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pgapi30.c
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pgapi30.c
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/*-------
* Module: pgapi30.c
*
* Description: This module contains routines related to ODBC 3.0
* most of their implementations are temporary
* and must be rewritten properly.
* 2001/07/23 inoue
*
* Classes: n/a
*
* API functions: PGAPI_ColAttribute, PGAPI_GetDiagRec,
PGAPI_GetConnectAttr, PGAPI_GetStmtAttr,
PGAPI_SetConnectAttr, PGAPI_SetStmtAttr
*-------
*/
#include "psqlodbc.h"
#include "misc.h"
#include <stdio.h>
#include <string.h>
#include "environ.h"
#include "connection.h"
#include "statement.h"
#include "descriptor.h"
#include "qresult.h"
#include "pgapifunc.h"
#include "loadlib.h"
#include "dlg_specific.h"
/* SQLError -> SQLDiagRec */
RETCODE SQL_API
PGAPI_GetDiagRec(SQLSMALLINT HandleType, SQLHANDLE Handle,
SQLSMALLINT RecNumber, SQLCHAR *Sqlstate,
SQLINTEGER *NativeError, SQLCHAR *MessageText,
SQLSMALLINT BufferLength, SQLSMALLINT *TextLength)
{
RETCODE ret;
MYLOG(0, "entering type=%d rec=%d buffer=%d\n", HandleType, RecNumber, BufferLength);
switch (HandleType)
{
case SQL_HANDLE_ENV:
ret = PGAPI_EnvError(Handle, RecNumber, Sqlstate,
NativeError, MessageText,
BufferLength, TextLength, 0);
break;
case SQL_HANDLE_DBC:
ret = PGAPI_ConnectError(Handle, RecNumber, Sqlstate,
NativeError, MessageText, BufferLength,
TextLength, 0);
break;
case SQL_HANDLE_STMT:
ret = PGAPI_StmtError(Handle, RecNumber, Sqlstate,
NativeError, MessageText, BufferLength,
TextLength, 0);
break;
case SQL_HANDLE_DESC:
ret = PGAPI_DescError(Handle, RecNumber, Sqlstate,
NativeError,
MessageText, BufferLength,
TextLength, 0);
break;
default:
ret = SQL_ERROR;
}
MYLOG(0, "leaving %d\n", ret);
return ret;
}
/*
* Minimal implementation.
*
*/
RETCODE SQL_API
PGAPI_GetDiagField(SQLSMALLINT HandleType, SQLHANDLE Handle,
SQLSMALLINT RecNumber, SQLSMALLINT DiagIdentifier,
PTR DiagInfoPtr, SQLSMALLINT BufferLength,
SQLSMALLINT *StringLengthPtr)
{
RETCODE ret = SQL_ERROR, rtn;
ConnectionClass *conn;
StatementClass *stmt;
SQLLEN rc;
SQLSMALLINT pcbErrm;
ssize_t rtnlen = -1;
int rtnctype = SQL_C_CHAR;
MYLOG(0, "entering rec=%d\n", RecNumber);
switch (HandleType)
{
case SQL_HANDLE_ENV:
switch (DiagIdentifier)
{
case SQL_DIAG_CLASS_ORIGIN:
case SQL_DIAG_SUBCLASS_ORIGIN:
case SQL_DIAG_CONNECTION_NAME:
case SQL_DIAG_SERVER_NAME:
rtnlen = 0;
if (DiagInfoPtr && BufferLength > rtnlen)
{
ret = SQL_SUCCESS;
*((char *) DiagInfoPtr) = '\0';
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_MESSAGE_TEXT:
ret = PGAPI_EnvError(Handle, RecNumber,
NULL, NULL, DiagInfoPtr,
BufferLength, StringLengthPtr, 0);
break;
case SQL_DIAG_NATIVE:
rtnctype = SQL_C_LONG;
ret = PGAPI_EnvError(Handle, RecNumber,
NULL, (SQLINTEGER *) DiagInfoPtr, NULL,
0, NULL, 0);
break;
case SQL_DIAG_NUMBER:
rtnctype = SQL_C_LONG;
ret = PGAPI_EnvError(Handle, RecNumber,
NULL, NULL, NULL,
0, NULL, 0);
if (SQL_SUCCEEDED(ret))
{
*((SQLINTEGER *) DiagInfoPtr) = 1;
}
break;
case SQL_DIAG_SQLSTATE:
rtnlen = 5;
ret = PGAPI_EnvError(Handle, RecNumber,
DiagInfoPtr, NULL, NULL,
0, NULL, 0);
if (SQL_SUCCESS_WITH_INFO == ret)
ret = SQL_SUCCESS;
break;
case SQL_DIAG_RETURNCODE: /* driver manager returns */
break;
case SQL_DIAG_CURSOR_ROW_COUNT:
case SQL_DIAG_ROW_COUNT:
case SQL_DIAG_DYNAMIC_FUNCTION:
case SQL_DIAG_DYNAMIC_FUNCTION_CODE:
/* options for statement type only */
break;
}
break;
case SQL_HANDLE_DBC:
conn = (ConnectionClass *) Handle;
switch (DiagIdentifier)
{
case SQL_DIAG_CLASS_ORIGIN:
case SQL_DIAG_SUBCLASS_ORIGIN:
case SQL_DIAG_CONNECTION_NAME:
rtnlen = 0;
if (DiagInfoPtr && BufferLength > rtnlen)
{
ret = SQL_SUCCESS;
*((char *) DiagInfoPtr) = '\0';
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_SERVER_NAME:
rtnlen = strlen(CC_get_DSN(conn));
if (DiagInfoPtr)
{
strncpy_null(DiagInfoPtr, CC_get_DSN(conn), BufferLength);
ret = (BufferLength > rtnlen ? SQL_SUCCESS : SQL_SUCCESS_WITH_INFO);
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_MESSAGE_TEXT:
ret = PGAPI_ConnectError(Handle, RecNumber,
NULL, NULL, DiagInfoPtr,
BufferLength, StringLengthPtr, 0);
break;
case SQL_DIAG_NATIVE:
rtnctype = SQL_C_LONG;
ret = PGAPI_ConnectError(Handle, RecNumber,
NULL, (SQLINTEGER *) DiagInfoPtr, NULL,
0, NULL, 0);
break;
case SQL_DIAG_NUMBER:
ret = SQL_NO_DATA_FOUND;
*((SQLINTEGER *) DiagInfoPtr) = 0;
rtnctype = SQL_C_LONG;
{
SQLCHAR msg[SQL_MAX_MESSAGE_LENGTH + 1];
ret = PGAPI_ConnectError(Handle, 1,
NULL, NULL, msg,
sizeof(msg), &pcbErrm, 0);
MYLOG(0, "pcbErrm=%d\n", pcbErrm);
}
if (SQL_SUCCEEDED(ret))
{
*((SQLINTEGER *) DiagInfoPtr) = (pcbErrm - 1) / SQL_MAX_MESSAGE_LENGTH + 1;
ret = SQL_SUCCESS;
}
break;
case SQL_DIAG_SQLSTATE:
rtnlen = 5;
ret = PGAPI_ConnectError(Handle, RecNumber,
DiagInfoPtr, NULL, NULL,
0, NULL, 0);
if (SQL_SUCCESS_WITH_INFO == ret)
ret = SQL_SUCCESS;
break;
case SQL_DIAG_RETURNCODE: /* driver manager returns */
break;
case SQL_DIAG_CURSOR_ROW_COUNT:
case SQL_DIAG_ROW_COUNT:
case SQL_DIAG_DYNAMIC_FUNCTION:
case SQL_DIAG_DYNAMIC_FUNCTION_CODE:
/* options for statement type only */
break;
}
break;
case SQL_HANDLE_STMT:
conn = (ConnectionClass *) SC_get_conn(((StatementClass *) Handle));
switch (DiagIdentifier)
{
case SQL_DIAG_CLASS_ORIGIN:
case SQL_DIAG_SUBCLASS_ORIGIN:
case SQL_DIAG_CONNECTION_NAME:
rtnlen = 0;
if (DiagInfoPtr && BufferLength > rtnlen)
{
ret = SQL_SUCCESS;
*((char *) DiagInfoPtr) = '\0';
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_SERVER_NAME:
rtnlen = strlen(CC_get_DSN(conn));
if (DiagInfoPtr)
{
strncpy_null(DiagInfoPtr, CC_get_DSN(conn), BufferLength);
ret = (BufferLength > rtnlen ? SQL_SUCCESS : SQL_SUCCESS_WITH_INFO);
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_MESSAGE_TEXT:
ret = PGAPI_StmtError(Handle, RecNumber,
NULL, NULL, DiagInfoPtr,
BufferLength, StringLengthPtr, 0);
break;
case SQL_DIAG_NATIVE:
rtnctype = SQL_C_LONG;
ret = PGAPI_StmtError(Handle, RecNumber,
NULL, (SQLINTEGER *) DiagInfoPtr, NULL,
0, NULL, 0);
break;
case SQL_DIAG_NUMBER:
rtnctype = SQL_C_LONG;
*((SQLINTEGER *) DiagInfoPtr) = 0;
ret = SQL_NO_DATA_FOUND;
stmt = (StatementClass *) Handle;
rtn = PGAPI_StmtError(Handle, -1, NULL,
NULL, NULL, 0, &pcbErrm, 0);
switch (rtn)
{
case SQL_SUCCESS:
case SQL_SUCCESS_WITH_INFO:
ret = SQL_SUCCESS;
if (pcbErrm > 0 && stmt->pgerror)
*((SQLINTEGER *) DiagInfoPtr) = (pcbErrm - 1)/ stmt->pgerror->recsize + 1;
break;
default:
break;
}
break;
case SQL_DIAG_SQLSTATE:
rtnlen = 5;
ret = PGAPI_StmtError(Handle, RecNumber,
DiagInfoPtr, NULL, NULL,
0, NULL, 0);
if (SQL_SUCCESS_WITH_INFO == ret)
ret = SQL_SUCCESS;
break;
case SQL_DIAG_CURSOR_ROW_COUNT:
rtnctype = SQL_C_LONG;
stmt = (StatementClass *) Handle;
rc = -1;
if (stmt->status == STMT_FINISHED)
{
QResultClass *res = SC_get_Curres(stmt);
/*if (!res)
return SQL_ERROR;*/
if (stmt->proc_return > 0)
rc = 0;
else if (res && QR_NumResultCols(res) > 0 && !SC_is_fetchcursor(stmt))
rc = QR_get_num_total_tuples(res) - res->dl_count;
}
*((SQLLEN *) DiagInfoPtr) = rc;
MYLOG(DETAIL_LOG_LEVEL, "rc=" FORMAT_LEN "\n", rc);
ret = SQL_SUCCESS;
break;
case SQL_DIAG_ROW_COUNT:
rtnctype = SQL_C_LONG;
stmt = (StatementClass *) Handle;
*((SQLLEN *) DiagInfoPtr) = stmt->diag_row_count;
ret = SQL_SUCCESS;
break;
case SQL_DIAG_ROW_NUMBER:
rtnctype = SQL_C_LONG;
*((SQLLEN *) DiagInfoPtr) = SQL_ROW_NUMBER_UNKNOWN;
ret = SQL_SUCCESS;
break;
case SQL_DIAG_COLUMN_NUMBER:
rtnctype = SQL_C_LONG;
*((SQLINTEGER *) DiagInfoPtr) = SQL_COLUMN_NUMBER_UNKNOWN;
ret = SQL_SUCCESS;
break;
case SQL_DIAG_RETURNCODE: /* driver manager returns */
break;
}
break;
case SQL_HANDLE_DESC:
conn = DC_get_conn(((DescriptorClass *) Handle));
switch (DiagIdentifier)
{
case SQL_DIAG_CLASS_ORIGIN:
case SQL_DIAG_SUBCLASS_ORIGIN:
case SQL_DIAG_CONNECTION_NAME:
rtnlen = 0;
if (DiagInfoPtr && BufferLength > rtnlen)
{
ret = SQL_SUCCESS;
*((char *) DiagInfoPtr) = '\0';
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_SERVER_NAME:
rtnlen = strlen(CC_get_DSN(conn));
if (DiagInfoPtr)
{
strncpy_null(DiagInfoPtr, CC_get_DSN(conn), BufferLength);
ret = (BufferLength > rtnlen ? SQL_SUCCESS : SQL_SUCCESS_WITH_INFO);
}
else
ret = SQL_SUCCESS_WITH_INFO;
break;
case SQL_DIAG_MESSAGE_TEXT:
case SQL_DIAG_NATIVE:
case SQL_DIAG_NUMBER:
break;
case SQL_DIAG_SQLSTATE:
rtnlen = 5;
ret = PGAPI_DescError(Handle, RecNumber,
DiagInfoPtr, NULL, NULL,
0, NULL, 0);
if (SQL_SUCCESS_WITH_INFO == ret)
ret = SQL_SUCCESS;
break;
case SQL_DIAG_RETURNCODE: /* driver manager returns */
break;
case SQL_DIAG_CURSOR_ROW_COUNT:
case SQL_DIAG_ROW_COUNT:
case SQL_DIAG_DYNAMIC_FUNCTION:
case SQL_DIAG_DYNAMIC_FUNCTION_CODE:
rtnctype = SQL_C_LONG;
/* options for statement type only */
break;
}
break;
default:
ret = SQL_ERROR;
}
if (SQL_C_LONG == rtnctype)
{
if (SQL_SUCCESS_WITH_INFO == ret)
ret = SQL_SUCCESS;
if (StringLengthPtr)
*StringLengthPtr = sizeof(SQLINTEGER);
}
else if (rtnlen >= 0)
{
if (rtnlen >= BufferLength)
{
if (SQL_SUCCESS == ret)
ret = SQL_SUCCESS_WITH_INFO;
if (BufferLength > 0)
((char *) DiagInfoPtr) [BufferLength - 1] = '\0';
}
if (StringLengthPtr)
*StringLengthPtr = (SQLSMALLINT) rtnlen;
}
MYLOG(0, "leaving %d\n", ret);
return ret;
}
/* SQLGetConnectOption -> SQLGetconnectAttr */
RETCODE SQL_API
PGAPI_GetConnectAttr(HDBC ConnectionHandle,
SQLINTEGER Attribute, PTR Value,
SQLINTEGER BufferLength, SQLINTEGER *StringLength)
{
ConnectionClass *conn = (ConnectionClass *) ConnectionHandle;
RETCODE ret = SQL_SUCCESS;
SQLINTEGER len = 4;
MYLOG(0, "entering " FORMAT_INTEGER "\n", Attribute);
switch (Attribute)
{
case SQL_ATTR_ASYNC_ENABLE:
*((SQLINTEGER *) Value) = SQL_ASYNC_ENABLE_OFF;
break;
case SQL_ATTR_AUTO_IPD:
*((SQLINTEGER *) Value) = SQL_FALSE;
break;
case SQL_ATTR_CONNECTION_DEAD:
*((SQLUINTEGER *) Value) = CC_not_connected(conn);
break;
case SQL_ATTR_CONNECTION_TIMEOUT:
*((SQLUINTEGER *) Value) = 0;
break;
case SQL_ATTR_METADATA_ID:
*((SQLUINTEGER *) Value) = conn->stmtOptions.metadata_id;
break;
case SQL_ATTR_PGOPT_DEBUG:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.debug;
break;
case SQL_ATTR_PGOPT_COMMLOG:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.commlog;
break;
case SQL_ATTR_PGOPT_PARSE:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.parse;
break;
case SQL_ATTR_PGOPT_USE_DECLAREFETCH:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.use_declarefetch;
break;
case SQL_ATTR_PGOPT_SERVER_SIDE_PREPARE:
*((SQLINTEGER *) Value) = conn->connInfo.use_server_side_prepare;
break;
case SQL_ATTR_PGOPT_FETCH:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.fetch_max;
break;
case SQL_ATTR_PGOPT_UNKNOWNSIZES:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.unknown_sizes;
break;
case SQL_ATTR_PGOPT_TEXTASLONGVARCHAR:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.text_as_longvarchar;
break;
case SQL_ATTR_PGOPT_UNKNOWNSASLONGVARCHAR:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.unknowns_as_longvarchar;
break;
case SQL_ATTR_PGOPT_BOOLSASCHAR:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.bools_as_char;
break;
case SQL_ATTR_PGOPT_MAXVARCHARSIZE:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.max_varchar_size;
break;
case SQL_ATTR_PGOPT_MAXLONGVARCHARSIZE:
*((SQLINTEGER *) Value) = conn->connInfo.drivers.max_longvarchar_size;
break;
case SQL_ATTR_PGOPT_MSJET:
*((SQLINTEGER *) Value) = conn->ms_jet;
break;
case SQL_ATTR_PGOPT_BATCHSIZE:
*((SQLINTEGER *) Value) = conn->connInfo.batch_size;
break;
case SQL_ATTR_PGOPT_IGNORETIMEOUT:
*((SQLINTEGER *) Value) = conn->connInfo.ignore_timeout;
break;
default:
ret = PGAPI_GetConnectOption(ConnectionHandle, (UWORD) Attribute, Value, &len, BufferLength);
}
if (StringLength)
*StringLength = len;
return ret;
}
static SQLHDESC
descHandleFromStatementHandle(HSTMT StatementHandle, SQLINTEGER descType)
{
StatementClass *stmt = (StatementClass *) StatementHandle;
switch (descType)
{
case SQL_ATTR_APP_ROW_DESC: /* 10010 */
return (HSTMT) stmt->ard;
case SQL_ATTR_APP_PARAM_DESC: /* 10011 */
return (HSTMT) stmt->apd;
case SQL_ATTR_IMP_ROW_DESC: /* 10012 */
return (HSTMT) stmt->ird;
case SQL_ATTR_IMP_PARAM_DESC: /* 10013 */
return (HSTMT) stmt->ipd;
}
return (HSTMT) 0;
}
static void column_bindings_set(ARDFields *opts, int cols, BOOL maxset)
{
int i;
if (cols == opts->allocated)
return;
if (cols > opts->allocated)
{
extend_column_bindings(opts, cols);
return;
}
if (maxset) return;
for (i = opts->allocated; i > cols; i--)
reset_a_column_binding(opts, i);
opts->allocated = cols;
if (0 == cols)
{
free(opts->bindings);
opts->bindings = NULL;
}
}
static RETCODE SQL_API
ARDSetField(DescriptorClass *desc, SQLSMALLINT RecNumber,
SQLSMALLINT FieldIdentifier, PTR Value, SQLINTEGER BufferLength)
{
RETCODE ret = SQL_SUCCESS;
ARDFields *opts = &(desc->ardf);
SQLSMALLINT row_idx;
BOOL unbind = TRUE;
switch (FieldIdentifier)
{
case SQL_DESC_ARRAY_SIZE:
opts->size_of_rowset = CAST_UPTR(SQLULEN, Value);
return ret;
case SQL_DESC_ARRAY_STATUS_PTR:
opts->row_operation_ptr = Value;
return ret;
case SQL_DESC_BIND_OFFSET_PTR:
opts->row_offset_ptr = Value;
return ret;
case SQL_DESC_BIND_TYPE:
opts->bind_size = CAST_UPTR(SQLUINTEGER, Value);
return ret;
case SQL_DESC_COUNT:
column_bindings_set(opts, CAST_PTR(SQLSMALLINT, Value), FALSE);
return ret;
case SQL_DESC_TYPE:
case SQL_DESC_DATETIME_INTERVAL_CODE:
case SQL_DESC_CONCISE_TYPE:
column_bindings_set(opts, RecNumber, TRUE);
break;
}
if (RecNumber < 0 || RecNumber > opts->allocated)
{
DC_set_error(desc, DESC_INVALID_COLUMN_NUMBER_ERROR, "invalid column number");
return SQL_ERROR;
}
if (0 == RecNumber) /* bookmark column */
{
BindInfoClass *bookmark = ARD_AllocBookmark(opts);
switch (FieldIdentifier)
{
case SQL_DESC_TYPE:
bookmark->returntype = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_DATETIME_INTERVAL_CODE:
switch (bookmark->returntype)
{
case SQL_DATETIME:
case SQL_C_TYPE_DATE:
case SQL_C_TYPE_TIME:
case SQL_C_TYPE_TIMESTAMP:
switch ((LONG_PTR) Value)
{
case SQL_CODE_DATE:
bookmark->returntype = SQL_C_TYPE_DATE;
break;
case SQL_CODE_TIME:
bookmark->returntype = SQL_C_TYPE_TIME;
break;
case SQL_CODE_TIMESTAMP:
bookmark->returntype = SQL_C_TYPE_TIMESTAMP;
break;
}
break;
}
break;
case SQL_DESC_DATA_PTR:
bookmark->buffer = Value;
break;
case SQL_DESC_INDICATOR_PTR:
bookmark->indicator = Value;
break;
case SQL_DESC_OCTET_LENGTH_PTR:
bookmark->used = Value;
break;
case SQL_DESC_OCTET_LENGTH:
bookmark->buflen = CAST_PTR(SQLLEN, Value);
break;
case SQL_DESC_PRECISION:
bookmark->precision = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_SCALE:
bookmark->scale = CAST_PTR(SQLSMALLINT, Value);
break;
default:
DC_set_error(desc, DESC_INVALID_COLUMN_NUMBER_ERROR, "invalid column number");
ret = SQL_ERROR;
}
return ret;
}
row_idx = RecNumber - 1;
switch (FieldIdentifier)
{
case SQL_DESC_TYPE:
opts->bindings[row_idx].returntype = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_DATETIME_INTERVAL_CODE:
switch (opts->bindings[row_idx].returntype)
{
case SQL_DATETIME:
case SQL_C_TYPE_DATE:
case SQL_C_TYPE_TIME:
case SQL_C_TYPE_TIMESTAMP:
switch ((LONG_PTR) Value)
{
case SQL_CODE_DATE:
opts->bindings[row_idx].returntype = SQL_C_TYPE_DATE;
break;
case SQL_CODE_TIME:
opts->bindings[row_idx].returntype = SQL_C_TYPE_TIME;
break;
case SQL_CODE_TIMESTAMP:
opts->bindings[row_idx].returntype = SQL_C_TYPE_TIMESTAMP;
break;
}
break;
}
break;
case SQL_DESC_CONCISE_TYPE:
opts->bindings[row_idx].returntype = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_DATA_PTR:
unbind = FALSE;
opts->bindings[row_idx].buffer = Value;
break;
case SQL_DESC_INDICATOR_PTR:
unbind = FALSE;
opts->bindings[row_idx].indicator = Value;
break;
case SQL_DESC_OCTET_LENGTH_PTR:
unbind = FALSE;
opts->bindings[row_idx].used = Value;
break;
case SQL_DESC_OCTET_LENGTH:
opts->bindings[row_idx].buflen = CAST_PTR(SQLLEN, Value);
break;
case SQL_DESC_PRECISION:
opts->bindings[row_idx].precision = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_SCALE:
opts->bindings[row_idx].scale = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_ALLOC_TYPE: /* read-only */
case SQL_DESC_DATETIME_INTERVAL_PRECISION:
case SQL_DESC_LENGTH:
case SQL_DESC_NUM_PREC_RADIX:
default:ret = SQL_ERROR;
DC_set_error(desc, DESC_INVALID_DESCRIPTOR_IDENTIFIER,
"invalid descriptor identifier");
}
if (unbind)
opts->bindings[row_idx].buffer = NULL;
return ret;
}
static void parameter_bindings_set(APDFields *opts, int params, BOOL maxset)
{
int i;
if (params == opts->allocated)
return;
if (params > opts->allocated)
{
extend_parameter_bindings(opts, params);
return;
}
if (maxset) return;
for (i = opts->allocated; i > params; i--)
reset_a_parameter_binding(opts, i);
opts->allocated = params;
if (0 == params)
{
free(opts->parameters);
opts->parameters = NULL;
}
}
static void parameter_ibindings_set(IPDFields *opts, int params, BOOL maxset)
{
int i;
if (params == opts->allocated)
return;
if (params > opts->allocated)
{
extend_iparameter_bindings(opts, params);
return;
}
if (maxset) return;
for (i = opts->allocated; i > params; i--)
reset_a_iparameter_binding(opts, i);
opts->allocated = params;
if (0 == params)
{
free(opts->parameters);
opts->parameters = NULL;
}
}
static RETCODE SQL_API
APDSetField(DescriptorClass *desc, SQLSMALLINT RecNumber,
SQLSMALLINT FieldIdentifier, PTR Value, SQLINTEGER BufferLength)
{
RETCODE ret = SQL_SUCCESS;
APDFields *opts = &(desc->apdf);
SQLSMALLINT para_idx;
BOOL unbind = TRUE;
switch (FieldIdentifier)
{
case SQL_DESC_ARRAY_SIZE:
opts->paramset_size = CAST_UPTR(SQLUINTEGER, Value);
return ret;
case SQL_DESC_ARRAY_STATUS_PTR:
opts->param_operation_ptr = Value;
return ret;
case SQL_DESC_BIND_OFFSET_PTR:
opts->param_offset_ptr = Value;
return ret;
case SQL_DESC_BIND_TYPE:
opts->param_bind_type = CAST_UPTR(SQLUINTEGER, Value);
return ret;
case SQL_DESC_COUNT:
parameter_bindings_set(opts, CAST_PTR(SQLSMALLINT, Value), FALSE);
return ret;
case SQL_DESC_TYPE:
case SQL_DESC_DATETIME_INTERVAL_CODE:
case SQL_DESC_CONCISE_TYPE:
parameter_bindings_set(opts, RecNumber, TRUE);
break;
}
if (RecNumber <=0)
{
MYLOG(DETAIL_LOG_LEVEL, "RecN=%d allocated=%d\n", RecNumber, opts->allocated);
DC_set_error(desc, DESC_BAD_PARAMETER_NUMBER_ERROR,
"bad parameter number");
return SQL_ERROR;
}
if (RecNumber > opts->allocated)
{
MYLOG(DETAIL_LOG_LEVEL, "RecN=%d allocated=%d\n", RecNumber, opts->allocated);
parameter_bindings_set(opts, RecNumber, TRUE);
/* DC_set_error(desc, DESC_BAD_PARAMETER_NUMBER_ERROR,
"bad parameter number");
return SQL_ERROR;*/
}
para_idx = RecNumber - 1;
switch (FieldIdentifier)
{
case SQL_DESC_TYPE:
opts->parameters[para_idx].CType = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_DATETIME_INTERVAL_CODE:
switch (opts->parameters[para_idx].CType)
{
case SQL_DATETIME:
case SQL_C_TYPE_DATE:
case SQL_C_TYPE_TIME:
case SQL_C_TYPE_TIMESTAMP:
switch ((LONG_PTR) Value)
{
case SQL_CODE_DATE:
opts->parameters[para_idx].CType = SQL_C_TYPE_DATE;
break;
case SQL_CODE_TIME:
opts->parameters[para_idx].CType = SQL_C_TYPE_TIME;
break;
case SQL_CODE_TIMESTAMP:
opts->parameters[para_idx].CType = SQL_C_TYPE_TIMESTAMP;
break;
}
break;
}
break;
case SQL_DESC_CONCISE_TYPE:
opts->parameters[para_idx].CType = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_DATA_PTR:
unbind = FALSE;
opts->parameters[para_idx].buffer = Value;
break;
case SQL_DESC_INDICATOR_PTR:
unbind = FALSE;
opts->parameters[para_idx].indicator = Value;
break;
case SQL_DESC_OCTET_LENGTH:
opts->parameters[para_idx].buflen = CAST_PTR(Int4, Value);
break;
case SQL_DESC_OCTET_LENGTH_PTR:
unbind = FALSE;
opts->parameters[para_idx].used = Value;
break;
case SQL_DESC_PRECISION:
opts->parameters[para_idx].precision = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_SCALE:
opts->parameters[para_idx].scale = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_ALLOC_TYPE: /* read-only */
case SQL_DESC_DATETIME_INTERVAL_PRECISION:
case SQL_DESC_LENGTH:
case SQL_DESC_NUM_PREC_RADIX:
default:ret = SQL_ERROR;
DC_set_error(desc, DESC_INVALID_DESCRIPTOR_IDENTIFIER,
"invalid descriptor identifier");
}
if (unbind)
opts->parameters[para_idx].buffer = NULL;
return ret;
}
static RETCODE SQL_API
IRDSetField(DescriptorClass *desc, SQLSMALLINT RecNumber,
SQLSMALLINT FieldIdentifier, PTR Value, SQLINTEGER BufferLength)
{
RETCODE ret = SQL_SUCCESS;
IRDFields *opts = &(desc->irdf);
switch (FieldIdentifier)
{
case SQL_DESC_ARRAY_STATUS_PTR:
opts->rowStatusArray = (SQLUSMALLINT *) Value;
break;
case SQL_DESC_ROWS_PROCESSED_PTR:
opts->rowsFetched = (SQLULEN *) Value;
break;
case SQL_DESC_ALLOC_TYPE: /* read-only */
case SQL_DESC_COUNT: /* read-only */
case SQL_DESC_AUTO_UNIQUE_VALUE: /* read-only */
case SQL_DESC_BASE_COLUMN_NAME: /* read-only */
case SQL_DESC_BASE_TABLE_NAME: /* read-only */
case SQL_DESC_CASE_SENSITIVE: /* read-only */
case SQL_DESC_CATALOG_NAME: /* read-only */
case SQL_DESC_CONCISE_TYPE: /* read-only */
case SQL_DESC_DATETIME_INTERVAL_CODE: /* read-only */
case SQL_DESC_DATETIME_INTERVAL_PRECISION: /* read-only */
case SQL_DESC_DISPLAY_SIZE: /* read-only */
case SQL_DESC_FIXED_PREC_SCALE: /* read-only */
case SQL_DESC_LABEL: /* read-only */
case SQL_DESC_LENGTH: /* read-only */
case SQL_DESC_LITERAL_PREFIX: /* read-only */
case SQL_DESC_LITERAL_SUFFIX: /* read-only */
case SQL_DESC_LOCAL_TYPE_NAME: /* read-only */
case SQL_DESC_NAME: /* read-only */
case SQL_DESC_NULLABLE: /* read-only */
case SQL_DESC_NUM_PREC_RADIX: /* read-only */
case SQL_DESC_OCTET_LENGTH: /* read-only */
case SQL_DESC_PRECISION: /* read-only */
case SQL_DESC_ROWVER: /* read-only */
case SQL_DESC_SCALE: /* read-only */
case SQL_DESC_SCHEMA_NAME: /* read-only */
case SQL_DESC_SEARCHABLE: /* read-only */
case SQL_DESC_TABLE_NAME: /* read-only */
case SQL_DESC_TYPE: /* read-only */
case SQL_DESC_TYPE_NAME: /* read-only */
case SQL_DESC_UNNAMED: /* read-only */
case SQL_DESC_UNSIGNED: /* read-only */
case SQL_DESC_UPDATABLE: /* read-only */
default:ret = SQL_ERROR;
DC_set_error(desc, DESC_INVALID_DESCRIPTOR_IDENTIFIER,
"invalid descriptor identifier");
}
return ret;
}
static RETCODE SQL_API
IPDSetField(DescriptorClass *desc, SQLSMALLINT RecNumber,
SQLSMALLINT FieldIdentifier, PTR Value, SQLINTEGER BufferLength)
{
RETCODE ret = SQL_SUCCESS;
IPDFields *ipdopts = &(desc->ipdf);
SQLSMALLINT para_idx;
switch (FieldIdentifier)
{
case SQL_DESC_ARRAY_STATUS_PTR:
ipdopts->param_status_ptr = (SQLUSMALLINT *) Value;
return ret;
case SQL_DESC_ROWS_PROCESSED_PTR:
ipdopts->param_processed_ptr = (SQLULEN *) Value;
return ret;
case SQL_DESC_COUNT:
parameter_ibindings_set(ipdopts, CAST_PTR(SQLSMALLINT, Value), FALSE);
return ret;
case SQL_DESC_UNNAMED: /* only SQL_UNNAMED is allowed */
if (SQL_UNNAMED != CAST_PTR(SQLSMALLINT, Value))
{
ret = SQL_ERROR;
DC_set_error(desc, DESC_INVALID_DESCRIPTOR_IDENTIFIER,
"invalid descriptor identifier");
return ret;
}
case SQL_DESC_NAME:
case SQL_DESC_TYPE:
case SQL_DESC_DATETIME_INTERVAL_CODE:
case SQL_DESC_CONCISE_TYPE:
parameter_ibindings_set(ipdopts, RecNumber, TRUE);
break;
}
if (RecNumber <= 0 || RecNumber > ipdopts->allocated)
{
MYLOG(DETAIL_LOG_LEVEL, "RecN=%d allocated=%d\n", RecNumber, ipdopts->allocated);
DC_set_error(desc, DESC_BAD_PARAMETER_NUMBER_ERROR,
"bad parameter number");
return SQL_ERROR;
}
para_idx = RecNumber - 1;
switch (FieldIdentifier)
{
case SQL_DESC_TYPE:
if (ipdopts->parameters[para_idx].SQLType != CAST_PTR(SQLSMALLINT, Value))
{
reset_a_iparameter_binding(ipdopts, RecNumber);
ipdopts->parameters[para_idx].SQLType = CAST_PTR(SQLSMALLINT, Value);
}
break;
case SQL_DESC_DATETIME_INTERVAL_CODE:
switch (ipdopts->parameters[para_idx].SQLType)
{
case SQL_DATETIME:
case SQL_TYPE_DATE:
case SQL_TYPE_TIME:
case SQL_TYPE_TIMESTAMP:
switch ((LONG_PTR) Value)
{
case SQL_CODE_DATE:
ipdopts->parameters[para_idx].SQLType = SQL_TYPE_DATE;
break;
case SQL_CODE_TIME:
ipdopts->parameters[para_idx].SQLType = SQL_TYPE_TIME;
break;
case SQL_CODE_TIMESTAMP:
ipdopts->parameters[para_idx].SQLType = SQL_TYPE_TIMESTAMP;
break;
}
break;
}
break;
case SQL_DESC_CONCISE_TYPE:
ipdopts->parameters[para_idx].SQLType = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_NAME:
if (Value)
STR_TO_NAME(ipdopts->parameters[para_idx].paramName, Value);
else
NULL_THE_NAME(ipdopts->parameters[para_idx].paramName);
break;
case SQL_DESC_PARAMETER_TYPE:
ipdopts->parameters[para_idx].paramType = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_PRECISION:
switch (ipdopts->parameters[para_idx].SQLType)
{
case SQL_TYPE_DATE:
case SQL_TYPE_TIME:
case SQL_TYPE_TIMESTAMP:
case SQL_DATETIME:
ipdopts->parameters[para_idx].decimal_digits = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_NUMERIC:
ipdopts->parameters[para_idx].precision = CAST_PTR(SQLINTEGER, Value);
break;
}
break;
case SQL_DESC_SCALE:
ipdopts->parameters[para_idx].decimal_digits = CAST_PTR(SQLSMALLINT, Value);
break;
case SQL_DESC_UNNAMED: /* only SQL_UNNAMED is allowed */
if (SQL_UNNAMED != CAST_PTR(SQLSMALLINT, Value))
{