diff options
Diffstat (limited to 'lib/odbc/c_src')
| -rw-r--r-- | lib/odbc/c_src/odbcserver.c | 144 | ||||
| -rw-r--r-- | lib/odbc/c_src/odbcserver.h | 14 |
2 files changed, 121 insertions, 37 deletions
diff --git a/lib/odbc/c_src/odbcserver.c b/lib/odbc/c_src/odbcserver.c index aaaea20a10..5865cddcda 100644 --- a/lib/odbc/c_src/odbcserver.c +++ b/lib/odbc/c_src/odbcserver.c @@ -59,7 +59,7 @@ they are converted to string values. [?OPEN_CONNECTION, C_AutoCommitMode, C_TraceDriver, C_SrollableCursors, - C_TupelRow, ConnectionStr] + C_TupelRow, BinaryStrings, ConnectionStr] [?CLOSE_CONNECTION] [?COMMIT_TRANSACTION, CommitMode] [?QUERY, SQLQuery] @@ -76,6 +76,7 @@ C_TraceDriver - ?ON | ?OFF C_SrollableCursors - ?ON | ?OFF C_TupelRow - - ?ON | ?OFF + BinaryStrings - ?ON | ?OFF ConnectionStr - String CommitMode - ?COMMIT | ?ROLLBACK SQLQuery - String @@ -88,7 +89,7 @@ InOrOut = [ERL_ODBC_IN | ERL_ODBC_OUT | ERL_ODBC_INOUT] Datatype - USER_INT | USER_SMALL_INT | {USER_DECIMAL, Precision, Scale} | {USER_NMERIC, Precision, Scale} | {USER_CHAR, Max} | {USER_VARCHAR, Max} | - {USER_FLOAT, Precision} | USER_REAL | USER_DOUBLE + {USER_WVARCHAR, Max} | {USER_FLOAT, Precision} | USER_REAL | USER_DOUBLE Scale - integer Precision - integer Max - integer @@ -173,7 +174,7 @@ static void encode_column_dyn(db_column column, int column_nr, db_state *state); static void encode_data_type(SQLINTEGER sql_type, SQLINTEGER size, SQLSMALLINT decimal_digits, db_state *state); -static Boolean decode_params(byte *buffer, int *index, param_array **params, +static Boolean decode_params(db_state *state, byte *buffer, int *index, param_array **params, int i, int j); /*------------- Erlang port communication functions ----------------------*/ @@ -433,26 +434,33 @@ static db_result_msg db_connect(byte *args, db_state *state) diagnos diagnos; byte *connStrIn; int erl_auto_commit_mode, erl_trace_driver, - use_srollable_cursors, tuple_row_state; + use_srollable_cursors, tuple_row_state, binary_strings; erl_auto_commit_mode = args[0]; erl_trace_driver = args[1]; use_srollable_cursors = args[2]; tuple_row_state = args[3]; - connStrIn = args + 4 * sizeof(byte); + binary_strings = args[4]; + connStrIn = args + 5 * sizeof(byte); if(tuple_row_state == ON) { - tuple_row(state) = TRUE; + tuple_row(state) = TRUE; } else { - tuple_row(state) = FALSE; + tuple_row(state) = FALSE; } - + + if(binary_strings == ON) { + binary_strings(state) = TRUE; + } else { + binary_strings(state) = FALSE; + } + if(use_srollable_cursors == ON) { - use_srollable_cursors(state) = TRUE; + use_srollable_cursors(state) = TRUE; } else { - use_srollable_cursors(state) = FALSE; + use_srollable_cursors(state) = FALSE; } - + init_driver(erl_auto_commit_mode, erl_trace_driver, state); connlen = (SQLSMALLINT)strlen((const char*)connStrIn); @@ -1102,8 +1110,21 @@ static db_result_msg encode_out_params(db_state *state, void* values = retrive_param_values(&column); switch(column.type.c) { case SQL_C_CHAR: - ei_x_encode_string(&dynamic_buffer(state), ((char*)values)+j*column.type.len); - break; + if binary_strings(state) { + ei_x_encode_binary(&dynamic_buffer(state), + ((char*)values)+j*column.type.len, + (column.type.strlen_or_indptr_array[j])); + } + else { + ei_x_encode_string(&dynamic_buffer(state), + ((char*)values)+j*column.type.len); + } + break; + case SQL_C_WCHAR: + ei_x_encode_binary(&dynamic_buffer(state), + ((char*)values)+j*column.type.len, + (column.type.strlen_or_indptr_array[j])); + break; case SQL_C_SLONG: ei_x_encode_long(&dynamic_buffer(state), ((long*)values)[j]); break; @@ -1365,7 +1386,16 @@ static void encode_column_dyn(db_column column, int column_nr, } else { switch(column.type.c) { case SQL_C_CHAR: - ei_x_encode_string(&dynamic_buffer(state), column.buffer); + if binary_strings(state) { + ei_x_encode_binary(&dynamic_buffer(state), + column.buffer,column.type.strlen_or_indptr); + } else { + ei_x_encode_string(&dynamic_buffer(state), column.buffer); + } + break; + case SQL_C_WCHAR: + ei_x_encode_binary(&dynamic_buffer(state), + column.buffer,column.type.strlen_or_indptr); break; case SQL_C_SLONG: ei_x_encode_long(&dynamic_buffer(state), @@ -1379,9 +1409,14 @@ static void encode_column_dyn(db_column column, int column_nr, ei_x_encode_atom(&dynamic_buffer(state), column.buffer[0]?"true":"false"); break; - case SQL_C_BINARY: + case SQL_C_BINARY: column = retrive_binary_data(column, column_nr, state); - ei_x_encode_string(&dynamic_buffer(state), (void *)column.buffer); + if binary_strings(state) { + ei_x_encode_binary(&dynamic_buffer(state), + column.buffer,column.type.strlen_or_indptr); + } else { + ei_x_encode_string(&dynamic_buffer(state), (void *)column.buffer); + } break; default: ei_x_encode_atom(&dynamic_buffer(state), "error"); @@ -1404,6 +1439,16 @@ static void encode_data_type(SQLINTEGER sql_type, SQLINTEGER size, ei_x_encode_atom(&dynamic_buffer(state), "sql_varchar"); ei_x_encode_long(&dynamic_buffer(state), size); break; + case SQL_WCHAR: + ei_x_encode_tuple_header(&dynamic_buffer(state), 2); + ei_x_encode_atom(&dynamic_buffer(state), "sql_wchar"); + ei_x_encode_long(&dynamic_buffer(state), size); + break; + case SQL_WVARCHAR: + ei_x_encode_tuple_header(&dynamic_buffer(state), 2); + ei_x_encode_atom(&dynamic_buffer(state), "sql_wvarchar"); + ei_x_encode_long(&dynamic_buffer(state), size); + break; case SQL_NUMERIC: ei_x_encode_tuple_header(&dynamic_buffer(state), 3); ei_x_encode_atom(&dynamic_buffer(state), "sql_numeric"); @@ -1492,7 +1537,7 @@ static void encode_data_type(SQLINTEGER sql_type, SQLINTEGER size, } } -static Boolean decode_params(byte *buffer, int *index, param_array **params, +static Boolean decode_params(db_state *state, byte *buffer, int *index, param_array **params, int i, int j) { int erl_type, size; @@ -1504,15 +1549,25 @@ static Boolean decode_params(byte *buffer, int *index, param_array **params, switch (param->type.c) { case SQL_C_CHAR: - if(erl_type != ERL_STRING_EXT) { - return FALSE; - } - - ei_decode_string(buffer, index, &(param->values.string[param->offset])); - param->offset += param->type.len; - param->type.strlen_or_indptr_array[j] = SQL_NTS; + if (binary_strings(state)) { + ei_decode_binary(buffer, index, + &(param->values.string[param->offset]), &bin_size); + param->offset += param->type.len; + param->type.strlen_or_indptr_array[j] = SQL_NTS; + } else { + if(erl_type != ERL_STRING_EXT) { + return FALSE; + } + ei_decode_string(buffer, index, &(param->values.string[param->offset])); + param->offset += param->type.len; + param->type.strlen_or_indptr_array[j] = SQL_NTS; + } + break; + case SQL_C_WCHAR: + ei_decode_binary(buffer, index, &(param->values.string[param->offset]), &bin_size); + param->offset += param->type.len; + param->type.strlen_or_indptr_array[j] = SQL_NTS; break; - case SQL_C_SLONG: if(!((erl_type == ERL_SMALL_INTEGER_EXT) || (erl_type == ERL_INTEGER_EXT) || @@ -2053,6 +2108,24 @@ static void init_param_column(param_array *params, byte *buffer, int *index, sizeof(byte)* params->type.len); break; + case USER_WCHAR: + case USER_WVARCHAR: + if(user_type == USER_WCHAR) { + params->type.sql = SQL_WCHAR; + } else { + params->type.sql = SQL_WVARCHAR; + } + ei_decode_long(buffer, index, &length); + /* Max string length + string terminator */ + params->type.len = (length+1)*sizeof(SQLWCHAR); + params->type.c = SQL_C_WCHAR; + params->type.col_size = (SQLUINTEGER)length; + params->type.strlen_or_indptr_array = + (SQLLEN*)safe_malloc(num_param_values * sizeof(SQLINTEGER)); + params->values.string = + (byte *)safe_malloc(num_param_values * sizeof(byte) * params->type.len); + + break; case USER_FLOAT: params->type.sql = SQL_FLOAT; params->type.c = SQL_C_DOUBLE; @@ -2190,11 +2263,17 @@ static db_result_msg map_sql_2_c_column(db_column* column) case SQL_LONGVARCHAR: case SQL_VARBINARY: case SQL_LONGVARBINARY: - column -> type.len = (column -> type.col_size) + - /* Make place for NULL termination */ - sizeof(byte); - column -> type.c = SQL_C_CHAR; - column -> type.strlen_or_indptr = SQL_NTS; + column -> type.len = (column -> type.col_size) + + /* Make place for NULL termination */ + sizeof(byte); + column -> type.c = SQL_C_CHAR; + column -> type.strlen_or_indptr = SQL_NTS; + break; + case SQL_WCHAR: + case SQL_WVARCHAR: + column -> type.len = (column -> type.col_size + 1)*sizeof(SQLWCHAR); + column -> type.c = SQL_C_WCHAR; + column -> type.strlen_or_indptr = SQL_NTS; break; case SQL_NUMERIC: case SQL_DECIMAL: @@ -2280,7 +2359,7 @@ static param_array * bind_parameter_arrays(byte *buffer, int *index, } for (j = 0; j < num_param_values; j++) { - if(!decode_params(buffer, index, ¶ms, i, j)) { + if(!decode_params(state, buffer, index, ¶ms, i, j)) { /* An input parameter was not of the expected type */ free_params(¶ms, i); return params; @@ -2309,7 +2388,8 @@ static void * retrive_param_values(param_array *Param) { switch(Param->type.c) { case SQL_C_CHAR: - return (void *)Param->values.string; + case SQL_C_WCHAR: + return (void *)Param->values.string; case SQL_C_SLONG: return (void *)Param->values.integer; case SQL_C_DOUBLE: diff --git a/lib/odbc/c_src/odbcserver.h b/lib/odbc/c_src/odbcserver.h index ccd694a985..3b5a2b4d4d 100644 --- a/lib/odbc/c_src/odbcserver.h +++ b/lib/odbc/c_src/odbcserver.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 2002-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 2002-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * 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. - * + * * %CopyrightEnd% * @@ -111,6 +111,8 @@ #define USER_DOUBLE 9 #define USER_BOOLEAN 10 #define USER_TINY_INT 11 +#define USER_WCHAR 12 +#define USER_WVARCHAR 13 /*------------------------ TYPDEFS ----------------------------------*/ @@ -170,6 +172,7 @@ typedef struct { Boolean associated_result_set; Boolean use_srollable_cursors; Boolean tuple_row; + Boolean binary_strings; Boolean exists_more_result_sets; Boolean param_query; Boolean out_params; @@ -188,6 +191,7 @@ typedef enum { #define associated_result_set(db_state) (db_state -> associated_result_set) #define use_srollable_cursors(db_state) (db_state -> use_srollable_cursors) #define tuple_row(db_state) (db_state -> tuple_row) +#define binary_strings(db_state) (db_state -> binary_strings) #define exists_more_result_sets(db_state) (db_state -> exists_more_result_sets) #define param_query(db_state) (db_state -> param_query) #define out_params(db_state) (db_state -> out_params) |