factor/extra/odbc/odbc.factor

283 lines
9.1 KiB
Factor

! Copyright (C) 2007 Chris Double, 2016 Alexander Ilin.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien alien.c-types alien.data alien.libraries
alien.strings alien.syntax combinators continuations
io.encodings.ascii kernel locals make math sequences strings
threads ;
FROM: alien.c-types => float short ;
IN: odbc
<< "odbc" "odbc32.dll" stdcall add-library >>
LIBRARY: odbc
TYPEDEF: short SQLRETURN
TYPEDEF: short SQLSMALLINT
TYPEDEF: ushort SQLUSMALLINT
TYPEDEF: uint SQLUINTEGER
TYPEDEF: int SQLINTEGER
TYPEDEF: char SQLCHAR
TYPEDEF: void* SQLHANDLE
TYPEDEF: void* SQLHENV
TYPEDEF: void* SQLHDBC
TYPEDEF: void* SQLHSTMT
TYPEDEF: void* SQLHWND
TYPEDEF: void* SQLPOINTER
CONSTANT: SQL-HANDLE-ENV 1
CONSTANT: SQL-HANDLE-DBC 2
CONSTANT: SQL-HANDLE-STMT 3
CONSTANT: SQL-HANDLE-DESC 4
CONSTANT: SQL-NULL-HANDLE f
CONSTANT: SQL-ATTR-ODBC-VERSION 200
: SQL-OV-ODBC2 ( -- number ) 2 <alien> ; inline
: SQL-OV-ODBC3 ( -- number ) 3 <alien> ; inline
CONSTANT: SQL_ERROR 0
CONSTANT: SQL_SUCCESS 0
CONSTANT: SQL_SUCCESS_WITH_INFO 1
CONSTANT: SQL_INVALID_HANDLE -2
CONSTANT: SQL_NO_DATA 100
CONSTANT: SQL_NO_DATA_FOUND 100
CONSTANT: SQL-DRIVER-NOPROMPT 0
CONSTANT: SQL-DRIVER-PROMPT 2
CONSTANT: SQL-C-DEFAULT 99
SYMBOLS:
SQL-CHAR SQL-VARCHAR SQL-LONGVARCHAR
SQL-WCHAR SQL-WCHARVAR SQL-WLONGCHARVAR
SQL-DECIMAL SQL-SMALLINT SQL-NUMERIC SQL-INTEGER
SQL-REAL SQL-FLOAT SQL-DOUBLE
SQL-BIT
SQL-TINYINT SQL-BIGINT
SQL-BINARY SQL-VARBINARY SQL-LONGVARBINARY
SQL-TYPE-DATE SQL-TYPE-TIME SQL-TYPE-TIMESTAMP
SQL-TYPE-UTCDATETIME SQL-TYPE-UTCTIME
SQL-INTERVAL-MONTH SQL-INTERVAL-YEAR SQL-INTERVAL-DAY
SQL-INTERVAL-HOUR SQL-INTERVAL-MINUTE SQL-INTERVAL-SECOND
SQL-INTERVAL-YEAR-TO-MONTH
SQL-INTERVAL-DAY-TO-HOUR SQL-INTERVAL-DAY-TO-MINUTE
SQL-INTERVAL-DAY-TO-SECOND
SQL-INTERVAL-HOUR-TO-MINUTE SQL-INTERVAL-HOUR-TO-SECOND SQL-INTERVAL-MINUTE-TO-SECOND
SQL-GUID
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 )
FUNCTION: SQLRETURN SQLGetDiagRec (
SQLSMALLINT HandleType,
SQLHANDLE Handle,
SQLSMALLINT RecNumber,
SQLCHAR* SQLState,
SQLINTEGER* NativeErrorPtr,
SQLCHAR* MessageText,
SQLSMALLINT BufferLength,
SQLSMALLINT* TextLengthPtr )
: alloc-handle ( type parent -- handle )
f void* <ref> [ SQLAllocHandle ] keep swap succeeded? [
void* deref
] [
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 ;
<PRIVATE
: alien-space-str ( len -- alien )
CHAR: space <string> ascii string>alien ;
PRIVATE>
: temp-string ( length -- byte-array length )
[ alien-space-str ] 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 )
[ alloc-dbc-handle dup ] dip
f swap ascii string>alien dup length
1024 temp-string 0 short <ref>
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 )
[ alloc-stmt-handle dup ] dip ascii string>alien
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 <ref> [ SQLNumResultCols succeeded? ] keep swap [
short deref
] [
drop f
] if ;
TUPLE: column nullable digits size type name number ;
C: <column> column
:: odbc-describe-column ( statement columnNumber -- column )
1024 :> bufferLen
bufferLen alien-space-str :> columnName
0 short <ref> :> nameLengthPtr
0 short <ref> :> dataTypePtr
0 uint <ref> :> columnSizePtr
0 short <ref> :> decimalDigitsPtr
0 short <ref> :> nullablePtr
statement columnNumber columnName bufferLen nameLengthPtr
dataTypePtr columnSizePtr decimalDigitsPtr nullablePtr
SQLDescribeCol succeeded? [
nullablePtr short deref
decimalDigitsPtr short deref
columnSizePtr uint deref
dataTypePtr short deref convert-sql-type
columnName ascii alien>string
columnNumber <column>
] [
"odbc-describe-column failed" throw
] if ;
: dereference-type-pointer ( byte-array column -- object )
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 deref ] }
{ SQL-INTEGER [ long deref ] }
{ SQL-REAL [ float deref ] }
{ SQL-FLOAT [ double deref ] }
{ SQL-DOUBLE [ double deref ] }
{ SQL-TINYINT [ char deref ] }
{ SQL-BIGINT [ longlong deref ] }
[ nip [ "Unknown SQL Type: " % name>> % ] "" make ]
} case ;
TUPLE: field value column ;
C: <field> field
:: odbc-get-field ( statement column! -- field )
column column? [
statement column odbc-describe-column column!
] unless
8192 :> bufferLen
bufferLen alien-space-str :> targetValuePtr
statement column number>> SQL-C-DEFAULT
targetValuePtr bufferLen f SQLGetData
succeeded? [
targetValuePtr column [ dereference-type-pointer ] keep <field>
] [
column [
"SQLGetData Failed for Column: " %
dup name>> %
" of type: " % dup type>> name>> %
] "" make swap <field>
] if ;
: odbc-get-row-fields ( statement -- seq )
[
dup odbc-number-of-columns <iota> [
1 + odbc-get-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 ] finally ;