factor/extra/odbc/odbc.factor

272 lines
8.2 KiB
Factor

! Copyright (C) 2007 Chris Double.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel alien alien.strings alien.syntax
combinators alien.c-types strings sequences namespaces words
math threads io.encodings.ascii ;
IN: odbc
<< "odbc" "odbc32.dll" "stdcall" add-library >>
LIBRARY: odbc
TYPEDEF: void* usb_dev_handle*
TYPEDEF: short SQLRETURN
TYPEDEF: short SQLSMALLINT
TYPEDEF: short* SQLSMALLINT*
TYPEDEF: ushort SQLUSMALLINT
TYPEDEF: uint* SQLUINTEGER*
TYPEDEF: int SQLINTEGER
TYPEDEF: char SQLCHAR
TYPEDEF: char* SQLCHAR*
TYPEDEF: void* SQLHANDLE
TYPEDEF: void* SQLHANDLE*
TYPEDEF: void* SQLHENV
TYPEDEF: void* SQLHDBC
TYPEDEF: void* SQLHSTMT
TYPEDEF: void* SQLHWND
TYPEDEF: void* SQLPOINTER
: SQL-HANDLE-ENV ( -- number ) 1 ; inline
: SQL-HANDLE-DBC ( -- number ) 2 ; inline
: SQL-HANDLE-STMT ( -- number ) 3 ; inline
: SQL-HANDLE-DESC ( -- number ) 4 ; inline
: SQL-NULL-HANDLE ( -- alien ) f ; inline
: SQL-ATTR-ODBC-VERSION ( -- number ) 200 ; inline
: SQL-OV-ODBC2 ( -- number ) 2 <alien> ; inline
: SQL-OV-ODBC3 ( -- number ) 3 <alien> ; inline
: SQL-SUCCESS ( -- number ) 0 ; inline
: SQL-SUCCESS-WITH-INFO ( -- number ) 1 ; inline
: SQL-NO-DATA-FOUND ( -- number ) 100 ; inline
: SQL-DRIVER-NOPROMPT ( -- number ) 0 ; inline
: SQL-DRIVER-PROMPT ( -- number ) 2 ; inline
: SQL-C-DEFAULT ( -- number ) 99 ; inline
SYMBOL: SQL-CHAR
SYMBOL: SQL-VARCHAR
SYMBOL: SQL-LONGVARCHAR
SYMBOL: SQL-WCHAR
SYMBOL: SQL-WCHARVAR
SYMBOL: SQL-WLONGCHARVAR
SYMBOL: SQL-DECIMAL
SYMBOL: SQL-SMALLINT
SYMBOL: SQL-NUMERIC
SYMBOL: SQL-INTEGER
SYMBOL: SQL-REAL
SYMBOL: SQL-FLOAT
SYMBOL: SQL-DOUBLE
SYMBOL: SQL-BIT
SYMBOL: SQL-TINYINT
SYMBOL: SQL-BIGINT
SYMBOL: SQL-BINARY
SYMBOL: SQL-VARBINARY
SYMBOL: SQL-LONGVARBINARY
SYMBOL: SQL-TYPE-DATE
SYMBOL: SQL-TYPE-TIME
SYMBOL: SQL-TYPE-TIMESTAMP
SYMBOL: SQL-TYPE-UTCDATETIME
SYMBOL: SQL-TYPE-UTCTIME
SYMBOL: SQL-INTERVAL-MONTH
SYMBOL: SQL-INTERVAL-YEAR
SYMBOL: SQL-INTERVAL-YEAR-TO-MONTH
SYMBOL: SQL-INTERVAL-DAY
SYMBOL: SQL-INTERVAL-HOUR
SYMBOL: SQL-INTERVAL-MINUTE
SYMBOL: SQL-INTERVAL-SECOND
SYMBOL: SQL-INTERVAL-DAY-TO-HOUR
SYMBOL: SQL-INTERVAL-DAY-TO-MINUTE
SYMBOL: SQL-INTERVAL-DAY-TO-SECOND
SYMBOL: SQL-INTERVAL-HOUR-TO-MINUTE
SYMBOL: SQL-INTERVAL-HOUR-TO-SECOND
SYMBOL: SQL-INTERVAL-MINUTE-TO-SECOND
SYMBOL: SQL-GUID
SYMBOL: SQL-TYPE-UNKNOWN
: convert-sql-type ( number -- symbol )
{
{ 1 [ SQL-CHAR ] }
{ 12 [ SQL-VARCHAR ] }
{ -1 [ SQL-LONGVARCHAR ] }
{ -8 [ SQL-WCHAR ] }
{ -9 [ SQL-WCHARVAR ] }
{ -10 [ SQL-WLONGCHARVAR ] }
{ 3 [ SQL-DECIMAL ] }
{ 5 [ SQL-SMALLINT ] }
{ 2 [ SQL-NUMERIC ] }
{ 4 [ SQL-INTEGER ] }
{ 7 [ SQL-REAL ] }
{ 6 [ SQL-FLOAT ] }
{ 8 [ SQL-DOUBLE ] }
{ -7 [ SQL-BIT ] }
{ -6 [ SQL-TINYINT ] }
{ -5 [ SQL-BIGINT ] }
{ -2 [ SQL-BINARY ] }
{ -3 [ SQL-VARBINARY ] }
{ -4 [ SQL-LONGVARBINARY ] }
{ 91 [ SQL-TYPE-DATE ] }
{ 92 [ SQL-TYPE-TIME ] }
{ 93 [ SQL-TYPE-TIMESTAMP ] }
[ drop SQL-TYPE-UNKNOWN ]
} case ;
: succeeded? ( n -- bool )
#! Did the call succeed (SQL-SUCCESS or SQL-SUCCESS-WITH-INFO)
{
{ SQL-SUCCESS [ t ] }
{ SQL-SUCCESS-WITH-INFO [ t ] }
[ drop f ]
} case ;
FUNCTION: SQLRETURN SQLAllocHandle ( SQLSMALLINT handleType, SQLHANDLE inputHandle, SQLHANDLE* outputHandlePtr ) ;
FUNCTION: SQLRETURN SQLSetEnvAttr ( SQLHENV environmentHandle, SQLINTEGER attribute, SQLPOINTER valuePtr, SQLINTEGER stringLength ) ;
FUNCTION: SQLRETURN SQLDriverConnect ( SQLHDBC connectionHandle, SQLHWND windowHandle, SQLCHAR* inConnectionString, SQLSMALLINT stringLength, SQLCHAR* outConnectionString, SQLSMALLINT bufferLength, SQLSMALLINT* stringLength2Ptr, SQLUSMALLINT driverCompletion ) ;
FUNCTION: SQLRETURN SQLDisconnect ( SQLHDBC connectionHandle ) ;
FUNCTION: SQLRETURN SQLPrepare ( SQLHSTMT statementHandle, SQLCHAR* statementText, SQLINTEGER length ) ;
FUNCTION: SQLRETURN SQLExecute ( SQLHSTMT statementHandle ) ;
FUNCTION: SQLRETURN SQLFreeHandle ( SQLSMALLINT handleType, SQLHANDLE handle ) ;
FUNCTION: SQLRETURN SQLFetch ( SQLHSTMT statementHandle ) ;
FUNCTION: SQLRETURN SQLNumResultCols ( SQLHSTMT statementHandle, SQLSMALLINT* columnCountPtr ) ;
FUNCTION: SQLRETURN SQLDescribeCol ( SQLHSTMT statementHandle, SQLSMALLINT columnNumber, SQLCHAR* columnName, SQLSMALLINT bufferLength, SQLSMALLINT* nameLengthPtr, SQLSMALLINT* dataTypePtr, SQLUINTEGER* columnSizePtr, SQLSMALLINT* decimalDigitsPtr, SQLSMALLINT* nullablePtr ) ;
FUNCTION: SQLRETURN SQLGetData ( SQLHSTMT statementHandle, SQLUSMALLINT columnNumber, SQLSMALLINT targetType, SQLPOINTER targetValuePtr, SQLINTEGER bufferLength, SQLINTEGER* strlen_or_indPtr ) ;
: alloc-handle ( type parent -- handle )
f <void*> [ SQLAllocHandle ] keep swap succeeded? [
*void*
] [
drop f
] if ;
: alloc-env-handle ( -- handle )
SQL-HANDLE-ENV SQL-NULL-HANDLE alloc-handle ;
: alloc-dbc-handle ( env -- handle )
SQL-HANDLE-DBC swap alloc-handle ;
: alloc-stmt-handle ( dbc -- handle )
SQL-HANDLE-STMT swap alloc-handle ;
: temp-string ( length -- byte-array length )
[ CHAR: \space <string> ascii string>alien ] keep ;
: odbc-init ( -- env )
alloc-env-handle
[
SQL-ATTR-ODBC-VERSION SQL-OV-ODBC3 0 SQLSetEnvAttr
succeeded? [ "odbc-init failed" throw ] unless
] keep ;
: odbc-connect ( env dsn -- dbc )
>r alloc-dbc-handle dup r>
f swap dup length 1024 temp-string 0 <short> SQL-DRIVER-NOPROMPT
SQLDriverConnect succeeded? [ "odbc-connect failed" throw ] unless ;
: odbc-disconnect ( dbc -- )
SQLDisconnect succeeded? [ "odbc-disconnect failed" throw ] unless ;
: odbc-prepare ( dbc string -- statement )
>r alloc-stmt-handle dup r> dup length SQLPrepare succeeded? [ "odbc-prepare failed" throw ] unless ;
: odbc-free-statement ( statement -- )
SQL-HANDLE-STMT swap SQLFreeHandle succeeded? [ "odbc-free-statement failed" throw ] unless ;
: odbc-execute ( statement -- )
SQLExecute succeeded? [ "odbc-execute failed" throw ] unless ;
: odbc-next-row ( statement -- bool )
SQLFetch succeeded? ;
: odbc-number-of-columns ( statement -- number )
0 <short> [ SQLNumResultCols succeeded? ] keep swap [
*short
] [
drop f
] if ;
TUPLE: column nullable digits size type name number ;
C: <column> column
: odbc-describe-column ( statement n -- column )
dup >r
1024 CHAR: \space <string> ascii string>alien dup >r
1024
0 <short>
0 <short> dup >r
0 <uint> dup >r
0 <short> dup >r
0 <short> dup >r
SQLDescribeCol succeeded? [
r> *short
r> *short
r> *uint
r> *short convert-sql-type
r> ascii alien>string
r> <column>
] [
r> drop r> drop r> drop r> drop r> drop r> drop
"odbc-describe-column failed" throw
] if ;
: dereference-type-pointer ( byte-array column -- object )
column-type {
{ SQL-CHAR [ ascii alien>string ] }
{ SQL-VARCHAR [ ascii alien>string ] }
{ SQL-LONGVARCHAR [ ascii alien>string ] }
{ SQL-WCHAR [ ascii alien>string ] }
{ SQL-WCHARVAR [ ascii alien>string ] }
{ SQL-WLONGCHARVAR [ ascii alien>string ] }
{ SQL-SMALLINT [ *short ] }
{ SQL-INTEGER [ *long ] }
{ SQL-REAL [ *float ] }
{ SQL-FLOAT [ *double ] }
{ SQL-DOUBLE [ *double ] }
{ SQL-TINYINT [ *char ] }
{ SQL-BIGINT [ *longlong ] }
[ nip [ "Unknown SQL Type: " % name>> % ] "" make ]
} case ;
TUPLE: field value column ;
C: <field> field
: odbc-get-field ( statement column -- field )
dup column? [ dupd odbc-describe-column ] unless dup >r column-number
SQL-C-DEFAULT
8192 CHAR: \space <string> ascii string>alien dup >r
8192
f SQLGetData succeeded? [
r> r> [ dereference-type-pointer ] keep <field>
] [
r> drop r> [
"SQLGetData Failed for Column: " %
dup column-name %
" of type: " % dup column-type name>> %
] "" make swap <field>
] if ;
: odbc-get-row-fields ( statement -- seq )
[
dup odbc-number-of-columns [
1+ odbc-get-field field-value ,
] with each
] { } make ;
: (odbc-get-all-rows) ( statement -- )
dup odbc-next-row [ dup odbc-get-row-fields , yield (odbc-get-all-rows) ] [ drop ] if ;
: odbc-get-all-rows ( statement -- seq )
[ (odbc-get-all-rows) ] { } make ;
: odbc-query ( string dsn -- result )
odbc-init swap odbc-connect [
swap odbc-prepare
dup odbc-execute
dup odbc-get-all-rows
swap odbc-free-statement
] keep odbc-disconnect ;