type converting string_length_ptr(short*) -> (long*) */
odbc_get_desc_field (desc, rec_number, SQL_DESC_NAME,
(void *) name, buffer_length, &tmp_length);
*string_length_ptr = (SQLSMALLINT) tmp_length;
odbc_get_desc_field (desc, rec_number, SQL_DESC_TYPE,
(void *) type_ptr, 0, NULL);
odbc_get_desc_field (desc, rec_number, SQL_DESC_DATETIME_INTERVAL_CODE,
(void *) subtype_ptr, 0, NULL);
odbc_get_desc_field (desc, rec_number, SQL_DESC_OCTET_LENGTH,
(void *) length_ptr, 0, NULL);
odbc_get_desc_field (desc, rec_number, SQL_DESC_PRECISION,
(void *) precision_ptr, 0, NULL);
odbc_get_desc_field (desc, rec_number, SQL_DESC_SCALE,
(void *) scale_ptr, 0, NULL);
odbc_get_desc_field (desc, rec_number, SQL_DESC_NULLABLE,
(void *) nullable_ptr, 0, NULL);
return ODBC_SUCCESS;
}
/************************************************************************
* name: odbc_set_desc_field
* arguments:
* returns/side-effects:
* description:
* NOTE:
* CHECK : consistency
* 일부 consistency check가 odbc_set_desc_rec에서 이루어진다. 참고..
************************************************************************/
PUBLIC RETCODE
odbc_set_desc_field (ODBC_DESC * desc,
short rec_number,
short field_id,
void *value_ptr, long buffer_length, short is_driver)
{
ODBC_RECORD *record;
RETCODE status = ODBC_SUCCESS;
int i;
if (is_driver != 1 && is_read_only_field (field_id) == _TRUE_)
{
odbc_set_diag (desc->diag, "HY091", 0, NULL);
DEBUG_TIMESTAMP(odbc_set_desc_field_NODATA);
goto error;
}
if (is_header_field (field_id) == 1)
{
/* header field */
switch (field_id)
{
case SQL_DESC_ALLOC_TYPE:
desc->alloc_type = (short) value_ptr;
break;
case SQL_DESC_ARRAY_SIZE:
DEBUG_TIMESTAMP(SQL_DESC_ARRAY_SIZE);
desc->array_size = (unsigned long) value_ptr;
break;
case SQL_DESC_ARRAY_STATUS_PTR:
desc->array_status_ptr = value_ptr;
break;
case SQL_DESC_BIND_OFFSET_PTR:
desc->bind_offset_ptr = value_ptr;
break;
case SQL_DESC_BIND_TYPE:
desc->bind_type = (long) value_ptr;
break;
case SQL_DESC_COUNT:
if ((short) value_ptr < desc->max_count)
{
for (i = desc->max_count; i > (short) value_ptr && i > 0; --i)
{
record = find_record_from_desc (desc, i);
if (record != NULL)
{
odbc_free_record (record);
}
}
}
desc->max_count = (short) value_ptr;
break;
case SQL_DESC_ROWS_PROCESSED_PTR:
desc->rows_processed_ptr = value_ptr;
break;
default:
odbc_set_diag (desc->diag, "HY091", 0, NULL);
goto error;
}
}
else
{
/* record filed */
if (rec_number < 0)
{
odbc_set_diag (desc->diag, "07009", 0, NULL);
goto error;
}
record = find_record_from_desc (desc, rec_number);
if (record == NULL)
{
odbc_alloc_record (desc, &record, rec_number);
}