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IB_Intf.pas
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2160 lines (1939 loc) · 76.3 KB
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{***************************************************************}
{ FIBPlus - component library for direct access to Firebird and }
{ InterBase databases }
{ }
{ FIBPlus is based in part on the product }
{ Free IB Components, written by Gregory H. Deatz for }
{ Hoagland, Longo, Moran, Dunst & Doukas Company. }
{ mailto:gdeatz@hlmdd.com }
{ }
{ Copyright (c) 1998-2007 Devrace Ltd. }
{ Written by Serge Buzadzhy (buzz@devrace.com) }
{ }
{ ------------------------------------------------------------- }
{ FIBPlus home page: http://www.fibplus.com/ }
{ FIBPlus support : http://www.devrace.com/support/ }
{ ------------------------------------------------------------- }
{ }
{ Please see the file License.txt for full license information }
{***************************************************************}
unit IB_Intf;
interface
uses
{$I FIBPlus.inc}
{$T-}
{$IFDEF WINDOWS} Windows , {$ENDIF}
SyncObjs, Classes,Sysutils, ibase, IB_InstallHeader, IB_Externals,FIBPlatforms;
type
{$M-}
IIBClientLibrary = interface
['{BB362CBF-2BD0-41A8-8982-F5E3327354A6}']
function GetLibName:string;
function GetIBClientVersion: Integer;
function GetIBClientMinorVersion: Integer;
function GetBusy:boolean;
function isc_attach_database(status_vector : PISC_STATUS; db_name_length : Short;
db_name : PAnsiChar; db_handle : PISC_DB_HANDLE;
parm_buffer_length : Short; parm_buffer : PAnsiChar): ISC_STATUS;
function isc_array_get_slice(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; array_id : PISC_QUAD;
descriptor : PISC_ARRAY_DESC; dest_array : PVoid;
slice_length : ISC_LONG): ISC_STATUS;
function isc_array_lookup_bounds(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_lookup_desc(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_set_desc(status_vector : PISC_STATUS; table_name : PAnsiChar;
column_name : PAnsiChar; sql_dtype, sql_length, sql_dimensions : PShort;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_put_slice(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; array_id : PISC_QUAD;
descriptor : PISC_ARRAY_DESC; source_array : PVoid;
slice_length : PISC_LONG): ISC_STATUS;
function isc_blob_info(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
item_list_buffer_length : Short; item_list_buffer : PAnsiChar;
result_buffer_length : Short; result_buffer : PAnsiChar): ISC_STATUS;
function isc_blob_lookup_desc(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_BLOB_DESC; global : PUChar): ISC_STATUS;
function isc_blob_set_desc(status_vector : PISC_STATUS; table_name, column_name : PAnsiChar;
subtype, charset, segment_size : Short; descriptor : PISC_BLOB_DESC): ISC_STATUS;
function isc_cancel_blob(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE): ISC_STATUS;
function isc_cancel_events(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
event_id : PISC_LONG): ISC_STATUS;
function isc_que_events(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
event_id : PISC_LONG; length : Short; event_buffer : PAnsiChar;
event_function : TISC_CALLBACK; event_function_arg : PVoid): ISC_STATUS;
function isc_wait_for_event (status_vector : PISC_STATUS;
db_handle : PISC_DB_HANDLE;
length : Short;
event_buffer,result_buffer : PAnsiChar): ISC_STATUS;
function isc_close_blob(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE): ISC_STATUS;
function isc_create_blob2(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; blob_handle : PISC_BLOB_HANDLE;
blob_id : PISC_QUAD; bpb_length : Short; bpb_address : PAnsiChar): ISC_STATUS;
function isc_commit_retaining(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_commit_transaction(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_transaction_info(status_vector : PISC_STATUS;
tran_handle : PISC_TR_HANDLE;
item_list_buffer_length : Short;
item_list_buffer : PAnsiChar;
result_buffer_length : Short;
result_buffer : PAnsiChar): ISC_STATUS;
function isc_database_info(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
item_list_buffer_length : Short; item_list_buffer : PAnsiChar;
result_buffer_length : Short; result_buffer : PAnsiChar): ISC_STATUS;
procedure isc_decode_date(ib_date: PISC_QUAD; tm_date: PCTimeStructure);
procedure isc_decode_sql_date(ib_date: PISC_DATE; tm_date: PCTimeStructure);
procedure isc_decode_sql_time(ib_time: PISC_TIME; tm_date: PCTimeStructure);
procedure isc_decode_timestamp(ib_timestamp: PISC_TIMESTAMP; tm_date: PCTimeStructure);
function isc_detach_database(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE): ISC_STATUS;
function isc_drop_database(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE): ISC_STATUS;
function isc_dsql_alloc_statement2(const status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
stmt_handle : PISC_STMT_HANDLE): ISC_STATUS;
function isc_dsql_describe(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_describe_bind(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute2(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; dialect : UShort;
in_xsqlda, out_xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute_immediate(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; length : UShort;
statement : PAnsiChar; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_exec_immed2(status_vector : PISC_STATUS;
db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE;
length : UShort;
statement : PAnsiChar;
dialect : UShort;
in_xsqlda,
out_xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_fetch(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_free_statement(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
options : UShort): ISC_STATUS;
function isc_dsql_prepare(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; length : UShort;
statement : PAnsiChar; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_set_cursor_name(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
cursor_name : PAnsiChar; _type : UShort): ISC_STATUS;
function isc_dsql_sql_info(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
item_length : Short; items : PAnsiChar; buffer_length : Short;
buffer : PAnsiChar): ISC_STATUS;
procedure isc_encode_date(tm_date : PCTimeStructure; ib_date : PISC_QUAD);
procedure isc_encode_sql_date(tm_date: PCTimeStructure; ib_date : PISC_DATE);
procedure isc_encode_sql_time(tm_date : PCTimeStructure; ib_time : PISC_TIME);
procedure isc_encode_timestamp(tm_date : PCTimeStructure; ib_timestamp : PISC_TIMESTAMP);
function isc_event_block(event_buffer : PPAnsiChar; result_buffer : PPAnsiChar;
id_count : UShort; event_list : array of PAnsiChar): ISC_LONG;
procedure isc_event_counts(status_vector : PISC_STATUS; buffer_length : Short;
event_buffer : PAnsiChar; result_buffer : PAnsiChar);
function isc_free(isc_arg1 : PAnsiChar): ISC_LONG;
function isc_get_segment(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
actual_seg_length : PUShort; seg_buffer_length : UShort;
seg_buffer : PAnsiChar): ISC_STATUS;
function isc_put_segment(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
seg_buffer_len : UShort; seg_buffer : PAnsiChar): ISC_STATUS;
function isc_interprete(buffer : PAnsiChar; status_vector : PPISC_STATUS): ISC_STATUS;
function fb_Interpret(buffer: PAnsiChar; BufLen: ULong;
status_vector : PPISC_STATUS):ISC_STATUS;
function isc_open_blob2(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; blob_handle : PISC_BLOB_HANDLE;
blob_id : PISC_QUAD; bpb_length : Short; bpb_buffer : PAnsiChar): ISC_STATUS;
function isc_prepare_transaction2(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
msg_length : Short; msg : PAnsiChar): ISC_STATUS;
function isc_rollback_retaining(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_rollback_transaction(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_start_multiple(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
db_handle_count : Short; teb_vector_address : PISC_TEB): ISC_STATUS;
function isc_sqlcode(status_vector : PISC_STATUS): ISC_LONG;
procedure isc_sql_interprete(sqlcode : Short; buffer : PAnsiChar;
buffer_length : Short);
function isc_vax_integer(buffer : PAnsiChar; length : Short): ISC_LONG;
function isc_add_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_delete_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_modify_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_prepare_transaction(status_vector : PISC_STATUS;
tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function BLOB_put(isc_arg1 : Ansichar; isc_arg2 : PBSTREAM): Int;
function BLOB_get(isc_arg1 : PBSTREAM): Int;
//IB2007
function isc_dsql_batch_execute_immed(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; Dialect : UShort; no_of_sql : ulong;
statement : PPAnsiChar; rows_affected : PULong) : ISC_STATUS;
function isc_dsql_batch_execute(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; Dialect : UShort;
insqlda : PXSQLDA; no_of_rows : UShort;
batch_vars : PPXSQLVAR; rows_affected : PULong) : ISC_STATUS;
//FB2.5
function fb_cancel_operation(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
option : UShort
) : ISC_STATUS;
function fb_sqlstate(user_status: PISC_STATUS):FIBByteString;
// Service manager functions
function isc_service_attach (status_vector : PISC_STATUS;
isc_arg2 : UShort;
isc_arg3 : PAnsiChar;
service_handle : PISC_SVC_HANDLE;
isc_arg5 : UShort;
isc_arg6 : PAnsiChar): ISC_STATUS;
function isc_service_detach(status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE): ISC_STATUS;
function isc_service_query (status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE;
recv_handle : PISC_SVC_HANDLE;
isc_arg4 : UShort;
isc_arg5 : PAnsiChar;
isc_arg6 : UShort;
isc_arg7 : PAnsiChar;
isc_arg8 : UShort;
isc_arg9 : PAnsiChar): ISC_STATUS;
function isc_service_start (status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE;
recv_handle : PISC_SVC_HANDLE;
isc_arg4 : UShort;
isc_arg5 : PAnsiChar): ISC_STATUS;
// Client information functions
procedure isc_get_client_version(buffer : PAnsiChar);
function isc_get_client_major_version: Integer;
function isc_get_client_minor_version: Integer;
function isc_portable_integer(buffer: PAnsiChar;length: Short): ISC_INT64;
procedure FreeIBLibrary;
procedure LoadIBLibrary;
function LibraryLoaded:boolean;
function LibraryFilePath:string;
property LibraryName:string read GetLibName;
property ClientMinorVersion:integer read GetIBClientMinorVersion;
property ClientVersion :integer read GetIBClientVersion;
property Busy:boolean read GetBusy;
end;
{$M+}
EAPICallException =Exception;
TIBClientLibrary = class(TInterfacedObject, IIbClientLibrary)
private
FLibraryHandle:THandle;
FLibraryName:string;
FIBClientVersion :integer;
FIBClientMinorVersion:integer;
private
FBLOB_get : TBLOB_get;
FBLOB_put : TBLOB_put;
Fisc_sqlcode : Tisc_sqlcode;
Ffb_sqlstate : Tfb_sqlstate;
Fisc_sql_interprete : Tisc_sql_interprete;
Fisc_interprete : Tisc_interprete;
Ffb_interpret : Tfb_interpret;
Fisc_vax_integer : Tisc_vax_integer;
Fisc_blob_info : Tisc_blob_info;
Fisc_open_blob2 : Tisc_open_blob2;
Fisc_close_blob : Tisc_close_blob;
Fisc_get_segment :Tisc_get_segment;
Fisc_put_segment :Tisc_put_segment;
Fisc_create_blob2 :Tisc_create_blob2;
Fisc_blob_lookup_desc:Tisc_blob_lookup_desc;
Fisc_blob_set_desc :Tisc_blob_set_desc;
Fisc_cancel_blob :Tisc_cancel_blob ;
Fisc_service_attach : Tisc_service_attach;
Fisc_service_detach : Tisc_service_detach;
Fisc_service_query : Tisc_service_query;
Fisc_service_start : Tisc_service_start;
Fisc_decode_date : Tisc_decode_date;
Fisc_decode_sql_date : Tisc_decode_sql_date;
Fisc_decode_sql_time : Tisc_decode_sql_time;
Fisc_decode_timestamp: Tisc_decode_timestamp;
Fisc_encode_date : Tisc_encode_date;
Fisc_encode_sql_date : Tisc_encode_sql_date;
Fisc_encode_sql_time : Tisc_encode_sql_time;
Fisc_encode_timestamp: Tisc_encode_timestamp;
Fisc_dsql_free_statement: Tisc_dsql_free_statement;
Fisc_dsql_execute2: Tisc_dsql_execute2;
Fisc_dsql_execute: Tisc_dsql_execute;
Fisc_dsql_set_cursor_name: Tisc_dsql_set_cursor_name;
Fisc_dsql_fetch: Tisc_dsql_fetch;
Fisc_dsql_sql_info: Tisc_dsql_sql_info;
Fisc_dsql_alloc_statement2: Tisc_dsql_alloc_statement2;
Fisc_dsql_prepare: Tisc_dsql_prepare;
Fisc_dsql_describe_bind: Tisc_dsql_describe_bind;
Fisc_dsql_describe: Tisc_dsql_describe;
Fisc_dsql_execute_immediate: Tisc_dsql_execute_immediate;
Fisc_dsql_exec_immed2: Tisc_dsql_exec_immed2;
Fisc_drop_database: Tisc_drop_database;
Fisc_detach_database: Tisc_detach_database;
Fisc_attach_database: Tisc_attach_database;
Fisc_database_info: Tisc_database_info;
Fisc_start_multiple: Tisc_start_multiple;
Fisc_commit_transaction: Tisc_commit_transaction;
Fisc_commit_retaining: Tisc_commit_retaining;
Fisc_rollback_transaction: Tisc_rollback_transaction;
Fisc_rollback_retaining: Tisc_rollback_retaining;
Fisc_cancel_events: Tisc_cancel_events;
Fisc_que_events: Tisc_que_events;
Fisc_event_counts: Tisc_event_counts;
Fisc_event_block: Tisc_event_block;
Fisc_free: Tisc_free;
Fisc_wait_for_event:Tisc_wait_for_event;
Fisc_transaction_info:Tisc_transaction_info;
Fisc_prepare_transaction:Tisc_prepare_transaction;
Fisc_prepare_transaction2:Tisc_prepare_transaction2;
//Array functions
Fisc_array_lookup_bounds :Tisc_array_lookup_bounds;
Fisc_array_get_slice :Tisc_array_get_slice;
Fisc_array_put_slice :Tisc_array_put_slice;
Fisc_array_set_desc :Tisc_array_set_desc;
Fisc_array_lookup_desc :Tisc_array_lookup_desc;
Fisc_portable_integer :Tisc_portable_integer;
Fisc_add_user :Tisc_add_user;
Fisc_delete_user:Tisc_delete_user;
Fisc_modify_user:Tisc_modify_user;
{ IB 7.0 functions only}
Fisc_get_client_version : Tisc_get_client_version;
Fisc_get_client_major_version : Tisc_get_client_major_version;
Fisc_get_client_minor_version : Tisc_get_client_minor_version;
//IB2007
Fisc_dsql_batch_execute_immed : Tisc_dsql_batch_execute_immed;
Fisc_dsql_batch_execute : Tisc_dsql_batch_execute;
//FB2.5
Ffb_cancel_operation: Tfb_cancel_operation;
private
FBusy:boolean;
function GetLibName:string;
function GetIBClientVersion: Integer;
function GetIBClientMinorVersion: Integer;
function GetBusy:boolean;
function isc_attach_database(status_vector : PISC_STATUS; db_name_length : Short;
db_name : PAnsiChar; db_handle : PISC_DB_HANDLE;
parm_buffer_length : Short; parm_buffer : PAnsiChar): ISC_STATUS;
function isc_array_get_slice(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; array_id : PISC_QUAD;
descriptor : PISC_ARRAY_DESC; dest_array : PVoid;
slice_length : ISC_LONG): ISC_STATUS;
function isc_array_lookup_bounds(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_lookup_desc(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_set_desc(status_vector : PISC_STATUS; table_name : PAnsiChar;
column_name : PAnsiChar; sql_dtype, sql_length, sql_dimensions : PShort;
descriptor : PISC_ARRAY_DESC): ISC_STATUS;
function isc_array_put_slice(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; array_id : PISC_QUAD;
descriptor : PISC_ARRAY_DESC; source_array : PVoid;
slice_length : PISC_LONG): ISC_STATUS;
function isc_blob_info(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
item_list_buffer_length : Short; item_list_buffer : PAnsiChar;
result_buffer_length : Short; result_buffer : PAnsiChar): ISC_STATUS;
function isc_blob_lookup_desc(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
trans_handle : PISC_TR_HANDLE; table_name, column_name : PAnsiChar;
descriptor : PISC_BLOB_DESC; global : PUChar): ISC_STATUS;
function isc_blob_set_desc(status_vector : PISC_STATUS; table_name, column_name : PAnsiChar;
subtype, charset, segment_size : Short; descriptor : PISC_BLOB_DESC): ISC_STATUS;
function isc_cancel_blob(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE): ISC_STATUS;
function isc_cancel_events(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
event_id : PISC_LONG): ISC_STATUS;
function isc_que_events(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
event_id : PISC_LONG; length : Short; event_buffer : PAnsiChar;
event_function : TISC_CALLBACK; event_function_arg : PVoid): ISC_STATUS;
function isc_wait_for_event (status_vector: PISC_STATUS;
db_handle: PISC_DB_HANDLE;length: Short; event_buffer,result_buffer: PAnsiChar): ISC_STATUS;
function isc_close_blob(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE): ISC_STATUS;
function isc_commit_retaining(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_commit_transaction(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_transaction_info(status_vector : PISC_STATUS;
tran_handle : PISC_TR_HANDLE;
item_list_buffer_length : Short;
item_list_buffer : PAnsiChar;
result_buffer_length : Short;
result_buffer : PAnsiChar): ISC_STATUS;
function isc_create_blob2(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; blob_handle : PISC_BLOB_HANDLE;
blob_id : PISC_QUAD; bpb_length : Short; bpb_address : PAnsiChar): ISC_STATUS;
function isc_database_info(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
item_list_buffer_length : Short; item_list_buffer : PAnsiChar;
result_buffer_length : Short; result_buffer : PAnsiChar): ISC_STATUS;
procedure isc_decode_date(ib_date: PISC_QUAD; tm_date: PCTimeStructure);
procedure isc_decode_sql_date(ib_date: PISC_DATE; tm_date: PCTimeStructure);
procedure isc_decode_sql_time(ib_time: PISC_TIME; tm_date: PCTimeStructure);
procedure isc_decode_timestamp(ib_timestamp: PISC_TIMESTAMP; tm_date: PCTimeStructure);
function isc_detach_database(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE): ISC_STATUS;
function isc_drop_database(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE): ISC_STATUS;
function isc_dsql_alloc_statement2(const status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
stmt_handle : PISC_STMT_HANDLE): ISC_STATUS;
function isc_dsql_describe(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_describe_bind(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute2(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; dialect : UShort;
in_xsqlda, out_xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_execute_immediate(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; length : UShort;
statement : PAnsiChar; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_exec_immed2(status_vector : PISC_STATUS;
db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE;
length : UShort;
statement : PAnsiChar;
dialect : UShort;
in_xsqlda,
out_xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_fetch(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
dialect : UShort; xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_free_statement(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
options : UShort): ISC_STATUS;
function isc_dsql_prepare(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; length : UShort;
statement : PAnsiChar; dialect : UShort;
xsqlda : PXSQLDA): ISC_STATUS;
function isc_dsql_set_cursor_name(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
cursor_name : PAnsiChar; _type : UShort): ISC_STATUS;
function isc_dsql_sql_info(status_vector : PISC_STATUS; stmt_handle : PISC_STMT_HANDLE;
item_length : Short; items : PAnsiChar; buffer_length : Short;
buffer : PAnsiChar): ISC_STATUS;
procedure isc_encode_date(tm_date : PCTimeStructure; ib_date : PISC_QUAD);
procedure isc_encode_sql_date(tm_date: PCTimeStructure; ib_date : PISC_DATE);
procedure isc_encode_sql_time(tm_date : PCTimeStructure; ib_time : PISC_TIME);
procedure isc_encode_timestamp(tm_date : PCTimeStructure; ib_timestamp : PISC_TIMESTAMP);
function isc_event_block(event_buffer : PPAnsiChar; result_buffer : PPAnsiChar;
id_count : UShort; event_list : array of PAnsiChar): ISC_LONG;
procedure isc_event_counts(status_vector : PISC_STATUS; buffer_length : Short;
event_buffer : PAnsiChar; result_buffer : PAnsiChar);
function isc_free(isc_arg1 : PAnsiChar): ISC_LONG;
function isc_get_segment(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
actual_seg_length : PUShort; seg_buffer_length : UShort;
seg_buffer : PAnsiChar): ISC_STATUS;
function isc_put_segment(status_vector : PISC_STATUS; blob_handle : PISC_BLOB_HANDLE;
seg_buffer_len : UShort; seg_buffer : PAnsiChar): ISC_STATUS;
function isc_interprete(buffer : PAnsiChar; status_vector : PPISC_STATUS): ISC_STATUS;
function fb_Interpret(buffer: PAnsiChar; BufLen: ULong;
status_vector : PPISC_STATUS): ISC_STATUS; //FB
function isc_open_blob2(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; blob_handle : PISC_BLOB_HANDLE;
blob_id : PISC_QUAD; bpb_length : Short; bpb_buffer : PAnsiChar): ISC_STATUS;
function isc_prepare_transaction2(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
msg_length : Short; msg : PAnsiChar): ISC_STATUS;
function isc_rollback_retaining(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_rollback_transaction(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function isc_start_multiple(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
db_handle_count : Short; teb_vector_address : PISC_TEB): ISC_STATUS;
function isc_sqlcode(status_vector : PISC_STATUS): ISC_LONG;
procedure isc_sql_interprete(sqlcode : Short; buffer : PAnsiChar;
buffer_length : Short);
function isc_vax_integer(buffer : PAnsiChar; length : Short): ISC_LONG;
function isc_add_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_delete_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_modify_user(status_vector : PISC_STATUS; user_sec_data : PUserSecData): ISC_STATUS;
function isc_prepare_transaction(status_vector : PISC_STATUS;
tran_handle : PISC_TR_HANDLE): ISC_STATUS;
function BLOB_put(isc_arg1 : Ansichar; isc_arg2 : PBSTREAM): Int;
function BLOB_get(isc_arg1 : PBSTREAM): Int;
// Service manager functions
function isc_service_attach (status_vector : PISC_STATUS;
isc_arg2 : UShort;
isc_arg3 : PAnsiChar;
service_handle : PISC_SVC_HANDLE;
isc_arg5 : UShort;
isc_arg6 : PAnsiChar): ISC_STATUS;
function isc_service_detach(status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE): ISC_STATUS;
function isc_service_query (status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE;
recv_handle : PISC_SVC_HANDLE;
isc_arg4 : UShort;
isc_arg5 : PAnsiChar;
isc_arg6 : UShort;
isc_arg7 : PAnsiChar;
isc_arg8 : UShort;
isc_arg9 : PAnsiChar): ISC_STATUS;
function isc_service_start (status_vector : PISC_STATUS;
service_handle : PISC_SVC_HANDLE;
recv_handle : PISC_SVC_HANDLE;
isc_arg4 : UShort;
isc_arg5 : PAnsiChar): ISC_STATUS;
// Client information functions
procedure isc_get_client_version(buffer : PAnsiChar);
function isc_get_client_major_version: Integer;
function isc_get_client_minor_version: Integer;
function isc_portable_integer(buffer: PAnsiChar;length: Short): ISC_INT64;
//IB2007
function isc_dsql_batch_execute_immed(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
tran_handle : PISC_TR_HANDLE; Dialect : UShort; no_of_sql : ulong;
statement : PPAnsiChar; rows_affected : PULong) : ISC_STATUS;
function isc_dsql_batch_execute(status_vector : PISC_STATUS; tran_handle : PISC_TR_HANDLE;
stmt_handle : PISC_STMT_HANDLE; Dialect : UShort;
insqlda : PXSQLDA; no_of_rows : UShort;
batch_vars : PPXSQLVAR; rows_affected : PULong) : ISC_STATUS;
//FB2.5
function fb_cancel_operation(status_vector : PISC_STATUS; db_handle : PISC_DB_HANDLE;
option : UShort
) : ISC_STATUS;
function fb_sqlstate(user_status: PISC_STATUS):FIBByteString;
public
constructor Create(const aLibName:string);
destructor Destroy;override;
procedure LoadIBLibrary;
procedure FreeIBLibrary;
function LibraryLoaded:boolean;
function LibraryFilePath:string;
end;
{ Library Initialization }
procedure LoadIBInstallLibrary;
procedure FreeIBInstallLibrary;
procedure CheckIBInstallLoaded;
function GetClientLibrary(const aLibName:string):IIbClientLibrary;
const
IBDateDelta = 15018;
{$IFDEF MACOS}
HINSTANCE_ERROR=0;
{$ENDIF}
const
describe_bind_info:array[0..11] of Ansichar =(
AnsiChar(isc_info_sql_bind),
AnsiChar(isc_info_sql_describe_vars),
AnsiChar(isc_info_sql_sqlda_seq),
AnsiChar(isc_info_sql_type),
AnsiChar(isc_info_sql_sub_type),
AnsiChar(isc_info_sql_scale),
AnsiChar(isc_info_sql_length),
AnsiChar(isc_info_sql_field),
AnsiChar(isc_info_sql_relation),
AnsiChar(isc_info_sql_owner),
AnsiChar(isc_info_sql_alias),
AnsiChar(isc_info_sql_describe_end)
);
describe_select_info:array[0..12] of AnsiChar =(
AnsiChar(isc_info_sql_select),
AnsiChar(isc_info_sql_describe_vars),
AnsiChar(isc_info_sql_sqlda_seq),
AnsiChar(isc_info_sql_type),
AnsiChar(isc_info_sql_sub_type),
AnsiChar(isc_info_sql_scale),
AnsiChar(isc_info_sql_length),
AnsiChar(isc_info_sql_field),
AnsiChar(isc_info_sql_relation),
AnsiChar(isc_info_sql_owner),
AnsiChar(isc_info_sql_alias),
AnsiChar(frb_info_sql_relation_alias),
AnsiChar(isc_info_sql_describe_end)
);
var
isc_install_clear_options: Tisc_install_clear_options;
isc_install_execute: Tisc_install_execute;
isc_install_get_info: Tisc_install_get_info;
isc_install_get_message: Tisc_install_get_message;
isc_install_load_external_text: Tisc_install_load_external_text;
isc_install_precheck: Tisc_install_precheck;
isc_install_set_option: Tisc_install_set_option;
isc_uninstall_execute: Tisc_uninstall_execute;
isc_uninstall_precheck: Tisc_uninstall_precheck;
isc_install_unset_option: Tisc_install_unset_option;
implementation
uses FIBConsts;
{$IFDEF LINUX}
const
HINSTANCE_ERROR=$20;
{$ENDIF}
var
{$IFDEF WINDOWS}
IBInstallLibrary: THandle;
{$ENDIF}
{$IFDEF MACOS}
IBInstallLibrary: THandle;
{$ENDIF}
{$IFDEF LINUX}
IBInstallLibrary : Pointer;
{$ENDIF}
vClientLibs:TInterfaceList;
var
vLibAccess: TCriticalSection;
function GetClientLibrary(const aLibName:string):IIbClientLibrary;
var
I: Integer;
begin
vLibAccess.Acquire;
try
for I := 0 to vClientLibs.Count - 1 do
if IIbClientLibrary(vClientLibs[i]).LibraryName=aLibName then
begin
Result:=IIbClientLibrary(vClientLibs[i]) ;
if not Result.LibraryLoaded then
Result.LoadIBLibrary;
Exit;
end;
Result:=TIBClientLibrary.Create(aLibName);
vClientLibs.Add(Result)
finally
vLibAccess.Release
end;
end;
{$IFDEF WINDOWS}
{$IFNDEF D_XE2}
procedure InitFPU;
var
Default8087CW: Word;
begin
asm
FSTCW Default8087CW
OR Default8087CW, 0300h
FLDCW Default8087CW
end;
end;
{$ELSE}
procedure InitFPU;
var
Default8087CW: Word;
asm
FSTCW Default8087CW
OR Default8087CW, 0300h
FLDCW Default8087CW
end;
{$ENDIF}
{$ENDIF}
{$DEFINE FP_STDCALL}
function isc_install_clear_options_stub(hOption: POPTIONS_HANDLE):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_clear_options',IB_INSTALL_DLL]));
end;
function isc_install_execute_stub(hOption: OPTIONS_HANDLE;
src_dir: TEXT;
dest_dir: TEXT;
status_func: FP_STATUS;
status_data: pointer;
error_func: FP_ERROR;
error_data: pointer;
uninstal_file_name: TEXT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_execute_stub',IB_INSTALL_DLL]));
end;
function isc_install_get_info_stub(info_type :integer;
option :OPT;
info_buffer : Pointer;
buf_len : Cardinal): MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_get',IB_INSTALL_DLL]));
end;
function isc_install_get_message_stub(hOption: OPTIONS_HANDLE;
message_no: MSG_NO;
message_txt: Pointer;
message_len: Cardinal):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_get_message',IB_INSTALL_DLL]));
end;
function isc_install_load_external_text_stub(msg_file_name: TEXT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_load_external_text',IB_INSTALL_DLL]));
end;
function isc_install_precheck_stub(hOption: OPTIONS_HANDLE;
src_dir: TEXT;
dest_dir: TEXT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_precheck',IB_INSTALL_DLL]));
end;
function isc_install_set_option_stub(hOption: POPTIONS_HANDLE;
option: OPT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_set_option',IB_INSTALL_DLL]));
end;
function isc_uninstall_execute_stub(uninstall_file_name: TEXT;
status_func: FP_STATUS;
status_data: pointer;
error_func: FP_ERROR;
error_data: pointer):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_uninstall_execute',IB_INSTALL_DLL]));
end;
function isc_uninstall_precheck_stub(uninstall_file_name: TEXT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_uninstall_precheck',IB_INSTALL_DLL]));
end;
function isc_install_unset_option_stub(hOption: POPTIONS_HANDLE;
option: OPT):MSG_NO;
{$I pFIBMacroComp.inc}
begin
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_install_unset_option',IB_INSTALL_DLL]));
end;
{$UNDEF FP_STDCALL}
procedure LoadIBInstallLibrary;
{$IFDEF WINDOWS}
function GetProcAddr(ProcName: PAnsiChar): Pointer;
begin
Result := GetProcAddress(IBInstallLibrary, ProcName);
if not Assigned(Result) then
{$IFNDEF D6+}
RaiseLastWin32Error;
{$ELSE}
RaiseLastOSError
{$ENDIF}
end;
{$ENDIF}
{$IFDEF LINUX}
function GetProcAddr(ProcName : PAnsiChar) : Pointer;
begin
Result := dlsym(IBInstallLibrary, ProcName);
end;
{$ENDIF}
{$IFDEF MACOS}
function GetProcAddr(ProcName: PWideChar): Pointer;
begin
Result := GetProcAddress(IBInstallLibrary, ProcName);
if not Assigned(Result) then
{$IFNDEF D6+}
RaiseLastWin32Error;
{$ELSE}
RaiseLastOSError
{$ENDIF}
end;
{$ENDIF}
begin
{$IFDEF WINDOWS}
IBInstallLibrary := LoadLibrary(PChar(IB_INSTALL_DLL));
if (IBInstallLibrary > HINSTANCE_ERROR) then
{$ENDIF}
{$IFDEF MACOS}
IBInstallLibrary := LoadLibrary(PChar(IB_INSTALL_DLL));
if (IBInstallLibrary <> 0) then
{$ENDIF}
{$IFDEF LINUX}
IBInstallLibrary := dlopen(PAnsiChar(IB_INSTALL_DLL), 0);
if (IBInstallLibrary <> nil) then
{$ENDIF}
begin
isc_install_clear_options := GetProcAddr('isc_install_clear_options');
isc_install_execute := GetProcAddr('isc_install_execute');
isc_install_get_info := GetProcAddr('isc_install_get_info');
isc_install_get_message := GetProcAddr('isc_install_get_message');
isc_install_load_external_text := GetProcAddr('isc_install_load_external_text');
isc_install_precheck := GetProcAddr('isc_install_precheck');
isc_install_set_option := GetProcAddr('isc_install_set_option');
isc_uninstall_execute := GetProcAddr('isc_uninstall_execute');
isc_uninstall_precheck := GetProcAddr('isc_uninstall_precheck');
isc_install_unset_option := GetProcAddr('isc_install_unset_option');
end
else
begin
isc_install_clear_options := isc_install_clear_options_stub;
isc_install_execute := isc_install_execute_stub;
isc_install_get_info := isc_install_get_info_stub;
isc_install_get_message := isc_install_get_message_stub;
isc_install_load_external_text := isc_install_load_external_text_stub;
isc_install_precheck := isc_install_precheck_stub;
isc_install_set_option := isc_install_set_option_stub;
isc_uninstall_execute := isc_uninstall_execute_stub;
isc_uninstall_precheck := isc_uninstall_precheck_stub;
isc_install_unset_option := isc_install_unset_option_stub;
end;
{$IFDEF WINDOWS}
InitFPU
{$ENDIF}
end;
procedure FreeIBInstallLibrary;
begin
{$IFDEF WINDOWS}
if IBInstallLibrary > HINSTANCE_ERROR then
begin
FreeLibrary(IBInstallLibrary);
IBInstallLibrary := 0;
end;
{$ENDIF}
{$IFDEF LINUX}
if IBInstallLibrary <> nil then
begin
dlclose(IBInstallLibrary);
IBInstallLibrary := nil;
end;
{$ENDIF}
end;
procedure CheckIBInstallLoaded;
begin
{$IFDEF WINDOWS}
if (IBInstallLibrary <= HINSTANCE_ERROR) then
LoadIBInstallLibrary;
if (IBInstallLibrary <= HINSTANCE_ERROR) then
{$ENDIF}
{$IFDEF LINUX}
if (IBInstallLibrary = nil) then
LoadIBInstallLibrary;
if (IBInstallLibrary = nil) then
{$ENDIF}
raise
EAPICallException.Create(Format(SCantLoadLibrary,[IB_INSTALL_DLL]));
end;
{ TIBClientLibrary }
function TIBClientLibrary.BLOB_get(isc_arg1: PBSTREAM): Int;
begin
if Assigned(FBLOB_get) then
Result:= FBLOB_get(isc_arg1)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['BLOB_get',FLibraryName]));
end;
function TIBClientLibrary.BLOB_put(isc_arg1: AnsiChar;
isc_arg2: PBSTREAM): Int;
begin
if Assigned(FBLOB_put) then
Result:= FBLOB_put(isc_arg1,isc_arg2)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['BLOB_put',FLibraryName]));
end;
function TIBClientLibrary.GetIBClientVersion: Integer;
begin
Result := FIBClientVersion
end;
function TIBClientLibrary.GetIBClientMinorVersion: Integer;
begin
Result := FIBClientMinorVersion
end;
function TIBClientLibrary.GetLibName: string;
begin
Result:=FLibraryName
end;
function TIBClientLibrary.isc_array_get_slice(status_vector: PISC_STATUS;
db_handle: PISC_DB_HANDLE; trans_handle: PISC_TR_HANDLE;
array_id: PISC_QUAD; descriptor: PISC_ARRAY_DESC; dest_array: PVoid;
slice_length: ISC_LONG): ISC_STATUS;
begin
if Assigned(Fisc_array_get_slice) then
Result:=
Fisc_array_get_slice(
status_vector, db_handle,trans_handle,array_id,descriptor,dest_array,slice_length
)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_array_get_slice',FLibraryName]));
end;
function TIBClientLibrary.isc_array_lookup_bounds(
status_vector: PISC_STATUS; db_handle: PISC_DB_HANDLE;
trans_handle: PISC_TR_HANDLE; table_name, column_name: PAnsiChar;
descriptor: PISC_ARRAY_DESC): ISC_STATUS;
begin
if Assigned(Fisc_array_lookup_bounds) then
Result:=
Fisc_array_lookup_bounds(
status_vector, db_handle,trans_handle, table_name, column_name,descriptor
)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_array_lookup_bounds',FLibraryName]));
end;
function TIBClientLibrary.isc_array_lookup_desc(status_vector: PISC_STATUS;
db_handle: PISC_DB_HANDLE; trans_handle: PISC_TR_HANDLE; table_name,
column_name: PAnsiChar; descriptor: PISC_ARRAY_DESC): ISC_STATUS;
begin
if Assigned(Fisc_array_lookup_desc) then
Result:=
Fisc_array_lookup_desc(
status_vector, db_handle,trans_handle, table_name, column_name,descriptor
)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_array_lookup_desc',FLibraryName]));
end;
function TIBClientLibrary.isc_array_put_slice(status_vector: PISC_STATUS;
db_handle: PISC_DB_HANDLE; trans_handle: PISC_TR_HANDLE;
array_id: PISC_QUAD; descriptor: PISC_ARRAY_DESC; source_array: PVoid;
slice_length: PISC_LONG): ISC_STATUS;
begin
if Assigned(Fisc_array_put_slice) then
Result:=
Fisc_array_put_slice(
status_vector, db_handle,trans_handle, array_id,descriptor,source_array, slice_length
)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_array_put_slice',FLibraryName]));
end;
function TIBClientLibrary.isc_array_set_desc(status_vector: PISC_STATUS;
table_name, column_name: PAnsiChar; sql_dtype, sql_length,
sql_dimensions: PShort; descriptor: PISC_ARRAY_DESC): ISC_STATUS;
begin
if Assigned(Fisc_array_set_desc) then
Result:=
Fisc_array_set_desc(
status_vector, table_name, column_name,sql_dtype, sql_length, sql_dimensions,descriptor
)
else
raise
EAPICallException.Create(Format(SCantFindApiProc,['isc_array_set_desc',FLibraryName]));
end;
function TIBClientLibrary.isc_attach_database(status_vector: PISC_STATUS;
db_name_length: Short; db_name: PAnsiChar; db_handle: PISC_DB_HANDLE;
parm_buffer_length: Short; parm_buffer: PAnsiChar): ISC_STATUS;
begin
FBusy:=True;