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# ODBC utility
[ODBC API]

Functions called within `ODBC` driver. More...

## Defines
#define | C_TYPES
#define | SQL_TYPES
#define | TYPE_NORMAL_SQL_C_GUID
#define | TYPE_NORMAL_SQL_GUID
## Functions
int | odbc_c_to_server_type (int c_type)
| Pass this an SQL_C_* type and get a SYB* type which most closely corresponds to the SQL_C_* type.
SQLSMALLINT | odbc_get_concise_c_type (SQLSMALLINT type, SQLSMALLINT interval)
SQLSMALLINT | odbc_get_concise_sql_type (SQLSMALLINT type, SQLSMALLINT interval)
SQLLEN | odbc_get_octet_len (int c_type, const struct _drecord *drec)
SQLINTEGER | odbc_get_param_len (const struct _drecord *drec_axd, const struct _drecord *drec_ixd, const TDS_DESC *axd, unsigned int n_row)
| Return length of parameter from parameter information.
int | odbc_get_string_size (int size, SQLCHAR *str)
void | odbc_rdbms_version (TDSSOCKET *tds, char *pversion_string)
| Returns the version of the RDBMS in the ODBC format.
SQLSMALLINT | odbc_server_to_sql_type (int col_type, int col_size)
| Convert type from database to ODBC.
SQLRETURN | odbc_set_concise_c_type (SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
| Set concise type and all cascading field.
SQLRETURN | odbc_set_concise_sql_type (SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
| Set concise type and all cascading field.
void | odbc_set_return_params (struct _hstmt *stmt, unsigned int n_row)
void | odbc_set_return_status (struct _hstmt *stmt, unsigned int n_row)
void | odbc_set_sql_type_info (TDSCOLUMN *col, struct _drecord *drec, SQLINTEGER odbc_ver)
static int | odbc_set_stmt (TDS_STMT *stmt, char **dest, const char *sql, int sql_len)
int | odbc_set_stmt_prepared_query (TDS_STMT *stmt, const char *sql, int sql_len)
int | odbc_set_stmt_query (TDS_STMT *stmt, const char *sql, int sql_len)
SQLRETURN | odbc_set_string (SQLPOINTER buffer, SQLSMALLINT cbBuffer, SQLSMALLINT FAR *pcbBuffer, const char *s, int len)
| Copy a string to client setting size according to ODBC convenction.
SQLRETURN | odbc_set_string_i (SQLPOINTER buffer, SQLINTEGER cbBuffer, SQLINTEGER FAR *pcbBuffer, const char *s, int len)
int | odbc_sql_to_c_type_default (int sql_type)
SQLINTEGER | odbc_sql_to_displaysize (int sqltype, TDSCOLUMN *col)
int | odbc_sql_to_server_type (TDSSOCKET *tds, int sql_type)

## Detailed Description

Functions called within `ODBC` driver.

## Define Documentation

#define SQL_TYPES

| Value:
    TYPE_NORMAL(SQL_BIT) \
            TYPE_NORMAL(SQL_SMALLINT) \
            TYPE_NORMAL(SQL_TINYINT) \
            TYPE_NORMAL(SQL_INTEGER) \
            TYPE_NORMAL(SQL_BIGINT) \
    \
            TYPE_NORMAL_SQL_GUID \
    \
            TYPE_NORMAL(SQL_BINARY) \
            TYPE_NORMAL(SQL_VARBINARY) \
            TYPE_NORMAL(SQL_LONGVARBINARY) \
    \
            TYPE_NORMAL(SQL_CHAR) \
            TYPE_NORMAL(SQL_VARCHAR) \
            TYPE_NORMAL(SQL_LONGVARCHAR) \
    \
            TYPE_NORMAL(SQL_DECIMAL) \
            TYPE_NORMAL(SQL_NUMERIC) \
    \
            TYPE_NORMAL(SQL_FLOAT) \
            TYPE_NORMAL(SQL_REAL) \
            TYPE_NORMAL(SQL_DOUBLE)\
    \
            TYPE_VERBOSE_START(SQL_DATETIME) \
            TYPE_VERBOSE_DATE(SQL_DATETIME, SQL_CODE_TIMESTAMP, SQL_TYPE_TIMESTAMP, SQL_TIMESTAMP) \
            TYPE_VERBOSE_END(SQL_DATETIME)

## Function Documentation

SQLRETURN odbc_set_concise_c_type | ( | SQLSMALLINT | concise_type,
|  | struct _drecord * | drec,
|  | int | check_only
| ) |

  | Set concise type and all cascading field. Parameters:
  | concise_type | concise type to set
  | drec | record to set. NULL to test error without setting
  | check_only | it <>0 (true) check only, do not set type

SQLRETURN odbc_set_concise_sql_type | ( | SQLSMALLINT | concise_type,
|  | struct _drecord * | drec,
|  | int | check_only
| ) |

  | Set concise type and all cascading field. Parameters:
  | concise_type | concise type to set
  | drec | record to set. NULL to test error without setting
  | check_only | it <>0 (true) check only, do not set type

SQLRETURN odbc_set_string | ( | SQLPOINTER | buffer,
|  | SQLSMALLINT | cbBuffer,
|  | SQLSMALLINT FAR * | pcbBuffer,
|  | const char * | s,
|  | int | len
| ) |

  | Copy a string to client setting size according to ODBC convenction. Parameters:
  | buffer | client buffer
  | cbBuffer | client buffer size (in bytes)
  | pcbBuffer | pointer to SQLSMALLINT to hold string size
  | s | string to copy
  | len | len of string to copy. <0 null terminated