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Diffstat (limited to 'src/interfaces/odbc/windev/bind.c')
-rw-r--r--src/interfaces/odbc/windev/bind.c487
1 files changed, 0 insertions, 487 deletions
diff --git a/src/interfaces/odbc/windev/bind.c b/src/interfaces/odbc/windev/bind.c
deleted file mode 100644
index e9f5cc34827..00000000000
--- a/src/interfaces/odbc/windev/bind.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*-------
- * Module: bind.c
- *
- * Description: This module contains routines related to binding
- * columns and parameters.
- *
- * Classes: BindInfoClass, ParameterInfoClass
- *
- * API functions: SQLBindParameter, SQLBindCol, SQLDescribeParam, SQLNumParams,
- * SQLParamOptions(NI)
- *
- * Comments: See "notice.txt" for copyright and license information.
- *-------
- */
-
-#include "bind.h"
-
-#include "environ.h"
-#include "statement.h"
-#include "qresult.h"
-#include "pgtypes.h"
-#include <stdlib.h>
-#include <string.h>
-
-#include "pgapifunc.h"
-
-
-/* Bind parameters on a statement handle */
-RETCODE SQL_API
-PGAPI_BindParameter(
- HSTMT hstmt,
- UWORD ipar,
- SWORD fParamType,
- SWORD fCType,
- SWORD fSqlType,
- UDWORD cbColDef,
- SWORD ibScale,
- PTR rgbValue,
- SDWORD cbValueMax,
- SDWORD FAR * pcbValue)
-{
- StatementClass *stmt = (StatementClass *) hstmt;
- static char *func = "PGAPI_BindParameter";
-
- mylog("%s: entering...\n", func);
-
- if (!stmt)
- {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
- SC_clear_error(stmt);
-
- if (stmt->parameters_allocated < ipar)
- {
- ParameterInfoClass *old_parameters;
- int i,
- old_parameters_allocated;
-
- old_parameters = stmt->parameters;
- old_parameters_allocated = stmt->parameters_allocated;
-
- stmt->parameters = (ParameterInfoClass *) malloc(sizeof(ParameterInfoClass) * (ipar));
- if (!stmt->parameters)
- {
- stmt->errornumber = STMT_NO_MEMORY_ERROR;
- stmt->errormsg = "Could not allocate memory for statement parameters";
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- stmt->parameters_allocated = ipar;
-
- /* copy the old parameters over */
- for (i = 0; i < old_parameters_allocated; i++)
- {
- /* a structure copy should work */
- stmt->parameters[i] = old_parameters[i];
- }
-
- /* get rid of the old parameters, if there were any */
- if (old_parameters)
- free(old_parameters);
-
- /*
- * zero out the newly allocated parameters (in case they skipped
- * some,
- */
- /* so we don't accidentally try to use them later) */
- for (; i < stmt->parameters_allocated; i++)
- {
- stmt->parameters[i].buflen = 0;
- stmt->parameters[i].buffer = 0;
- stmt->parameters[i].used = 0;
- stmt->parameters[i].paramType = 0;
- stmt->parameters[i].CType = 0;
- stmt->parameters[i].SQLType = 0;
- stmt->parameters[i].precision = 0;
- stmt->parameters[i].scale = 0;
- stmt->parameters[i].data_at_exec = FALSE;
- stmt->parameters[i].lobj_oid = 0;
- stmt->parameters[i].EXEC_used = NULL;
- stmt->parameters[i].EXEC_buffer = NULL;
- }
- }
-
- /* use zero based column numbers for the below part */
- ipar--;
-
- /* store the given info */
- stmt->parameters[ipar].buflen = cbValueMax;
- stmt->parameters[ipar].buffer = rgbValue;
- stmt->parameters[ipar].used = pcbValue;
- stmt->parameters[ipar].paramType = fParamType;
- stmt->parameters[ipar].CType = fCType;
- stmt->parameters[ipar].SQLType = fSqlType;
- stmt->parameters[ipar].precision = cbColDef;
- stmt->parameters[ipar].scale = ibScale;
-
- /*
- * If rebinding a parameter that had data-at-exec stuff in it, then
- * free that stuff
- */
- if (stmt->parameters[ipar].EXEC_used)
- {
- free(stmt->parameters[ipar].EXEC_used);
- stmt->parameters[ipar].EXEC_used = NULL;
- }
-
- if (stmt->parameters[ipar].EXEC_buffer)
- {
- if (stmt->parameters[ipar].SQLType != SQL_LONGVARBINARY)
- free(stmt->parameters[ipar].EXEC_buffer);
- stmt->parameters[ipar].EXEC_buffer = NULL;
- }
-
- /* Data at exec macro only valid for C char/binary data */
- if (pcbValue && (*pcbValue == SQL_DATA_AT_EXEC ||
- *pcbValue <= SQL_LEN_DATA_AT_EXEC_OFFSET))
- stmt->parameters[ipar].data_at_exec = TRUE;
- else
- stmt->parameters[ipar].data_at_exec = FALSE;
-
- /* Clear premature result */
- if (stmt->status == STMT_PREMATURE)
- SC_recycle_statement(stmt);
-
- mylog("PGAPI_BindParamater: ipar=%d, paramType=%d, fCType=%d, fSqlType=%d, cbColDef=%d, ibScale=%d, rgbValue=%d, *pcbValue = %d, data_at_exec = %d\n", ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, pcbValue ? *pcbValue : -777, stmt->parameters[ipar].data_at_exec);
-
- return SQL_SUCCESS;
-}
-
-
-/* Associate a user-supplied buffer with a database column. */
-RETCODE SQL_API
-PGAPI_BindCol(
- HSTMT hstmt,
- UWORD icol,
- SWORD fCType,
- PTR rgbValue,
- SDWORD cbValueMax,
- SDWORD FAR * pcbValue)
-{
- StatementClass *stmt = (StatementClass *) hstmt;
- static char *func = "PGAPI_BindCol";
-
- mylog("%s: entering...\n", func);
-
- mylog("**** PGAPI_BindCol: stmt = %u, icol = %d\n", stmt, icol);
- mylog("**** : fCType=%d rgb=%x valusMax=%d pcb=%x\n", fCType, rgbValue, cbValueMax, pcbValue);
-
- if (!stmt)
- {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
-
-
- SC_clear_error(stmt);
-
- if (stmt->status == STMT_EXECUTING)
- {
- stmt->errormsg = "Can't bind columns while statement is still executing.";
- stmt->errornumber = STMT_SEQUENCE_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- /* If the bookmark column is being bound, then just save it */
- if (icol == 0)
- {
- if (rgbValue == NULL)
- {
- stmt->bookmark.buffer = NULL;
- stmt->bookmark.used = NULL;
- }
- else
- {
- /* Make sure it is the bookmark data type */
- if (fCType != SQL_C_BOOKMARK)
- {
- stmt->errormsg = "Column 0 is not of type SQL_C_BOOKMARK";
- stmt->errornumber = STMT_PROGRAM_TYPE_OUT_OF_RANGE;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- stmt->bookmark.buffer = rgbValue;
- stmt->bookmark.used = pcbValue;
- }
- return SQL_SUCCESS;
- }
-
- /*
- * Allocate enough bindings if not already done. Most likely,
- * execution of a statement would have setup the necessary bindings.
- * But some apps call BindCol before any statement is executed.
- */
- if (icol > stmt->bindings_allocated)
- extend_bindings(stmt, icol);
-
- /* check to see if the bindings were allocated */
- if (!stmt->bindings)
- {
- stmt->errormsg = "Could not allocate memory for bindings.";
- stmt->errornumber = STMT_NO_MEMORY_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- /* use zero based col numbers from here out */
- icol--;
-
- /* Reset for SQLGetData */
- stmt->bindings[icol].data_left = -1;
-
- if (rgbValue == NULL)
- {
- /* we have to unbind the column */
- stmt->bindings[icol].buflen = 0;
- stmt->bindings[icol].buffer = NULL;
- stmt->bindings[icol].used = NULL;
- stmt->bindings[icol].returntype = SQL_C_CHAR;
- }
- else
- {
- /* ok, bind that column */
- stmt->bindings[icol].buflen = cbValueMax;
- stmt->bindings[icol].buffer = rgbValue;
- stmt->bindings[icol].used = pcbValue;
- stmt->bindings[icol].returntype = fCType;
-
- mylog(" bound buffer[%d] = %u\n", icol, stmt->bindings[icol].buffer);
- }
-
- return SQL_SUCCESS;
-}
-
-
-/*
- * Returns the description of a parameter marker.
- * This function is listed as not being supported by SQLGetFunctions() because it is
- * used to describe "parameter markers" (not bound parameters), in which case,
- * the dbms should return info on the markers. Since Postgres doesn't support that,
- * it is best to say this function is not supported and let the application assume a
- * data type (most likely varchar).
- */
-RETCODE SQL_API
-PGAPI_DescribeParam(
- HSTMT hstmt,
- UWORD ipar,
- SWORD FAR * pfSqlType,
- UDWORD FAR * pcbColDef,
- SWORD FAR * pibScale,
- SWORD FAR * pfNullable)
-{
- StatementClass *stmt = (StatementClass *) hstmt;
- static char *func = "PGAPI_DescribeParam";
-
- mylog("%s: entering...\n", func);
-
- if (!stmt)
- {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
- SC_clear_error(stmt);
-
- if ((ipar < 1) || (ipar > stmt->parameters_allocated))
- {
- stmt->errormsg = "Invalid parameter number for PGAPI_DescribeParam.";
- stmt->errornumber = STMT_BAD_PARAMETER_NUMBER_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
-
- ipar--;
-
- /*
- * This implementation is not very good, since it is supposed to
- * describe
- */
- /* parameter markers, not bound parameters. */
- if (pfSqlType)
- *pfSqlType = stmt->parameters[ipar].SQLType;
-
- if (pcbColDef)
- *pcbColDef = stmt->parameters[ipar].precision;
-
- if (pibScale)
- *pibScale = stmt->parameters[ipar].scale;
-
- if (pfNullable)
- *pfNullable = pgtype_nullable(stmt, stmt->parameters[ipar].paramType);
-
- return SQL_SUCCESS;
-}
-
-
-/* Sets multiple values (arrays) for the set of parameter markers. */
-RETCODE SQL_API
-PGAPI_ParamOptions(
- HSTMT hstmt,
- UDWORD crow,
- UDWORD FAR * pirow)
-{
- static char *func = "PGAPI_ParamOptions";
- StatementClass *stmt = (StatementClass *) hstmt;
-
- mylog("%s: entering... %d %x\n", func, crow, pirow);
-
- if (crow == 1) /* temporary solution and must be
- * rewritten later */
- {
- if (pirow)
- *pirow = 1;
- return SQL_SUCCESS;
- }
- stmt->errornumber = CONN_UNSUPPORTED_OPTION;
- stmt->errormsg = "Function not implemented";
- SC_log_error(func, "Function not implemented", (StatementClass *) hstmt);
- return SQL_ERROR;
-}
-
-
-/*
- * This function should really talk to the dbms to determine the number of
- * "parameter markers" (not bound parameters) in the statement. But, since
- * Postgres doesn't support that, the driver should just count the number of markers
- * and return that. The reason the driver just can't say this function is unsupported
- * like it does for SQLDescribeParam is that some applications don't care and try
- * to call it anyway.
- * If the statement does not have parameters, it should just return 0.
- */
-RETCODE SQL_API
-PGAPI_NumParams(
- HSTMT hstmt,
- SWORD FAR * pcpar)
-{
- StatementClass *stmt = (StatementClass *) hstmt;
- char in_quote = FALSE;
- unsigned int i;
- static char *func = "PGAPI_NumParams";
-
- mylog("%s: entering...\n", func);
-
- if (!stmt)
- {
- SC_log_error(func, "", NULL);
- return SQL_INVALID_HANDLE;
- }
- SC_clear_error(stmt);
-
- if (pcpar)
- *pcpar = 0;
- else
- {
- SC_log_error(func, "pcpar was null", stmt);
- return SQL_ERROR;
- }
-
-
- if (!stmt->statement)
- {
- /* no statement has been allocated */
- stmt->errormsg = "PGAPI_NumParams called with no statement ready.";
- stmt->errornumber = STMT_SEQUENCE_ERROR;
- SC_log_error(func, "", stmt);
- return SQL_ERROR;
- }
- else
- {
- for (i = 0; i < strlen(stmt->statement); i++)
- {
- if (stmt->statement[i] == '?' && !in_quote)
- (*pcpar)++;
- else
- {
- if (stmt->statement[i] == '\'')
- in_quote = (in_quote ? FALSE : TRUE);
- }
- }
- return SQL_SUCCESS;
- }
-}
-
-
-/*
- * Bindings Implementation
- */
-BindInfoClass *
-create_empty_bindings(int num_columns)
-{
- BindInfoClass *new_bindings;
- int i;
-
- new_bindings = (BindInfoClass *) malloc(num_columns * sizeof(BindInfoClass));
- if (!new_bindings)
- return 0;
-
- for (i = 0; i < num_columns; i++)
- {
- new_bindings[i].buflen = 0;
- new_bindings[i].buffer = NULL;
- new_bindings[i].used = NULL;
- new_bindings[i].data_left = -1;
- new_bindings[i].ttlbuf = NULL;
- new_bindings[i].ttlbuflen = 0;
- }
-
- return new_bindings;
-}
-
-
-void
-extend_bindings(StatementClass *stmt, int num_columns)
-{
- static char *func = "extend_bindings";
- BindInfoClass *new_bindings;
- int i;
-
- mylog("%s: entering ... stmt=%u, bindings_allocated=%d, num_columns=%d\n", func, stmt, stmt->bindings_allocated, num_columns);
-
- /*
- * if we have too few, allocate room for more, and copy the old
- * entries into the new structure
- */
- if (stmt->bindings_allocated < num_columns)
- {
- new_bindings = create_empty_bindings(num_columns);
- if (!new_bindings)
- {
- mylog("%s: unable to create %d new bindings from %d old bindings\n", func, num_columns, stmt->bindings_allocated);
-
- if (stmt->bindings)
- {
- free(stmt->bindings);
- stmt->bindings = NULL;
- }
- stmt->bindings_allocated = 0;
- return;
- }
-
- if (stmt->bindings)
- {
- for (i = 0; i < stmt->bindings_allocated; i++)
- new_bindings[i] = stmt->bindings[i];
-
- free(stmt->bindings);
- }
-
- stmt->bindings = new_bindings;
- stmt->bindings_allocated = num_columns;
- }
-
- /*
- * There is no reason to zero out extra bindings if there are more
- * than needed. If an app has allocated extra bindings, let it worry
- * about it by unbinding those columns.
- */
-
- /* SQLBindCol(1..) ... SQLBindCol(10...) # got 10 bindings */
- /* SQLExecDirect(...) # returns 5 cols */
- /* SQLExecDirect(...) # returns 10 cols (now OK) */
-
- mylog("exit extend_bindings\n");
-}